Electromagnetic Fields: Fields representing the joint interplay of electric and magnetic forces.Electromagnetic Phenomena: Characteristics of ELECTRICITY and magnetism such as charged particles and the properties and behavior of charged particles, and other phenomena related to or associated with electromagnetism.Magnetic Field Therapy: The magnetic stimulation of specific target tissues or areas of the body for therapeutic purposes via the application of magnetic fields generated by MAGNETS or ELECTROMAGNETS.Magnetic Fields: Areas of attractive or repulsive force surrounding MAGNETS.Radiation, Nonionizing: ELECTROMAGNETIC RADIATION or sonic radiation (SOUND WAVES) which does not produce IONS in matter through which it passes. The wavelengths of non-ionizing electromagentic radiation are generally longer than those of far ultraviolet radiation and range through the longest RADIO WAVES.Electromagnetic Radiation: Waves of oscillating electric and MAGNETIC FIELDS which move at right angles to each other and outward from the source.Radio Waves: Electromagnetic waves with frequencies between about 3 kilohertz (very low frequency - VLF) and 300,000 megahertz (extremely high frequency - EHF). They are used in television and radio broadcasting, land and satellite communications systems, radionavigation, radiolocation, and DIATHERMY. The highest frequency radio waves are MICROWAVES.Magnetics: The study of MAGNETIC PHENOMENA.Microwaves: That portion of the electromagnetic spectrum from the UHF (ultrahigh frequency) radio waves and extending into the INFRARED RAYS frequencies.Cellular Phone: Analog or digital communications device in which the user has a wireless connection from a telephone to a nearby transmitter. It is termed cellular because the service area is divided into multiple "cells." As the user moves from one cell area to another, the call is transferred to the local transmitter.Electric Wiring: An arrangement of wires distributing electricity.Electricity: The physical effects involving the presence of electric charges at rest and in motion.Occupational Exposure: The exposure to potentially harmful chemical, physical, or biological agents that occurs as a result of one's occupation.Electric Organ: In about 250 species of electric fishes, modified muscle fibers forming disklike multinucleate plates arranged in stacks like batteries in series and embedded in a gelatinous matrix. A large torpedo ray may have half a million plates. Muscles in different parts of the body may be modified, i.e., the trunk and tail in the electric eel, the hyobranchial apparatus in the electric ray, and extrinsic eye muscles in the stargazers. Powerful electric organs emit pulses in brief bursts several times a second. They serve to stun prey and ward off predators. A large torpedo ray can produce of shock of more than 200 volts, capable of stunning a human. (Storer et al., General Zoology, 6th ed, p672)Electric Power Supplies: Devices that control the supply of electric current for running electrical equipment.Terahertz Radiation: Non-ionizing electromagnetic energy in the frequency range of 100 gigahertz to 10 terahertz which spans from the mid-INFRARED RAYS frequency to the high-frequency edge of the MICROWAVES band.Environmental Exposure: The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals.Equipment Design: Methods of creating machines and devices.Leukemia, Radiation-Induced: Leukemia produced by exposure to IONIZING RADIATION or NON-IONIZING RADIATION.Radiation Monitoring: The observation, either continuously or at intervals, of the levels of radiation in a given area, generally for the purpose of assuring that they have not exceeded prescribed amounts or, in case of radiation already present in the area, assuring that the levels have returned to those meeting acceptable safety standards.Dose-Response Relationship, Radiation: The relationship between the dose of administered radiation and the response of the organism or tissue to the radiation.Power Plants: Units that convert some other form of energy into electrical energy.Neoplasms, Radiation-Induced: Tumors, cancer or other neoplasms produced by exposure to ionizing or non-ionizing radiation.Environmental Illness: A polysymptomatic condition believed by clinical ecologists to result from immune dysregulation induced by common foods, allergens, and chemicals, resulting in various physical and mental disorders. The medical community has remained largely skeptical of the existence of this "disease", given the plethora of symptoms attributed to environmental illness, the lack of reproducible laboratory abnormalities, and the use of unproven therapies to treat the condition. (From Segen, Dictionary of Modern Medicine, 1992)Multiple Chemical Sensitivity: An acquired disorder characterized by recurrent symptoms, referable to multiple organ systems, occurring in response to demonstrable exposure to many chemically unrelated compounds at doses below those established in the general population to cause harmful effects. (Cullen MR. The worker with multiple chemical sensitivities: an overview. Occup Med 1987;2(4):655-61)Radiation Dosage: The amount of radiation energy that is deposited in a unit mass of material, such as tissues of plants or animal. In RADIOTHERAPY, radiation dosage is expressed in gray units (Gy). In RADIOLOGIC HEALTH, the dosage is expressed by the product of absorbed dose (Gy) and quality factor (a function of linear energy transfer), and is called radiation dose equivalent in sievert units (Sv).Radio: The transmission and reception of electric impulses or signals by means of electric waves without a connecting wire, or the use of these waves for the wireless transmission of electric impulses into which sound is converted. (From Webster's 3d)Pulsed Radiofrequency Treatment: The application, via IMPLANTED ELECTRODES, of short bursts of electrical energy in the radiofrequency range, interspersed with pauses in delivery of the current long enough to dissipate the generated heat and avoid heat-induced tissue necrosis.Equipment Failure Analysis: The evaluation of incidents involving the loss of function of a device. These evaluations are used for a variety of purposes such as to determine the failure rates, the causes of failures, costs of failures, and the reliability and maintainability of devices.Fractures, Ununited: A fracture in which union fails to occur, the ends of the bone becoming rounded and eburnated, and a false joint occurs. (Stedman, 25th ed)Equipment Failure: Failure of equipment to perform to standard. The failure may be due to defects or improper use.Visual Fields: The total area or space visible in a person's peripheral vision with the eye looking straightforward.Pseudarthrosis: A pathologic entity characterized by deossification of a weight-bearing long bone, followed by bending and pathologic fracture, with inability to form normal BONY CALLUS leading to existence of the "false joint" that gives the condition its name. (Dorland, 27th ed)Equipment Safety: Freedom of equipment from actual or potential hazards.Magnets: Objects that produce a magnetic field.Tibial FracturesMelatonin: A biogenic amine that is found in animals and plants. In mammals, melatonin is produced by the PINEAL GLAND. Its secretion increases in darkness and decreases during exposure to light. Melatonin is implicated in the regulation of SLEEP, mood, and REPRODUCTION. Melatonin is also an effective antioxidant.Electric Stimulation Therapy: Application of electric current in treatment without the generation of perceptible heat. It includes electric stimulation of nerves or muscles, passage of current into the body, or use of interrupted current of low intensity to raise the threshold of the skin to pain.DNA Breaks: Interruptions in the sugar-phosphate backbone of DNA.Radiation: Emission or propagation of acoustic waves (SOUND), ELECTROMAGNETIC ENERGY waves (such as LIGHT; RADIO WAVES; GAMMA RAYS; or X-RAYS), or a stream of subatomic particles (such as ELECTRONS; NEUTRONS; PROTONS; or ALPHA PARTICLES).Time Factors: Elements of limited time intervals, contributing to particular results or situations.Magnetic Resonance Imaging: Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques.Electric Stimulation: Use of electric potential or currents to elicit biological responses.Fracture Healing: The physiological restoration of bone tissue and function after a fracture. It includes BONY CALLUS formation and normal replacement of bone tissue.Guidelines as Topic: A systematic statement of policy rules or principles. Guidelines may be developed by government agencies at any level, institutions, professional societies, governing boards, or by convening expert panels. The text may be cursive or in outline form but is generally a comprehensive guide to problems and approaches in any field of activity. For guidelines in the field of health care and clinical medicine, PRACTICE GUIDELINES AS TOPIC is available.Occupational Diseases: Diseases caused by factors involved in one's employment.Prostheses and Implants: Artificial substitutes for body parts, and materials inserted into tissue for functional, cosmetic, or therapeutic purposes. Prostheses can be functional, as in the case of artificial arms and legs, or cosmetic, as in the case of an artificial eye. Implants, all surgically inserted or grafted into the body, tend to be used therapeutically. IMPLANTS, EXPERIMENTAL is available for those used experimentally.Occupations: Crafts, trades, professions, or other means of earning a living.Gymnotiformes: An order of neotropical electric fish found chiefly in the waters of South America. They continually emit weak electric discharges, which they use in object location and communication. A most popular species of research interest is the electric eel, ELECTROPHORUS electricus.Natural Science Disciplines: The sciences dealing with processes observable in nature.Photons: Discrete concentrations of energy, apparently massless elementary particles, that move at the speed of light. They are the unit or quantum of electromagnetic radiation. Photons are emitted when electrons move from one energy state to another. (From Hawley's Condensed Chemical Dictionary, 11th ed)Physics: The study of those aspects of energy and matter in terms of elementary principles and laws. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Informatics: The field of information science concerned with the analysis and dissemination of data through the application of computers.Spectroscopy, Electron Energy-Loss: A technique for analysis of the chemical composition of molecules. A substance is bombarded with monochromatic ELECTRONS. Some of the electrons passing through the specimen will lose energy when they ionize inner shell electrons of the atoms in the specimen. The energy loss is element dependent. Analysis of the energy loss spectrum reveals the elemental composition of a specimen. ENERGY-FILTERED TRANSMISSION ELECTRON MICROSCOPY is a type of electron energy loss spectroscopy carried out in electron microscopes specially outfitted to analyze the spectrum of electron energy loss.Electrons: Stable elementary particles having the smallest known negative charge, present in all elements; also called negatrons. Positively charged electrons are called positrons. The numbers, energies and arrangement of electrons around atomic nuclei determine the chemical identities of elements. Beams of electrons are called CATHODE RAYS.Neon: Neon. A noble gas with the atomic symbol Ne, atomic number 10, and atomic weight 20.18. It is found in the earth's crust and atmosphere as an inert, odorless gas and is used in vacuum tubes and incandescent lamps.

*Peter Lawrenson

Lawrenson was co-author of "The Analytical and Numerical Solution of Electric and Magnetic Fields," about electromagnetic field ... Lawrenson won the IEEE Edison Medal in 2005 For outstanding contributions to the field of electrical machines, most notably the ... Initially based in Leeds, UK, the company was sold to Emerson Electric in 1994, and although still based in the UK at Harrogate ... Lawrenson is the recipient of the Faraday Medal of the Institution of Electrical Engineers, the ESSO Energy Gold Medal of The ...

*Tensor field

In electromagnetism, the electric and magnetic fields are combined into an electromagnetic tensor field. It is worth noting ... taking a pair of vector fields to a vector field, does not define a tensor field on M. This is because it is only R-linear in Y ... a tensor field is a generalization of a scalar field or vector field that assigns, respectively, a scalar or vector to each ... A tensor field is an element of this set. There is another more abstract (but often useful) way of characterizing tensor fields ...

*Cosmology Large Angular Scale Surveyor

As an electromagnetic wave, light consists of oscillating electric and magnetic fields. These fields can have both an amplitude ... "Astronomy, Technology, Industry: Roadmap for the Fostering of Technology Development and Innovation in the Field of Astronomy ... of the sky at multiple frequencies in the microwave region of the electromagnetic spectrum. A primary science goal of CLASS is ... in the microwave portion of the electromagnetic spectrum, from a ground-based observatory with a resolution of about 1° - ...

*Dual superconductor model

In an electromagnetic dual theory the roles of electric and magnetic fields are interchanged. The BCS theory of ... the field lines are compressed in magnetic flux tubes. In a dual superconductor the roles of magnetic and electric fields are ... The Meissner effect says that a superconducting metal will try to expel magnetic field lines from its interior. If a magnetic ... If the quark-antiquark pair are immersed in a dual superconductor, then the electric field lines get compressed to a flux tube ...

*Vacuum permittivity

Likewise, ε0 appears in Maxwell's equations, which describe the properties of electric and magnetic fields and electromagnetic ... electric constant ε0 appears in the relationship that defines the electric displacement field D in terms of the electric field ... It is the capability of the vacuum to permit electric field lines. This constant relates the units for electric charge to ... "Gaussian electric charge" is not the same mathematical quantity as modern (MKS and subsequently the SI) electric charge and is ...

*Frequency

Visible light is an electromagnetic wave, consisting of oscillating electric and magnetic fields traveling through space. The ... An electromagnetic wave can have a frequency less than 7014400000000000000♠4×1014 Hz, but it will be invisible to the human eye ... Likewise, an electromagnetic wave can have a frequency higher than 7014800000000000000♠8×1014 Hz, but it will be invisible to ... Cyclic processes that are not electrical in nature, such as the rotation rate of a shaft, mechanical vibrations, or sound waves ...

*Mechanical energy

Electromagnetic energy is in the form of electric charges, magnetic fields, and photons. It is studied in electromagnetism. ... an electric motor converts electrical energy to mechanical energy, an electric generator converts mechanical energy into ... An electric motor converts electrical energy into mechanical energy. A generator converts mechanical energy into electrical ... "Electric motor". U*X*L Encyclopedia of Science. U*X*L. 2007. ,access-date= requires ,url= (help) as cited on "Student Resources ...

*Impedance of free space

... is a physical constant relating the magnitudes of the electric and magnetic fields of electromagnetic radiation travelling ... That is, Z0 = ,E, / ,H,, where ,E, is the electric field strength and ,H, is the magnetic field strength. It has an exactly ... Electromagnetic wave equation Mathematical descriptions of the electromagnetic field Near and far field Planck impedance ... is the magnetic constant, ε 0 = {\displaystyle \varepsilon _{0}=} is the electric constant, c 0 = {\displaystyle c_{0}=} is the ...

*Multipolarity of gamma radiation

Each of these, being electromagnetic radiation, consists of an electric and a magnetic field, of course). Electric dipole, ... In electric multipole radiation, the electric field has a radial component; in magnetic multipole radiation, the magnetic field ... the electric field has parity -(-1) l {\displaystyle l} , and the magnetic field (-1) l {\displaystyle l} Magnetic multipole ... It produces electric field lines travelling outwards, intertwined with magnetic field lines, according to Maxwell's equation. ...

*Electromagnetic tensor

... when the electric or magnetic fields are mentioned, a Cartesian coordinate system is assumed, and the electric and magnetic ... The electric and magnetic fields can be obtained from the components of the electromagnetic tensor. The relationship is ... In electromagnetism, the electromagnetic tensor or electromagnetic field tensor (sometimes called the field strength tensor, ... these are simply the three spatial components of the electric field (Ex, Ey, Ez) and magnetic field (Bx, By, Bz). Inner product ...

*Maxwell stress tensor

Ricci calculus Energy density of electric and magnetic fields Poynting vector Electromagnetic stress-energy tensor Magnetic ... where ε0 is the electric constant and μ0 is the magnetic constant, E is the electric field, B is the magnetic field and δij is ... If the field is only magnetic (which is largely true in motors, for instance), some of the terms drop out, and the equation in ... Unlike forces due to the pressure of an ideal gas, an area element in the electromagnetic field also feels a force in a ...

*Penetration depth

... the electric and magnetic fields in the case of electromagnetic waves. Since the power of a wave in a particular medium is ... however the electric and magnetic fields extend well into the substance. In either case the penetration depth is found directly ... one may speak of a penetration depth at which the magnitude of the electric (or magnetic) field has decayed to 1/e of its ... which follow the decay in the electric or magnetic field due to a plane wave incident on a bulk conductor). The attenuation ...

*Circular polarization

Since this is an electromagnetic wave each electric field vector has a corresponding, but not illustrated, magnetic field ... The classical sinusoidal plane wave solution of the electromagnetic wave equation for the electric and magnetic fields is E ( r ... On the right is an illustration of the electric field vectors of a circularly polarized electromagnetic wave. The electric ... In electrodynamics the strength and direction of an electric field is defined by its electric field vector. In the case of a ...

*Electromagnetic radiation

... the electric field strength E equals "c" times the magnetic field strength B; 3) The electric field and the magnetic field are ... electric and magnetic EMR fields have a different dependence on distance than do near-field dipole electric and magnetic fields ... the magnetic field in EMR is due only to the local change in the electric field. In a similar way, while the electric field in ... In an electromagnetic wave, the changes in the electric field are always accompanied by a wave in the magnetic field in one ...

*State of matter

... produce magnetic fields and electric currents, and respond strongly to electromagnetic forces. Positively charged nuclei swim ... which is magnetic even in the absence of an external magnetic field. The magnetization disappears when the magnet is heated to ... In a ferromagnet-for instance, solid iron-the magnetic moment on each atom is aligned in the same direction (within a magnetic ... A QSL is neither a ferromagnet, where magnetic domains are parallel, nor an antiferromagnet, where the magnetic domains are ...

*Electron paramagnetic resonance

Electromagnetic standing waves have their electric and magnetic field components exactly out of phase. This provides an ... A small additional oscillating magnetic field is applied to the external magnetic field at a typical frequency of 100 kHz. By ... The magnetic field is homogeneous across the sample volume and has a high stability at static field. The microwave resonator is ... and hence sensitivity the sample is positioned such that it lies within the magnetic field maximum and the electric field ...

*Induction furnace

The magnetic field induces eddy currents, circular electric currents, inside the metal, by electromagnetic induction. The eddy ... The coil creates a rapidly reversing magnetic field that penetrates the metal. ... Engineering portal Electric arc furnace-for another type of electric furnace, used in larger foundries and mini-mill ... An Induction Furnace is an electrical furnace in which the heat is applied by induction heating of metal. Induction furnace ...

*Vacuum permeability

... which describe the properties of electric and magnetic fields and electromagnetic radiation, and relate them to their sources. ... of a magnetic field by an electric current or by a moving electric charge and in all other formulas for magnetic-field ... such as the relationship that defines the magnetic H-field in terms of the magnetic B-field. In real media, this relationship ... In vacuum, M = 0. In SI units, the speed of light in vacuum, c, is related to the magnetic constant and the electric constant ( ...

*Electromagnetic pulse

Electric field Magnetic field Electromagnetic radiation Electrical conduction A pulse of any one form of electromagnetic energy ... The resulting rapidly changing electric fields and magnetic fields may couple with electrical/electronic systems to produce ... Such a pulse's origination may be a natural occurrence or man-made and can occur as a radiated, electric, or magnetic field or ... This can in turn cause a large pulse in the electric field across the open contacts, causing arcing and damage. It is often ...

*Bi-isotropic material

... in which the electric and magnetic field of an electromagnetic wave (or simply, light) interact in an unusual way. For most ... the electric field E and electric displacement field D (as well as the magnetic field B and inductive magnetic field H) are ... Materials where either pair of fields is not parallel are called anisotropic. In bi-isotropic media, the electric and magnetic ... Crystals typically have D fields which are not aligned with the E fields, while the B and H fields remain related by a constant ...

*Electromagnetic hypersensitivity

... with electromagnetic hypersensitivity being defined as "hypersensitivity or allergy to electric or magnetic fields" (response ... 1-77 Michaelson, Sol M. (1975). "Radio-Frequency and Microwave Energies, Magnetic and Electric Fields". In Calvin, Melvin; ... Electromagnetic hypersensitivity (EHS) is a claimed sensitivity to electromagnetic fields, to which negative symptoms are ... magnetic fields, and various frequencies of electromagnetic waves. Devices implicated include fluorescent and low-energy lights ...

*Electromagnetic shielding

Electromagnetic radiation consists of coupled electric and magnetic fields. The electric field produces forces on the charge ... These materials don't block the magnetic field, as with electric shielding, but rather draw the field into themselves, ... Electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers ... Similarly, varying magnetic fields generate eddy currents that act to cancel the applied magnetic field. (The conductor does ...

*Geophysics

... electric currents in the highly conductive liquid iron create magnetic fields by electromagnetic induction (see geodynamo). ... The planets can be characterized by their force fields: gravity and their magnetic fields, which are studied through geophysics ... The magnetic field in the upper atmosphere gives rise to the auroras. The Earth's field is roughly like a tilted dipole, but it ... such as the Earth's magnetic field and earthquakes - have been investigated since the ancient era. The magnetic compass existed ...

*List of states of matter

... plasmas may self-generate magnetic fields and electric currents, and respond strongly and collectively to electromagnetic ... Superconductivity: is a phenomenon of exactly zero electrical resistance and expulsion of magnetic fields occurring in certain ... Weakly symmetric matter: for up to 10−12 seconds after the Big Bang the strong, weak and electromagnetic forces were unified. ... electromagnetic, and gravitational - are thought to have been unified into one single force. As the universe expanded, the ...

*Standard Model (mathematical formulation)

... which corresponds classically to the well-known electromagnetic four-potential - i.e. the electric and magnetic fields. The Z ... These fields are the fermion fields, ψ, which account for "matter particles"; the electroweak boson fields W 1 , W 2 , W 3 {\ ... with an electromagnetic field), and will in doing so add a term to the free field Lagrangian which must be cancelled by a ... In classical field theory, the field is part of the state of the system, so in order to describe it completely one effectively ...
Electricity substations take electricity from power lines and transformer lines to transform it from high to low voltage and distribute to the consumers. These substations generate low frequency electromagnetic fields similar to those emitted from over head power lines and electrical appliances at home. The present study is focused on assessing the potential bioeffects of Extremely Low Frequency Electromagnetic Fields (ELF-EMFs) on melatonin level and oxidative stress biomarkers, in subjects occupationally exposed to 132 kV high voltage substation in Hyderabad, India. These subjects are involved in maintenance and installation of power line distribution at electricity transmission network. The ELFEMFs exposed subjects (n = 142) included the electric utility workers, who were compared with age, and socioeconomic ...
Workplace exposure to very low frequency electromagnetic fields may be linked to a doubling in risk of developing the most common form of motor neurone disease -- amyotrophic lateral sclerosis, or ALS for short -- suggests research published online in Occupational & Environmental Medicine.
No influence of magnetic field-exposure on the cell morphology and on the cell phenotype were detected in any of the groups. In all exposed cell cultures, the cell proliferation was significantly increased compared to the sham exposed cultures, in a frequency dependent manner, with the highest rate in the 50 Hz-group. Magnetic field-exposure led to a significant increase of cells in the S phase and to a significant decrease of cells in the G1 phase. The changes in the cell cycle distibution were not dependent on the frequency ...
Sigma-Aldrich offers abstracts and full-text articles by [Marcella Reale, Mohammad A Kamal, Antonia Patruno, Erica Costantini, Chiara DAngelo, Miko Pesce, Nigel H Greig].
Die Ergebnisse bestätigten, dass eine intermittierende Exposition (aber nicht eine kontinuierliche) von menschlichen primären Fibroblasten bei einem elektromagnetischem 50 Hz-Feld (bei einer magnetischen Flussdichte von 1 mT) einen leichten, aber signifikanten Anstieg der DNA-Fragmentierung im Komet-Assay induziert. Die Autoren liefern zum ersten Mal die Evidenz dafür, dass dies eher durch das Magnetfeld als durch das elektrische Feld verursacht wird (für diesen Zweck wurden die Zellen aus den zentralen und peripheren Bereichen der Petrischalen miteinander verglichen). Darüber hinaus zeigten die Autoren, dass die elektromagnetischen Feld-induzierten Reaktionen im Komet-Assay abhängig von der Zellproliferation waren, was darauf hindeutet, dass eher die Prozesse der DNA-Replikation beeinflusst worden sein könnten und nicht die DNA selbst. Übereinstimmend korrelierten die Wirkungen im Komet-Assay mit einer Verminderung der sich aktiv replizierenden Zellen und einer gleichzeitigen Erhöhung ...
All organisms are probably exposed to different types of electromagnetic fields (EMFs). This study is an attempt to evaluate the effect of extremely low-frequency EMFs (50 Hz) on some growth parameters and survival rate of common carp fingerling. The fry (n = 120, averaged 16.76 ± 0.88 g in initial weight) was exposed to ELF-EMF at four intensities of 0.1, 0.5, 1 and 2 mT only once for 2 h and then reared for 60 days. The obtained results revealed that all growth indices were significantly (p | 0.05) improved by increasing in the EMFs intensity. 2 mT treatment indicated the highest final weight (43.95 ± 0.27 g), weight gain (6.83 ± 0.10 g), weight gain rate (20.94 ± 0.13 %), daily growth rate (0.38 ± 0.00 g day-1), specific growth rate (1.26 ± 0.01 % day-1) and the lowest food conversion ratio (p | 0.05). Survival rate had significantly (p | 0.05) increased in all exposed treatments compared to the control group. In conclusion, ELF-EMF can enhance the growth ...
All organisms are probably exposed to different types of electromagnetic fields (EMFs). This study is an attempt to evaluate the effect of extremely low-frequency EMFs (50 Hz) on some growth parameters and survival rate of common carp fingerling. The fry (n = 120, averaged 16.76 ± 0.88 g in initial weight) was exposed to ELF-EMF at four intensities of 0.1, 0.5, 1 and 2 mT only once for 2 h and then reared for 60 days. The obtained results revealed that all growth indices were significantly (p | 0.05) improved by increasing in the EMFs intensity. 2 mT treatment indicated the highest final weight (43.95 ± 0.27 g), weight gain (6.83 ± 0.10 g), weight gain rate (20.94 ± 0.13 %), daily growth rate (0.38 ± 0.00 g day-1), specific growth rate (1.26 ± 0.01 % day-1) and the lowest food conversion ratio (p | 0.05). Survival rate had significantly (p | 0.05) increased in all exposed treatments compared to the control group. In conclusion, ELF-EMF can enhance the growth ...
A chemiluminescence study showed that hepatitis B virus (HBV) and hepatitis C virus (HCV) DNA amplicons are capable of induced radiation when exposed to electromagnetic fields (EMFs) that range from...
Radiofrequency electromagnetic fields are absorbed by the body and may subsequently provoke various effects. The strength of the energy absorption depends on the strength and the frequency of the electromagnetic fields, but also on the properties and structures of the biological tissue. Forces and heating due to radiofrequency electromagnetic fields are clearly proven and physically defined.
Global Compact Secondary Substations Market Professional Survey Report 2017 1 Industry Overview of Compact Secondary Substations 1.1 Definition and Specifications of Compact Secondary Substations 1.1.1 Definition of Compact Secondary Substations 1.1.2 Specifications of Compact Secondary Substations 1.2 Classification of Compact Secondary Substations 1.2.1 35 KV 1.2.2 110 KV 1.2.3 Other 1.3 Applications of Compact Secondary Substations 1.3.1 Home Use 1.3.2 Commercial Use 1.3.3 Utility 1.3.4 Other 1.4 Market Segment by Regions 1.4.1 North America 1.4.2 China 1.4.3 Europe 1.4.4 Southeast Asia 1.4.5 Japan 1.4.6 India 2 Manufacturing Cost Structure Analysis of Compact Secondary Substations 2.1 Raw Material and Suppliers 2.2 Manufacturing Cost Structure Analysis of Compact Secondary Substations 2.3 Manufacturing Process Analysis of Compact Secondary Substations 2.4 Industry Chain Structure of Compact Secondary Substations 3 Technical Data and Manufacturing Plants Analysis of Compact Secondary ...
In this study we created a job-exposure matrix based on systematically performed magnetic field measurements in the 49 most common occupations among women in Stockholm County. We identified a group of occupations in which workers are exposed to higher than average magnetic field levels and spend a larger than average proportion of their time in high fields. Individual occupations showed large variation and overlap in measured magnetic field values. When exposure during 24 hours was taken into consideration the contrast between high and low exposure occupations was diluted but still discernible. Among the highest exposed were women working in kitchens and in shops, which comprises occupations that have not previously been identified as highly exposed to magnetic fields.. The main limitation of the study is the limited number of measurements in each occupation and that the ...
The cell viability and DNA damage in unstimulated sheep primary lymphocytes subjected to different extremely low electromagnetic field intensities (5, 50 and 100 µT; 50 Hz) were studied with special emphasis on apoptosis. Sheep primary lymphocytes cultured in RPMI, supplemented with 10% FBS in the absence of mitogens, were exposed till 16 h. The cell viability assessment by 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyl tetrazolium bromide (MTT) assay showed a dose dependent enhancement of viability at 16 h. Further, quantitative DNA laddering and flow cytometric analysis showed a significant decrease in apoptosis of the cells subjected to 100 (p
Ma, L., Wei, H.-Y. and Soleimani, M., 2012. Cryosurgical monitoring using electromagnetic measurements: A feasibility study for magnetic induction tomography. In: In: 13th International Conference in Electrical Impedance Tomography (EIT 2012), 2012-05-23 - 2012-05-25.. ...
This project will enhance knowledge in the area of electromagnetic fields and health by clarifying some of the actual effects of low frequency electromagnetic fields (LF-EMF) on the innate immune system. The main goal of this project is to gain a basic understanding of possible LF-EMF effects at all levels of the organism (molecular, cellular and whole organism). Our model builds on existing in vitro models studying the formation of oxygen radicals in human monocytes, thus taking into account past research and established effects.The research questions in theis proposal address how LF-EMF modulate a) the in vitro response of macrophages, b) in vivo fish health and c) transcription of (immune-relevant) genes. The animal species of choice is fish, common carp (Cyprinus carpio L.), using an in vitro culture system of the fish equivalent of human bone marrow-derived macrophages. Carp macrophages will be exposed ...
Participants in this workshop discussed various aspects of the health effects of worker exposure to electric and magnetic fields. Specific topics discussed included low frequency electromagnetic fields, biological effects of extremely low frequency electromagnetic fields, health effects of exposures, occupational exposure assessment for electric and magnetic fields in the 10 to 1000 hertz frequenc
The strongest magnetic fields are usually emitted from high voltage transmission lines - the power lines on the big, tall metal towers. Some sources include power lines , household wiring, and anything. The debate of whether there are adverse effects associated with electromagnetic fields from living close to high - voltage power lines has raged for years. Most of the hundreds of thousands of miles of high - voltage transmission lines in this country are made solely of metal-either aluminum or . High voltage power lines often have easements associated with . But what if long-term exposure to the electrical and magnetic energy produced by high - voltage wires caused health problems? Residential distance to high - voltage power lines and risk of . In the case of high - voltage lines , electricity can arc across an air gap.. The gap distance varies with the ...
Pulsed electromagnetic field #PEMF therapy for nerve regeneration; protects & promotes #nerve regeneration after catastrophic trauma or spinal cord injury #SCIhttps://earthpulse.net/magnetic-therapy-nerve-regeneration/#a_aid=psysid
Chronically venous ulcer in lower extremities is a permanent and disabling disease. Venous insufficience is the main cause of chronic ulcer. There is a high prevalence and frequency of the disease, primarily among elderly people. Recently, electromagnetic field therapy has been tested on various diseases in musculoskeletal system with a beneficial effect. In recent years, there has been an increasing interest in using electromagnetic field therapy to treat chronically venous ulcer.. The hypothesis of the investigators is that the electronic magnetic field therapy improves the healing process and reduces pain for patients suffering from chronically venous ulcer. The investigators assume that the bioactivity is affected by a cellular response which affects the DNA synthesis, transcription og protein synthesis. ...
Chronically venous ulcer in lower extremities is a permanent and disabling disease. Venous insufficience is the main cause of chronic ulcer. There is a high prevalence and frequency of the disease, primarily among elderly people. Recently, electromagnetic field therapy has been tested on various diseases in musculoskeletal system with a beneficial effect. In recent years, there has been an increasing interest in using electromagnetic field therapy to treat chronically venous ulcer.. The hypothesis of the investigators is that the electronic magnetic field therapy improves the healing process and reduces pain for patients suffering from chronically venous ulcer. The investigators assume that the bioactivity is affected by a cellular response which affects the DNA synthesis, transcription og protein synthesis. ...
Sources of electromagnetic radiation. It is known that in the vicinity of a conductor through which the current flows electric and magnetic fields are generated simultaneously. If the current does not alternate in time, these fields do not depend on each other. In case of alternating current magnetic and electric fields are interconnected with each other, representing a uniform electromagnetic field. The electromagnetic field possesses certain energy and is characterized by electric and magnetic strength that is necessary to take into consideration when evaluating working conditions. Sources of electromagnetic radiation include: radio engineering and electronic devices, inductors, condensers of thermal installations, transformers, antennas, ...
INTERNATIONAL EXPERTS PERSPECTIVES ON THE HEALTH EFFECTS OF ELECTROMAGNETIC FIELDS (EMF) AND ELECTROMAGNETIC RADIATION (EMR). June 11, 2011. Below are some of the key resolutions/appeals released by expert scientific groups around the world since 1998, regarding the biological and health effects of both low frequency electromagnetic fields (EMF) associated with electricity and radio frequency (RF) electromagnetic radiation (EMR)…
More studies that are focused on the bioeffects of radio-frequency (RF) electromagnetic radiation that is generated from the communication devices, but there were few reports with confirmed results about the bioeffects of RF radiation on reproductive cells. To explore the effects of 1950 MHz RF electromagnetic radiation (EMR) on mouse Leydig (TM3) cells. TM3 cells were irradiated or sham-irradiated continuously for 24 h by the specific absorption rate (SAR) 3 W/kg radiation. At 0, 1, 2, 3, 4, and 5 days after irradiation, cell proliferation was detected by cell counting kit-8 (CCK-8) method, cell cycle distribution, percentage of apoptosis, and cellular reactive oxygen species (ROS) were examined by flow cytometry, Testosterone level was measured using enzyme-linked immunosorbent assay (ELISA) assay, messenger ribonucleic acid (mRNA) expression level of steroidogenic acute regulatory protein (StAR) and P450scc in TM3 cells was detected by real-time polymerase chain reaction ...
Using a custom build spectrophotometer equipped with Helmholtz coils and designed to study the effects of magnetic fields on enzyme reactions in real-time we have investigated the influence of fields, from 100 ?T to 10 mT and at a variety of field frequencies, on the membrane bound enzymes alkaline phosphatase and acetylcholinesterase. We have also employed other methods to apply a magnetic field, e.g. Biostim. In contrast to earlier reports we have been unable to detect any field effects on these enzymes under any field/frequency regime. We discuss possible reasons for the discrepancy between this and earlier work and note the particularly complex influence of small temperature changes that may confound analysis.. ...
Analysis of literature, references to the experimental and theoretical research got possibility to disclose connections between health problems of population and long term expousure of low electromagnetic fields - electrosmog. The energy power of low frequency electromagnetic emission is quite small. But electromagnetic radiation of these frequencies has clearly expressed electric and magnetic fields influencing to the human body and individual organs. The most sensitive is central nervous and neuro endocrine systems. The main sources of electromagnetic fields in living and working environment are household appliance, electricity transmission, transformation and distribution devices. Electromagnetic fields emitted from ...
The pathogenesis of tendon degeneration and tendinopathy is still partially unclear. However, an active role of metalloproteinases (MMP), growth factors, such as vascular endothelial growth factor (VEGF) and a crucial role of inflammatory elements and cytokines was demonstrated. Mechanical stimulation may play a role in regulation of inflammation. In vitro studies demonstrated that both pulsed electromagnetic fields (PEMF) and extracorporeal shock wave therapy (ESWT) increased the expression of pro-inflammatory cytokine such as interleukin (IL-6 and IL-10). Moreover, ESWT increases the expression of growth factors, such as transforming growth factor β(TGF-β), (VEGF), and insulin-like growth factor 1 (IGF1), as well as the synthesis of collagen I fibers. These pre-clinical results, in association with several clinical studies, suggest a potential effectiveness of ESWT for tendinopathy treatment. Recently PEMF gained popularity as adjuvant for fracture healing ...
PEMF (Pulsed Electromagnetic Field Therapy) in New York City used for pain, neuralgia and depression. PEMF therapy charges your body and cells electromagnetically.
Certain embodiments of the present invention provide a method for detecting an electromagnetic field in an imaging system including emitting an electromagnetic field with an electromagnetic transmitter, sensing an electromagnetic field with an imaging system detector, and reading a field image from the detector based at least in part on the electromagnetic field. The imaging system detector is capable of reading an object image and a field image. The detector may be an amorphous silicon flat panel x-ray detector. The electromagnetic transmitter may be used in surgical navigation. The position of a surgical device, instrument, and/or tool may be determined based in part on the field image. The detector may be coordinated to acquire the field image when the electromagnetic transmitter is emitting an electromagnetic field. The detector may be coordinated to acquire the object ...
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A system (20) and method (200) is disclosed that can be used to track and navigate an instrument (24) relative to a patient. The system (20) can include an electromagnetic tracking system (50) to track an electromagnetic stimulation probe, such as a transcranial magnetic stimulation probe (100). The system can, according to various embodiments, provide a tracking device (31) on the probe (100), track the coil (102a, 102b) of the probe (100), provide a field relative to the probe (100), and determine the position of the patient based upon the field produced by the probe (100).
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0037] The source of radio-frequency electromagnetic radiation 102 can provide linearly polarized electric and magnetic fields having a frequency between 50 kHz and 1 MHz, and amplitude of between 10 kA/m and 1,000 kA/m according to some embodiments of the current invention. According to some embodiments, the source of radio-frequency electromagnetic radiation 102 includes an electrically conducting component 122 that winds around at least a portion of the exposure volume defined by the system to provide a solenoid. The source of radio-frequency electromagnetic radiation 102 also includes a power source, such as a voltage source, which is not shown in FIG. 1D-1F for clarity. The electrically conducting component 122 can be a metal coil according to some embodiments of the current invention. In some embodiments, electrically conducting ...
Key players and manufacturers in electromagnetic navigation bronchoscopy market are taking immense efforts in developing advanced minimally invasive
A method for interpreting transient electromagnetic survey data includes measuring transient response of a medium over a plurality of switching events. The measured transient response to a first one of the current switching events is modeled. Transient response to the model for at least one current switching event prior in time to the at least a first current switching event is calculated. The calculated transient response is summed with the first event measured response and the sum is compared to the electromagnetic survey measurements. The model is adjusted and the calculating summed transient responses is repeated until a difference between the summed calculated responses and the survey measurements falls below a selected threshold.
The use of electromagnetic field in the treatment of diseases has already been known for centuries. Low hazard, wide applicability, good clinical effect and the relatively low cost enable the electromagnetic field therapy to be widely used. The biological effect of the electromagnetic field is based on inter alia, analgesic, anti-inflammatory, osteogenetic and regenerative actions, which are associated with the changes in cellular signal transmission, action on biological membranes, ion transport processes, protein synthesis, cell proliferation and apoptosis. In addition, the electromagnetic field increases quantity of collagen content elevating its density and a more regular arrangement. Furthermore, it induces the activation of glutathione peroxidase and intensification of the process of erythropoiesis leading to better use of oxygen in the tissues around the wound. The electromagnetic field is used in rehabilitation of ...
Purpose : A great deal of evidence has confirmed that electromagnetic fields can affect the central nervous system and are effective in gene expression as well as development, differentiation, cell proliferation, and apoptosis of embryonic neural cells. This study was conducted to investigate the cellular and molecular changes of cultured human retinal pigment epithelial (hRPE) cells when treated with pulsed electromagnetic fields. Methods : Cultured neonatal hRPE cells with confluency of 60% were exposed to pulsed electromagnetic field of 1 mT intensity and 50 Hz frequency 8 hours daily for 3 days. In addition to cell proliferation and cell death assays, immunocytochemistry for RPE65, Pax6, Nestin and cytokeratin 8/18 proteins were performed. Extracted RNAs were subjected to real-time PCR for Nestin, Pax6, RPE65, and α-SMA. Results : Treated hRPE cells did not demonstrate significant change ...
The basic premise of this article is that human generated electromagnetic radiation is contributing to global warming. It may do so by diverting an energy force termed KELEA (kinetic energy limiting electrostatic attraction) from its presumed association with cosmic rays. Cosmic ray delivered KELEA is viewed as normally participating in the formation of cloud condensation nuclei (CCN). It may do so by transforming electrostatically inert particles into electrostatic aerosols capable of acting as CCN. The resulting clouds act as a reflective barrier to some of the infrared radiation from the sun and, thereby, reduce the earths heat. This article proposes that increasing levels of electromagnetic radiation in the atmosphere is reducing the capacity of cosmic rays to deliver adequate KELEA to maintain climate stability through optimal cloud formation. Specifically, the fluctuating electrical fields accompanying ...
Exposure assessment is the determination or estimate of the magnitude, frequency of occurrence, and rate of exposure of an individual or a group to an environmental agent. The agents of interest in this case are the electric and magnetic fields (EMF) in the extreme low-frequency range that includes the power frequency of 50/60 Hz. There are an increasing concern that exposure to EMF may be associated with biological and health effects. This concern has prompted numerous measurement projects and the development of instrumentation, methodologies, and exposure models and simulations. This paper identifies the status of EMF exposure assessment research related to occupational exposures. It draws the recent results to emphasize the unique aspects of EMF exposures in the home and utilities environments, and highlights the research needs. The intensities of electromagnetic fields have been measured ...
DECT cordless phones usage has been a major health and environmental concern in Europe and especially in Germany for years. Now multiple handsets cordless phones are also available in the USA - extolled as 2.4 GHz digital technology with multiple handsets following the DFHSS (Digital Frequency Hopping Spread Spectrum) standard which is almost identical to DECT. The biological concern arose from studies on high frequency (HF) sources such as cellular phones and cellular phone base stations with GSM technology. The digital pulsed pattern of GSM and DECT radiation has come under suspicion to cause e.g. brain cancer, lymphoma, and changes in the brain blood barrier. The problem with the cordless DECT phones is, that the base station permanently emits full power pulsed microwave radiation, whether the phone is used or not. This creates constant exposure to high levels of the most critical type of HF radiation known throughout the entire home or office. The DECT technology is a European standard for ...
http://www.emfnews.org/headset.html. Lifebluetube Headset. Cell Phone Radiation Protection. Mobile Phone Radiation Protection. Trifield Electromagnetic Field Meter. August 24, 2011 , Zulima Palacio. This past May, in a major policy shift, the World Health Organization said electromagnetic fields produced by mobile phones are possibly carcinogenic. Although the International Association for the Wireless Telecommunication Industry says theres no evidence that cell phones have a negative impact on health, many people are wondering exactly how electromagnetic fields, including those generated by cell phones, might harm them.. The World Health Organization says at least five billion people around the world use mobile phones and those who use them most frequently could be at risk for malignant brain tumors.. Many scientists welcomed the WHO statement, but some said it did not go far enough because ...
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28/11/2009. http://www.the-news.net/cgi-bin/google.pl?id=1038-45. The electromagnetic radiation from students mobile phones is going to be measured in fourteen schools in Lisbon, over a three month period, after a protocol was signed between Lisbon Council and the Telecommunications Institute on Tuesday 24th November.. The Telecommunications Institute will be installing measuring stations to determine the electromagnetic field in fourteen schools and the Town Hall in Lisbon, via a real time monitoring network. Other measurements will also be taking place in other locations, with the results being published on an internet page for the public to access. The objective of the protocol is to create public awareness of the possible harmful health effects originated by electromagnetic radiation, emitted by mobile communication antennas. It is in the Councils interest to "proceed to monitor the situation of the electromagnetic ...
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Is it worth the price? Well i guess that depends on what the "it" is and where that "it" fits into ones training sense. What i can say is that if i had had to pay 35 quid to go see a therapist for a session for 7 days of treatments, thats £245 right there - and usually a PT session is only 20 mins; the compex are 30-60. And would i have been able to schedule 7 appointments in a row? So, a week of treatments and one of the entry level units is more than paid for. Thats almost scary - on demand rehab, recovery, strength support for the price of the therapy i would have needed this week, but wouldnt have gone to get, and im back training two weeks sooner than anticipated? and id still have the device ...
Enhanced local electric fields are predominant in nonlinear optical properties, particularly in surface-enhanced Raman scattering (SERS), which is a sensitive technique used for the detection of trace amounts of chemicals. Analysis of the electric fields around nanostructures indicates that they can provide a basic foundation to obtain greater SERS intensity. Professor ZHANG Zhongyue and his group from the College of Physics and Information Technology at Shaanxi Normal University have proposed a novel scheme to enhance the local electric fields around nanostructures. The scheme is based on manipulation of the incident wave to allow the superposition of the electric fields of multiple beams of light to work as the excitation source for the electrons in the nanostructures, and larger electric ...
During development and regenerative growth, neuronal pathways are defined in part by several endogenous cues that collectively determine directed growth. The interactions between such cues largely are unknown. To address potential interactions, we have examined in vitro the combined effect on nerve growth of two endogenous growth cone guidance cues: chondroitin sulphate proteoglycans and weak dc electric fields. Addition to the culture medium of a chondroitin 6-sulphate/keratan sulphate containing PG (BNC-PG) markedly enhanced the cathodal re-orientation of embryonic Xenopus neurites in an electric field, whereas a proteoglycan containing chondroitin 4-sulphate (RC-PG) was inhibitory. These effects of BNC-PG and RC-PG were reproduced by their chondroitin sulphate glycosaminoglycan side chains alone. Chondroitin 6-sulphate or chondroitin 4-sulphate, respectively, enhanced and inhibited cathodally-directed nerve re-orientation. This was ...
Hundreds of studies have already demonstrated the severely deleterious health effects of living near radio and microwave broadcast towers. Also, review the information on irrelevance of present SAR standards. The United States Environmental Protection Agency (EPA) itself acknowledges that current Federal Communications Commission (FCC) radiation protection standards are inadequate and do not account for all possible harmful effects of RFR, in particular the non-thermal effects that are of particular relevance to the radiation utilized by WiFi. In a July 16, 2002 letter from Norbert Hankin of the EPAs Center for Science and Risk Assessment, Radiation Protection Division to Janet Newton, President of The EMR Network, Mr. Hankin writes: "The FCCs current exposure guidelines, as well as those of the Institute of Electrical and Electronics Engineers (IEEE) and the International Commission on Non-Ionizing Radiation Protection, are thermally based, and do not apply to chronic, non-thermal exposure ...
Non-ionizing (or non-ionising) radiation refers to any type of electromagnetic radiation that does not carry enough energy per quantum to ionize atoms or molecules that is, to completely remove an electron from an atom or molecule.[1] Instead of producing charged ions when passing through matter, the electromagnetic radiation has sufficient energy only for excitation, the movement of an electron to a higher energy state. The region at which radiation becomes considered as "ionizing" is not well defined, since different molecules and atoms ionize at different energies. The usual definitions have suggested that radiation with particle or photon energies less than 10 electronvolts (eV) be considered non-ionizing. Another suggested threshold is 33 electronvolts, which is the energy needed to ionize water molecules. The light from the Sun that reaches the earth is largely composed of non-ionizing radiation, since the ionizing far-ultraviolet rays have been filtered out by the ...
Allergies, Alzheimers, ALS, ADD, ADHD, Aspergers Syndrome, Autism Spectrum Disorder, Cancer, Cataracts, Chronic Fatigue Syndrome, Depression, Electrosensitivity, Fibromyalgia, Headaches, Infertility, Immune-Suppression, Multiple Chemical Sensitivity, Parkinsons Disease, Sleep disorders…..etc What is the common denominator with all of these diseases? They are all conditions related to exposure to Electromagnetic Radiation. What is Electromagnetic Radiation? In simple terms…
We have theoretically studied the combination effects of the electric and magnetic fields on the binding energy of an on-center donor impurity in disc-shaped GaAs/Al0.3Ga0.7As quantum dots (QDs) with emphasis on the competition effects between the two fields under externally applied pressure and temperature. The electric field is applied along the radial direction of the QD, while the magnetic field is applied along the growth direction. The numerical method we employed in the present calculations is the potential morphing method in the framework of the effective mass approximation. Our results show that the two fields exhibit a competition effect on the donor binding energy, leading to an invariant binding energy as in the zero field case at a critical line. This line separates the region corresponding to the "red shift" of the donor ...
Finland Electric power Stats", NationMaster. Retrieved from http://www.nationmaster.com/country-info/profiles/Finland/Energy/Electric-power. "Finland Electric power Stats, NationMaster." 1960-2004. ,http://www.nationmaster.com/country-info/profiles/Finland/Energy/Electric-power,.. Finland Electric power Stats, NationMaster, ,http://www.nationmaster.com/country-info/profiles/Finland/Energy/Electric-power, [assessed 1960-2004]. "Finland Electric power Stats", NationMaster [Internet]. 1960-2004. Avaliable from: ,http://www.nationmaster.com/country-info/profiles/Finland/Energy/Electric-power,.. "Finland Electric power Stats", NationMaster. Avaliable at: nationmaster.com. Assessed 1960-2004.. "Finland Electric power Stats, NationMaster," http://www.nationmaster.com/country-info/profiles/Finland/Energy/Electric-power (assessed ...
Background. The effect of the magnetic field on fish egg shells has not attracted major interest of researchers, even though it could have been predicted that such effect may be vital to fish embryogenesis. One of the hitherto-neglected aspects of the magnetic field action of fish eggs are the changes in the egg shell permeability and possible alteration of the process of embryogenesis. Studying this process and learning the associated phenomena may be important in explaining cases of substantial mortality of the embryos. Materials and Methods. Fish eggs (Atlantic salmon, Salmo salar L.; sea trout, Salmo trutta L.; and rainbow trout, Oncorhynchus mykiss (Walbaum, 1792) and isolated egg shells, in a custom-made osmometer setups, were subjected to the action of a stable magnetic field (2 mT). The ultrastructure of the egg-shells was studied using a scanning electron microscope (JEOL JSM 6100). Results. Stable magnetic field (2 mT), affecting ...
CARBONARI, Karina et al. Increased micronucleated cell frequency related to exposure to radiation emitted by computer cathode ray tube video display monitors . Genet. Mol. Biol. [online]. 2005, vol.28, n.3, pp.469-474. ISSN 1415-4757. http://dx.doi.org/10.1590/S1415-47572005000300024.. It is well recognized that electromagnetic fields can affect the biological functions of living organisms at both cellular and molecular level. The potential damaging effects of electromagnetic fields and very low frequency and extremely low frequency radiation emitted by computer cathode ray tube video display monitors (VDMs) has become a concern within the scientific community. We studied the effects of occupational exposure to VDMs in 10 males and 10 females occupationally exposed to VDMs and 20 unexposed control subjects matched for age and sex. Genetic damage was assessed by examining the frequency of micronuclei in ...
Danger of EMF - Electromagnetic Field - Powerlines, VDU, Home Appliances Part 1. http://www.emfnews.org/headset.html. Lifebluetube Headset. Cell Phone Radiation Protection. Mobile Phone Radiation Protection. Trifield Electromagnetic Field Meter. We are being kept in a state of ignorance about the dangers posed by electrical pollution at a time when the devices contributing to that pollution from power tools to cell phones to electric cars are proliferating wildly, with no EMF safety-testing whatsoever and almost no non-industry-sponsored funding for research. Studies and missed opportunities In their 1979 study "Electrical Wiring Configurations and Childhood Cancer," Wertheimer and Leeper observed, "Electrical power came into use many years before environmental impact studies were common, and today our domestic power lines are taken for granted and generally assumed to be harmless. However, this assumption ...
0060] FIG. 5 shows a block diagram of a mobile communication system 500 comprising a base station 501, a user equipment 502 and a target base station 503. The base station 501 comprises: [0061] a module 504 for selecting one of said plurality of base stations as a target base station 503 for a handover of said user equipment. The base station 501 makes for example the selection based on a measurement report of neighboring base station received from the user equipment 502, or from previous handovers that the base station 501 has accomplished. [0062] a module 505 for transmitting a handover request to said target base station 503. The handover request being sent via an X2 interface that couples the base station 501 with the target base station 503. [0063] a module 506 for receiving a handover request acknowledgement from said target base station 503, said handover request acknowledgment being indicative of at least one physical resource of said target base station 503. The at least one physical ...
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As a member of the cruciferous plant family, Maca root (Lepidium meyenii or idium peruvianum) also known as Peruvian ginseng, has relation to broccoli, cabbage, kale, and radishes. The root grows in a variety of colors( red, black, yellow) and has a multitude of medicinal actions. Classified as an adaptagen, Maca aids the bodies immune and endocrine systems to adapt to its environment. Maca grows in a harsh environment, adapting to extreme temperature changes, wind, and sun. Due to this "signature" Maca is excellent for those who live in high, dry, cold climates, are extreme athletes such as climbers, mountaineers, or skiiers, and is perfect for alleviating altitude sickness. ( Maca increases the use of oxygen by red blood cells.) If you dont live in these conditions, dont despair, Maca can adapt to your needs. ...
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It is important that the right portable electric power tools be available when needed. However, this is of no value if the tools are not in good working order and able to effectively and safely perform the work. Portable electric power tools not maintained and in good working order are first and foremost a safety hazard. Secondly, poorly maintained portable electric power tools will affect both the productivity and morale of those using them. The cost of providing adequate and well-maintained portable electric power tools to field personnel is small compared to the cost of lost productivity or a resulting accident.. Where does good tool maintenance start?. Good tool maintenance starts with the proper use of tools at the work site. Field personnel must know how to select the right tool for the job and then understand how to use it properly. Training in proper selection and use of these tools is key to trouble-free use and long tool life.. ...
Vestibular schwannomas (VSs) grow in the region where the energy from mobile phone use is absorbed. We examined the associations of VSs with mobile phone use. This study included 119 patients who had undergone surgical tumor removal. We used two approaches in this investigation. First, a case-control study for the association of mobile phone use and incidence of VSs was conducted. Both cases and controls were investigated with questions based on INTERPHONE guidelines. Amount of mobile phone use according to duration, daily amount, and cumulative hours were compared between two groups. We also conducted a case-case study. The location and volume of the tumors were investigated by MRI. Associations between the estimated amount of mobile phone use and tumor volume and between the laterality of phone use and tumor location were analyzed. In a case-control study, the odds ratio (OR) of tumor incidence according to mobile phone use was 0.956. In the case-case study, tumor volume and estimated ...
Electromagnetic ion cyclotron (EMIC) waves and their role in governing proton populations in the ring current and radiation belt regions are of importance in understanding the dynamics of the Earths magnetosphere. The availability of SCATHA magnetic field and proton spectra data allowed us to study the electromagnetic proton cyclotron instability as a generation mechanism for EMIC waves and the relationship between EMIC waves and protons in the equatorial region of the magnetosphere. To identify EMIC waves and obtain wave power spectra from the SCATHA magnetic field data, we employed the fast Fourier transform and spectral analysis techniques. First, we studied the conditions under which the electromagnetic proton cyclotron instability acts as a generation mechanism for EMIC waves in the Earths magnetosphere. The results are consistent with those of previous studies and/or with theoretical expectations. Especially, the ...
Email: [email protected] Earths Magnetic Field Is Produced By An External Dynamo System, Not An Internal Dynamo.. Researcher finds that Earths magnetic field is not produced by an internal dynamo. Nor is it produced by ocean current. The dynamo is outside the Planet! New findings by independent researcher, Dennis Brooks, show that Earths magnetic field and the planet itself are components of a complex dynamo system, which surrounds the planet. The planet and its magnetic field are part of the dynamo.. According to this new theory, no internal dynamo or ocean current helps in producing or maintaining the magnetic field because other planets with magnetic fields do not have ocean currents or iron cores.. Image by NASA. Each planet does not have a unique way of producing its magnetic field. The magnetic field of each planet is produced by a ...
Microwave Theory and techniques, CAD design for Microwave Systems, Antennas and Radars, Lightwave technology, Submillimeter-Wave techniques, Microwave High-Power techniques, Microwave and millimeter-Wave Integrated Circuits, Microwave and millimeter-Wave Integrated Solid State Devices, Microwave Acoustics, Filter and Passive Components, Microwave and Antennas Measurements, Microwave Superconductivity , RFICs, Wave-guides, Microwave propagation, Ferrites devices. Cavities. Microwave Circuits, Periodic Structures and Filters, Tubes, Masers, Amplifiers, HF-VHF-UHF Engineering, Antennas, Reflectors and Lens Antennas, Arrays, Scattering, Propagation, Diffraction, Electromagnetic Compatibility Problems, Applied Electromagnetics, Electromagnetic Field, Numerical Methods for Electromagnetics, Mathematical Methods and Computational techniques for Microwaves, Mathematical Methods and Computational techniques for Antennas and Radars, Radio Engineering ...
Oct. 27, 1970 J. W. JONES, JR., EVAL COOLING ARRANGEMENT FOR ELECTRIC POWER GENERATING PLANTS s sheets-sheet L1 Filed Feb.A 9, 1968 INVENTORS JOHN JONES .Jl BY [email protected] Tlzevoizlzow HR/VEY. Oct. 27, 1970 J, w. JONES, JR ET AL 3,536,928 COOLING ARRANGEMENT FOR ELECTRIC POWER GENERATING PLANTS Filed Feb. 9, 196s 5 sheets-sheet 2 FIG. 3 FIG. 4. INVENTOR. JOHN w. JONES JR. DA\/\D TQEVORROW u 2 4 .Vlnuunuhhudunhn hun FlG. \2 5a 90.251769 ..\....L.........?...H.l.. -l1 x, Z (C. H 5 / Arm RNEY Oct. 27, 1970 w, JoNEs, JR. ETAL 3,536,928 COOLING ARRANGEMENT FOR ELECTRIC POWER GENERATING PLANTS 3 Sheets-Sheet 5 Filed Feb. 9, 1968 f Arme/MY. 3,536,928 COOLING ARRANGEMENT FOR ELECTRIC POWER GENERATING PLANTS John W. Jones, Jr., Bernardsville, and David Trevorrow, Chester, NJ., assignors to Foley Machinery Co., Piscataway, NJ., a corporation of New Jersey Filed Feb. 9, 1968, Ser. No. 704,376 Int. Cl. F01d 15/10 U.S. Cl. 290-1 10 Claims ABSTRACT F THE ...
NOTES. 1. Interview with Dr. Eckel was published by Schwabischen Post 12-07-06. Find this interview at www.heseproject.org. See "The Cell Nucleus is Mutating.". 2. "Neurological Effects of Radiofrequency Electromagnetic Radiation," a paper presented by Dr. Lai to the Mobile Phones and Health Symposium, October 25-28, 1998, University of Vienna. Also "DNA Damage and Cell Phone Radiation," www.rfsafe.com, 11-02-05.. 3. Cell Phones: Invisible Hazards in the Wireless Age, Dr. George Carlo and Martin Schram, Carroll & Graf Publishers, 2001, p.151.. 4. "Mobile Telecommunications and Health-Summary of the ECOLOG study for T-Mobile, 2000," Find this summary at www.hese-project.org.. 5. "Cell Phone Radiation Harms DNA, Study Claims," (Reuters) MSNBC, 12-04-04. Also "Mobile Phone Radiation Harms DNA," R. Moss, CPR News Bureau, 10-16-06.. 6. "RF-Induced DNA Breaks Reported in China," Microwave News, 09-29-05. This report comes from the Zhejiang University School of Medicine.. 7. "2.45 GHz ...
Countries Compared by Energy > Electric power consumption > KWh per capita. International Statistics at NationMaster.com", International Energy Agency. Aggregates compiled by NationMaster. Retrieved from http://www.nationmaster.com/country-info/group-stats/European-Union/Energy/Electric-power-consumption/KWh-per-capita. "Countries Compared by Energy > Electric power consumption > KWh per capita. International Statistics at NationMaster.com, International Energy Agency. Aggregates compiled by NationMaster." 1961-2011. ,http://www.nationmaster.com/country-info/group-stats/European-Union/Energy/Electric-power-consumption/KWh-per-capita,.. Countries Compared by Energy > Electric power consumption > KWh per capita. International Statistics at NationMaster.com, International Energy Agency. Aggregates compiled by NationMaster., ...
... was last measured at 255.53 in 2011, according to the World Bank. Electric power consumption measures the production of power plants and combined heat and power plants less transmission, distribution, and transformation losses and own use by heat and power plants.This page has the latest values, historical data, forecasts, charts, statistics, an economic calendar and news for Electric power consumption (kWh per capita) in Cameroon.
Objective:To analyze CT appearances of malignant liver tumors after local electromagnetic wave thermal ablation microwave thermal ablation (MTA) or radiofrequency ablation (RFA).Methods:CT scans were performed for twenty-six patients with malignant liver tumors 2 weeks after local electromagnetic wave thermal ablation.The examination was repeated within 3 months.CT features of liver morphological changes and of local complications after the thermal ablation were analyzed,combined with clinical symptoms and lab dada.Results:In 18 cases without abnormal changes,the first postoperative CT scan 2 weeks after the thermal ablation showed well-outlined low density area which appeared bigger than the original size of the tumors,and there was no enhancement in the area.The margin of the low density area showed a faint rim-like enhancement.After a few months,the low density area became smaller and its size was similar to that of the original tumor,the rim-like enhancement of the ...
Repetitive Transcranial Magnetic Stimulation (rTMS) is a newer stimulation technique used for research and in clinical practice in the last 10 to 15 years. It involves the application of strong magnetic field, which penetrates through the skull (hence transcranial) and superficially the brain, producing some local electrical current. These electric currents affect the functioning of neurons. The magnetic fields are the magnitude of 1.5 to 2.5 TESLA and are generated when electrical current is passed through a coil (electromagnetic induction).. The coils currently used for rTMS are usually of 2 types, round and figure 8 (butterfly) shaped. The figure 8 coils seem to be able to produce a stronger and more focal magnetic field compared to the round coil and is becoming more widely used. The stimuli delivered are repetitive and fall into 2 ...
The article about radiation protection and health shows that radiation protection instructions also have to be observed increasingly in the field of cosmetics and spa, apart from radiation protection in the medical field and possible adverse health effects from the application of electromagnetic fields. The range of topics in the field of radiation protection and the environment covers questions relating to the handling of natural radioactivity and the ongoing development of radiological emergency preparedness - which continues to be necessary irrespective of the phase-out of nuclear energy - through to the further development of structures addressing radiological threats. The still unsolved issue of safe radioactive waste management is dealt with in detail under the topic of safety of nuclear waste management. The importance of maintaining and improving the safety of nuclear power plants taking also into account Germanys phase-out of nuclear energy which ...
WASHINGTON - The U.S. Environmental Protection Agency (EPA) is releasing action plans developed by 20 electric utility facilities with 70 coal ash impoundments, describing the measures the facilities are taking to make their impoundments safer. The action plans are a response to EPAs final assessment reports on the structural integrity of these impoundments that the agency made public last May. Coal ash was brought prominently to national attention in 2008 when an impoundment holding disposed coal ash waste generated by the Tennessee Valley Authority failed, creating a massive spill in Kingston, Tennessee, that released more than 5 million cubic yards of coal ash to the surrounding area and is regarded as one of the worst environmental disasters of its kind in history. Shortly afterwards, EPA began overseeing the cleanup, as well as investigating the structural integrity of impoundments where coal ash waste is stored ...
Abstract  Classical ballet is an art form requiring extraordinary physical activity, characterised by rigorous training. These can lead to many overuse injuries arising from repetitive minor trauma. The purpose of this paper is to report our experience in the diagnosis and treatment of stress fractures at the base of the second and third metatarsal bones in young ballet dancers. We considered 150 trainee ballet dancers from the Ballet Schools of "Teatro Alla Scala" of Milan from 2005 to 2007. Nineteen of them presented with stress fractures of the base of the metatarsal bones. We treated 18 dancers with external shockwave therapy (ESWT) and one with pulsed electromagnetic fields (EMF) and low-intensity ultrasound (US); all patients were recommended rest. In all cases good results were obtained. The best approach to metatarsal stress fractures is to diagnose them early through clinical examination and then through X-ray and MRI. ESWT gave good results, ...
Planetary magnetic fields are ubiquitous in the Solar System and extrasolar planets are common in the galaxy. However, no extrasolar planetary magnetic field (or exodynamo) has yet been directly detected. Magnetic fields offer a unique window into the internal structure and dynamics of planets, can be remotely detected by electron cyclotron emission at radio wavelengths, and are commonly assumed to be important for surface habitability. In this talk we describe the conditions necessary for the generation of magnetic fields in the cores of terrestrial exoplanets, how they might evolve over time, and the important role of internal heat sources. We demonstrate that eccentric Earth-mass planets in the habitable zone around M dwarfs are likely to be within the "tidal zone", where gravitational tidal dissipation can be extreme, prolonging the ...
On the planet of digital forensics, cellphone investigations are growing exponentially. The volume of mobile devices investigated annually has risen nearly tenfold within the last decade. Courtrooms are relying a growing number of around the information in a cellular phone as vital evidence in cases of all types. Despite that, practicing cellular phone forensics remains to be in its relative infancy. Many digital investigators are unfamiliar with the sector and they are trying to find a "Phone Forensics for Dummies." Unfortunately, that book isnt available yet, so investigators ought to look elsewhere for information about how to best tackle cell phone analysis. This post should by no means act as an academic guide. However, you can use it like a starting point to get understanding in the region.. First, its vital that you know how we got to where we are today. In 2005, there are two billion mobile devices worldwide. Today, there are over 5 billion and that number is predicted to cultivate ...
OBJECTIVES--To test the hypotheses that Parkinsons disease can differentially produce deficits in voluntary and rhythmic jaw movements, which involve different neuronal circuits, and that levodopa treatment improves specific components of the motor deficit. METHODS--Patients with idiopathic Parkinsons disease and control subjects were tested on a series of jaw motor tasks that included simple voluntary movement, isometric clenching, and natural and paced rhythmic movements. Jaw movements were measured by changes in electromagnetic fields and EMG activity. Patients with Parkinsons disease with fluctuations in motor responses to levodopa were tested while off and on. RESULTS--During the off state, patients with Parkinsons disease were significantly worse than the control subjects on most tasks. The deficits included a decrease in amplitude and velocity during jaw opening and closing, aberrant patterns and low amplitude of EMG activity during clenching, and low ...
BackgroundTo study the association between use of wireless phones and meningioma.MethodsWe performed a case-control study on brain tumour cases of both genders aged 18-75 years and diagnosed during 2007-2009. One population-based control matched on gender and age was used to each case. Here we report on meningioma cases including all available controls. Exposures were assessed by a questionnaire. Unconditional logistic regression analysis was performed.ResultsIn total 709 meningioma cases and 1,368 control subjects answered the questionnaire. Mobile phone use in total produced odds ratio (OR) = 1.0, 95% confidence interval (CI) = 0.7-1.4 and cordless phone use gave OR = 1.1, 95% CI = 0.8-1.5. The risk increased statistically significant per 100 h of cumulative use and highest OR was found in the fourth quartile (|2,376 hours) of cumulative use for all studied phone types. There was no statistically significant increased risk for ipsilateral mobile or cordless phone use, for meningioma in the temporal
Adelaide, South Australia: Today. When countless people around the world mark International Multiple Chemical Sensitivity/MCS Awareness Day on May 12, (& for the entire month of May), many will be doing so from the forced confinement of their own home, like 39 year old South Australian MCS sufferer, Amelia Hill, who has been isolated from the outside world due to severe Multiple Chemical Sensitivity (MCS) & Chronic Fatigue Syndrome (CFS) for almost 6 years.. People with Multiple Chemical Sensitivity (MCS) are made sick by exposures to low levels of many common chemicals - such as perfume, pesticides, tobacco smoke, air fresheners, cleaning products, solvents and VOCs found in paint, new carpets, building materials. Many of these chemicals at high levels, can make anyone sick, but chemically sensitive people can become extremely ill after exposures to even minute amounts of these substances (1). Chemically sensitive people also frequently react to foods, drugs, electromagnetic ...
NaturalHealth365) Mercury, commonly used in dental amalgam fillings, is one of the most toxic substances on the planet. And, although the American Dental Association continues to insist that mercury-based silver fillings are safe, natural health experts have long warned that micro-levels of this highly-toxic substance can be released into the body, with grave health consequences.. Now, a disturbing new study shows that electromagnetic fields from WiFi - a hazard in their own right - accelerate the release of mercury from fillings, further increasing the threat to health. This research has some alarming implications - lets look at how you can protect yourself.. Amalgam fillings set the stage for a biological train wreck, according to many integrative healthcare providers. Although exposure to mercury can occur through the environment, vaccines and contaminated foods, the main source of exposure is "silver" dental amalgam fillings - which contain 50 percent ...
A digital online monitoring system and a monitoring device for power transmission lines adopt an embedded processor/controller supporting a wireless sensing network and are provided with a wireless communication module which supports the wireless sensing network and is connected with a microcontroller through an SPI bus interface. The wireless communication module is sequentially connected with a gateway of a heterogeneous network, a communication channel and a monitoring main station through wireless sensing, the microcontroller acquires data of a sensor through the wireless communication module, sends action instructions to an actuator and transmits acquired data to a monitoring center to be gathered and ordered. The system fast, accurately, reliably and inerrably monitors various parameters affecting safety operation of the power transmission lines, provides judgment basis for safety operation of overhead lines and avoids residual loss of manned petrol. Hardware of network node equipment is low
Robert Otto Becker (May 31, 1923 − May 14, 2008) was a U.S. orthopedic surgeon and researcher in electrophysiology/electromedicine. He worked mainly as professor at Upstate Medical Center in State University of New York, Syracuse, and as Director of Orthopedic Surgery at the Veterans Administration Hospital, Syracuse, New York. Becker was known for his work in bioelectricity and leading the early opposition to high-voltage power lines. He has been named as one of the most influential figures in the area of anti-EMF activism. Becker was born May 31, 1923 in River Edge, New Jersey to Otto Julius Becker and Elizabeth Blanck. He earned a bachelors degree from Gettysburg College in 1946 and a medical degree from the New York University School of Medicine in 1948. Becker was an intern at New Yorks Bellevue Hospital, then completed a residency Mary Hitchcock Memorial Hospital in Hanover, New Hampshire. Serving in the United States Army from 1942 to 1946, during World War II. Becker also served from ...
A charge/discharge control circuit is provided for an electric power source apparatus in which a service life is prolonged. A voltage dividing circuit, an overcharge voltage detection circuit, an overdischarge voltage detection circuit and a control circuit are connected in parallel to a secondary cell which is an electric power source, wherein the control circuit detects a condition of the secondary cell from the overcharge/overdischarge voltage detection circuits and outputs a signal Vs for controlling a power supply to an external equipment and a charge by an external power source and controls a switching element provided in series with the voltage dividing circuit and reduces a current which flows through the voltage dividing circuit.
Notes: Prices are in nominal dollars. Gas volumes delivered for use as vehicle fuel are included in the State annual totals through 2009 but not in the State monthly components. Through 2001, electric power price data are for regulated electric utilities only; beginning in 2002, data also include nonregulated members of the electric power sector. Gas volumes delivered for use as vehicle fuel are included in the State annual totals through 2009 but not in the State monthly components. Estimates of gas volumes delivered for use as vehicle fuel are included in the State monthly totals for January 2010 forward. Preliminary electric power data for 2016 are shown as of the September 2017 Electric Power Monthly. They will not reflect revisions made in the 2016 Electric Power Annual, which was published after the 2016 Natural Gas Annual was released. Revised electric power data for 2016 will not be ...
Notes: Prices are in nominal dollars. Gas volumes delivered for use as vehicle fuel are included in the State annual totals through 2009 but not in the State monthly components. Through 2001, electric power price data are for regulated electric utilities only; beginning in 2002, data also include nonregulated members of the electric power sector. Gas volumes delivered for use as vehicle fuel are included in the State annual totals through 2009 but not in the State monthly components. Estimates of gas volumes delivered for use as vehicle fuel are included in the State monthly totals for January 2010 forward. Preliminary electric power data for 2016 are shown as of the September 2017 Electric Power Monthly. They will not reflect revisions made in the 2016 Electric Power Annual, which was published after the 2016 Natural Gas Annual was released. Revised electric power data for 2016 will not be ...
TY - JOUR. T1 - Electrostatic field may regulate proliferation and immune responses of macrophages induced by polyethylene wear particles. AU - Fang, Hsu Wei. AU - Sung, Ya Ting. AU - Su, Chen Ying. AU - Chen, Chia Chun. PY - 2017/8/1. Y1 - 2017/8/1. N2 - Effects of electrostatic field on the macrophage responses induced by ultra-high molecular weight polyethylene (UHMWPE) wear particles have been investigated in this study. An inverted cell culture system was applied to study the interactions between UHMWPE wear particles and macrophage cells. The electrostatic field induced device (EFID) was installed on the cell culture system. The high voltage and low current stimulations generated from EFID were first applied to the UHMWPE particles/macrophage co-culture system. The proliferation and tumor necrosis factor-alpha, interleukin (IL)-6, and IL-1β cytokine expressions of J774A.1 macrophage cells were analyzed. The EFID applied voltage of 0.5 kV, 1.0 kV, 1.3 kV, and 1.6 kV were investigated. Our ...
The new research shows that electromagnetic frequencies (EMFs) - which are produced by wireless technologies such as cell phones, laptops, tablets and microwave ovens - can accelerate and intensify the release of mercury. The study also suggests that routine medical procedures, such as magnetic resonance imaging (MRIs) and X-rays, are other culprits in quickening mercury release. To conduct the study, researchers placed 20 extracted, mercury-filled human teeth in artificial saliva and exposed ten of them to 20 minutes of radiofrequency radiation from a standard laptop computer operating at 2.4 GHz. Researchers then measured the mercury levels in the artificial saliva surrounding the teeth. They found that levels in the fluid of the unexposed teeth were .026 milligrams per liter, as compared to .056 for the mercury-filled teeth - reflecting a doubling of the mercury release.. The research, which was published in 2016 in Journal of Environmental Health Science and Engineering, ...
SYSTEM AND METHOD FOR IMPROVING MOBILE DEVICE SAFETY BY SELECTIVELY DISABLING DEVICE FEATURES DURING UNSAFE OPERATIONAL CONDITIONS - A system for improving safe operation of mobile communication devices includes an operational module installable on a mobile communication device. The mobile communication device is able to communicate wirelessly over a mobile communications network and has a plurality of internal sensors, a plurality of external sensors, a user interface, and a plurality of communications modules. The operational module is able to monitor at least one of the internal sensors and the external sensors, to determine whether the mobile communication device state is one of a plurality of predetermined device states. The predetermined device states represent predetermined watch list operations, which are determined based on improving the safe operation of the mobile communication device. The operational module executes predetermined operations in the event the mobile communication ...
Shifting of the surface plasmon resonance wavelength induced by the variation of the thickness of insulating spacer between single layer graphene and Au nanoparticles is studied. The system demonstrates a blue-shift of 29 nm as the thickness of the spacer layer increases from 0 to 15 nm. This is due to the electromagnetic coupling between the localized surface plasmons excited in the nanoparticles and the graphene film. The strength of the coupling decays exponentially with a decay length of d/R = 0.36, where d is the spacer layer thickness and R is the diameter of the Au nanoparticles. The result agrees qualitatively well with the plasmon ruler equation. Interestingly, a further increment of the spacer layer thickness induces a red-shift of 17 nm in the resonance wavelength and the shift saturates when the thickness of the spacer layer increases above 20 nm. © 2012 Optical Society of America ...
The U.S. Court of Appeals for the Federal Circuit upheld a victory for Shook, Hardy & Bacon clients Alstom SA and its subsidiaries Alstom Grid, LLC and Psymetrix Limited against Electric Power Group, who had alleged the Alstom defendants infringed three of Electric Power Groups patents relating to real-time, wide-area performance monitoring of an electric power grid. Electric Power Group filed suit against the Alstom defendants in 2012. The U.S. District Court for the Central District of California granted summary judgment in Alstoms favor in May of 2015, finding Electric Power Groups patents invalid under 35 U.S.C. § 101 for lack of patent-eligible subject matter under the Supreme Courts decision in Alice Corp. v. CLS Bank Intl. The appeals court upheld the lower courts ruling, finding the patents in question cover only the abstract idea of gathering and analyzing information and displaying the results. Although the claims ...
Dear Mr. Markey:. This is in response to your letter of April 7, 1997, regarding the status of the Food and Drug Administrations (FDA) oversight and investigation of wireless communication health effects. Little is known about the possible health effects of repeated or long-term exposure to low levels of radiofrequency radiation (RF R) of the types emitted by wireless communications devices. Indeed, much controversy exists within the scientific community regarding the potential for health effects from any type of low-intensity RF R. RF R extends from approximately a few kilohertz (kHz) to 300 gigahertz (GHz) on the electromagnetic spectrum. Cellular phones emit RF R at a frequency of about 824-915 megahertz (MHz). The new Personal Communications Systems (PCS) emit at 1850-1910 MHz. In addition, radar systems emit in a band of 100 MHz and 100 GHz. Many other consumer products emit in this range, e.g., AM radios around 1 MHz, CB radios at 27 MHz, televisions at 50-500 MHz and above, and ...
A toroidal shaped transponder unit is connected to a live power transmission line by means of a tripping mechanism and a hinge assembly. The unit includes means for sensing the temperature and current of the power transmission line and for transmitting the information to a local receiver. The toroid housing includes an open frame mounting hub and spoke assembly for mounting the sensors without interfering with the thermodynamics of the transmission line. The unit further includes a power coil and core assembly for receiving magnetic emanations from the transmission line and generating power to operate the electronic components within the unit.
Transcranial magnetic stimulation (TMS) is a magnetic method used to stimulate small regions of the brain. During a TMS procedure, a magnetic field generator, or "coil", is placed near the head of the person receiving the treatment.[1]:3 The coil produces small electric currents in the region of the brain just under the coil via electromagnetic induction. The coil is connected to a pulse generator, or stimulator, that delivers electric current to the coil.[2]. TMS is used diagnostically to measure the connection between the brain and a muscle to evaluate damage from stroke, multiple sclerosis, amyotrophic lateral sclerosis, movement disorders, motor neuron disease, and injuries and other disorders affecting the facial and other cranial nerves and the spinal cord.[3]. Evidence suggests it is useful for neuropathic pain[4] and treatment-resistant major depressive disorder.[4][5] A 2015 Cochrane review found ...
Magnetic flux threading a single-walled carbon nanotube (SWNT) is predicted to influence its electronic structure through the Aharonov-Bohm (AB) effect, causing bandgap oscillations and absorption peaks splitting. In order to verify these predictions, near infrared (NIR) photoluminescence (PL) and visible-NIR absorption in the Voigt geometry were measured at room temperature in external magnetic field (B) up to 74 T. The used aqueous surfactant solubilized SWNT samples show excitonic interband absorption peaks coming from a range of nanotube chiralities present in the sample. At fields B , 30 T, PL peaks showed red shifts and changes in peak widths. Magneto-PL spectra were successfully simulated, demonstrating that the observed spectral changes can be understood in terms of magnetic alignment of SWNTs (due to their predicted anisotropy magnetic properties) and B dependent changes of the bandgap due to the AB ...
Shop online for Pressure Washers at Sportsmans Guide. Checkout both Electric Power Washers and Gas Pressure Washers at low prices, guaranteed!
TY - JOUR. T1 - Spatial heterogeneity of transmembrane potential responses of single guinea-pig cardiac cells during electric field stimulation. AU - Sharma, Vinod. AU - Tung, Leslie. PY - 2002/7/15. Y1 - 2002/7/15. N2 - Changes in transmembrane voltage (Vm) of cardiac cells during electric field stimulation have a complex spatial- and time-dependent behaviour that differs significantly from electrical stimulation of space-clamped membranes by current pulses. A multisite optical mapping system was used to obtain 17 or 25 μm resolution maps of Vm along the long axis of guinea-pig ventricular cells (n = 57) stained with voltage-sensitive dye (di-8-ANEPPS) and stimulated longitudinally with uniform electric field (2, 5 or 10 ms, 3-62 V cm-1) pulses (n = 201). The initial polarizations of Vm responses (Vmr) varied linearly along the cell length and reversed symmetrically upon field reversal. The remainder of the Vm responses had parallel time ...
An apparatus and method for carrying out the affinity separation of a target substance from a liquid test medium by mixing magnetic particles having surface immobilized ligand or receptor within the test medium to promote an affinity binding reaction between the ligand and the target substance. The test medium with the magnetic particles in a suitable container is removably mounted in an apparatus that creates a magnetic field gradient in the test medium. This magnetic gradient is used to induce the magnetic particles to move, thereby effecting mixing. The mixing is achieved either by movement of a magnet relative to a stationary container or movement of the container relative to a stationary magnet. In either case, the magnetic particles experience a continuous angular position change with the magnet. Concurrently with the relative angular movement between the magnet and the magnetic ...
The vector stencils library Inductors contains 41 symbols of inductor elements for drawing electronic circuit diagrams. |br|An inductor, also called a coil or reactor, is a passive two-terminal electrical component which resists changes in electric current passing through it. It consists of a conductor such as a wire, usually wound into a coil. When a current flows through it, energy is stored temporarily in a magnetic field in the coil. When the current flowing through an inductor changes, the time-varying magnetic field induces a voltage in the conductor, according to Faradays law of electromagnetic induction, which opposes the change in current that created it. |br|An inductor is characterized by its inductance, the ratio of the voltage to the rate of change of current, which has units of henries (H). Inductors have values that typically range from 1 µH (10-6H) to 1 H. Many inductors have a magnetic ...

The Potential Bioeffects of Extremely Low Frequency Electromagnetic Fields on Melatonin Levels & Related Oxidative Stress in...The Potential Bioeffects of Extremely Low Frequency Electromagnetic Fields on Melatonin Levels & Related Oxidative Stress in...

... substations generate low frequency electromagnetic fields similar to those emitted from over head power lines and electrical ... The present study is focused on assessing the potential bioeffects of Extremely Low Frequency Electromagnetic Fields (ELF-EMFs ... The ELFEMFs exposed subjects (n = 142) included the electric utility workers, who were compared with age, and socioeconomic ... "Magnetic Fields and Melatonin: A Study of Workers Chronically Exposed to 50 Hz Magnetic Fields," American Journal of Physiology ...
more infohttp://www.scirp.org/journal/PaperInformation.aspx?PaperID=39886

Bone Sonometers - Class II Special Controls Guidance for Industry and FDA Staff | FDABone Sonometers - Class II Special Controls Guidance for Industry and FDA Staff | FDA

low-frequency magnetic fields. *quasi-static electric fields.. [Back to Top]. 9. Acoustic Intensity. FDA recommends that you ... 8. Electromagnetic Compatibility. Electromagnetic compatibility (EMC) encompasses both:. *emissions (interference with other ... 7. Electrical Safety. We recommend that you evaluate the electrical safety of your device and its ability to function after ... device will perform as expected in the presence of other electrical and electronic devices or other sources of electromagnetic ...
more infohttps://www.fda.gov/medical-devices/guidance-documents-medical-devices-and-radiation-emitting-products/bone-sonometers-class-ii-special-controls-guidance-industry-and-fda-staff

Ask Your Doctor About: Pulsed Electromagnetic Field Therapy  | The Dr. Oz ShowAsk Your Doctor About: Pulsed Electromagnetic Field Therapy | The Dr. Oz Show

Pulsed electromagnetic field therapy is a new approach to pain management that uses magnets to create pulsing, moving energy. ... including electrical and electromagnetic fields. New studies show that with the proper field intensity and frequency, treatment ... which utilized a continuous electromagnetic field to produce heat in soft tissue. A moving - or resonating - magnetic field can ... Ask Your Doctor About: Pulsed Electromagnetic Field Therapy Pulsed electromagnetic field therapy is a new approach to pain ...
more infohttp://www.doctoroz.com/article/ask-your-doctor-about-pulsed-electromagnetic-field-therapy

Very low frequency electromagnetic field exposure linked to motor neurone disease | EurekAlert! Science NewsVery low frequency electromagnetic field exposure linked to motor neurone disease | EurekAlert! Science News

Workplace exposure to very low frequency electromagnetic fields may be linked to a doubling in risk of developing the most ... extremely low frequency magnetic fields and electric shocks, using a validated technique (job exposure matrices). ... High levels of electromagnetic field exposure were largely confined to the men, and depended on job type. These ranged from 2- ... Very low frequency electromagnetic field exposure linked to motor neurone disease Association evident among men exposed through ...
more infohttps://www.eurekalert.org/pub_releases/2017-03/b-vlf032817.php

Pulsed Electromagnetic Field Therapy: Innovative Treatment for Diabetic NeuropathyPulsed Electromagnetic Field Therapy: Innovative Treatment for Diabetic Neuropathy

Learn how pulsed electromagnetic field therapy can help reduce pain and inflammation in patients with diabetic neuropathy. ... Pulsed magnetic field therapy in refractory neuropathic pain secondary to peripheral neuropathy: electrodiagnostic parameters- ... While all these factors play an important role in cell health, the electrical health of cells is one of the most critical of ... Pulsed Electromagnetic Field (PEMF) therapy is a safe, and non-invasive way to reduce pain and inflammation. It can be used to ...
more infohttps://www.practicalpainmanagement.com/treatments/interventional/stimulators/pulsed-electromagnetic-field-therapy-innovative-treatment

PEMF in NYC: Pulsed Electromagnetic Field  TherapyPEMF in NYC: Pulsed Electromagnetic Field Therapy

Pulsed Electromagnetic Field Therapy) in New York City used for pain, neuralgia and depression. PEMF therapy charges your body ... Effects of Magnetic Pulse Electromagnetic Therapy have been studied in:. Alzheimers Disease • Amyotropic Lateral Sclerosis • ... PEMF stimulates most of the electrical and chemical processes in the tissues. PEMF machine in our NYC office positively ... All human cells produce electromagnetic fields. Every organ in the body produces its own electromagnetic field. ITs ...
more infohttps://www.newyorkacupuncturecenter.com/-pemf-therapy.html

Impacts of extremely low-frequency electromagnetic fields (50-Hz) on growth performance and survival rate of common carp,...Impacts of extremely low-frequency electromagnetic fields (50-Hz) on growth performance and survival rate of common carp,...

All organisms are probably exposed to different types of electromagnetic fields (EMFs). This study is an attempt to evaluate ... Biologic effects of prolonged exposure to ELF electromagnetic fields in rats: II. 50 Hz magnetic fields. Bioelectromagnetics. ... Stimulation of growth factor synthesis by electric and electromagnetic fields. Clinical Orthopaedics, 419: 30-37. ... Biologic effects of prolonged exposure to ELF electromagnetic fields in rats. III. 50 Hz electromagnetic fields. ...
more infohttp://cjes.guilan.ac.ir/article_2637.html

Impacts of extremely low-frequency electromagnetic fields (50-Hz) on growth performance and survival rate of common carp,...Impacts of extremely low-frequency electromagnetic fields (50-Hz) on growth performance and survival rate of common carp,...

All organisms are probably exposed to different types of electromagnetic fields (EMFs). This study is an attempt to evaluate ... Biologic effects of prolonged exposure to ELF electromagnetic fields in rats: II. 50 Hz magnetic fields. Bioelectromagnetics. ... Stimulation of growth factor synthesis by electric and electromagnetic fields. Clinical Orthopaedics, 419: 30-37. ... Biologic effects of prolonged exposure to ELF electromagnetic fields in rats. III. 50 Hz electromagnetic fields. ...
more infohttp://journals.guilan.ac.ir/article_2637.html

Responsive to non-electrical signal (e.g., chemical, stress, light, or magnetic field sensors) > Electromagnetic or particle...Responsive to non-electrical signal (e.g., chemical, stress, light, or magnetic field sensors) > Electromagnetic or particle...

... or magnetic field sensors) > Electromagnetic or particle radiation > Light > Schottky barrier (e.g., a transparent schottky ... Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Responsive to non-electrical signal (e.g., chemical ... Detector for electromagnetic radiation, pixel structure with high sensitivity using such detector and method of manufacturing ...
more infohttp://www.patentgenius.com/class/257/450.html

OSA | Discontinuous electromagnetic fields using orthogonal electric and magnetic currents for wavefront manipulationOSA | Discontinuous electromagnetic fields using orthogonal electric and magnetic currents for wavefront manipulation

... magnetic currents create an electric field which curls around the current imposing a discontinuity in the magnetic field ... Discontinuous electromagnetic fields using orthogonal electric and magnetic currents for wavefront manipulation Michael ... Michael Selvanayagam and George V. Eleftheriades, "Discontinuous electromagnetic fields using orthogonal electric and magnetic ... electric currents create a magnetic field which curls around the current thus imposing a discontinuity in the magnetic field on ...
more infohttps://www.osapublishing.org/oe/abstract.cfm?uri=oe-21-12-14409

2012-13 Annual Report - Part 3: Report on Performance | ARPANSA2012-13 Annual Report - Part 3: Report on Performance | ARPANSA

... field_deltas:{},attributes:{title:Download Part 3,class:fil ... Monitor Population Exposures to Electric and Magnetic Fields and Electromagnetic Radiation (EMR). ARPANSA continued to provide ... Extremely Low Frequency (ELF) Electric and Magnetic Fields Project. Following the March 2011 decision by the Radiation Health ... studies on the potential adverse health effects of exposure to electric and magnetic fields and radiofrequency electromagnetic ...
more infohttps://www.arpansa.gov.au/about-us/corporate-publications/annual-reports/annual-report-2012-13/part-3

Survival craft texture packs, power blackout horsham, magnetic permeability of electrical steel, pulsed electromagnetic field...Survival craft texture packs, power blackout horsham, magnetic permeability of electrical steel, pulsed electromagnetic field...

... lcd tv magnetic shielding necessary, emergency operations plan for university, power blackout horsham, natural disaster safety ... A power inverter, which turns DC current from your vehicle into AC current for electric gadgets, is the next best thing to a ... The Ravens had led 28-6, but the previously sluggish San Francisco 49ers went on to score two touchdowns and a field goal in ... If your only heating source is an electrical heating system, you wont be able to warm yourself if a blackout occurs during the ...
more infohttp://s3-us-west-1.amazonaws.com/plansdouble/power-blackout-horsham.html

Magnetic FieldsMagnetic Fields

2. Guidelines for limiting exposure to time-varying electric, magnetic and electromagnetic fields (up to 300GHz). Health ... Magnetic Fields Direct effects of exposure to large static magnetic fields include vertigo, nausea, cardiac arrhythmia and ... Magnetic field flux density gradient maps should be created by taking field strength measurements and marking lines around ... Notices must be posted where appropriate to warn staff of the presence of the magnetic field and of the possibility that it may ...
more infohttps://warwick.ac.uk/services/healthsafetywellbeing/guidance/staticmagneticfields

ES4 PHY158 - ES4 Equipotential Surfaces and Electric Field Lines PHY 158 SECTION V Procedure V-0 We will use the three patterns...ES4 PHY158 - ES4 Equipotential Surfaces and Electric Field Lines PHY 158 SECTION V Procedure V-0 We will use the three patterns...

ES4: Equipotential Surfaces and Electric Field Lines PHY 158 SECTION V: Procedure V-0: We will use the three patterns shown in ... Electric Potential, Magnetic Field, Electric charge, Electromagnetic field * Click to edit the document details ... ES4: Equipotential Surfaces and Electric Field Lines PHY 158 SECTION V: Procedure V-0: We will use the three patterns shown in ... 1 to study equipotential surfaces and electric field lines. The patterns are pre-drawn on separate sheets of graphite paper ...
more infohttps://www.coursehero.com/file/6010447/ES4-PHY158/

Top Treatments - Mihaela Catalina Stanciu Foundation for LifeTop Treatments - Mihaela Catalina Stanciu Foundation for Life

Electric and Electro-Magnetic Fields & Cancer Treatment. 60 Comments This is a fascinating field in cancer treatment. While ... In this context, field based solutions for cancer treatment have even been approved recently by FDA. Continue reading Electric ... Curcumin: A Star in Cancer Treatment Field. 73 Comments Summary: When searching for some of the most effective anti cancer ... various electro-magnetic-wave-based solutions have been proposed during the past century to treat cancer, only recently this ...
more infohttps://www.cancertreatmentsresearch.com/category/treatments/

Boğaziçi University - Department of PhysicsBoğaziçi University - Department of Physics

Electric current, magnetic field of steady current, electromagnetic induction, magnetic properties of matter, magnetic energy. ... Interaction of atoms with static electric and magnetic fields and with electromagnetic radiation. Hyperfine structure. Exotic ... Multipole expansions of the radiation field: electric dipole, magnetic dipole and electric quadruple radiation. Waveguides and ... Electrodynamics, special theory of relativity and transformations of the electric and magnetic fields.. Prerequisite: PHYS 401 ...
more infohttp://www.boun.edu.tr/en_US/Content/Academic/Undergraduate_Catalogue/Faculty_of_Arts_and_Sciences/Department_of_Physics

WebAssign - 
College Physics 1st editionWebAssign - College Physics 1st edition

22.2: In an electromagnetic plane wave, electric and magnetic fields both oscillate (13) ... 19.5: Magnetic fields exert forces on current-carrying wires (6). *19.6: A magnetic field can exert a torque on a current loop ... 20.2: A changing magnetic flux creates an electric field (3). *20.3: Lenzs law describes the direction of the induced emf (5) ... 22.4: Electromagnetic waves carry both electric and magnetic energy, and come in packets called photons (2) ...
more infohttp://webassign.net/features/textbooks/frkestencp1/details.html?l=subject

SIGMA-NOT - PORTAL INFORMACJI TECHNICZNEJ - Najwi ksza baza artyku  w technicznych onlineSIGMA-NOT - PORTAL INFORMACJI TECHNICZNEJ - Najwi ksza baza artyku w technicznych online

Keywords: plasma reactor, electric and magnetic field strength, electromagnetic compatibility. Wst.p Jedn. z metod oczyszczania ... International Symposium on Electromagnetic Fields in Electrical Engineering - ISEF09 In this issue of ELECTRICAL REVIEW ... The emission of the electric and magnetic fields from the GlidArc plasma reactor). S.owa kluczowe: reaktor plazmowy, nat..enia ... we present the selected papers that were presented at the International Symposium on Electromagnetic Fields in Electrical ...
more infohttp://www.sigma-not.pl/rocznik-2010-48-null.html

Xpert search results for Introduction to microeconXpert search results for Introduction to microecon

Figure 10 shows the electric and magnetic field in a plane-polarized electromagnetic wave. In any electromagnetic radiation, ... 7.3 Polarization of electromagnetic radiation. So far we have described electromagnetic radiation in terms of its wavelength, ...
more infohttps://www.nottingham.ac.uk/xpert/scoreresults.php?keywords=Introduction%20to%20microecon&start=5600&end=5620

Xpert search results for Statistics - an intuitive introduction : intXpert search results for Statistics - an intuitive introduction : int

Figure 10 shows the electric and magnetic field in a plane-polarized electromagnetic wave. In any electromagnetic radiation, ... 7.3 Polarization of electromagnetic radiation. So far we have described electromagnetic radiation in terms of its wavelength, ...
more infohttps://www.nottingham.ac.uk/xpert/scoreresults.php?end=3800&keywords=Statistics%20-%20an%20intuitive%20introduction%20:%20int&start=5880&end=5900

Vortex photons from electrons in circular motion | EurekAlert! Science NewsVortex photons from electrons in circular motion | EurekAlert! Science News

It paves a way to a completely new research field, natural vortex photon science. ... This greatly broadens application spectra of the vortex photons in the field of physical science. Moreover, the finding ... As sometimes it is called an electromagnetic wave, electric and magnetic fields are oscillating and the oscillations are ... An undulator produces an alternating magnetic field and high energy electrons undergo sinusoidal or spiral motions and radiate ...
more infohttps://www.eurekalert.org/pub_releases/2017-07/nion-vpf072017.php

CDC - NIOSH Publications and Products - Radiofrequency (RF) Sealers and Heaters (80-107)CDC - NIOSH Publications and Products - Radiofrequency (RF) Sealers and Heaters (80-107)

the strengths of the electric and magnetic fields - the intensity of electromagnetic forces ... For electric and magnetic fields: *Electric field strength probe, Model 8644. *Magnetic field strength probes, Model 8635 or ... In the near field, measurements of both the electric and the magnetic fields are necessary to properly characterize worker ... Instruments are now commercially available to make near-field measurements of the electric and magnetic fields. Users should ...
more infohttps://www.cdc.gov/niosh/docs/80-107/default.html

PPT - Unit 9 - Waves & Optics PowerPoint Presentation - ID:1554375PPT - Unit 9 - Waves & Optics PowerPoint Presentation - ID:1554375

Electromagnetic waves is a transverse wave consisting of oscillating electric and magnetic fields at right angles to each other ... Electromagnetic waves is a transverse wave consisting of oscillating electric and magnetic fields at right angles to each other ... Electromagnetic waves is a transverse wave consisting of oscillating electric and magnetic fields at right angles to each other ... Electromagnetic Spectrum oscillating electric and magnetic fields at right angles to each other. ...
more infohttps://www.slideserve.com/zulema/unit-9-waves-optics
  • Workplace exposure to very low frequency electromagnetic fields may be linked to a doubling in risk of developing the most common form of motor neurone disease--amyotrophic lateral sclerosis, or ALS for short--suggests research published online in Occupational & Environmental Medicine . (eurekalert.org)
  • As a tensor is a generalization of a scalar (a pure number representing a value, like length) and a vector (a geometrical arrow in space), a tensor field is a generalization of a scalar field or vector field that assigns, respectively, a scalar or vector to each point of space. (wikipedia.org)
  • For example, the Riemann curvature tensor is not a tensor, as the name implies, but a tensor field: It is named after Bernhard Riemann, and associates a tensor to each point of a Riemannian manifold, which is a topological space. (wikipedia.org)
  • Tensor fields are used in differential geometry, algebraic geometry, general relativity, in the analysis of stress and strain in materials, and in numerous applications in the physical sciences. (wikipedia.org)
  • Peter John Lawrenson, BSc, MSc, DSc, FIEE, FIEEE, FRS, FREng (12 March 1933 - 27 October 2017) was an Emeritus Professor of Electrical Engineering at the University of Leeds who contributed to the development of switched reluctance drive technology. (wikipedia.org)
  • He remained at Leeds for 30 years, being promoted to Reader in 1965 and Professor of Electrical Engineering in 1966. (wikipedia.org)
  • Students that are invited to participate in this program will examine the unique and integrated nature of sub-organismal, organismal and supra-organismal sub-disciplines of the field of biology through discussions and demonstrations of the scientific method and experimental approaches used across breadth of biology. (bradley.edu)
  • The flexibility provided by several field options enables students to pursue subsequent professional work in physics or astrophysics, as well as in applied physics in areas such as electronics, medicine, or computational physics. (boun.edu.tr)
  • Physics students are expected to appreciate knowledge in fields other than physics. (boun.edu.tr)
  • In mathematics and physics, a tensor field assigns a tensor to each point of a mathematical space (typically a Euclidean space or manifold). (wikipedia.org)
  • Magnetic field flux density gradient 'maps' should be created by taking field strength measurements and marking lines around the source (e.g. tape or draw lines on the floor). (warwick.ac.uk)
  • if the source charge is an electron then the field lines will expand as radial lines from that point. (physicsforums.com)
  • Now jiggle the electron, and watch what happens to the field lines: the lines will now originate from a new central point, but if you observe them at distance d=ct you will see the new old field lines 'kink' as the charge moves to the new position - and then settle into the new configuration. (physicsforums.com)
  • A dipole array is an active implementation to impose discontinuous fields while the impedance/admittance surface acts as a passive one. (osapublishing.org)
  • From the switching centre, it is moved into the copper-wire network as an electrical impulse and is decoded in a receiving telephone. (scribd.com)
  • It paves a way to a completely new research field, natural vortex photon science. (eurekalert.org)
  • A power inverter, which turns DC current from your vehicle into AC current for electric gadgets, is the next best thing to a generator. (amazonaws.com)
  • Pacemaker interference is unlikely to occur if wearers are not exposed to static magnetic flux densities greater than 0.5mT over the region of the trunk. (warwick.ac.uk)
  • From what i understand, electric field is a region where charged particles feel the coulomb forces. (physicsforums.com)
  • Intuitively, a vector field is best visualized as an "arrow" attached to each point of a region, with variable length and direction. (wikipedia.org)
  • The Edward S. Rogers Department of Electrical and Computer Engineering, 40. (osapublishing.org)
  • The department has a long tradition of commitment to undergraduate teaching, and a number of the faculty have achieved national and international prominence in their fields. (virginia.edu)
  • Lawrenson won the IEEE Edison Medal in 2005 For outstanding contributions to the field of electrical machines, most notably the development and commercialization of switched reluctance drives. (wikipedia.org)
  • They are encouraged to develop interests through courses offered by other departments and to deepen this interest in one disciplinary area by selecting courses in a specific distribution field. (boun.edu.tr)
  • are required to select four of their distribution electives from one of the following Distribution Fields . (boun.edu.tr)
  • On the other hand, a natural elementary process which is capable of producing vortex photons has not been known, except for a few theoretical proposals that normal photons may be converted to vortex photons in a strong gravitational field around a rotating black hall or as passing through inhomogeneous interstellar media. (eurekalert.org)
  • Or is it something like introducing electric field at points in space with varying magnitude? (physicsforums.com)
  • Given a vector bundle V over M, the corresponding field concept is called a section of the bundle: for m varying over M, a choice of vector vm in Vm, the vector space "at" m. (wikipedia.org)
  • We then expand on our previous work showing how electric and magnetic dipole arrays can be used to cloak an object demonstrating novel cloaking and anti-cloaking schemes. (osapublishing.org)
  • A covector field is a function v k {\displaystyle v_{k}} of the coordinates that transforms by the Jacobian of the transition functions (in the given class). (wikipedia.org)
  • The Ravens had led 28-6, but the previously sluggish San Francisco 49ers went on to score two touchdowns and a field goal in the third quarter. (amazonaws.com)
  • No need to being electrodynamics into it when the goal is to explain the basics of a propagating field. (physicsforums.com)
  • Injury due to the movement of metallic objects, such as scissors, within the field. (warwick.ac.uk)
  • The objective of this course is to educate students with all academic backgrounds in the field of nanoscience and technology, starting with discussing the basic principles and definitions associated with the nano world, the basic ideas of quantum mechanics, and the wide variety of applications of nanotechnology. (bradley.edu)