Air Movements: The motion of air currents.OhioIndianaMovement: The act, process, or result of passing from one place or position to another. It differs from LOCOMOTION in that locomotion is restricted to the passing of the whole body from one place to another, while movement encompasses both locomotion but also a change of the position of the whole body or any of its parts. Movement may be used with reference to humans, vertebrate and invertebrate animals, and microorganisms. Differentiate also from MOTOR ACTIVITY, movement associated with behavior.Beryllium: Beryllium. An element with the atomic symbol Be, atomic number 4, and atomic weight 9.01218. Short exposure to this element can lead to a type of poisoning known as BERYLLIOSIS.Berylliosis: A form of pneumoconiosis caused by inhaled rare metal BERYLLIUM or its soluble salts which are used in a wide variety of industry including alloys, ceramics, radiographic equipment, and vacuum tubes. Berylliosis is characterized by an acute inflammatory reaction in the upper airway leading to BRONCHIOLITIS; PULMONARY EDEMA; and pneumonia.Air: The mixture of gases present in the earth's atmosphere consisting of oxygen, nitrogen, carbon dioxide, and small amounts of other gases.Wireless Technology: Techniques using energy such as radio frequency, infrared light, laser light, visible light, or acoustic energy to transfer information without the use of wires, over both short and long distances.Electric Power Supplies: Devices that control the supply of electric current for running electrical equipment.Computer Communication Networks: A system containing any combination of computers, computer terminals, printers, audio or visual display devices, or telephones interconnected by telecommunications equipment or cables: used to transmit or receive information. (Random House Unabridged Dictionary, 2d ed)Telemetry: Transmission of the readings of instruments to a remote location by means of wires, radio waves, or other means. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Bioelectric Energy Sources: Electric power supply devices which convert biological energy, such as chemical energy of metabolism or mechanical energy of periodic movements, into electrical energy.Remote Sensing Technology: Observation and acquisition of physical data from a distance by viewing and making measurements from a distance or receiving transmitted data from observations made at distant location.Amplifiers, Electronic: Electronic devices that increase the magnitude of a signal's power level or current.Equipment Design: Methods of creating machines and devices.Transducers: Any device or element which converts an input signal into an output signal of a different form. Examples include the microphone, phonographic pickup, loudspeaker, barometer, photoelectric cell, automobile horn, doorbell, and underwater sound transducer. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)Science: The study of natural phenomena by observation, measurement, and experimentation.Universities: Educational institutions providing facilities for teaching and research and authorized to grant academic degrees.Research: Critical and exhaustive investigation or experimentation, having for its aim the discovery of new facts and their correct interpretation, the revision of accepted conclusions, theories, or laws in the light of newly discovered facts, or the practical application of such new or revised conclusions, theories, or laws. (Webster, 3d ed)Air Pollution, Indoor: The contamination of indoor air.Air Pollutants: Any substance in the air which could, if present in high enough concentration, harm humans, animals, vegetation or material. Substances include GASES; PARTICULATE MATTER; and volatile ORGANIC CHEMICALS.Biological Science Disciplines: All of the divisions of the natural sciences dealing with the various aspects of the phenomena of life and vital processes. The concept includes anatomy and physiology, biochemistry and biophysics, and the biology of animals, plants, and microorganisms. It should be differentiated from BIOLOGY, one of its subdivisions, concerned specifically with the origin and life processes of living organisms.Coal Ash: Residue generated from combustion of coal or petroleum.Particulate Matter: Particles of any solid substance, generally under 30 microns in size, often noted as PM30. There is special concern with PM1 which can get down to PULMONARY ALVEOLI and induce MACROPHAGE ACTIVATION and PHAGOCYTOSIS leading to FOREIGN BODY REACTION and LUNG DISEASES.Technology: The application of scientific knowledge to practical purposes in any field. It includes methods, techniques, and instrumentation.Particle Size: Relating to the size of solids.Air Pollution: The presence of contaminants or pollutant substances in the air (AIR POLLUTANTS) that interfere with human health or welfare, or produce other harmful environmental effects. The substances may include GASES; PARTICULATE MATTER; or volatile ORGANIC CHEMICALS.Chronology as Topic: The temporal sequence of events that have occurred.Sound: A type of non-ionizing radiation in which energy is transmitted through solid, liquid, or gas as compression waves. Sound (acoustic or sonic) radiation with frequencies above the audible range is classified as ultrasonic. Sound radiation below the audible range is classified as infrasonic.Telephone: An instrument for reproducing sounds especially articulate speech at a distance. (Webster, 3rd ed)Diffusion Magnetic Resonance Imaging: A diagnostic technique that incorporates the measurement of molecular diffusion (such as water or metabolites) for tissue assessment by MRI. The degree of molecular movement can be measured by changes of apparent diffusion coefficient (ADC) with time, as reflected by tissue microstructure. Diffusion MRI has been used to study BRAIN ISCHEMIA and tumor response to treatment.Medicine, Tibetan Traditional: A system of traditional medicine which is based on the beliefs and practices of the Tibetan culture.Ownership: The legal relation between an entity (individual, group, corporation, or-profit, secular, government) and an object. The object may be corporeal, such as equipment, or completely a creature of law, such as a patent; it may be movable, such as an animal, or immovable, such as a building.Dust: Earth or other matter in fine, dry particles. (Random House Unabridged Dictionary, 2d ed)Vehicle Emissions: Gases, fumes, vapors, and odors escaping from the cylinders of a gasoline or diesel internal-combustion engine. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed & Random House Unabridged Dictionary, 2d ed)

Influence of crossdrafts on the performance of a biological safety cabinet. (1/301)

A biological safety cabinet was tested to determine the effect of crossdrafts (such as those created by normal laboratory activity or ventilation) upon the ability of the cabinet to protect both experiments and investigators. A simple crossdraft, controllable from 50 to 200 feet per min (fpm; 15.24 to 60.96 m/min), was created across the face of the unit. Modifications of standardized procedures involving controlled bacterial aerosol challenges provided stringent test conditions. Results indicated that, as the crossflow velocities exceeded 100 fpm, the ability of the cabinet to protect either experiments or investigators decreased logarithmically with increasing crossdraft speed. Because 100 fpm is an airspeed easily achieved by some air conditioning and heating vents (open windows and doorways may create velocities far in excess of 200 fpm), the proper placement of a biological safety cabinet within the laboratory--away from such disruptive air currents--is essential to satisfactory cabinet performance.  (+info)

Neural mapping of direction and frequency in the cricket cercal sensory system. (2/301)

Primary mechanosensory receptors and interneurons in the cricket cercal sensory system are sensitive to the direction and frequency of air current stimuli. Receptors innervating long mechanoreceptor hairs (>1000 microm) are most sensitive to low-frequency air currents (<150 Hz); receptors innervating medium-length hairs (900-500 microm) are most sensitive to higher frequency ranges (150-400 Hz). Previous studies demonstrated that the projection pattern of the synaptic arborizations of long hair receptor afferents form a continuous map of air current direction within the terminal abdominal ganglion (). We demonstrate here that the projection pattern of the medium-length hair afferents also forms a continuous map of stimulus direction. However, the afferents from the long and medium-length hair afferents show very little spatial segregation with respect to their frequency sensitivity. The possible functional significance of this small degree of spatial segregation was investigated, by calculating the relative overlap between the long and medium-length hair afferents with the dendrites of two interneurons that are known to have different frequency sensitivities. Both interneurons were shown to have nearly equal anatomical overlap with long and medium hair afferents. Thus, the differential overlap of these interneurons with the two different classes of afferents was not adequate to explain the observed frequency selectivity of the interneurons. Other mechanisms such as selective connectivity between subsets of afferents and interneurons and/or differences in interneuron biophysical properties must play a role in establishing the frequency selectivities of these interneurons.  (+info)

Modeling breathing-zone concentrations of airborne contaminants generated during compressed air spray painting. (3/301)

This paper presents a mathematical model to predict breathing-zone concentrations of airborne contaminants generated during compressed air spray painting in cross-flow ventilated booths. The model focuses on characterizing the generation and transport of overspray mist. It extends previous work on conventional spray guns to include exposures generated by HVLP guns. Dimensional analysis and scale model wind-tunnel studies are employed using non-volatile oils, instead of paint, to produce empirical equations for estimating exposure to total mass. Results indicate that a dimensionless breathing zone concentration is a nonlinear function of the ratio of momentum flux of air from the spray gun to the momentum flux of air passing through the projected area of the worker's body. The orientation of the spraying operation within the booth is also very significant. The exposure model requires an estimate of the contaminant generation rate, which is approximated by a simple impactor model. The results represent an initial step in the construction of more realistic models capable of predicting exposure as a mathematical function of the governing parameters.  (+info)

Discharge profiles of abducens, accessory abducens, and orbicularis oculi motoneurons during reflex and conditioned blinks in alert cats. (4/301)

The discharge profiles of identified abducens, accessory abducens, and orbicularis oculi motoneurons have been recorded extra- and intracellularly in alert behaving cats during spontaneous, reflexively evoked, and classically conditioned eyelid responses. The movement of the upper lid and the electromyographic activity of the orbicularis oculi muscle also were recorded. Animals were conditioned by short, weak air puffs or 350-ms tones as conditioned stimuli (CS) and long, strong air puffs as unconditioned stimulus (US) using both trace and delayed conditioning paradigms. Motoneurons were identified by antidromic activation from their respective cranial nerves. Orbicularis oculi and accessory abducens motoneurons fired an early, double burst of action potentials (at 4-6 and 10-16 ms) in response to air puffs or to the electrical stimulation of the supraorbital nerve. Orbicularis oculi, but not accessory abducens, motoneurons fired in response to flash and tone presentations. Only 10-15% of recorded abducens motoneurons fired a late, weak burst after air puff, supraorbital nerve, and flash stimulations. Spontaneous fasciculations of the orbicularis oculi muscle and the activity of single orbicularis oculi motoneurons that generated them also were recorded. The activation of orbicularis oculi motoneurons during the acquisition of classically conditioned eyelid responses happened in a gradual, sequential manner. Initially, some putative excitatory synaptic potentials were observed in the time window corresponding to the CS-US interval; by the second to the fourth conditioning session, some isolated action potentials appeared that increased in number until some small movements were noticed in eyelid position traces. No accessory abducens motoneuron fired and no abducens motoneuron modified their discharge rate for conditioned eyelid responses. The firing of orbicularis oculi motoneurons was related linearly to lid velocity during reflex blinks but to lid position during conditioned responses, a fact indicating the different neural origin and coding of both types of motor commands. The power spectra of both reflex and conditioned lid responses showed a dominant peak at approximately 20 Hz. The wavy appearance of both reflex and conditioned eyelid responses was clearly the result of the high phasic activity of orbicularis oculi motor units. Orbicularis oculi motoneuron membrane potentials oscillated at approximately 20 Hz after supraorbital nerve stimulation and during other reflex and conditioned eyelid movements. The oscillation seemed to be the result of both intrinsic (spike afterhyperpolarization lasting approximately 50 ms, and late depolarizations) and extrinsic properties of the motoneuronal pool and of the circuits involved in eye blinks.  (+info)

Demographic variation in cancer in relation to industrial and environmental influence. (5/301)

Mortality data (183,064 deaths in a 30-year period, 1940-1969) by sex and three ethnic groups (white excluding Spanish-surnamed, nonwhite, and Spanish-surnamed) in 15 regions within the city (Houston), grouped around the air pollution sample collection stations have been analyzed. Valid contrast studies were possible in only one region within the city for all three groups and in six regions for white excluding Spanish-surnamed and nonwhite. There is evidence that the environmental factors of exposure over time to air and industrial pollutants in Houston has had a demonstrable effect in increasing regional mortality from cancer of the respiratory tract as well as from all other diseases and conditions of the respiratory tract and heart disease. This study points out the need for mutually sustained collaboration of effort of the scientific and industrial communities to redirect their attention and research efforts to the exploration of the carcinogenic potential of the microchemical environment.  (+info)

The aerodynamics and hydrodynamics of plants. (6/301)

Because they grow away from their substratum to compete for light, plants have to withstand hydrodynamic or aerodynamic drag. Both water and land plants reconfigure in response to this drag, and this is presumed to reduce the risk of mechanical failure. However, there is little unequivocal evidence of drag reduction in large trees as a result of reconfiguration. Land plants must also transport water internally to their tissues, and many have developed xylem tracheids and vessels that help speed up this process. Recent evidence that tree height is limited by water supply suggests that water transport efficiency must be a crucial element in tree design. However, the resistance of many parts of the xylem is still unknown. More focused work is urgently required to shed light on the evolution and ecology of plants in relation to the flow of fluids.  (+info)

Airborne infection in a fully air-conditioned hospital. I. Air transfer between rooms. (7/301)

Measurements have been made of the extent of air exchange between patient rooms in a fully air-conditioned hospital using a tracer-gas method. When the rooms were ventilated at about six air changes per hour, had an excess airflow through the doorway of about 0.1 m.3/sec. and the temperature difference between rooms and corridor was less than 0.5 degrees C., concentrations of the tracer in rooms close to that in which it was being liberated were 1000-fold less than that in the source room. This ratio fell to about 200-fold in the absence of any excess airflow through the doorways. Considerable dilution took place along the corridors so that the concentration fell by around 10-fold for every 10 m. of corridor.  (+info)

Airborne infection in a fully air-conditioned hospital. II. Transfer of airborne particles between rooms resulting from the movement of air from one room to another. (8/301)

Experiments were conducted simultaneously with gas and particle tracers to determine the relative loss of particles between source and recipient sites in the hospital ward units. The magnitude of this loss could be accounted for by the assumption of sedimentation from well-mixed air masses during the time required for movement between source and recipients sites. As a consequence of this loss the degree of isolation between patient rooms for airborne particles was between 4 and 25 times greater than that for gaseous contamination, which reflects the actual transport of air between the rooms. The design and construction of portable spinning-disk particle generators suitable for field studies is discussed.  (+info)

*Snoring

... is the vibration of respiratory structures and the resulting sound due to obstructed air movement during breathing ... The air that CPAP delivers is generally "normal air" - not concentrated oxygen. The machine utilizes the air pressure as an " ... The air pressure required to keep the airway open is delivered through this and it is attached to a CPAP machine which is like ... To keep the airway open, a device pumps a controlled stream of air through a flexible hose to a mask worn over the nose, mouth ...

*Air Movement and Control Association

... an A2LA accredited laboratory that tests air control and air movement devices for members of the air control and air movement ... The AMCA Certified Ratings Program (CRP) is a program which allows all manufacturers of air movement and air control devices to ... It applies to a fan or other air moving device when air is used as the test gas with the following exceptions: (a) air ... provides engineers with basic information regarding devices and engineering principles relevant to the air movement and air ...

*Clean Air India Movement

"Clean Air India Movement:nation-wide survey report". The Hindu. Retrieved 5 May 2015. "As it happened: Blueair Clean Air India ... Clean Air India Movement - a nationwide campaign to spread awareness about air pollution - has started from Gurgaon. The ... Clean Air India Movement, launched the "Save Your Lungs" campaign to increase awareness of the ill-effects of rising air- ... "Clean Air India Movement won Energy and Environment Foundation Global Environment Award 2016". "Air Quality Monitoring App". ...

*Fifi, Fev & Byron

"Fox announce off-air movements". Radio Today. Retrieved 2016-05-25. "Melbourne's Funniest New Breakfast Show on The Fox with ... The show airs from 6am to 9am on weekday mornings with music and daily topic discussions and special guests. A daily podcast ...

*List of New Zealand military bases

Air Movements Rongotai, Wellington International Airport, Wellington. Air Movements Harewood, Christchurch International ... "ROYAL NEW ZEALAND AIR FORCE EXPANSION AND DISPERSAL OF STORES DEPOTS". victoria.ac.nz. Retrieved 28 Sep 2016. www.nzdf.mil.nz ... New Zealand Army and Royal New Zealand Air Force see also Naval bases of the Royal New Zealand Navy Devonport Naval Base, ...

*Limbo Boots

1. Lepidoptera 2. Ringo 3. New Definition 4. Water Movement 5. On Stolen Breath 6. Kat's Tune 7. Mulche's Odyssey 8. Air ... Movement 9. Packin' Junk 10. Four Winds 11. Fraction Ictus 12. Blueprints Jake Cinninger: guitar, vocals Kahlil Smylie: bass ...

*Glossary of spider terms

... used to detect air movements, including sounds; → seta, spine Trochanter → segments Unidentate: Having a single tooth Venter ( ... that are primarily movement detectors and have the light-detecting units (rhabdomeres) pointing away from the source; → main ...

*RAF Lyneham

... Old Boys Association (LOBA) RAF Movements and Mobile Air Movements Squadrons Association UKMAMS Old Bods ... UK Mobile Air Movements Squadron "RAF Lyneham". raf.mod.uk. Archived from the original on 23 February 2013. Airport information ... Royal Air Force Lyneham otherwise known as RAF Lyneham (IATA: LYE, ICAO: EGDL) was a Royal Air Force station located 6.3 miles ... 1 Air Mobility Wing RAF List of former Royal Air Force stations "RAF Lyneham farewell parade for departure of squadrons". BBC ...

*Seawater greenhouse

Fans control air movement. Seawater trickles down over the lattice, cooling and humidifying the air passing through into the ... The temperature difference causes fresh water to condense out of the air stream. The volume of fresh water is determined by air ... This humid air is `lost´ due to high rates of ventilation to keep the crops cool and supplied with CO2. The higher humidity ... Seawater that has been heated in the roof passes through a second evaporator creating hot, saturated air which then flows ...

*Hartzell Propeller

Hartzell Air Movement (2012). "Annual Report". Retrieved 17 January 2014. Computerized Heritage Association (1999). "Memiors of ... Louis Trophy Race at the 1923 International Air Meet. An alteration to the wings resulted in the improved FC-2 model, which won ... In 1994, the company held the first Friends of Hartzell Air Show in Piqua, Ohio. for which Hartzell developed its first ... General Aviation News (29 July 2013). "Hartzell Top Prop 20,000 Ready to Take to the Air". Retrieved 22 January 2014. Hartzell ...

*Radiation effects from the Fukushima Daiichi nuclear disaster

"Forecast of air movement". Finnish Meteorological Institute. 19 March 2011. "Fukushima - Atmospheric Transport". Transport.nilu ... US air-filter and dust samples did not contain "hot" particles, except for air samples collected in Seattle, Washington in ... Norwegian Institute for Air Research have continuous forecasts of the radioactive cloud and its movement. These are based on ... These elements have been released into the air via steam; and into the water leaking into groundwater or the ocean. The expert ...

*No. 212 Squadron RAF

Gale, Tony (2012). "RAF Masirah". UK Mobile Air Movements Squadron Association. Retrieved 24 November 2014. Rickard, J. (15 ... Bibliography Halley, James J. (1980). The Squadrons of the Royal Air Force. Tonbridge, Kent, UK: Air Britain (Historians) Ltd. ... 212 Squadron RAF is an inactive squadron of the British Royal Air Force. The squadron was first formed as No. 12 Squadron of ... The squadron was reformed on 22 October 1942 to operate the Catalina in the air-sea rescue and anti-submarine warfare role over ...

*James Lovelock

Lovelock, J. E. (1971). "Atmospheric Fluorine Compounds as Indicators of Air Movements". Nature. 230 (5293): 379. doi:10.1038/ ... He found the gas in each of the 50 air samples that he collected but, not realising that the breakdown of CFCs in the ... In an April 2012 interview, aired on MSNBC, Lovelock stated that he had been "alarmist", using the words "All right, I made a ... You can't win people round by saying they are guilty for putting (carbon dioxide) in the air." In the MSNBC article Lovelock is ...

*Moss Airport, Rygge

On 9 September, the ministry increased the air movement ceiling to 21,000 movements per year. On 24 November, Ryanair announced ... Several regional airlines, such as Teddy Air, Air Stord and Coast Air, all stated that they could be interested in routes from ... Instead, the airport was limited to 15,000 air movements per year. The ministry stated that the rationale was that the ... Rygge Air Station is home to the 720 Squadron of the Royal Norwegian Air Force (NoRAF), which operates Bell 412 helicopters, ...

*Air Transport Auxiliary

ATA School Air Movements Flight ATA (1942-45) Advanced Flying Training School ATA (1942-45) Previously: ATA School Air ... with Wings Royal Air Force history site Diana Barnato Walker Royal Air Force history site Amy Johnson Fleet Air Arm Archive Air ... The total flying hours of the Air Movement Flight were 17,059, of which 8,570 were on domestic flights and 8,489 on overseas ... Total taxi hours amounted to 179,325, excluding Air Movements. Initially, to comply with the Geneva Convention, as many of the ...

*Oslo Airport, Gardermoen

Restrictions on air movements apply overnight from 23:00 to 06:00, although permitted if landing from and taking off to the ... The Royal Norwegian Air Force has an air base at Gardermoen, located at the north side of the passenger terminal at Oslo ... After World War II, the airport was taken over by the Norwegian Air Force and made the main air station. Three fighter and one ... Also at the premises is Gardermoen Air Station, operated by the Royal Norwegian Air Force. An expansion with a new terminal ...

*Windcatcher

"The wind factor in air movement". Natural Energy and Vernacular Architecture. nps.gov http://www.nps.gov/zion/learn/nature/zion ... The cooled air is drawn up through the windcatcher, again by the Coandă effect. On the whole, the cool air flows through the ... air is drawn upwards using the Coandă effect. The pressure differential on one side of the building causes air to be drawn down ... The hot air is brought down into the qanat tunnel and is cooled by coming into contact with the cool earth and cold water ...

*Metofluthrin

Effectiveness is reduced by air movement. Metofluthrin is neurotoxic, and is not meant to be applied directly to human skin. ...

*Stavanger Airport, Sola

The airport had 85 306 air movements and 4,501,368 passengers in 2015. Five airlines offered domestic flights to nine ... In addition, the Royal Norwegian Air Force operates Westland Sea King search and rescue helicopters from Sola Air Station. ... Sola Air Station has since been of vital importance for the Norwegian armed forces, but gradually lost assignments, and in 1982 ... Norwegian Air Shuttle has flown to Newcastle as well. Eastern Airways operating Embraer ERJ-145 and ERJ-135 regional jets and ...

*Gravity current

Lane-Serff, G. F. (1989). "Heat Flow and Air Movement in Buildings". PhD Thesis. University of Cambridge. Benjamin, T. B. (1968 ... In this case the cold air will first be felt by ones feet as a result of the outside air propagating as a gravity current along ... These occur when a door (or window) separates two rooms of different temperature and air exchanges are allowed to occur. This ... Doorway flows are of interest in the domain of natural ventilation and air conditioning/refrigeration and have been extensively ...

*521st Air Mobility Operations Wing

... is part of Air Mobility Command and is stationed at Ramstein Air Base, Germany. It coordinates logistical air movements into, ... 728th Air Mobility Squadron 729th Air Mobility Squadron 4th Expeditionary Air Mobility Squadron 5th Expeditionary Air Mobility ... Ninth Air Force operations in Europe) Fletcher, Harry R (1993). Air Force Bases, Vol. II, Air Bases Outside the United States ... Office of Air Force History. ISBN 0-912799-12-9. (86th Air Division organization) United States Air Force portal Military of ...

*Cattleya warscewiczii

Strong light and good air movement are required. The diploid chromosome number of C. warscewiczii has been determined as 2n = ...

*Vanda falcata

These roots are accustomed to excellent air movement. An adult in an optimal situation will produce numerous offsets. Within N ...

*Fractus cloud

Fractonimbus are a form of stratus fractus, developing under precipitation clouds due to turbulent air movement. They are dark- ... Scud are very common on the leading edge of a thunderstorm where warm, moist air is lifted by the gust front. Scud are usually ... In rainstorms, scud often form in the updraft area where the air has been cooled by precipitation from the downdraft, thus ... Observing fractus gives an indication of wind movements under the parent cloud. Masses of multiple fractus clouds, located ...

*Trondheim Airport, Værnes

In 2014, the airport had 4,416,681 passengers and 60,934 air movements, making it the fourth-busiest in the country. The ... Værnes Air Station is one of two air stations in Central Norway, the other being Ørland Main Air Station. There are no aircraft ... Ørland Main Air Station became the main air force base in Central Norway, and the majority of the armed air forces (with the ... The air traffic control at Værnes was established in 1946, after the air force had sent personnel to the United Kingdom for ...

*Socialist Sunday School

In the United States of America a radical Sunday School movement linked to the German-American socialist movement emerged in ... A few years later the Springburn branch met for many years in the Labour Party's Unity Hall in Ayr Street for the same reason. ... The Socialist education movement in America was closely connected with certain of the foreign language federations of the SPA, ... A national movement, the National Council of British Socialist Sunday Schools Union, formed in 1909, however, traces its origin ...

*Operation Vigilant Warrior

... deployed by air on orders to Camp Doha, Kuwait. Those elements completed the air movement within 48 hours. Within 72 hours, ... The FSSG FWD deployed 120 Marines and equipment from March Air Force Base, CA to Dhahran, Saudi Arabia via Air Force Cargo ... Others have argued that Saddam never intended to actually invade Kuwait and the movements were intended as a provocation to ... This allowed better face-to-face coordination with tactical air control parties (TACP) assets further forward deployed at Camp ...
Moccasin Joe Breeze Squeeze Air Movement Detector - Moccasin Joe Breeze Squeeze the ultimate air movement detector covers full range of light and air movement conditions. Scent and odor free. - Sportsmans Warehouse
The button inhalable aerosol sampler with a curved porous inlet recently was developed and evaluated as a stationary sampler in the laboratory and in the field. The present study focused on investigating its suitability for personal inhalable aerosol sampling. The button sampler was tested at two wind velocities (0.5 and 2.0 m/sec), three particle sizes (7, 29, and 70 microm) and three orientation
An air stream distribution apparatus directs portions of an air stream, at substantially ambient temperatures, to serially arranged circuit board components of a circuit board assembly. The air stream distribution apparatus splits an incoming air stream into air stream portions and directs each air stream portion toward each serially arranged circuit board component. Such direction of the portion of the air stream, by the air stream distribution apparatus, minimizes overheating and failure of the circuit board components. Furthermore, the air stream distribution apparatus minimizes a decrease in the pressure of the air stream as the air stream travels from the air stream source. The air stream distribution apparatus, therefore, ensures that circuit board components located at relatively large distances from the air stream source receive air from the air stream to minimize overheating and potential failure.
We are the Air Movement and Control Association (AMCA) International, a not-for-profit association of the worlds manufacturers of fans, louvers, dampers, air curtains, air flow measurement devices, ducts, acoustic attenuators and other air system components. Our association was founded in the United States, but we have expanded to be truly international. AMCA is now represented in several regions, with 350 member companies in 34 countries. Asia AMCA operates out of Malaysia and European AMCA operates out of Brussels. A Middle East AMCA is in the process of formation, and it will operate out of Dubai. Since its inception in 1917, our mission was to advance the health, growth and integrity of our industry. Nearly a century later, that mission remains unchanged.. ...
Buy Air Movement by Sound-Spark-LLC on AudioJungle. The sound of a swift rushing air whisping and whooshing. Great for transitions or visual animations. Asset List: Move...
Hartzell Air Movement released news that they will be providing state of the art centrifugal fans to the 2nd largest wastewater treatment facility in CO.
Piqua, Ohio (PRWEB) May 05, 2014 -- Hartzell Air Movement announces a plan to consolidate its Portland, Indiana manufacturing facility into its Piqua, Ohio
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Unless machines are properly managed, goose eggs do not hatch very well in artificial incubators. Hatches often are no better than 40% of the eggs set, even though fertility is about 90%. This is because of poor management and because incubators available in Australia are not manufactured specifically for geese.. With forced-draught machines, maintain a constant temperature of 37.5°C throughout the incubation period. The desired humidity will be obtained if the wet bulb thermometer is kept at a reading of 32.2°C to the 29th day. Then increase it to 34°C for the rest of the incubation time, using moisture trays and adjusting the ventilation.. Incubators with a slow air movement over the eggs will hatch goose eggs better than those with a fast air movement. Slow air movement ensures complete distribution of air over all parts of the egg to maintain uniform and equal evaporation.. Experiments in France, using 2000 eggs in eighteen incubators, have substantiated the need to place eggs ...
Exterior louvered openings can block direct sunlight and permit air flow at the same time, thus providing shading and natural ventilation. The main objectives of this research are to investigate the effect of different louver slat angles on (1) interior velocities and (2) the interior air flow characteristic, for three given exterior wind speeds. Wind tunnel testing was completed using a scaled physical model having louver slats at 0o, 15 o, 30 o and 45o angles at the inlet and outlet. The resulting velocities were measured at a horizontal plane across the model. A smoke machine was used to visualize the airflow characteristics inside the model. The results from the experiment were then compared with CFD simulations. The results show that louver angles affect the direction and volume of air flow through the window thus influencing the velocities inside the space.The accelerating trend of interior air velocities by 0, 15 and 30 degree louvers and the relatively lower velocities but more ...
A variety of personal aerosol samplers are commercially available. Several of these samplers have been used and evaluated by researchers. The literature describing a variety of personal dust samplers was reviewed to indicate sampler problems and potential solutions to these problems. The characteristics of samplers that can affect their accuracy include adherence to current international conventio
A system and method for generating power when one or more motion sensitive structures are moved via airflow. The system may include one or more sensing components which, acting alone or in combination, are capable of generating data related to one or more physiological parameters. The system may also include wireless communication circuitry capable of wirelessly transmitting the data related to the one or more physiological parameters. Furthermore, at least one of the one or more sensing components or the wireless communication circuitry may be at least partially powered, directly or indirectly, by the one or more motion sensitive structures when acted upon by airflow.
Comfort. The design approach relied upon research which shows that an inside temperature of 80-82 degrees is comfortable if the surrounding building mass is cool and air movement is present. These conditions result in a perceived temperature of 76 degrees, which is within the standard acceptable design temperature range for conventional buildings. Thus throughout the design process the goal was to make sure the mass temperature was sufficient so that the indoor temperature was 82 degrees or less.. Ceiling Fans Throughout. Air movement reduces the perceived temperature by two to three degrees. For this reason, every occupiable room was equipped with ceiling fans; there are six in every 30-seat classroom.. Added Mass. Building mass is able to absorb heat during the daytime and then release it during the nighttime when the building is not occupied. The cooler surface of the mass reduces the perceived temperature by one to two degrees. The rule of thumb is that a room needs at least two times the ...
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Outdoor air enters and leaves a house by: infiltration, natural ventilation, and mechanical ventilation. In a process known as infiltration, outdoor air flows into the house through openings, joints, and cracks in walls, floors, and ceilings, and around windows and doors. In natural ventilation, air moves through opened windows and doors. Air movement associated with infiltration and natural ventilation is caused by air temperature differences between indoors and outdoors and by wind. Finally, there are a number of mechanical ventilation devices, from outdoor-vented fans that intermittently remove air from a single room, such as bathrooms and kitchen, to air handling systems that use fans and duct work to continuously remove indoor air and distribute filtered and conditioned outdoor air to strategic points throughout the house. The rate at which outdoor air replaces indoor air is described as the air exchange rate. When there is little infiltration, natural ventilation, or mechanical ...
Studies were carried out through full-scale experiments in a PPVL mock-up room, a real hospital intensive care unit (ICU) isolation room and a bioaerosol facility at the University of Leeds. People simulators or DIN-Men (See Figure 3) were used to simulate the heat load from staff and patient. Flow visualisation using smoke from a generator and smoke pencil was an important diagnostic technique to characterise air flow patterns. Room air movement surveys provided air speed and temperature data in the isolation room, to investigate thermal comfort issues. A vertical array of anemometers was used on a grid of points on the floor. This data was then used to plot 3D plots of the temperatures and speed within the isolation room and as input data for computational fluid dynamics (CFD) modelling, especially when investigating the pressure stabiliser. Nitrous oxide (N2O) and Carbon Dioxide (CO2) tracer gases were used to simulate airborne infection and to quantify and characterise the patterns of air ...
Air Stream Make-up Iridescent is a fine particle make-up product in an aqueous medium, for application with an airbrush. These make-up colors have been designed to be sprayed at very low pressure (0.5 bar) - which means that application process is pleasant for the model. Air Stream Make-up provide the make-up artist with a professional preparation to achieve make-up results with a uniformity that was previously unimaginable. The make-up artist sprays Air Stream Make-up from a distance of approx. 10-15 cm. The make-up, applied without contact, dries very fast and is smudge-proof and durable. These products can be easily removed with AquaCleans. Air Stream Make-up are available in an extensive selection of foundation colors - in addition to shading and bright colors for perfect facial make-up ...
Article Canarina DISPER Software · atmospheric dispersion model · algorithms 6. Canarina DISPER Software · atmospheric dispersion model 9.1 Point source emissions The model uses a steady-state Gaussian plume equation to model emissions f...
Employing high-performance HVAC equipment in conjunction with whole building design can result in significant energy savings. Typically, a 30% reduction in annual energy costs can be achieved with a simple payback period of about three to five years. And, if the payback threshold is extended to seven years, the savings can be about 40%. These figures apply to buildings that offer conventional comfort (e.g., 70°F in winter, 76°F in summer). (For more information on cost-effectiveness, see WBDG Cost-Effective Branch).. If the comfort zone is extended through natural ventilation and air movement in summer, and through lower air temperatures in winter (made possible by highly-insulated and, therefore, warmer wall and window surfaces), even higher savings can be achieved. For example, a typical office building minimally complying with the ASHRAE Standard 90.1 might use 75,000 Btu/sq.ft./yr. The goal for many federal buildings is 50,000 Btu/sq.ft./yr. A highly energy-efficient building using ...
Choosing a fume hood is not an easy task. One way to make it easier is by narrowing down the choices by knowing what processes the fume hood will facilitate. It also helps to know how much room is available in the lab for the hood.. Knowing the types of chemicals being used can make selecting the proper hood a simple process. Meet with a sales representative from several manufacturers of fume hoods to get an exact chemical assessment done before viewing the selection of hoods compatible with various solvents, chemicals, and acids. Once the assessment has been completed, it makes choosing a ducted fume hood versus a ductless one a more obvious choice. These are the two basic types of fume hoods available.. In addition to choosing the hood to match the work being done in the lab, consider where to place the unit. It has to be placed away from doorways and air conditioners in order to safely remove toxins, dust and particulates from the air. Knowing where to position it helps narrow down the choice ...
Johannes Vermeer Girl Reading a Letter at an Open Window painting is shipped worldwide,including stretched canvas and framed art.This Johannes Vermeer Girl Reading a Letter at an Open Window painting is available at custom size.
Looking for mechanical turbulence? Find out information about mechanical turbulence. Irregular air movement in the lower atmosphere resulting from obstructions, for example, tall buildings Explanation of mechanical turbulence
The Human Patient Simulator is a computer-model-driven, life-sized mannequin that delivers true-to-life scenarios. The HPS breathes, has a heartbeat and pulse, blinks and includes sophisticated modeling of physiology and pharmacology, enabling it to mimic accurately many human responses to such procedures as CPR, intravenous medications, intubation, ventilation, and catheterization. The trainee then learns to care for patients by simulating a clinical operation.. The pulmonary system on the HPS is self-regulating. Air movement in the lungs makes gas exchange possible. On inspiration, a gas analyzer determines what the mannequin is breathing (air, O2, or an anesthetic). Based on the bodys requirements, the lung system automatically adjusts the respiratory rate and tidal volume. Breath sounds are auscultated by standard stethoscopes in several locations to detect abnormalities, such as wheezes or crackles. Sound is correlated to lung movement, so the absence of sounds in one or both lungs is ...
also see Chapter 3.1.5.2, 3.1.4.3 and 3.2.4.3) Basic principles and concepts Ventilation is essential and must be regulated to achieve the highest efficiency in keeping hot (and dusty) air out during the daytime, and cooling the thermal mass at night by air movement; if possible together with outside vegetation. Ventilation can only reduce temperatures higher than the outside air temperature. However, if the air is very dry, any breeze also helps to evaporate sweat and thus to cool the body. High rooms promote air circulation and increase the distance to a radiating ceiling. A low ventilation rate during winter decreases the temperature variation and thus raises night temperatures. A high night ventilation rate in combination with an internal thermal storage capacity is preferable during summer. During the daytime, openings should be closed and shaded and ventilation kept to the absolute minimum necessary for hygienic reasons. Openings should be placed according to the prevailing winds and allow ...
What really happens is that when that power attic ventilator runs, its going to pull air from wherever it can find it. Since air takes the path of least resistance, some of it will most likely be coming from the conditioned space in your home. So basically what youre doing is air conditioning your attic. The longer the fan runs the more conditioned air it pulls into the attic.. If you have a perfectly air-sealed ceiling, youre not going to have this problem, of course. The reality, however, is that few ceilings are leak-free. Since air needs only a pressure difference and a pathway to move, and your ceiling probably has plenty of pathways, its best not to enhance any pressure differences that will increase air movement into or out of your home. Air sealing & tighten is key along with changing the overall environmental conditions. With properly sized dehumidifiers you can remove the moisture and condition your space keeping it nice and dry without bringing high humid air moisture back ...
Since 1932, Aerovent has been supplying fans to industries covering most Fortune 500 companies, as well as small and medium sized companies that demand high quality products with innovative features. So whether your application requires a simple exhaust fan or a complete ventilation system, we have you covered. Aerovents vast knowledge in demanding air movement […]. ...
The main parameters measured for IAQ are Temperature, Humidity, CO2 levels and ventilation/drafts. ASHRAE (American Society of Heating, Refrigeration and Air-Conditioning Engineers) and WHO (World Health Organisation) are just two of the governing bodies which help regulate Indoor Air Quality.. Testing of Indoor Air Quality should be routinely carried out to a schedule (generally every 12 months) to comply with regulations, but periodic checks can be carried out in occupied areas using portable equipment. One example of a suitable instrument would be the Dwyer AQH-20 multi-parameter Air Quality meter. Measuring CO2 levels, ambient temperature and relative humidity, the Dwyer AQH-20 is a useful instrument for monitoring IAQ.. The very low velocities to be considered when measuring air movement can be difficult to detect. Fluidic Ltd are the UK distributor for Schmidt Technology. Schmidt offer a full range of flow instrumentation, with some of their sensors capable of measuring directional air ...
The airborne indoor pollen in a hospital of Badajoz (Spain) was monitored over two years using a personal Burkard sampler. The air was sampled in four places indoors-one closed room and one open ward on each of the ground and the third floors-and one place outdoors at the entrance to the hospital. The results were compared with data from a continuous volumetric sampler. While 32 pollen types were identified, nearly 75% of the total counts were represented by just five of them. These were: Quercus, Cupressaceae, Poaceae, Olea, and Plantago. The average indoor concentration was 25.2 grains/m3, and the average indoor/outdoor ratio was 0.27. A strong seasonal pattern was found, with the highest levels in spring and winter, and the indoor concentrations were correlated with the outdoor one. Indoor air movement led to great homogeneity in the airborne pollen presence: the indoor results were not influenced by whether or not the room was isolated, the floor level, or the number of people in or transiting the
What really happens is that when that power attic ventilator runs, its going to pull air from wherever it can find it. Since air takes the path of least resistance, some of it will most likely be coming from the conditioned space in your home. So basically what youre doing is air conditioning your attic. The longer the fan runs the more conditioned air it pulls into the attic.. If you have a perfectly air-sealed ceiling, youre not going to have this problem, of course. The reality, however, is that few ceilings are leak-free. Since air needs only a pressure difference and a pathway to move, and your ceiling probably has plenty of pathways, its best not to enhance any pressure differences that will increase air movement into or out of your home. Air sealing & tighten is key along with changing the overall environmental conditions. With properly sized dehumidifiers you can remove the moisture and condition your space keeping it nice and dry without bringing high humid air moisture back ...
Many times after a rain, there is a distinctive odor in the air - a sort of musky smell. This pleasant fragrance is most common in rains that follow a dry spell. If you are a gardener, you may find this smell similar to the smell you sense when you turn over your soil. Good organic soils contain bacteria. One bacterium that is abundant in damp warm soils is actinomycete.. Actinomycetes are a key ingredient in the decomposition of organic materials in the soil. These bacteria thrive when the soil is moist. When the soil dries out, the actinomycetes produce tiny spores. These spores are part of their reproduction cycle. Rain kicks up these spores when the raindrops hit the ground and make them airborne. Air movements then disperse the spores and carry some of the spores to our nose, where we detect a pleasant aroma. Actinomycetes are very common, which is why you experience the pleasing after-the-rain smell in many locations.. Winds can transport odors from areas upwind of you. We also can ...
Baffles prevent insulation from restricting air movement. While it may seem counterintuitive, even well-insulated attic spaces require air circulation. That means drawing air in from outside the home...
With the extreme temperatures in the past week, harvested canola is coming off hot, hot, HOT! Reports of canola measuring in the mid to high 30s are common, as well as the canola being dry at 8% and very dry ,6%.. Canola in the above situation, even though moisture is low, needs to be conditioned as soon as it is in the bin. Conditioning the seed, by turning on aeration fans will help move cooler air through the seeds, cooling in down. If grain if left hot and unattended at temperatures over 15C, there is a greater risk of spoilage. Using air movement will also help dry out any green weed material in the harvested seed, which will again help reduce spoilage in the canola, from the moisture in the weeds increasing moisture in pockets in your bin.. If you do not have aeration in your bin, leave the bin hatches on the top of the bin propped open, so hot air can escape. Close the hatches if it starts raining though. Also consider taking a truck load of canola out of the bin from the bottom and then ...
Location: The mango grows to a good size and casts a dense shade, but the roots are not destructive. It requires full sun and perfect air drainage in winter. It does best at the top or middle level of a slope. A windbreak should be provided in exposed areas. The trees may also need staking. In the desert it needs the shade of other trees; or plant on the north side of the house. In the garden or near the coast, plant against a south wall, or in an area surrounded by paving, to provide maximum heat. In the greenhouse, full light and free air movement are important to avoid disease.. Soil: Mangos will grow in almost any well-drained soil whether sandy, loam or clay, but avoid heavy, wet soils. A pH between 5.5 and 7.5 is preferred. They are somewhat tolerant of alkalinity. For good growth, mangos needs a deep soil to accommodate their extensive root systems.. Irrigation: Irrigation should start when the weather warms: February in the desert, April at the coast. Continue every one to two weeks, ...
These birds cannot tolerate sudden increase of temperature and humidity causing heavy losses due to mortality and production.. Treatment:. i)In water use of drugs for fatty liver syndrome such as Toxol liquid-1 ml/lit Dw for 7-10 days.. ii) 100 grams of choline chloride per 100 kg of feed.. iii) In feed use of Toxol feed premix 100-150 gm per 100 kg feed for a month.. iv) ) In feed use of Lecithins ,Trimethylglycine (Betaine),( Biosurf @ 50 gm/100 kg feed). Problem-2:Heat stress:. Heat Stress not only causes suffering and death in the birds, but results in reduced or lost production. Poultry birds are comfortable when environmental temperature is within the range of 65 to 75 °F (18 to 24 °C ). In summer when maximum day temperature hovering around 41°C (106ºF)lead to serious problems of heat stress. Treatment:. Prevention of Heat Stress:. i) Adequate air movement and Cool/iced water consumption ii) Fasting during heat stress: Feed withdrawal from 9 am to 4.30 pm. This is very effective in ...
One early project that we will do something with is the area beyond the filter house, we have referred to this as the working area, and its our intention to erect a greenhouse here, once the area is tidy and all the remaining spoil from the pond is removed. We have a greenhouse that we blogged about when we collected it but I have been wondering if I should build one to fit the space better and also to allow it to be better insulated than a typical greenhouse. For us the key time of the year with a greenhouse is the winter, we use them to protect our more tender plants, and so provide some additional heat. Although there are numerous ways to do this, electrical heaters are generally the best for the plants as they provide air movement and dont add extra water vapour (as paraffin does for instance). However the downside of electrical heaters is that they can be on the expensive side to run without a decent level of insulation. Once the pond is finished I will draw up some plans and then we can ...
Bard--you are showing that a little knowledge, without judgement and reasoning, is dangerous. You are completely wrong on air pollution--a field Ive worked in, off and on, for over thirty years. First of all, there are toxic materials that are directly toxic--those include many of the resins used in making thermoplastics like fibreglass and carbon fiber/epoxy boards. We call that acute toxicity, and it can be determined with great precision. Concentration matters, and good quality air movement and/or scrubbing, in an industrial area, protects workers and neighbors. There is no more chance of you being affected by such contaminants resulting from manufacturing in China than there is of you being affected by radiation from Fukushima. I did have to explain diffusion to my daughter when she wanted to move to Wisconsin after the earthquake. So locating a surfboard factory too close to residents, or day care facilities, or schools, poses a direct risk to them. That is why we have zoning and permits, ...
It is probable that, through experience, prehospital personnel have realised that for the dressing to remain an effective analgesic there must be air movement over the surface (patients also learn this and are sometimes seen blowing on their own dressing). This explains our observation that Hydrogel dressings are often left uncovered. This will optimise analgesia, but if the dressing covers a large area the patient will be exposed to the risk of excess heat loss and hypothermia. This effect is probably most marked in children, because of the larger surface area/mass ratio.. The finding of a large additional drop in temperature after the dressing was removed was unexpected. This effect may be attributable to exposure and subsequent evaporation of volatile substances and water in the residual layer of gel that is left on the burn after removal of the dressing. A&E staff should be aware of this potential problem and ensure that evaporation is immediately prevented, perhaps by covering the burn with ...
In this study, we measured tongue pressure using an original sensor sheet, and compared the swallowing behavior in VF images. We also attempted to define the function of tongue pressure within swallowing by recording muscle activity and assessing VF images. To our knowledge, this is the first report to investigate the temporal relationship among tongue pressure, activity of the supra‐hyoid muscle, and movement of the hyoid and bolus.. Various equipments to determine tongue pressure have been developed. IOPI (Robbins et al. 1995; Crow and Ship 1996), which scans the air movement, is used most commonly. This device showed favorable performance in large studies because of its simplicity. However, it appears to be unsuitable for functional assessment, as it interferes with occlusion and has only one sensing point. Air‐filled bulbs (Kay Pentax, Lincoln Park, NJ) uses the same principal, and has more than one sensing point. Some researchers (Hind et al. 2005; Ball et al. 2006; Steele and Huckabee ...
Hey all. Let me give you some background. I have begun using coke probably too often, but every time I do for a night or so (usually a little less than one g of some quality stuff), the next 3 days my nose is completely clogged up; Im talking no air movement at all, its unbearable. Afrin works well, but its habit forming, and if I stop using it, it clogs up twice as bad. I was wondering if any of you have any good ideas for ways for me to clear my nose up. I have tried hot sauce, nasal
Soffit lends a crisp, clean appearance to the eaves and rooflines, but did you know it also helps to keep your home structurally strong? A well-designed soffit system provides essential ventilation to help prevent the damaging effects of trapped moisture. It also promotes directional air movement through the roof structure, eliminating moisture that can cause rotting and decay ...
In fact, Dr. Kabat discusses the tobacco control movements reaction to some of my commentaries in his book. He writes: "Another figure who has taken an independent view of the reigning discourse concerning tobacco is Michael Siegel, a physician specializing in preventive medicine and a professor at Boston University. Siegel was a student of one of the prime movers behind the antismoking and clean air movements, Stanton Glantz of the University of California at San Francisco, and he has remained committed to the goal of protecting workers and others from exposure to tobacco smoke. However, a couple of years ago he decided that he had to speak out against what he saw as the increasingly objectionable tactics of the antismoking movement. These include misrepresenting the science on specific topics and an increasingly demagogic treatment of anyone who disagrees with their point of view. For the past two years, Siegel has written a blog entitled "The Rest of the Story: Tobacco News Analysis and ...
In fact, Dr. Kabat discusses the tobacco control movements reaction to some of my commentaries in his book. He writes: "Another figure who has taken an independent view of the reigning discourse concerning tobacco is Michael Siegel, a physician specializing in preventive medicine and a professor at Boston University. Siegel was a student of one of the prime movers behind the antismoking and clean air movements, Stanton Glantz of the University of California at San Francisco, and he has remained committed to the goal of protecting workers and others from exposure to tobacco smoke. However, a couple of years ago he decided that he had to speak out against what he saw as the increasingly objectionable tactics of the antismoking movement. These include misrepresenting the science on specific topics and an increasingly demagogic treatment of anyone who disagrees with their point of view. For the past two years, Siegel has written a blog entitled "The Rest of the Story: Tobacco News Analysis and ...
We are interested in the mathematical modeling of the deformation of the human lung tissue, called the lung parenchyma, during the respiration process. The parenchyma is a foam-like elastic material containing millions of air-filled alveoli connected by a tree- shaped network of airways. In this study, the parenchyma is governed by the linearized elasticity equations and the air movement in the tree by the Poiseuille law in each airway. The geometric arrangement of the alveoli is assumed to be periodic with a small period ε | 0. We use the two-scale convergence theory to study the asymptotic behavior as ε goes to zero. The effect of the network of airways is described by a nonlocal operator and we propose a simple geometrical setting for which we show that this operator converges as ε goes to zero. We identify in the limit the equations modeling the homogenized behavior under an abstract convergence condition on this nonlocal operator. We derive some mechanical properties of the limit material by
Snoring is the vibration of respiratory structures and the sound is caused by obstructed air movement during breathing while sleeping. The sound can range from soft to very loud (like a lawnmower) and is more prominent in men than women, people who are overweight and older people. Snoring during sleep is a common sign of obstructive sleep apnea (OSA).. Occasional snoring after indulging in alcohol or during a cold is usually not very serious and is mostly a nuisance for your bed partner. However, people who are constantly snoring can be damaging their own sleep and health as well as their partners. This is why its important to get help with snoring as soon as you recognize it.. ...
Snoring is the vibration of respiratory structures and the resulting sound, due to obstructed air movement during breathing while sleeping. In some cases the sound may be soft, but in other cases, it can be loud and unpleasant. Snoring during sleep may be a sign, or first alarm, of obstructive sleep. ...
Snoring is the vibration of respiratory structures and the resulting sound due to obstructed air movement during breathing while sleeping. In some cases, the sound may be soft, but in most cases, it can be loud and unpleasant. Snoring during sleep may be a sign, or first alarm, of obstructive sleep apnea (OSA). Research suggests that snoring is one of the factors of sleep deprivation. Snoring is known to cause sleep deprivation to snorers and those around them, as well as daytime drowsiness, irritability, lack of focus and decreased libido. It has also been suggested that it can cause significant psychological and social damage to sufferers. Multiple studies reveal a positive correlation between loud snoring and risk of heart attack (about +34% chance) and stroke (about +67% chance). Though snoring is often considered a minor affliction, snorers can sometimes suffer severe impairment of lifestyle. The between-subjects trial by Armstrong et al. discovered a statistically significant improvement ...
To determine the best harvest time for each herb, you need some experience. However, a few general rules can lead you in the right direction for most herbs. Harvest the leaves when they contain the optimum amount of essential oils. These oils give herbs their special flavor or scent. Ideally you should cut herbs soon after the dew has evaporated from the leaves in the morning. Harvest on a dry day that has been preceded by at least two sunny days.. In most cases, cut stems for harvest when the flower buds are just beginning to open. Mints, however, have the most oil in the leaves when the spikes are in full bloom.. When gathering a large quantity of herbs, use an open-weave basket or containers that allow good air movement. Dont stuff herbs into plastic bags, which can heat up and cause rapid deterioration of herbs. Never cut more stems than you can conveniently dry at one time. You can cut back a perennial herb to about half its height and can cut down an annual to a few inches. You can also ...
Snoring is the sulting sound of vibration of respiratory structures and, due to obstructed air movement during breathing while sleeping. Snoring occurs whe..
This easy-to-grow summertime garden staple should be included in every yard. The horticultural bean (shell bean), is widely grown in many parts of the state. The colorful pods and beans of the horticultural bean make it an attractive addition to the garden and kitchen. The seeds of pinto beans look similar to those of the horticultural beans, but are smaller. They are used widely as brown beans and as refried beans in Mexican dishes. Black beans or black turtle beans make an unusual, delicious black-colored soup. They are easy to grow if given plenty of air movement to prevent the disease problems to which they are susceptible. Kidney beans are the popular chili and baking bean, available in deep red or white types. Navy pea and Great Northern beans are used in soups and as baked beans. Plantings of beans should be made after danger of frost is past in the spring and soil is warmed, since seeds planted in cold soils germinate slowly and are susceptible to rotting. One old nurseryman offers this ...
An Allegretto Eye-Q laser platform (Wavelight GmbH, Erlangen, Germany) was used to study the effect of air-flow speed on the ablation of artificial polymer corneas used for testing refractive surgery patterns. Flat samples of two materials (PMMA and Filofocon A) were ablated at four different air flow conditions. The shape and profile of the ablated surfaces were measured with a precise non-contact optical surface profilometer. Significant asymmetries in the measured profiles were found when the ablation was performed with the clinical air aspiration system, and also without air flow. Increasing air-flow produced deeper ablations, improved symmetry, and increased the repeatability of the ablation pattern. Shielding of the laser pulse by the plume of smoke during the ablation of plastic samples reduced the central ablation depth by more than 40% with no-air flow, 30% with clinical air aspiration, and 5% with 1.15 m/s air flow. A simple model based on non-inertial dragging of the particles by air ...
Mega Sale! Save 24% on the Mophorn Laminar Flow Hood 0.25-0.45m/s Air Velocity Laminar Flow Hood Filter HD-650 Air Clean Bench Fume Hood Laboratory(Laminar Flow Hood, Horizontal) by Mophorn at In The National Interest. MPN: Laminar Flow Hood. Hurry! Limited time offer. Offer valid only while supplies last. Introduction Air comes into plenum chamber through primary air filter at the top and centrifugal fan. Then air is blown out through high efficiency
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WATER quality assessment of drinking water has been studied in Benha city, Qalubia Governorate, Egypt between April 2015 to March 2016 to evaluate the quality of different types of water according to physicochemical, chemical and bacteriological aspects. Twenty four samples were collected during the four seasons from different places in Benha City. Two kinds were analyzed; Benha filtered water and raw water of River Nile. The results indicated that the average values of physicochemical, heavy metals, trihalomethanes and bacteriological parameters in Benha filtered water treatment were within Egyptian standard (2007) and the World Health Organization (WHO) of water quality with comparison to raw water. The dominant bacterial isolates in the raw water samples were Escherichia coli and Enterobacter aerogenes; while the filtered water samples were 100% free from pathogenic bacteria and coliforms.
Under Florida law, E-mail addresses are public records. If you do not want your E-mail address released in response to a public records request, do not send electronic mail to this entity. Instead, contact this office by phone or in writing.. ...
A numerical method is developed for carrying out unsteady Reynolds-averaged Navier-Stokes (URANS) simulations and detached-eddy simulations (DESs) in complex 3D geometries. The method is applied to simulate incompressible swirling flow in a typical hydroturbine draft tube, which consists of a strongly curved 90 degree elbow and two piers. The governing equations are solved with a second-order-accurate, finite-volume, dual-time-stepping artificial compressibility approach for a Reynolds number of 1.1 million on a mesh with 1.8 million nodes. The geometrical complexities of the draft tube are handled using domain decomposition with overset (chimera) grids. Numerical simulations show that unsteady statistical turbulence models can capture very complex 3D flow phenomena dominated by geometry-induced, large-scale instabilities and unsteady coherent structures such as the onset of vortex breakdown and the formation of the unsteady rope vortex downstream of the turbine runner. Both URANS and DES appear ...
Abstract: A mathematical model for vacuum drop in the form of Bernoulli equation with the assumed constant velocity of ascent of a free bubble was used in determination of optimal air streams to get the minimal vacuum drops. Analysis of these values allowed for determination of supplied air stream corresponding to a given milking speed, depending on tube diameter and the height of liquid rise.
An apparatus for increasing the humidification of the air stream breathed by a patient, having a tubular body that can be coupled to a heat and moisture exchange filter and forms a channel for the passage of an air stream. At least one portion of the channel is provided by a membrane impermeable to gases and permeable to ions and molecules with a partial charge. The membrane delimits an interspace that is external to the channel and allows passage of a water vapor flow.
Get an answer for What is the theme in The Open Window by Saki? and find homework help for other The Open Window questions at eNotes
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Heres what you need to know before choosing a ductless fume hood (sometimes a called carbon-filtered enclosure or filtered fume hood). Having no ductwork to contend with, even a portable fume hood...
The method relates to the operation of a cross-flow filtration installation for a product. This installation includes a filtration module (6), a pipeline (3) for the inflow of the product, a pipeline (9) for removing the product, a pump (4) with an electric motor (12) for recirculating the product, and a control valve (5′) for setting the conveying flow (Q1) of the pump (4). In order to make possible the maximally possible filtration output, based on the installation, along with a high proportion of solids of the product, without endangering operational safety by means of overloads, the strength of the operating current (i1) of the electric motor (12) is measured. The operating current (i1) is adjusted to a maximally, permissible value via a regulator (20) by setting the conveying flow (Q1) of the pump (4) by adjusting the flow control valve (5′).
Zhan, C. et al. (2010) Numerical study of a M-cycle cross-flow heat exchanger for indirect evaporative cooling. Building and Environment, 46 (3), pp. 657- ...
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An apparatus for forming an air-laid non-woven web wherein a pair of parallel lickerins are positioned adjacent one another with the lickerins being rotated in opposite directions, so that when a first supply of fibrous material is fed to one lickerin and a second supply of fibrous material is fed to the other lickerin, separate supplies of individualized fibers are produced that are entrained in separate air streams impelled toward one another and toward a mixing zone between the lickerins. The individualized fibers are doffed from lickerins by the separate air streams and centrifugal force, and the doffed fibers are given an initial trajectory, whereby the inertia of the fibers is sufficient to allow at least a portion of the fibers from each supply to become homogeneously blended as the air streams are impelled against one another. A suction actuated fiber condensing means is positioned in communication with the mixing zone, and the separate air streams are combined into a common air stream that
Know more about the principles and differences of Laminar Flow Cabinets, Biological Safety Cabinets and Fume Hoods. Definition of Laminar Flow Cabinets.
A clean fan debris collecting apparatus is disclosed in which the suction of debris is performed by an entrained stream of air (34). The apparatus comprises a motor (24) which drives an impeller (20) which generates at air steam which is directed down an air supply duct (6). The air stream is then directed into a collecting duct (4) through an air inlet (8) which is located adjacent to a collecting mouth (5) of the collecting duct. The air stream, upon entering the collecting duct (4) generates the entrained stream of air (34) which sucks debris into the collecting mouth (5) and transports it up the collecting duct (4) to a collecting bag (30). An air stream dispersing apparatus (26) is located adjacent to the air inlet (8) to disperse the air stream as it enters to collecting duct (4). This dispersion improves the efficiency with which the entrained stream of air can be generated. Alternatively the air inlet (8) can be formed to include the static air
ASHRAE110-1995 is one of the most challenging standards in the world that tests the containment efficiency of a fume cupboard.Here in Esco, we are capable of conducting the complete ASHRAE110-1995 test in our laboratory.
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The Boussinesq assumption is both the strength and the weakness of two equation models. This assumption is a huge simplification which allows one to think of the effect of turbulence on the mean flow in the same way as molecular viscosity affects a laminar flow. The assumption also makes it possible to introduce intuitive scalar turbulence variables like the turbulent energy and dissipation and to relate these variables to even more intuitive variables like turbulence intensity and turbulence length scale. The weakness of the Boussinesq assumption is that it is not in general valid. There is nothing which says that the Reynolds stress tensor must be proportional to the strain rate tensor. It is true in simple flows like straight boundary layers and wakes, but in complex flows, like flows with strong curvature, or strongly accelerated or decellerated flows the Boussinesq assumption is simply not valid. This give two equation models inherent problems to predict strongly rotating flows and other ...
The Boussinesq assumption is both the strength and the weakness of two equation models. This assumption is a huge simplification which allows one to think of the effect of turbulence on the mean flow in the same way as molecular viscosity affects a laminar flow. The assumption also makes it possible to introduce intuitive scalar turbulence variables like the turbulent energy and dissipation and to relate these variables to even more intuitive variables like turbulence intensity and turbulence length scale. The weakness of the Boussinesq assumption is that it is not in general valid. There is nothing which says that the Reynolds stress tensor must be proportional to the strain rate tensor. It is true in simple flows like straight boundary layers and wakes, but in complex flows, like flows with strong curvature, or strongly accelerated or decellerated flows the Boussinesq assumption is simply not valid. This give two equation models inherent problems to predict strongly rotating flows and other ...
Dont have the space that a walk-in closet demands? Try building a walk-by. An old ladder bridges the gap between two basic shelving units and creates a homey space to hang clothes-a far cry from the typical sterile, stainless steel rod.
Although there is a limited number of surface water PWSS in the state, approximately 27% of South Dakotans receive their water exclusively from surface water systems. Therefore, a significant portion of the population is dependent on surface water as a source of drinking water. The delineation method for surface water systems includes the entire watershed area upstream of the public water supply intake up to the tribal or state border. The delineated assessment areas extends 10 river miles upstream from the surface water intake. Additionally, a one-half mile wide contributing zone extending laterally beyond any upstream alluvial aquifer is also delineated to provide for an adequate evaluation of potential contaminant sources to a particular surface water supply. This delineated area is considered "Zone A". A detailed potential contaminant source inventory is conducted in this delineated zone. The "Zone B" assessment area will include a 25-mile radius from the PWSS intake, within the delineated ...
The Department of Facilities is scheduled to start work on a project within Building 56 to reduce energy consumption. Various repairs will be performed to the HVAC system and fume hoods. This project includes ASHRAE 110 fume hood testing for all fume hoods. Bio-safety cabinets will not be included in this project. This work is scheduled to take place weekdays from 6AM to 3PM starting August 14 and concluding by December 8.. During this required maintenance, occupant use of these lab spaces will be limited. While the work is being performed, fume hoods will not be available for use. Everything within the fume hoods must be cleared out. During working hours, general ventilation within the lab will be shut down limiting the work lab occupants can perform. We will aim to restore general ventilation in labs after 3PM; however due to potential working conditions, some labs might not have general ventilation restored until the work in the lab is complete. Notices will be posted informing lab occupants ...
A key concern for clients seeking to improve their homes is getting new sash windows at reasonable prices. With Sash Windows St Helens, customers do not need to worry about spending excessively to obtain new sash windows. Clients are able to get high quality windows at reasonable prices from Sash Windows St Helens because they work to obtain their materials at the lowest possible costs. "Our good relationships with top UK suppliers over the years enables us secure our materials at reasonable prices. In addition, we are constantly working in house to keep our overhead costs at the barest minimum" says the company spokesperson. This great combination of lower expenditure and low overhead costs enables Sash Windows St Helens to offer their customers products at a rate they can easily afford.. ...
A major drawback for clients who want to refurbish their homes is the high cost associated with getting new sash windows. With Sash Windows Norfolk, customers do not need to worry about spending excessively to obtain new sash windows. In order to give clients high quality windows at an affordable rate, Sash Windows Norfolk has worked to get their materials at the lowest possible costs. "Our good relationships with top UK suppliers over the years enables us secure our materials at reasonable prices. In addition, we are constantly working in house to keep our overhead costs at the barest minimum" says the company spokesperson. This great combination of lower expenditure and low overhead costs enables Sash Windows Norfolk to offer their customers products at a rate they can easily afford.. ...
Computational Fluid Dynamics is used across the Loughborough UTC as an integral part of the research activities. Often this is the routine use of established CFD methods to support the design and analysis of experimental work. However, it also encompasses the development of new modelling techniques to allow the accurate simulation of the complex aerodynamic phenomena present in the combustion system. This is a significant challenge; a single modelling approach is not applicable across the broad range of flow physics. Consequently hybrid techniques are being developed which allow coupling of different turbulence models and flow solvers across different engine components.. Commercial and proprietary in-house codes are used for grid generation, analysis and post-processing, with a range of grids and turbulence models providing steady state or time dependent solutions. A 1956-core high performance PC cluster provides a parallel computing platform within the Department of Aeronautical and Automotive ...
ASTS-030. HEPA filter for the Purair® 5 Ductless Fume from Air Science® USA. Fits hood widths of 24, 36, and 48. If you have the 48 fume hood, you must purchase 2 of this kind of filter in order to operate the hood. Allow 6 to 8 weeks for delivery.
Multiple organizations have adopted laboratory hood safety standards to determine the effectiveness of a hood in limiting occupational exposure. One such measure of determining the effectiveness of the hood is by measuring the speed of air entering the hood (i.e. the face velocity). While face velocity is not the only test method for determining if a hood has the ability to adequately contain the contaminants (see ANSI/ASHRAE 110-1995 Method of Testing Performance of Laboratory Fume Hoods), it is the only performance standard cited by the following organizations.. ...
Anton led one of three forensic teams who used CT tomography - a CAT scan - of Tuts mummified remains to reconstruct the head and face of the boy pharaoh. The three sets of results, however, were surprisingly similar, agreeing on Tuts unusual and arresting mix of male and female facial features. Zahi Hawass, secretary general of Egypts Supreme Council of Antiquities and leader of the team that performed the CT scan in January, said in a news release that the team had found no signs of childhood disease, malnutrition, or prolonged illness in Tut, and no evidence of foul play. When British Egyptologist Howard Carter entered it in 1922, he found a dazzling array of gold and jeweled objects, a treasure now famous throughout the world.
Dr. Maya Angelou believed words are things and that someday we will be able to measure their power. "They get on the walls. They get in your wallpaper. They get in your rugs and your upholstery and your clothes. And finally, they are into you.". If were guilty of some negative talk (and who isnt?), how do we handle the frequencies it creates? After all, you cant see words to clean them up; still, their residue is just as real.. With a few basic space-clearing techniques, we encourage buoyant energy to gather in our homes, enhancing its energetic orderliness while sustaining our own happiness.. 1. Open windows.. Think about how amazing it feels when out in nature. The air is alive and electric with potent life force, often filling us with fresh hope. When we open windows, we invite this same wild grace into our space. The outside air beckons our home to enjoy a deep cleansing breath, exhaling negativity out. Invite the ripples of a breeze into your surroundings daily, if even for only a few ...
My family was riding down a familiar street one day years ago and our dog, Rex, was hanging his head out an open window like Casey Jones at the throttle of a railroad engine.. Then in a flash, it happened. Rex spotted another dog across the street and leaped from the window - into the side of an oncoming car. In a horrible instant, he fell beneath the wheels and rolled several times before the other car could stop.. He lay there on the street, not moving. We were sure he was dead.. Then, to our amazement. he stood up and shook himself off, wagging his tail. We took him to a veterinarian, who could find nothing seriously wrong. But Rex was never quite right in the head after that. Hed stand on the front porch, barking at the wind for hours.. I was reminded of Rex the other day when when I saw a driver travelling down a busy Denver street with his dog in his lap. The hound was hanging its head out an open window and, I swear, grinning for all he was worth. If the driver only knew the dangers that ...
My family was riding down a familiar street one day years ago and our dog, Rex, was hanging his head out an open window like Casey Jones at the throttle of a railroad engine.. Then in a flash, it happened. Rex spotted another dog across the street and leaped from the window - into the side of an oncoming car. In a horrible instant, he fell beneath the wheels and rolled several times before the other car could stop.. He lay there on the street, not moving. We were sure he was dead.. Then, to our amazement. he stood up and shook himself off, wagging his tail. We took him to a veterinarian, who could find nothing seriously wrong. But Rex was never quite right in the head after that. Hed stand on the front porch, barking at the wind for hours.. I was reminded of Rex the other day when when I saw a driver travelling down a busy Denver street with his dog in his lap. The hound was hanging its head out an open window and, I swear, grinning for all he was worth. If the driver only knew the dangers that ...
It happens all too often in the cold times of the year: You open the window in the morning for fresh air and forget to shut it again. A thermostat reports cold temperatures, and the heating is turned up full blast - right out the window. But open windows are a problem with more than just the heating or storms. A window tilted open, for example, is a direct invitation to intruders. It would be desirable to have an automated system that notices open windows and sends an alarm signal to the tenant. There are certainly home and building systems today that register the window status. As a rule, however, the sensors have to be attached by cable to the alarm center inside the home or building itself. In other cases, battery-operated radio sensors are used. But changing batteries in structures that have several windows can lead to a considerable maintenance expense. Researchers from the Fraunhofer Institute for Microelectronic Circuits and Systems IMS in Duisburg therefore developed a pragmatic ...
Does it make any sense to buy more expensive filters that are alleged to reduce allergens when another occupant of the house (the one who suffers from allergies) insists on turning off the AC and opening windows as soon as the outside temperature drops below 75F?
In the NIV translation, the New Testament contains 82 references to "demon" or "demon possessed" and 8 more for "evil spirit". The King James does not distinguish between "the devil" and "a demon" using only the word "devil" to describe Satan and all of his horde as well. But its clear that Satan, not being omni-present, could not perform all of his evil work alone but needs a vast army to assist him.. Most of us will never receive his personal attention, but that doesnt make us immune to his schemes. His associates are well trained and vigilant, looking for any opportunity to help advance his cause.. Compare them to criminals in the physical world who know what theyre doing is wrong, but they do it anyway thinking they wont get caught. When they see an open window or a flimsy lock they see a chance and in they go. Its up to the police to catch them.. Demons operate the same way in the spiritual world, only there the "open window" is behavioral. Paul showed us an example of this in Ephes ...
About the ratings: EWG provides information on cleaning product ingredients from the published scientific literature, to supplement incomplete data available from companies and the government. The ratings indicate the relative level of concern posed by exposure to the ingredients in this product - not the product itself - compared to other product formulations. The ratings reflect potential health hazards but do not account for the level of exposure or individual susceptibility, factors which determine actual health risks, if any ...
Three players featured in the NFLs own advertisement pushing safety advances are among the more than 4,000 former players suing the league over head injuries.
Dental Product Shopper delivers practical, unbiased product information. Our peer to peer product reviews help you select the best products for your practice.
An experimental study of a balanced electric arc of 200 to 400 amperes in an atmospheric pressure cross-flow air stream of velocities up to 60 ft/sec and transverse magnetic field strengths up to 50 gauss was made. An open-jet type facility permitted the use of diagnostic techniques in the arc wake region. The arcs significant dimension transverse and parallel to the flow was measured. This dimension increased transverse to the flow and decreased parallel to the flow as the transverse blowing velocity was increased. Velocity profiles, energy flux distributions, relative turbulence levels and frequency measurements were obtained in the arc wake using miniaturized probe techniques. Flow visualization studies were performed using micron-sized particles. The input and output arc power distribution was obtained. The energy convectively transferred to the arc wake was equal to the additional electrical energy input required to maintain the arc in the presence of the transverse blowing. A drag
Ductless Fume Hoods from Erlab are designed to protect users working in laboratory research applications such as Animal Perfusion. Erlabs advanced carbon filtration technology and/or HEPA/ULPA accomodates your specific needs and ensures the safety of personnel and the environment from pollutants. The high containment and filtration performance of this technology offers users a high degree of protection, and meets AFNOR NFX 15 211/ANSI Z9.5-2012 filtration efficiency standard (class 1 and 2).. ...
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PATERSON, NJ – Following approximately four days of deliberations, a jury has found Courtney Simpson, 34, Paterson, guilty on several counts including first degree Aggravated Manslaughter,...
By Susan M. Kleiner, Ph.D., R.D.. I remember the moment when the phone rang and the strength and conditioning coach on the other end of the line asked me to work with an All Star NBA player who was struggling with his weight. At our first meeting, it was very clear that he wasnt only struggling with weight-he was depressed, possibly clinically depressed. I lobbied for him to receive mental health counseling, but to no avail. It would be my job to get him back to his fighting weight and back on the court-and the team gave us just nine weeks to do it.. Proceeding as any good sports nutritionist would, I collected the athletes diet and training record. It quickly became clear that he was under-eating, fearful that any bite he took would add pounds to the scale or fat weight to his body composition. Ironically, in an athlete, under-fueling leads to an exchange of fat for muscle as energy wanes and training intensity and duration decreases. This is exactly what was happening, and he was spiraling ...
Spring has sprung and its time to say good-bye to stews, chili and the slow cooker, and hello to lighter fare featuring the bounty of the new season. The best news about all of these veggies is that they are packed with a wide array of vitamins, minerals, phytochemicals and antioxidants, which can help decrease inflammation, reduce blood pressure and lower bad cholesterol. Loading up your meals with these foods can also lower your risk for heart disease, stroke, cancer and diabetes, and you might even shed a few pounds.. A trip through your local farmers market is a great way to get reacquainted with the produce thats filling the bins. Some veggies, such as ramps and fiddlehead ferns, will only be here for a very short time, so get them before theyre gone. If youre not sure what something is, ask the farmers who grow them-they love sharing information about the food they grow, and will probably offer you a sample along with tips on the best way to cook it. And be prepared to encounter lots ...
The demand for increased performance and lower weight of gas turbines gives rise to higher fuel-to-air ratios and a more compact design of the combustion chamber, thereby increasing the potential of fuel escaping unburnt from the combustor. Chemical reactions are likely to occur when the coolant air, used to protect the turbine blades, interacts with the unreacted fuel. Within this work, Reynolds-averaged Navier-Stokes (RANS) simulations of reacting cooling films exposed to high temperature fuel-rich exhaust gases are performed using the commercial computational fluid dynamics (CFD) code ansys fluent and validated against experimental results obtained at the Air Force Research Laboratory in Ohio. The results underline that the choice of the turbulence model has a significant impact on the evolution of the flow field and the mixing effectiveness. The flamelet as well as the equilibrium combustion model is able to predict an adequate distance of the reaction zone normal to the wall. Its thickness, ...
A modified procedure was developed for the measurement of the effective air exchange rate, which represents the relationship between the pollutants emitted from indoor sources and the residents level of exposure, by placing the dosers of tracer gas at locations that resemble indoor emission sources. To measure the 24-h-average effective air exchange rates in future surveys based on this procedure, a low-cost, easy-to-use perfluorocarbon tracer (PFT) doser with a stable dosing rate was developed by using double glass vials, a needle, a polyethylene-sintered filter, and a diffusion tube. Carbon molecular sieve cartridges and carbon disulfide (CS2) were used for passive sampling and extraction of the tracer gas, respectively. Recovery efficiencies, sampling rates, and lower detection limits for 24-h sampling of hexafluorobenzene, octafluorotoluene, and perfluoroallylbenzene were 40% ± 3%, 72% ± 5%, and 84% ± 6%; 10.5 ± 1.1, 14.4 ± 1.4, and 12.2 ± 0.49 mL min−1; and 0.20, 0.17, and 0.26 μg m-3,
Biological Safety Cabinets and Chemical Fume Hoods. By Bukola Akinjobi, Carrie Beard, and Jennifer Roper. Biological Safety Cabinets. Biological Safety Cabinets (BSC): primary means of containment developed for working safely with infectious microorganisms. Why Use BSCs?. Slideshow 1270834 by libitha
[113 Pages Report] Check for Discount on China Biological Safety Cabinet Market Research Report 2017 report by QYResearch Group. The global Biological Safety Cabinet market is valued at XX...
The Purifier Axiom Class II, Type C1 is the first biological safety cabinet that can be used in a recirculating Type A mode for standard microbiological work, or can be connected to an exhaust system to function in Type B mode for handling hazardous chemical vapors or radionuclides. Because of the efficient, well-defined airflow pattern over its work surface, the Axiom is safer and easier to operate than traditional biosafety cabinets.. ...
Minimum resolvable temperature difference (MRTD) is a measure for assessing the performance of infrared cameras, and is inversely proportional to the modulation transfer function. Typically, an operator is asked to assess the minimum temperature difference at which a 4 bar target can be resolved. This minimum difference will change with the spatial frequency of the bar target used. A curve of MRTD against spatial frequency is obtained which characterises the performance of the imaging system. Modern infrared imaging systems can have low spatial frequency MRTDs of tens of millikelvins. A manual subjective test is implemented to determine the MRTD. An operator uses a series of 4-bar targets of different spatial frequencies. For each target he/she adjusts the blackbody, (source of Infrared radiation), temperature up and down until the pattern is "just resolvable." The positive and negative temperature differences are stored into a two dimensional array. The corresponding spatial frequencies used in ...
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Highly pathogenic avian influenza A/H5N1 virus can cause morbidity and mortality in humans but thus far has not acquired the ability to be transmitted by aerosol or respiratory droplet ("airborne transmission") between humans. To address the concern that the virus could acquire this ability under natural conditions, we genetically modified A/H5N1 virus by site-directed mutagenesis and subsequent serial passage in ferrets. The genetically modified A/H5N1 virus acquired mutations during passage in ferrets, ultimately becoming airborne transmissible in ferrets. None of the recipient ferrets died after airborne infection with the mutant A/H5N1 viruses. Four amino acid substitutions in the host receptor-binding protein hemagglutinin, and one in the polymerase complex protein basic polymerase 2, were consistently present in airborne-transmitted viruses. The transmissible viruses were sensitive to the antiviral drug oseltamivir and reacted well with antisera raised against H5 influenza vaccine strains. ...
TY - GEN. T1 - The effect of humidification and temperature difference between PEMFC membrane to water transport phenomena. AU - Huang, Kuan Jen. AU - Hwang, Sheng-Jye. AU - Lai, Wei-Hsiang. PY - 2014/1/1. Y1 - 2014/1/1. N2 - The operating temperature of proton exchange membrane fuel cell (PEMFC) is only at 60∼70 °C. The water and thermal management have important roles in the fuel cell. Especially the water management, it can make fuel cell operate at optimal performance, and avoid drying and flooding phenomenon. This paper discusses the effects of humidification and temperature difference of anode and cathode to the water transport phenomenon in the PEMFC. By the mixing effects of electro-osmosis and back diffusion phenomenon in the membrane, it is hard to distinguish which one determines the major water transport. This paper aims to understand the determining effect of the two phenomena in high constant current density. The results show that electro-osmosis and back diffusion are greatly ...
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Upper Air Movements - Scientific AmericanUpper Air Movements - Scientific American

Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.
more infohttps://www.scientificamerican.com/article/upper-air-movements/?error=cookies_not_supported&code=47b3aa08-3c6d-4d47-ae35-083169c1599e

Hartzell Air Movement Consolidates Manufacturing LocationsHartzell Air Movement Consolidates Manufacturing Locations

Hartzell Air Movement announces a plan to consolidate its Portland, Indiana manufacturing facility into its Piqua, Ohio ... Hartzell Air Movement is a leading manufacturer of industrial air moving solutions to a variety of markets throughout the world ... Hartzell Air Movement will begin this consolidation in May 2014 and be completed by the end of August. All employees will have ... Hartzell Air Movement announces a plan to consolidate its Portland, Indiana manufacturing facility into its Piqua, Ohio ...
more infohttp://www.prweb.com/releases/2014/05/prweb11826834.htm

air movement | AIVCair movement | AIVC

... the difference in density will cause air movements through them.Horizontal air movements through vertical openings in buildings ... Individual differences in preferred air temperature may be as great as 10°C, and preferences for air movement may differ more ... Air Movement by Revolving Doors. The aiflows driven by a revolving door that links two rooms of initially uniform temperature ... Air Movements through Horizontal Openings in Buildings - A Model Study. A building contains a number of large openings, such as ...
more infohttp://aivc.org/keywords/air-movement

AMCA - Air Movement and Control AssociationAMCA - Air Movement and Control Association

... air curtains, air flow measurement stations, acoustic attenuators and other air system components for industrial, commercial ... AMCA is the international association of the worlds manufacturers of air handling equipment. This includes certification ... Air Movement and Control Association. AMCA International serves the air movement and control industry with certification ...
more infohttps://www.techstreet.com/publishers/amca

AMPROBE Air Movement - Test Instruments -  Grainger Industrial SupplyAMPROBE Air Movement - Test Instruments - Grainger Industrial Supply

Searching for AMPROBE Air Movement products? Graingers got your back. Easy ordering & convenient delivery. Log-in or register ... Air Velocity Accuracy +/-5 Percent, Temp. Range 32 Degrees to 122 Degrees F, Relative Humidity Range 5 to 95 Percent, Data Hold ...
more infohttps://www.grainger.com/category/air-movement/test-instruments/ecatalog/N-b7zZ1z0r4pu

1000-$1500 Air Movement - Test Instruments -  Grainger Industrial Supply1000-$1500 Air Movement - Test Instruments - Grainger Industrial Supply

1500 Air Movement products? Graingers got your back. Easy ordering & convenient delivery. Log-in or register for your pricing ... Air Velocity Probe, Hot Wire With Temperature and Humidity, Range Air 0 to 9999 FPM, Temp 0 to 200 F, RH 0 to 95%, Accuracy Air ... Air Velocity Probe, Articulating Hot Wire With Temperature, Range Air 0 to 9999 FPM, Temp 0 to 200 F, Accuracy Air +/-3%, Temp ... Air Velocity Probe, Hot Wire With Temperature and Humidity, Range Air 0 to 9999 FPM, Temp 0 to 200 F, RH 0 to...More ...
more infohttps://www.grainger.com/category/air-movement/test-instruments/ecatalog/N-b7zZj42

Science Project   Air MovementScience Project Air Movement

Design and make devices to show the movements of the air. Then design experiments to create conditions that may cause movement ... Although invisible, we can often feel the air movements or wind. When we make a building we make it strong enough to stand in ... This project is one step towards understanding conditions that cause air movement and learning how we can benefit from this ... Moving air is called wind. But why does air move? What makes it go so fast? and why it becomes a tornado? ...
more infohttp://www.scienceproject.com/projects/intro/elementary/EM002.asp?t=1:52:03

AMCA - Air Movement and Control Association International, Inc.AMCA - Air Movement and Control Association International, Inc.

Copyright 2015 Air Movement and Control Association International, Inc. , 30 West University Drive, Arlington Heights, Illinois ...
more infohttps://amca.org/members/Benefits-of-being-a-Member2018.php

Classroom Activities: Air Movement in Pressure Systems - Texas Instruments - contentClassroom Activities: Air Movement in Pressure Systems - Texas Instruments - content

... students will observe air movement in high and low pressure systems. Students will use observations to determine wind direction ... in a specific region and recognize how the rotation of the earth affects air circulation.,/p> ... In this lesson, students will observe air movement in high and low pressure systems. Students will use observations to ... In this lesson, students will observe air movement in high and low pressure systems. Students will use observations to ...
more infohttps://education.ti.com/en/activity/detail?id=510ACA77E6FF4CF8B51407C47EA6EB4B

Air Movement and Control Association - WikipediaAir Movement and Control Association - Wikipedia

... an A2LA accredited laboratory that tests air control and air movement devices for members of the air control and air movement ... The AMCA Certified Ratings Program (CRP) is a program which allows all manufacturers of air movement and air control devices to ... It applies to a fan or other air moving device when air is used as the test gas with the following exceptions: (a) air ... provides engineers with basic information regarding devices and engineering principles relevant to the air movement and air ...
more infohttps://en.wikipedia.org/wiki/Air_Movement_and_Control_Association

Air movement energy harvesting with wireless sensors - Patent # 8319401 - PatentGeniusAir movement energy harvesting with wireless sensors - Patent # 8319401 - PatentGenius

Through use of these techniques, power may be harvested, for example, through airflow (i.e.air movement) across the charging ... Present embodiments relate to a system and method for converting air movement into power for powering electronic devices. The ... one or more power generating piezoelectric structures that generate power in response to air movement, wherein the one or more ... generating power via one or more power generating piezoelectric structures in response to air movement, wherein the one or more ...
more infohttp://www.patentgenius.com/patent/8319401.html

Air movement | Article about air movement by The Free DictionaryAir movement | Article about air movement by The Free Dictionary

Although some details about the... Explanation of air movement ... Find out information about air movement. see atmosphere ... Air movement , Article about air movement by The Free Dictionary https://encyclopedia2.thefreedictionary.com/air+movement ... air. (redirected from air movement). Also found in: Dictionary, Thesaurus, Medical, Legal. air:. see atmosphereatmosphere. [Gr ... Air movement can be an energy-efficient alternative to air cooling.. Moving air for comfort ...
more infohttps://encyclopedia2.thefreedictionary.com/air+movement

Nature Blue Movement Air - a Royalty Free Stock Photo from PhotocaseNature Blue Movement Air - a Royalty Free Stock Photo from Photocase

Buy this Royalty Free Stock Photo on Nature Blue Movement Air Wind Energy industry Electricity for your Website, Book Cover, ... Nature Blue Movement Air - a Royalty Free Stock Photo from Photocase. Buy this Royalty Free Stock Photo on Nature Blue Movement ... Air Wind Energy industry Electricity Wind energy plant Ecological Expensive for your Editorial or Promotional Website, Book ...
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Sky Blue Movement Air Wind - a Royalty Free Stock Photo from PhotocaseSky Blue Movement Air Wind - a Royalty Free Stock Photo from Photocase

Buy this Royalty Free Stock Photo on Sky Blue Movement Air Wind Leisure and hobbies Point Toys for your Website, Book Cover, ... Sky Blue Movement Air Wind - a Royalty Free Stock Photo from Photocase. Buy this Royalty Free Stock Photo on Sky Blue Movement ... Air Wind Leisure and hobbies Point Toys Wind energy plant Dynamics Ease Breeze for your Editorial or Promotional Website, Book ...
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Clean Air India Movement - WikipediaClean Air India Movement - Wikipedia

"Clean Air India Movement:nation-wide survey report". The Hindu. Retrieved 5 May 2015. "As it happened: Blueair Clean Air India ... Clean Air India Movement - a nationwide campaign to spread awareness about air pollution - has started from Gurgaon. The ... Clean Air India Movement, launched the "Save Your Lungs" campaign to increase awareness of the ill-effects of rising air- ... "Clean Air India Movement won Energy and Environment Foundation Global Environment Award 2016". "Air Quality Monitoring App". ...
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Bernhard Turf Technologies: Cylinder and Reel Sharpening Solutions; Air Movement Solutions; Supplementary Lighting Solutions ::...Bernhard Turf Technologies: Cylinder and Reel Sharpening Solutions; Air Movement Solutions; Supplementary Lighting Solutions ::...

A specialist in sports turf technology, Bernhard and Company is committed to providing leading turf care solutions to golf course and pitch care specialists worldwide. From blade sharpening systems to sports surface aeration and moisture control, the Bernhard product portfolio is focused on providing its global customer base with championship turf and world class playability. Bernhards turf care solutions are used at Top 100 courses and famous sporting venues around the World.
more infohttps://www.bernhard.co.uk/support/users-club/

Wanted-Stockist, Dealers For Ventilation And Air Movement Products business directory,distributor,agent,pcd,distribution india...Wanted-Stockist, Dealers For Ventilation And Air Movement Products business directory,distributor,agent,pcd,distribution india...

Dealers For Ventilation And Air Movement Products - Largest Business Directory of Agents, Distributors, PCD, Franchise, Dealers ... best performing ventilation and air movement products on the market across four continents. We only supply quality air products ... Wanted-Stockist, Dealers for Ventilation and Air Movement Products VERIFIED. Enquiry No. : A-37136 (Kolkata) ... Wanted Distributor for Air Cooler, Water Heaters, Fans and Washing Machine (TAMIL NADU) Dear Sir, GreetingsWe are would like to ...
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Biomimicry Revolutionizes the Movement of Air and Water | TreeHuggerBiomimicry Revolutionizes the Movement of Air and Water | TreeHugger

TreeHugger is big on Biomimicry, the practice of developing healthier, more sustainable technologies inspired by ideas from Nature. Janine Benruss Biomimicry Institute has acolytes all over the world, including TreeHuggers Tim McGee and Carl
more infohttps://www.treehugger.com/clean-technology/biomimicry-revolutionizes-the-movement-of-air-and-water.html

Windswept jewellery captures the movement of air in metalWindswept jewellery captures the movement of air in metal

The movement of air in any given city, on any given day, can be preserved in 3D-printed precious metal as part of the Windswept ... Love & Robots Windswept jewellery captures the movement of air into metal. Share: ... Irish studio Love & Robots has designed jewellery that allows the movement of air in any given city, on any given day, to be ...
more infohttps://www.dezeen.com/2016/06/01/love-robots-windswept-custom-jewellery-design-movement-air-wind-3d-printed-metal/

IDDO Greenland test of the Rapid Air Movement (RAM) drill | IsaaffikIDDO Greenland test of the Rapid Air Movement (RAM) drill | Isaaffik

It uses high velocity air drives to rotate cutters and blows the firn directly out of the borehole, so no cores are recovered. ... Atmospheric Hydrocarbons at GEOSummit, Greenland, as Tracers for Climate Change, Air Pollution Transport, and Oxidation ...
more infohttps://www.isaaffik.gl/iddo-greenland-test-rapid-air-movement-ram-drill

Air Temperature Influenced African Glacial Movements During Last Ice AgeAir Temperature Influenced African Glacial Movements During Last Ice Age

Changes in air temperature, not precipitation, drove the expansion and contraction of glaciers in Africas Rwenzori Mountains ... The results - along with a recent Dartmouth-led study that found air temperature also likely influenced the fluctuating size of ... The results suggest that, on millennial time scales, past fluctuations of Rwenzori glaciers were strongly influenced by air ... cold conditions and retreated when air temperature increased. ... Air Temperature Influenced African Glacial Movements During ...
more infohttps://www.dartmouth.edu/press-releases/africanglacial041614.html

Outline the forces that allow for air movement into and out of the lungs. | Essay LionsOutline the forces that allow for air movement into and out of the lungs. | Essay Lions

Outline the forces that allow for air movement into and out of the lungs.. 1. Pretend you are a molecule of oxygen and describe ... 5. Outline the forces that allow for air movement into and out of the lungs. ... 3. Identify the respiratory organs and structures and outline the process of air inhalation to exhalation through the ...
more infohttps://www.essaylions.com/outline-the-forces-that-allow-for-air-movement-into-and-out-of-the-lungs/

Researcher Studies Indoor Air Particles and Their Movement- All Images | NSF - National Science FoundationResearcher Studies Indoor Air Particles and Their Movement- All Images | NSF - National Science Foundation

NSFs mission is to advance the progress of science, a mission accomplished by funding proposals for research and education made by scientists, engineers, and educators from across the country.
more infohttps://www.nsf.gov/discoveries/disc_images.jsp?cntn_id=128265&org=NSF

News - AirSys Tech Inc. provider of air filtration, air movement, ventilation equipment, finishing systems and design services.News - AirSys Tech Inc. provider of air filtration, air movement, ventilation equipment, finishing systems and design services.

... air movement, ventilation equipment and design. Supplying dust collection, fume collection and mist collection products, fans ... and blowers, ventilation air products, kitchen ventilation, clamp together duct work, finishing systems and design services. ... All these products make NYB the first and best choice for all your air movement needs. ... HPBC fans are designed for clean-air applications, but are capable of handling moist or light particulate-laden airstreams. Air ...
more infohttp://www.airsystech.ca/news

About Us - AirSys Tech Inc. provider of air filtration, air movement, ventilation equipment, finishing systems and design...About Us - AirSys Tech Inc. provider of air filtration, air movement, ventilation equipment, finishing systems and design...

... air movement, ventilation equipment and design. Supplying dust collection, fume collection and mist collection products, fans ... and blowers, ventilation air products, kitchen ventilation, clamp together duct work, finishing systems and design services. ... will be a leading turnkey solutions provider of high performing, reliable and safe air movement, air cleaning, ventilation and ... AirSys Tech Inc. is a leader in the consulting, design and supply of air movement, ventilation equipment, air filtration, ...
more infohttp://www.airsystech.ca/about
  • AMCA International serves the air movement and control industry with certification programs, application manuals, product-rating manuals, test methods and ANSI-approved standards for industrial, commercial, and residential air-handling equipment. (techstreet.com)
  • The Air Movement and Control Association International, Inc. (AMCA) is a long-established American trade body that sets standards for Heating, Ventilation and Air Conditioning (HVAC) equipment. (wikipedia.org)
  • The AMCA Certified Ratings Program (CRP) is a program which allows all manufacturers of air movement and air control devices to obtain an AMCA Seal when their equipment has been tested and rated in accordance with recognized test standards. (wikipedia.org)
  • ANSI/AMCA Standard 210 - Laboratory Methods of Testing Fans for Certified Aerodynamic Performance Rating establishes uniform test methods for a laboratory test of a fan or other air moving device to determine its aerodynamic performance in terms of airflow rate, pressure developed, power consumption, air density, speed of rotation, and efficiency for rating or guarantee purposes. (wikipedia.org)
  • ANSI/AMCA Standard 220 - Laboratory Methods of Testing Air Curtain Units For Aerodynamic Performance Rating establishes uniform methods for laboratory testing of air curtain units to determine aerodynamic performance in terms of airflow rate, outlet air velocity uniformity, power consumption and air velocity projection for rating or guarantee purposes. (wikipedia.org)
  • ANSI/AMCA Standard 230 - Laboratory Methods of Testing Air Circulating Fans for Rating and Certification establishes uniform methods of laboratory testing for air circulating fans in order to determine performance in terms of thrust for rating, certification or guarantee purposes. (wikipedia.org)
  • HPBC fans are designed for clean-air applications, but are capable of handling moist or light particulate-laden airstreams. (airsystech.ca)
  • Although cool temperatures, moist conditions, still air and lack of sunshine favor sporulation, spores can occur and advance in any condition of high humidity even in the absence of significant precipitation. (fedcoseeds.com)
  • But using a humidifier can help the air stay moist. (healthline.com)
  • It is best known for its ratings for fan balance and vibration, aerodynamic performance, air density, speed and efficiency. (wikipedia.org)
  • Our campaign aim is to tell people that we are not helpless individuals when it comes to challenging air pollution. (wikipedia.org)
  • The campaign led a Citizens' Awareness and Attitude Survey and a Lung Health Screening Test suggesting that 35 percent of Kolkata's school-going kids, 36 per cent of Bangalore's school-going kids and 27 per cent of Mumbai's school-going kids suffer poor lung health as a result of air pollution. (wikipedia.org)
  • The Union Minister of State for Environment and Forest Prakash Javadekar vowed to hold tougher pollution laws soon, including the Centre rolling out air index in 11 cities of the nation. (wikipedia.org)
  • Mr Kannan supported the idea of reducing on the pollution levels in the city by reducing the vehicular emission and has supported the many ways of how as an individual we all are capable of helping each other in bringing the toxicity of the air in control. (wikipedia.org)
  • People in general are tormented by the sound and air pollution created by these works at B C Road. (daijiworld.com)
  • Air contains very small quantities of other inert gases, as well as hydrogen (H 2 ), ozone (0 3 ), nitrogen oxides, carbon monoxide (CO), ammonia (NH 3 ), methane (CH 4 ), and sulfur dioxide (SO 2 ). (thefreedictionary.com)
  • We hold the highest standard to the environment by providing clean air systems and a reduced carbon footprint to assure that our future generation has a greener planet. (airsystech.ca)
  • 3. Identify the respiratory organs and structures and outline the process of air inhalation to exhalation through the respiratory system. (essaylions.com)
  • Air movement in reality has many forms, which might create heat flows and thermal sensations that cannot be accurately predicted by a simple whole-body model, and the affected body surface might be variably nude (e.g. face) or clothed. (aivc.org)
  • The content of nitrogen, oxygen, and inert gases in air is virtually constant, since a constant concentration of oxygen-and in part nitrogen-is maintained by the plants of the earth. (thefreedictionary.com)
  • The new fans are ideally suited for a wide range of clean-air applications requiring a tight footprint. (airsystech.ca)
  • A bit humid air was preferred by all respondents as mean humidity sensation vote was bit drier for all of them. (scribd.com)
  • The Clean Air India Movement, initiated by the Blueair, has been associated with a huge spectrum of activities that promote better environment and embraces full support to Car Free Day's in Delhi and a Car Free Day in the national capital region (NCR). (wikipedia.org)
  • It has a grille that is resistant to rust, and this portable air circulator is compliant with the rule and regulations of OSHA. (hottydeals.com)
  • This portable air circulating fan weighs roughly 37 ½ pounds. (hottydeals.com)
  • Areas of use- This portable air circulating fan can be used in various areas. (hottydeals.com)
  • Air-handling efficiencies of the HPBC fans are higher than common radial fans and, therefore, offer lower noise levels. (airsystech.ca)
  • In ASHRAE Standard 55-2010, the cooling effects of elevated air movement are evaluated using the SET index as computed by the Gagge 2-Node model of whole-body heat balance. (aivc.org)
  • Gr.,=sphere of air], the mixture of gases surrounding a celestial body with sufficient gravity to maintain it. (thefreedictionary.com)
  • spread over 800 square meters, nendo 's 10 concepts are based on the idea of movement and hope to shed light on the studio's creative processes headed by japanese designer oki sato. (designboom.com)
  • Taking into account the molecular weight of each component and its proportion in the composition of air, it is possible to calculate the mean molecular weight of air as 28.966 (approximately 29). (thefreedictionary.com)
  • Air is the source of the oxygen that is necessary for normal existence of the overwhelming majority of living organisms. (thefreedictionary.com)