A colorless, odorless gas that can be formed by the body and is necessary for the respiration cycle of plants and animals.
The pressure that would be exerted by one component of a mixture of gases if it were present alone in a container. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
An infant during the first month after birth.
Measurement of oxygen and carbon dioxide in the blood.
Continuous recording of the carbon dioxide content of expired air.
An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration.
A clinical manifestation of abnormal increase in the amount of carbon dioxide in arterial blood.
The scattering of x-rays by matter, especially crystals, with accompanying variation in intensity due to interference effects. Analysis of the crystal structure of materials is performed by passing x-rays through them and registering the diffraction image of the rays (CRYSTALLOGRAPHY, X-RAY). (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
A type of stress exerted uniformly in all directions. Its measure is the force exerted per unit area. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
The pressure due to the weight of fluid.
The study of crystal structure using X-RAY DIFFRACTION techniques. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
The characteristic three-dimensional shape of a molecule.
The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds.
Analysis of the energy absorbed across a spectrum of x-ray energies/wavelengths to determine the chemical structure and electronic states of the absorbing medium.
A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Water in its gaseous state. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
A phase transition from liquid state to gas state, which is affected by Raoult's law. It can be accomplished by fractional distillation.
A measure of the amount of WATER VAPOR in the air.
The contribution to barometric PRESSURE of gaseous substance in equilibrium with its solid or liquid phase.
Means or process of supplying water (as for a community) usually including reservoirs, tunnels, and pipelines and often the watershed from which the water is ultimately drawn. (Webster, 3d ed)
Loss of water by diffusion through the skin and by evaporation from the respiratory tract.
Complex petroleum hydrocarbons consisting mainly of residues from crude oil distillation. These liquid products include heating oils, stove oils, and furnace oils and are burned to generate energy.
The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed)
The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms.
The vapor state of matter; nonelastic fluids in which the molecules are in free movement and their mean positions far apart. Gases tend to expand indefinitely, to diffuse and mix readily with other gases, to have definite relations of volume, temperature, and pressure, and to condense or liquefy at low temperatures or under sufficient pressure. (Grant & Hackh's Chemical Dictionary, 5th ed)
Argon. A noble gas with the atomic symbol Ar, atomic number 18, and atomic weight 39.948. It is used in fluorescent tubes and wherever an inert atmosphere is desired and nitrogen cannot be used.
A process of separating particulate matter from a fluid, such as air or a liquid, by passing the fluid carrier through a medium that will not pass the particulates. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
The motion of air relative to the earth's surface.
Organic compounds containing a carbonyl group in the form -CHO.
An enzyme that oxidizes an aldehyde in the presence of NAD+ and water to an acid and NADH. This enzyme was formerly classified as EC
A rigorously mathematical analysis of energy relationships (heat, work, temperature, and equilibrium). It describes systems whose states are determined by thermal parameters, such as temperature, in addition to mechanical and electromagnetic parameters. (From Hawley's Condensed Chemical Dictionary, 12th ed)
Oxidoreductases that are specific for ALDEHYDES.
Organic compounds containing the carboxy group (-COOH). This group of compounds includes amino acids and fatty acids. Carboxylic acids can be saturated, unsaturated, or aromatic.
The study of the development of an organism during the embryonic and fetal stages of life.
Any of the numerous types of clay which contain varying proportions of Al2O3 and SiO2. They are made synthetically by heating aluminum fluoride at 1000-2000 degrees C with silica and water vapor. (From Hawley's Condensed Chemical Dictionary, 11th ed)
The condition that results from excessive loss of water from a living organism.
The processes by which organisms use simple inorganic substances such as gaseous or dissolved carbon dioxide and inorganic nitrogen as nutrient sources. Contrasts with heterotrophic processes which make use of organic materials as the nutrient supply source. Autotrophs can be either chemoautotrophs (or chemolithotrophs), largely ARCHAEA and BACTERIA, which also use simple inorganic substances for their metabolic energy reguirements; or photoautotrophs (or photolithotrophs), such as PLANTS and CYANOBACTERIA, which derive their energy from light. Depending on environmental conditions some organisms can switch between different nutritional modes (autotrophy; HETEROTROPHY; chemotrophy; or PHOTOTROPHY) to utilize different sources to meet their nutrient and energy requirements.
A geographic area of east and southeast Asia encompassing CHINA; HONG KONG; JAPAN; KOREA; MACAO; MONGOLIA; and TAIWAN.
A region, north-central Asia, largely in Russia. It extends from the Ural Mountains to the Pacific Ocean and from the Arctic Ocean to central Kazakhstan and the borders of China and Mongolia.
Removal of moisture from a substance (chemical, food, tissue, etc.).
Tools or devices for generating products using the synthetic or chemical conversion capacity of a biological system. They can be classical fermentors, cell culture perfusion systems, or enzyme bioreactors. For production of proteins or enzymes, recombinant microorganisms such as bacteria, mammalian cells, or insect or plant cells are usually chosen.
A residue of coal, left after dry (destructive) distillation, used as a fuel.
The facilitation of a chemical reaction by material (catalyst) that is not consumed by the reaction.
Unsaturated hydrocarbons of the type Cn-H2n, indicated by the suffix -ene. (Grant & Hackh's Chemical Dictionary, 5th ed, p408)
The rate dynamics in chemical or physical systems.
A chemical element having an atomic weight of 106.4, atomic number of 46, and the symbol Pd. It is a white, ductile metal resembling platinum, and following it in abundance and importance of applications. It is used in dentistry in the form of gold, silver, and copper alloys.
A vertical distance measured from a known level on the surface of a planet or other celestial body.
Critical analyses of books or other monographic works.
A disturbance in the prooxidant-antioxidant balance in favor of the former, leading to potential damage. Indicators of oxidative stress include damaged DNA bases, protein oxidation products, and lipid peroxidation products (Sies, Oxidative Stress, 1991, pxv-xvi).
An autonomous region located in central Asia, within China.
Multiple symptoms associated with reduced oxygen at high ALTITUDE.
A sport involving mountain climbing techniques.
Prolonged exposure to above-normal oxygen partial pressures, or shorter exposures to very high partial pressures, can cause ... In low-pressure environments oxygen toxicity may be avoided since the toxicity is caused by high partial pressure of oxygen, ... to partial pressures of oxygen above 1.6 bars (160 kPa)-about eight times normal atmospheric partial pressure-are usually ... while-at the same partial pressure of oxygen-the presence of significant partial pressures of inert gases, typically nitrogen, ...
Likewise Kp for gases depends on partial pressure. These constants are easier to measure and encountered in high-school ... Fugacity, f, is the product of partial pressure and fugacity coefficient. The chemical potential of a species in the real gas ... For reactions in the gas phase partial pressure is used in place of concentration and fugacity coefficient in place of activity ... partial {\mathcal {G}}}{\partial N_{j}}}=\mu _{j}+\sum _{i=1}^{k}\lambda _{i}a_{ij}} 0 = ∂ G ∂ λ i = ∑ j = 1 m a i j N j − b i ...
Reported side effects include anxiety and panic, thought to be caused by interaction with high partial pressure of nitrogen and ... Some drugs which affect brain function have unpredictable effects on a diver exposed to high pressure in deep diving. Some ... There is also no reliable evidence that epileptics are differently sensitive to raised partial pressures of oxygen. It is now ... Side effects at increased partial pressure of nitrogen are unclear. In combination with some other medications they can cause ...
With exposure at higher altitudes, alveolar carbon dioxide partial pressure (PCO2) decreases from 40 mmHg (sea level) to lower ... This pressure is always below 20% of the total barometric pressure. At sea level, alveolar partial pressure of oxygen is 104 ... the barometric pressure is 87 mmHg. As the barometric pressure decreases, atmospheric partial pressure decreases also. ... Carbon dioxide partial pressure reduces and corporal fluids pH increase. These actions inhibit the respiratory center of the ...
Economic pressures forced Crum to run a partial schedule in 2009. The mixed schedule included Crum's ARCA Racing Series debut, ... Crum qualified 13th for the event and was running as high as 7th when contact with his teammate sent him to the pits for repair ... In 2008, Crum set the bar one notch higher by clinching the UARA-Stars Championship driving for the family-owned operation. ...
... there is only a range of partial pressures at which it does. Heat can be applied to drive the reaction at higher pressures. In ... It is obtained by heating white phosphorus under high pressures (about 12,000 standard atmospheres or 1.2 gigapascals). It can ... RDAs are higher than EARs so as to identify amounts that will cover people with higher than average requirements. RDA for ... At still higher temperatures, P2 dissociates into atomic P. Red phosphorus is polymeric in structure. It can be viewed as a ...
Oxygen service implies use in contact with high partial pressures of oxygen. Generally this is taken to mean a higher partial ... Oxygen cleaning is a necessary, but not always a sufficient condition for high partial pressure or high concentration oxygen ... In an oxygen system the presence of oxygen is implied, and in a sufficiently high partial pressure of oxygen, most materials ... cleaning is preparation for oxygen service by ensuring that the surfaces that may come into contact with high partial pressures ...
in 1972, using high pressure Xenon gas. Definitive evidences of a xenon excimer laser action at 173 nm using a high pressure ... As the chlorine reacted, hydrogen was released, increasing the partial pressure. The net result was the same as adding hydrogen ... Koehler, H.A.; Ferderber, L.J.; Redhead, D.L.; Ebert, P.J. (September 1972). "Stimulated VUV emission in highpressure xenon ... However, with the semiconductor industry's need for both higher resolution (to produce denser and faster chips) and higher ...
The partial pressure of carbon dioxide (XCO2) in aqueous solution favors production of anthophyllite. Higher partial pressures ...
However, equilibrium shifts to the left at higher temperatures. At 1073 K, the partial pressures were 7.3 and 31.3 mm Hg, ... with partial pressure of 0.72 mm Hg versus 0.62 for the dichloride. ... doi:10.1002/zaac.19522680105 W. D. Halstead (1975): "A review of saturated vapour pressures and allied data for the principal ... The compound has been reported to exist in the gas phase at high temperatures, in equilibrium with cobalt(II) chloride and ...
This creates a high partial pressure, reducing the average separation of hydrogen isotopes. However, the reduction in ... The calculated power leaving the cell was significantly higher than the input power during these high temperature phases. ... These high temperature phases would last for two days or more and would repeat several times in any given experiment once they ... If the higher temperatures were real, and not an experimental artifact, the energy balance would show an unaccounted term. In ...
However, high steam partial pressures and low hydrogen partial pressures at the Ni-YSZ interface causes oxidation of the nickel ... created a model to calculate the internal oxygen partial pressure from the oxygen partial pressure exposed to the electrodes ... leading to issues such as high steam concentrations at the fuel electrode and high oxygen partial pressures at the electrolyte/ ... The delamination is a result of high oxygen partial pressure build up at the electrolyte-anode interface. Pores in the ...
The partial pressure of each component gas adds to the overall barometric pressure. However, the elimination of diluent gases ... Natural systems have the highest degree of efficiency due to integration of multiple functions. They also provide the proper ... Underwater habitats differ in that the ambient external pressure is the same as internal pressure, so some engineering problems ... It must also maintain the correct body temperature, an acceptable pressure on the body and deal with the body's waste products ...
... or a higher partial pressure of oxygen. Thus, any point in the curve will shift rightwards (due to increased partial pressure ... Hence higher affinity to bind oxygen is required at lower levels of partial pressure in the fetus to allow diffusion of oxygen ... This makes it more difficult for hemoglobin to bind to oxygen (requiring a higher partial pressure of oxygen to achieve the ... In the lungs, at the alveolar-capillary interface, the partial pressure of oxygen is typically high, and therefore the oxygen ...
Furthermore, hydrogen production by this bacterium is not inhibited at high hydrogen partial pressures; however, its yield is ... K. aerogenes has a short doubling time and high hydrogen productivity and evolution rate. ...
Furthermore, hydrogen production by this bacterium is not inhibited at high hydrogen partial pressures; however, its yield is ... High hydrogen yield from a two-step process of dark-and photo-fermentation of sucrose Asadi, Nooshin; Zilouei, Hamid (March ... E. aerogenes has a short doubling time and high hydrogen productivity and evolution rate. ...
Using a gas mixture with a high partial pressure of oxygen. hot water suit A loose fitting wetsuit supplied with heated water ... HP High pressure, generally gas pressures in excess of 30 bar. In most of the world a high pressure diving cylinder is a 300 ... Generally intake gas is at ambient pressure, outlet gas at higher pressure. High pressure breathing air compressor output ... transfill Fill cylinder with gas by transfer from a cylinder with higher pressure. transfill whip High pressure hose and end ...
"High Temperature Hydrogen Attack" does not rely on atomic hydrogen. At high temperature and high hydrogen partial pressure, ... The methane molecules create a pressure buildup in the metal lattice voids, which leads to embrittlement and even cracking of ... Sulfidic corrosion, also known as sulfidation, is the term used for high temperature corrosion (above 450F / above approx. 260° ...
... it will diffuse across the partial pressure gradient). Atmospheric hypoxia occurs naturally at high altitudes. Total ... The partial pressure of oxygen in the atmosphere is 20.9% of the total barometric pressure. In water, oxygen levels are much ... atmospheric pressure decreases as altitude increases, causing a lower partial pressure of oxygen which is defined as hypobaric ... Hypoxia can occur throughout the water column and also at high altitudes as well as near sediments on the bottom. It usually ...
2's partial pressure is the fraction of O. 2 times the total pressure, elevated partial pressures can occur either from high O ... Hyperbaric (high-pressure) medicine uses special oxygen chambers to increase the partial pressure of O. 2 around the patient ... 2 partial pressure in the astronaut's arterial blood is only marginally more than normal sea-level O. 2 partial pressure.[122] ... resulting in a normal blood partial pressure of O. 2. This trade-off of higher oxygen concentration for lower pressure is ...
PaCO - Partial pressure of CO at sea level (765 mmHg) in arterial blood is approximately 0.02. It can be slightly higher in ... PaO2 - Partial pressure of oxygen at sea level (765 mmHg) in arterial blood is between 75 mmHg and 100 mmHg.[4][5][6] ... PaCO2 - Partial pressure of carbon dioxide at sea level (765 mmHg) in arterial blood is between 35 mmHg and 45 mmHg.[9] ... Blood gas tension refers to the partial pressure of gases in blood.[1] There are several significant purposes for measuring gas ...
Undoped and doped ceria also exhibit high electronic conductivity at low partial pressures of oxygen due to reduction of the ... The value of x depends on both the temperature, surface termination and the oxygen partial pressure. The equation x 0.35 − x ... has been shown to predict the equilibrium non-stoichiometry x over a wide range of oxygen partial pressures (103-10−4 Pa) and ... it exhibits several defects depending on partial pressure of oxygen or stress state of the material. The primary defects of ...
Higher temperatures and hydrogen partial pressures favor the hydrogenation of the resulting aldehyde to the alcohol. For the ... also known as low-pressure oxo process (LPO), relies on a rhodium catalyst dissolved in high-boiling thick oil, a higher ... Low temperatures and high carbon monoxide pressure and an excess of phosphine, which blocks free coordination sites, can lead ... A high reaction temperature and low carbon monoxide pressure favors the isomerization of the Markovnikov product to the ...
The reduction in the partial pressure of inspired oxygen at higher altitudes lowers the oxygen saturation of the blood, ... The ambient pressure at 190 msw is sufficient to provide a partial pressure of about 0.4 bar, which is suitable for saturation ... The binding capacity of hemoglobin is influenced by the partial pressure of oxygen in the environment, as described in the ... Oxygen diffuses from the breathed air, mixed with water vapour, to arterial blood, where its partial pressure is around 100 ...
The lungs and brain are particularly affected by high partial pressures of oxygen, such as are encountered in diving. The body ... but higher partial pressures rapidly increase the chance of the most dangerous effect of oxygen toxicity, a convulsion ... which has been breathed under high pressure and dissolved into the body tissues, forms bubbles as the pressure is reduced on ... The disorders are caused by breathing gas at the high pressures encountered at depth, and divers will often breathe a gas ...
... this indicates a zone of partial melting which is possible only under high temperature and pressure conditions. It is visible ... The granitic intrusions within the high-grade metasediments were produced by subduction of the ocean crust and partial melting ... the high-grade rocks are coarser-grained and contain minerals that reflect higher temperatures. ... Igneous and high-grade metamorphic rocks are associated with the orogeny. By extrapolating the now-eroded and tilted beds ...
The molar chemical potential is also known as partial molar free energy. When both temperature and pressure are held constant, ... When a ball rolls down a hill, it is moving from a higher gravitational potential (higher internal energy thus higher potential ... In electrochemistry, ions do not always tend to go from higher to lower chemical potential, but they do always go from higher ... Chemical potential is also referred to as partial molar Gibbs energy (see also partial molar property). Chemical potential is ...
This method has the added advantage of allowing calibration at higher oxygen partial pressure than 1 bar. This procedure may be ... Pre-dive calibration of the cells can only check response to partial pressures up to 100% at atmospheric pressure, or 1 bar. As ... When the partial pressure is between the upper and lower set-points, it is suitable for breathing at that depth and is left ... When new, a sensor can produce a linear output for over 4 bar partial pressure of oxygen, and as the anode is consumed the ...
Higher concentrations of CO 2 resulted in a higher partial pressure of CO 2 over the ocean. This greater pressure of ... Calcium carbonate is more soluble at lower temperatures and at higher pressures. It is also more soluble if the concentration ... The exact value of the CCD depends on the solubility of calcium carbonate which is determined by temperature, pressure and the ... The CCD is relatively shallow in high latitudes with the exception of the North Atlantic and regions of Southern Ocean where ...
After take-off, the plane climbed steeply as a result of higher than calculated weight on the aircraft. Even though both pilots ... "AIR MIDWEST FLIGHT 5481 CREW AND PARTIAL PASSENGER NAME LIST NOTIFICATION #4", US Airways ... Air Midwest publicly apologized for the incident after the family of crash victim Christiana Grace Shepherd pressured the ...
According to Agnes Arber's partial-shoot theory of the leaf, leaves are partial shoots,[36] being derived from leaf primordia ... Marloth, Rudolf (1913-1932). The Flora of South Africa: With Synopical Tables of the Genera of the Higher Plants. 6 vols. Cape ... Stomatal opening is controlled by the turgor pressure in a pair of guard cells that surround the stomatal aperture. In any ... Closed: Higher order veins are connected in loops without ending freely among the cells. These tend to be in leaves with smooth ...
... has a high mortality rate among primates.[241] Frequent outbreaks of Ebola may have resulted in the deaths of 5,000 ... Death, if it occurs, follows typically six to sixteen days after symptoms appear and is often due to low blood pressure from ... partial thromboplastin time, and bleeding time.[96] Filovirions such as EBOV may be identified by their unique filamentous ... However, the high rates of death in these species resulting from EBOV infection make it unlikely that these species represent a ...
high blood pressure[8]. *poor short-term memory. *irritability. *excess hair growth (women)[3] ... was that the basophil adenoma Minnie might have harbored underwent partial infarction, leading to symptom regression.[3] The ... Results of 4x higher cortisol levels than normal are likely to be Cushing's disease.[7][9] This test should be repeated three ... Reasons for the trend are unknown, but better diagnostic tools, and a higher incidence rate are two possible explanations.[19] ...
Tick densities tend to be highest in woodlands, followed by unmaintained edges between woods and lawns (about half as high), ... partial loss of vision may also occur.[30] Cranial neuritis is an inflammation of cranial nerves. When due to Lyme, it most ... "unfounded public fears place pressures on vaccine developers that go beyond reasonable safety considerations."[21] The original ... People with high fever for more than two days or whose other symptoms of viral-like illness do not improve despite antibiotic ...
This negative pressure generates airflow because of the pressure difference between the atmosphere and alveolus. Air enters, ... It may occur in partial obstruction of a large airway, as in e.g. congenital lobar emphysema, bronchial atresia and mucous ... which results in expansion of the intrapleural space and an increase in negative pressure according to Boyle's law. ...
4 ions in a sea of delocalised electrons) at very high pressures (though less than the typical pressure where transitions from ... Partial substitution is quite possible and rather non-toxic: a 70 kg person contains on average 0.36 g of rubidium, and an ... Various phases are known, such as LiB10, NaB6, NaB15, and KB6.[111][112] Under high pressure the boron-boron bonding in the ... under extremely high pressures, such as those found at the cores of Jupiter and Saturn, hydrogen does become metallic and ...
Higher incidence rates were reported in 1985-1994 than in 1975-1983. There is some debate as to the reasons; one theory is that ... Pressure areas where the brain tissue has been compressed by a tumor also appear hyperintense on T2-weighted scans and might ... Surgery: complete or partial resection of the tumor with the objective of removing as many tumor cells as possible. ... These tumors show a high frequency of co-deletions of the p and q arms of chromosome 1 and chromosome 19 respectively (1p19q co ...
"An Effective Approach to High Blood Pressure Control: A Science Advisory From the American Heart Association, the American ... and can include partial or complete deafness.[1] ... and high clustering of incidence near high intensity sampling ... Lassa high risk areas are near the western and eastern extremes of West Africa. As of 2018, the Lassa belt includes Guinea, ... High risk groups include pregnant women and newborns. The latter may have an 87% fatality rate. The "Swollen baby syndrome" ...
... males suffered generally higher death rates than females,[214] although the rate of female infant death was higher than for ... Note also that The Statesman was the only major newspaper that had acquiesced to (or been persuaded by) government pressure to ... to a partial shift away from the productive aman rice cultivar to less productive cultivars, and provided a more hospitable ... It was, in fact, 13% higher than in 1941, and there was, of course, no famine in 1941."[181] The Famine Commission Report ...
Similar to EAC, it is also noted for its low pressure drop, high mechanical strength and low dust content, but with a smaller ... The heat treatment stage utilises the exothermic nature of adsorption and results in desorption, partial cracking and ... These are mainly used for gas phase applications because of their low pressure drop, high mechanical strength and low dust ... It is a measure of activity level (higher number indicates higher degree of activation[23]) often reported in mg/g (typical ...
... at high densities. This creates a high partial pressure, reducing the average separation of hydrogen isotopes. However, the ... The calculated power leaving the cell was significantly higher than the input power during these high temperature phases. ... Conventional deuteron fusion is a two-step process,[text 6] in which an unstable high energy intermediary is formed:. D + D → 4 ... These high temperature phases would last for two days or more and would repeat several times in any given experiment once they ...
The static pressure in the first measuring tube (1) is higher than at the second (2), and the fluid speed at "1" is lower than ... Water aspirators that produce a partial vacuum using the kinetic energy from the faucet water pressure ... the theoretical pressure drop at the constriction is given by: p. 1. −. p. 2. =. ρ. 2. (. v. 2. 2. −. v. 1. 2. ). {\ ... Differential pressure[edit]. Main article: Pressure head. As fluid flows through a venturi, the expansion and compression of ...
A male porcupine urinates on a female porcupine prior to mating, spraying the urine at high velocity.[61][62][63][64][65] ... A partial squatting position (or "hovering") by females while urinating is often done to avoid sitting on a potentially ... Therefore, the pressure increase is slight until the organ is relatively full. The bladder's smooth muscle has some inherent ... They often urinate on vegetation, or on tree trunks at least one meter high.[138] Male lions spray 1-20 jets of urine at an ...
... has been the lack of a consistent pattern of higher failure rates for higher temperature drives or for those drives at higher ... If damage is initially only partial, continued rotation of the drive may extend the damage until it is total.[13] ... The air filters on today's drives equalize the atmospheric pressure and moisture between the drive enclosure and its outside ... had higher failure rates than hard drives with the highest reported average temperature of 50 °C (122 °F), failure rates at ...
They were a well-established middle-class ethnic group and made up a high percentage of Vietnam's upper class.[8] Hoa people ... At first, they sought to pressure ethnic Chinese to adopt Vietnamese citizenship, but only a handful of Hoa cadres complied, ... are Vietnamese people of full or partial Han Chinese ancestry.[3] They are an ethnic minority group in Vietnam and a part of ... This sharply contrasted with the high representation of people of Chinese descent who were able to serve the Nguyễn court under ...
1987). "New partial skeleton of Homo habilis from Olduvai Gorge, Tanzania". Nature. 327 (6119): 205-209. doi:10.1038/327205a0. ... Other selective pressures, including diet, can also dramatically impact dental anatomy.[38] The spatial distribution of tools ... At 61-76 cm (2-2.5 ft) intervals, rocks were piled up to 15-23 cm (6-9 in) high. Mary Leakey suggested the rock piles were used ... Early Homo, compared to australopithecines, are generally thought to have consumed high quantities of meat and, in the case of ...
... also known as a high propagule pressure).[20]. An introduced species might become invasive if it can outcompete native species ... Since the 1970s, large scale efforts have been underway to reduce invasive species; partial success has led to re-establishment ... High demand for the valuable Chinese mitten crab is one explanation for the possible intentional release of the species in ... In 1958, Charles S. Elton[38] claimed that ecosystems with higher species diversity were less subject to invasive species ...
"High Eye Pressure and Glaucoma." Glaucoma Research Foundation. N.p., 5 Sept. 2013. Web.,. "High Eye Pressure and Glaucoma". ... Later versions of Microsoft Windows include an Accessibility Wizard & Magnifier for those with partial vision, and Microsoft ... Glaucoma is a congenital and pediatric eye disease characterized by increased pressure within the eye or intraocular pressure ( ... Increases in atmospheric pressure and humidity increase a person's ability to use sound to their advantage as wind or any form ...
... has the 27th-highest maternal mortality rate in the world.[104] The HIV/AIDS rate was 19th-highest in the world, ... "Partial rejection of UN peace plan" Archived 15 May 2011 at the Wayback Machine, IRIN, 2 November 2006. ... The French responded to Samori Ture's expansion and conquest with military pressure. French campaigns against Samori Ture, ... Ivory Coast has, for the region, a relatively high income per capita (US$1,662 in 2017) and plays a key role in transit trade ...
In man, an oral dose of 50 mg produced no effects on blood pressure. Later studies by Lands and Grant on the effects of racemic ... D. A. Durden, A. V. Juorio and B. A. Davis (1980). "Thin-layer chromatographic and high resolution mass spectrometric ... "Halostachine" was thus interpreted as having partial agonist properties at β2 receptors. The pharmacokinetics of N- ... on blood pressure in intact dogs showed similar results to those obtained by Chen et al.: 0.41 mg/kg of the drug, given i.v., ...
High pressure breathing air compressor. *Low pressure breathing air compressor. *Gas blending *Gas blending for scuba diving ... which keeps the air pressure inside the wet porch the same as the water pressure at that depth ('ambient pressure'), about 2.6 ... Ambient pressure. *Atmospheric pressure. *Gauge pressure. *Hydrostatic pressure. *Metre sea water. *Partial pressure ... it can also be pressurized to ambient pressure, and is usually held at a pressure in between. The smallest compartment, the ...
C and isotopically heavy CH4 production by a hyperthermophilic methanogen under high-pressure cultivation". Proceedings of the ... and either a complete or partial citric acid cycle.[116] These similarities to other organisms probably reflect both early ... or any other competitive selective pressure, could also explain their adaptation to extreme environments (such as high ... It has been proposed that the archaea evolved from gram-positive bacteria in response to antibiotic selection pressure.[67][69] ...
The high temperature required for this reaction is not practically achievable by traditional combustion, so the reaction is ... Today acetylene is mainly manufactured by the partial combustion of methane or appears as a side product in the ethylene stream ... at 101 kPa pressure and 20 °C (68 °F) temperature). Impurities present in the carbide include phosphide, which produces ... Calcium carbide reacts with nitrogen at high temperature to form calcium cyanamide:[5] ...
Atmospheric Formaldehyde was 160% higher in Brazil, and Acetaldehyde was 260% higher.[75] ... Syngas, a mixture of carbon monoxide, hydrogen and other hydrocarbons, is produced by partial combustion of biomass, that is, ... Hydrocracking is a refinery method that uses elevated temperatures and pressure in the presence of a catalyst to break down ... In high-altitude (thin air) locations, some states mandate a mix of gasoline and ethanol as a winter oxidizer to reduce ...
The purpose of these tasks is to force an applicant into a pressured setting and less to test his or her specific skills. ... The regulations do not call for much experience or any higher qualifications, but in practice both are common, and these grades ... Here is a partial list of the many medical specialties, including:. *Internal Medicine ... Students may be matched to programs very low on their rank list, especially when the highest priorities consist of competitive ...
a b c d e f The United Nations, Office of the High Commissioner of Human Rights, What are human rights?. Retrieved 14 August ... Scott, C. (1989). "The Interdependence and Permeability of Human Rights Norms: Towards a Partial Fusion of the International ... These organisations collect evidence and documentation of human rights abuses and apply pressure to promote human rights. ... The most senior body of the UN with regard to human rights is the Office of the High Commissioner for Human Rights. The United ...
The states that had adopted suffrage are colored white (or dotted and crosses, in case of partial suffrage) and the others ... In addition, Governor Roberts was getting pressure - even from President Woodrow Wilson - to call a special legislative session ... Suffrage was established on a full or partial basis by various towns, counties, states and territories during the latter ... Graham, Sarah Hunter (April 1993). "Woman Suffrage in Virginia: The Equal Suffrage League and Pressure-Group Politics, 1909- ...
At lower temperatures the reaction speed is too slow for practical applications.) Very low partial pressures of oxygen and ... Fluxes for high-temperature soldering differ from the fluxes for use at lower temperatures. At higher temperatures even ... Water-soluble organic fluxes tend to contain vehicles based on high-boiling polyols - glycols, diethylene glycol and higher ... The operation has to be performed at low pressure, as the stability of atomic hydrogen at atmospheric pressure is insufficient ...
Water has unusually high specific heat capacity among commonly available liquids at room temperature and atmospheric pressure ... That heat is then rejected to the atmosphere by the partial evaporation of the water in cooling towers where upflowing air is ... Water cooling also has a boiling point temperature of around 100 degrees C at atmospheric pressure. Engines operating at higher ... and potable water are sometimes used in industrial plants requiring high-purity cooling water. Production of these high purity ...
The aim of this study was to determine whether a higher level of partial pressure of arterial carbon dioxide (PaCO2) within the ... The aim of this study was to determine whether a higher level of partial pressure of arterial carbon dioxide (PaCO2) within the ... The Organ-Protective Effect of Higher Partial Pressure of Arterial Carbon Dioxide in the Normal Range for Infant Patients ... We recorded the end-expiratory tidal partial pressure of carbon dioxide (Pet-CO2) as an indirect and continuous way to reflect ...
Partial removal of skull (decompressive craniectomy) to lower treatment-resistant high pressure in the skull and brain after ... This excess pressure is known as high intracranial pressure (ICP), and is a frequent cause of death and disability in brain- ... High intracranial pressure (ICP) is the most frequent cause of death and disability after severe traumatic brain injury (TBI). ... Decompressive craniectomy for the treatment of high intracranial pressure in closed traumatic brain injury. Cochrane Database ...
... ... In this process, glass fiber structures are integrated into aluminum by a high pressure die casting process. These structures ... The key challenges are the positioning, pre-tensioning and infiltration of the glass fiber structures within the high pressure ...
... Show ... Performance of Various Models in Predicting Vital Capacity Changes Caused by Breathing High Oxygen Partial Pressures.. Rubicon ... Performance of Various Models in Predicting Vital Capacity Changes Caused by Breathing High Oxygen Partial Pressures.. ... A moderately large body of deltaVC data exists for periods during and after exposure to elevated oxygen partial pressure (PO2), ...
A bulk modulus of K0 = 62(1) GPa and its pressure derivative, K0 = 4.9(2) was determined from high pressure SXD results. Both ... We report a study of high pressure x-ray absorption (XAS) performed in the partial fluorescence yield mode (PFY) at the U L3 ... Under compression, the PFY-XAS results show that the white line is shifted by +4.1(3) eV at the highest applied pressure of ... in relative amplitude of the white line with respect to the edge jump point towards 6d band broadening under high pressure. ...
Absorption Rate into a MDEA Aqueous Solution Blended with Piperazine under a High CO 2 Partial Pressure ...
High-pressure partial melting of mafic lithologies in the mantle. / Kogiso, T.; Hirschmann, M. M.; Pertermann, M. ... Kogiso T, Hirschmann MM, Pertermann M. High-pressure partial melting of mafic lithologies in the mantle. Journal of Petrology. ... Kogiso, T. ; Hirschmann, M. M. ; Pertermann, M. / High-pressure partial melting of mafic lithologies in the mantle. In: Journal ... Kogiso, T., Hirschmann, M. M., & Pertermann, M. (2004). High-pressure partial melting of mafic lithologies in the mantle. ...
Higher atmospheric or oxygen partial pressure. One idea for the pre-Flood world, derived partly from the fallacious pre-Flood ... depend on partial pressure, not concentration. But for a given total pressure, partial pressure is proportional to the ... The partial pressure of a gas is the pressure it would exert if it occupied the whole volume. The ability of oxygen to diffuse ... The sum of partial pressures of all gases in a mixture equals the total pressure of the gas mixture-at least for ideal gases ( ...
... slag experiments after 72 h are consistent with a kinetics enhancement of the former reaction when a CO2 partial pressure ... slag experiments after 72 h are consistent with a kinetics enhancement of the former reaction when a CO2 partial pressure ... High-Temperature Steel Slag Carbonation. Influence of CO2 Partial Pressure on Hydrogen Production. In order to investigate the ... Therefore, high-temperature oxidation under CO2 partial pressure can potentially meet a double valorization objective. ...
...   ... High oxygen partial pressure decreases anemia-induced heart rate increase equivalent to transfusion. ...
Purpose To analyze if live high-train low (LHTL) effectiveness is improved when daily training is guided by heart rate ... Partial pressure of inspired oxygen. QSFMS. Questionnaire of the French Society of Sports Medicine ... Brocherie F, Millet GP, Hauser A, Steiner T, Rysman J, Wehrlin JP, Girard O (2015) "Live high-train low and high" hypoxic ... Robach P, Lundby C (2012) Is live high-train low altitude training relevant for elite athletes with already high total ...
Thermoplastics piping systems for underground non-pressure applications - Test method for leaktightness of elastomeric sealing ... p3: a higher internal hydrostatic pressure.. It also describes the following four test conditions under which the tests are ... p1: internal negative air pressure (partial vacuum);. - p2: a low internal hydrostatic pressure; ... Unless otherwise specified in the referring standard, the tests are carried out at the following basic test pressures:. - ...
High-temperature superconductivity. Partial pressure. Eutectic point. Pegmatite. Radionuclide. Deoxyribose. Hydrogen cyanide. ...
... system designed for Homes with Low-Pressure Feed, high usage, and custom installations where the system will feed more than one ... Wastewater Treatment Plant - Discharge Area solutions for Partial Discharge Section Flow Measurement ... Carbolite - Special Atmosphere & Ultra High Vacuum. Most common for special atmospheres and ultra high vacuum are the following ... The cover is also designed to impart a pressure to the bio gas to enable reticulation of the bio gas to the appliances which ...
Partial Premixing Effects on the Reacting Jet of a High Pressure Axially Staged Combustor Tommy Genova, Jr. , Tommy Genova, Jr ... emissions, partial premixing, high pressure, axially staged combustion, reacting jet in crossflow, PIV, NOx, CO ... Partial Premixing Effects on the Reacting Jet of a High-Pressure Axially Staged Combustor J. Eng. Gas Turbines Power (March, ... Genova, T, Jr., Otero, M, Reyes, J, Ahmed, K, & Martin, S. "Partial Premixing Effects on the Reacting Jet of a High Pressure ...
T2 - Standard partial molal thermodynamic properties and relative stabilities at high temperatures and pressures ... Standard partial molal thermodynamic properties and relative stabilities at high temperatures and pressures. In: Geochimica et ... Standard partial molal thermodynamic properties and relative stabilities at high temperatures and pressures. Geochimica et ... Standard partial molal thermodynamic properties and relative stabilities at high temperatures and pressures. Geochimica et ...
Early Oligocene partial melting via biotite dehydration melting and prolonged low-pressure-low-temperature metamorphism of the ... upper High Himalaya Crystalline Sequence in the far east of Nepal ... low-pressure Oligocene High Himalaya Crystalline Sequence ... Early Oligocene partial melting via biotite dehydration melting and prolonged low-pressure-low-temperature metamorphism of the ... upper High Himalaya Crystalline Sequence in the far east of Nepal. 2018-04-13T10:49:31Z (GMT) by T. Imayama T. Takeshita K. Yi ...
Helping you find trustworthy answers on High Pressure Injection Wound , Latest evidence made easy ... Find all the evidence you need on High Pressure Injection Wound via the Trip Database. ... Consideration of high cost of NPWT products and access to trained. 2017 National Guideline Clearinghouse (partial archive) * ... 1. High Pressure Injection Wound High Pressure Injection Wound High Pressure Injection Wound Toggle navigation Brain Head & ...
Room air partial pressure of carbon dioxide (PaCO2) , 42 mm Hg adults (older than 16 years) ... To report the overall response rate (overall response rate [ORR]: complete response [CR]+partial response [PR]) and response ... Whole-Body Radiation Therapy, Systemic Chemotherapy, and High-Dose Chemotherapy Followed By Stem Cell Rescue in Treating ... This pilot clinical trial studies whole-body radiation therapy, systemic chemotherapy, and high-dose chemotherapy followed by ...
The reaction occurs in a reaction zone of a fluidized bed reactor at an oxygenate partial pressure of at least 45 psia and a ... An oxygenate feedstock, desirably of high concentration in oxygenate, is reacted with a catalyst having a low to modest acidity ... Extraordinary catalyst activity at high olefin selectivity results despite insignificant changes in coke on catalyst and coke ... In these conventional processes, high total pressure is used together with relatively low partial pressure of oxygenate, e.g., ...
Read chapter 21 Oxidative Stress at High Altitudes and Effects of Vitamin E: This book reviews the research pertaining to ... which occurs due to high demand, poor local supply, or low partial pressure of oxygen. It can be expected that the impairment ... including a decrease in inhaled oxygen because of the low partial pressure that occurs at high altitudes. ... alpha-tocopherol and retinol at high and low oxygen partial pressures. FEBS Lett. 238:353-356. ...
Narcosis is a problem when breathing gases at high pressure. Typically, the maximum total partial pressure of narcotic gases ... Using diving terms, partial pressure is calculated as: partial pressure = (total absolute pressure) × (volume fraction of gas ... Oxygen toxicity becomes a risk when these oxygen partial pressures and exposures are exceeded. The partial pressure of oxygen ... 1 bar of atmospheric pressure + 5 bar of water pressure) and the partial pressures of the main components of air, oxygen 21% by ...
Catalytic production of olefins at high methanol partial pressures. US6768034. Jan 9, 2003. Jul 27, 2004. Exxonmobil Chemical ... Crystallization in the autoclave was at 139 C. at autogenous pressure for 17 hours. The solid product was filtered, washed with ... Crystallization in the autoclave was at 143 C. at autogenous pressure for 16 hours. The solid product was filtered, washed with ... and at atmospheric or subatmospheric pressures for between 1 and 48 hours. Dehydration can be performed at lower temperature ...
Catalytic production of olefins at high methanol partial pressures. US6613710. Sep 25, 2001. Sep 2, 2003. Indian Oil ... Catalytic production of olefins at high methanol partial pressures. US6812373. Dec 12, 2002. Nov 2, 2004. Exxonmobil Chemical ... Also at higher temperatures. the higher aliphatic fraction defined as C and higher was also significant, 3410 percent, ... The amount of phosphorus can be as high about 4.5 percent by weight. The amount of phosphorus may be even higher than about 4.5 ...
Doesnt that keep the CO2 partial pressure higher? You say may and might a lot so are you just guessing.. Bored chemist if the ... Partial Pressures may not be a major influence on rubber balloons as the rubber itself will exert pressure on the gas inside ... The Partial Pressures might, however, be an influence on Mylar balloons which may have the same pressure inside and outside. ... The difference in partial pressure of CO2 inside and outside a CO2 filled balloon is about 1 atmosphere.. The difference in ...
... discontinuous high-intensity training (DHIT), and control group (CON). CMIT and DHIT performed 8-week of supervised training (3 ... discontinuous high-intensity training (DHIT), and control group (CON). CMIT and DHIT performed 8-week of supervised training (3 ... The aim of this study was to compare the effects of continuous moderate-intensity and discontinuous high-intensity training on ... The aim of this study was to compare the effects of continuous moderate-intensity and discontinuous high-intensity training on ...
Posttest blood gas analysis results were as follows: pH, 6.90; partial pressure of oxygen, 284.0mmHg; partial pressure of ... Reply to: Efficacy and safety of high-flow nasal cannula oxygen therapy in moderate acute hypercapnic respiratory failure. *. ... adjusting the continuous airway pressure to 10cmH2O and the inspired fraction of oxygen to 100%. The oxygen saturation was ...
... and partial pressure of O2 (p , 0.05) were lower, while the arterial cord partial pressure of CO2 was higher (p , 0.001), in ... partial pressure of O2 [pO2], partial pressure of CO2 [pCO2], and a base excess [BE]). ... Foetal distress and/or the threat of asphyxia were rare in this group, as indicated by the higher Apgar score at 5 minutes and ... K. D. Gregory, O. A. Henry, E. Ramicone, L. S. Chan, and L. D. Platt, "Maternal and infant complications in high and normal ...
Brentwood High School, Williamson Co, TN. Υποβλήθηκε 26/9/2009. Ενημερώθηκε 26/9/2009. ... Daltons Law of Partial Pressures * Daltons Law of Partial Pressures.doc - 45 kB ... Daltons Law of Partial Pressures. Περιγραφή The student confirms that, at constant temperature, the pressure of a mixture of ... gases is the sum of the pressures exerted by the individual gases in the same container.. ...
Pyrolysis and gasification studies of Indian and Turkish high ash coal samples have been performed using coupled TGA-MS method ... CO2 partial pressure of 0.7 and (iv) blended ambience with steam partial pressure of 0.6 and CO2 partial pressure of 0.2, as ... Comparison of Turkish coal-char gasification rate of 800 micron in steam at various partial pressure (a) steam partial pressure ... steam partial pressure of 0.9; (ii) steam partial pressure of 0.75; (iii) ...
  • The aim of this study was to determine whether a higher level of partial pressure of arterial carbon dioxide (PaCO2) within the normal range in pediatric patients undergoing cardiac surgery had a similar organ-protective effect. (medworm.com)
  • We recorded the end-expiratory tidal partial pressure of carbon dioxide (Pet-CO2) as an indirect and continuous way to reflect the PaCO2. (medworm.com)
  • The most important gases in the blood are oxygen and carbon dioxide, and knowledge of their partial pressures can provide important information about the body. (sciencing.com)
  • clarification needed] The partial pressures of oxygen and carbon dioxide are important parameters in tests of arterial blood gases, but can also be measured in, for example, cerebrospinal fluid. (wikipedia.org)
  • and 387,224, filed Aug. 9, 1973, disclose the conversion of alcohols or ethers or carbonyls to higher carbon number hydrocarbons by contact with a catalyst comprising a crystalline aluminosilicate zeolite having a silica to alumina ratio of at least about 12 and a constraint index of about 1 to 12. (google.com)
  • The carbon-dioxide carrying capacity of hemoglobin decreases with increasing oxygen pressure causing increased quantities of carbon-dioxide dissolved in the tissues and higher tissue acidity. (cdc.gov)
  • Higher carbon dioxide concentration. (study.com)
  • And yet on the carbon oxide side, much, much higher. (khanacademy.org)
  • Oxygen is picked up from air at higher levels than carbon dioxide, because air has a higher partial pressure of oxygen than carbon dioxide. (physicsforums.com)
  • 6), high in partial pressure of carbon dioxide (approx. (biologists.org)
  • The mother is responsible for reducing the pH, reducing the total carbon dioxide content and elevating the partial pressure of carbon dioxide to the levels observed in fresh-caught females, in less than 24 h. (biologists.org)
  • There is a high barrier to rotation around a carbon-carbon double bond, whereas the barrier to rotation around a carbon-carbon single bond is considerably smaller. (bartleby.com)
  • Carbon dioxide gets pushed out of the body from high to low pressure, since CO 2 pressure in muscles is higher than in blood, which is higher than in lungs, which is higher than in a normal atmosphere. (icr.org)
  • They conclude that there must be a major sink for carbon dioxide in the northern hemisphere to keep this level in the atmosphere there, yet the partial pressures they calculate are too low to drive enough gas into the sea. (newscientist.com)
  • These experiments demonstrate iron's pivotal role in controlling carbon uptake and regulating atmospheric partial pressure of carbon dioxide. (columbia.edu)
  • Blood contains a mixture of gases, each of which exert pressure on the sides of the blood vessels. (sciencing.com)
  • Partial pressure describes the amount of pressure exerted by one particular gas in a mixture of gases, such as in the blood. (sciencing.com)
  • In a mixture of gases, each constituent gas has a partial pressure which is the notional pressure of that constituent gas if it alone occupied the entire volume of the original mixture at the same temperature. (wikipedia.org)
  • The total pressure of an ideal gas mixture is the sum of the partial pressures of the gases in the mixture (Dalton's Law). (wikipedia.org)
  • Gases dissolve, diffuse, and react according to their partial pressures, and not according to their concentrations in gas mixtures or liquids. (wikipedia.org)
  • The student confirms that, at constant temperature, the pressure of a mixture of gases is the sum of the pressures exerted by the individual gases in the same container. (colorado.edu)
  • However, the increased pressure increases the partial pressures of the gases that are inspired. (medscape.com)
  • Whereas the total barometric pressure is the sum of all collisions for all gases. (physicsforums.com)
  • So the partial pressure of the gases in the water are whatever the partial pressure of the gases were that were in contact with the liquid before it was sealed - lets assume full equilibration. (physicsforums.com)
  • At the molecular level however, the partial pressure of the dissovled gases, is like the collisions between that gas and the container walls. (physicsforums.com)
  • Protocols for avoidance of the effects of hyperoxia exist in fields where oxygen is breathed at higher-than-normal partial pressures, including underwater diving using compressed breathing gases, hyperbaric medicine, neonatal care and human spaceflight. (wikipedia.org)
  • Generally, the concept to understand is that partial pressures of gases are traveling in a concentration gradient from high to low as gas exchange occurs. (physicsforums.com)
  • The combined weight, or force, of these gases pushing on a surface is called its pressure . (icr.org)
  • The direct sulfation of three high purity Iranian limestones and one precipitated calcium carbonate from different sources, containing more than 97 % CaCO 3 , were studied in a specially designed fixed bed reactor under atmospheric pressure, in the presence of excess CO 2 to prevent decomposition of CaCO 3 . (ac.ir)
  • Investigation on the effects of the atmospheric pressure plasma on wound healing in diabetic rats It is estimated that 15 percent of individuals with diabetes mellitus suffer from diabetic ulcers worldwide. (tripdatabase.com)
  • A liquid's atmospheric pressure boiling point corresponds to the temperature at which its vapor pressure is equal to the surrounding atmospheric pressure and it is often called the normal boiling point. (wikipedia.org)
  • Note that at higher altitudes, the atmospheric pressure is less than that at sea level, so boiling points of liquids are reduced. (wikipedia.org)
  • At the top of Mount Everest, the atmospheric pressure is approximately 0.333 atm, so by using the graph, the boiling point of diethyl ether would be approximately 7.5 °C versus 34.6 °C at sea level (1 atm). (wikipedia.org)
  • Lower atmospheric pressure. (study.com)
  • Central nervous system toxicity is caused by short exposure to high partial pressures of oxygen at greater than atmospheric pressure. (wikipedia.org)
  • Central nervous system oxygen toxicity can cause seizures, brief periods of rigidity followed by convulsions and unconsciousness, and is of concern to divers who encounter greater than atmospheric pressures. (wikipedia.org)
  • Hyperventilation of atmospheric air at atmospheric pressures does not cause oxygen toxicity, because sea-level air has a partial pressure of oxygen of 0.21 bar (21 kPa) whereas toxicity does not occur below 0.3 bar (30 kPa). (wikipedia.org)
  • For example, given an ideal gas mixture of nitrogen (N2), hydrogen (H2) and ammonia (NH3): p = p N 2 + p H 2 + p NH 3 {\displaystyle p=p_{{\ce {N2}}}+p_{{\ce {H2}}}+p_{{\ce {NH3}}}} Ideally the ratio of partial pressures equals the ratio of the number of molecules. (wikipedia.org)
  • It would contrast starkly with the "hot" fusion that is known to take place naturally within stars and artificially in hydrogen bombs and prototype fusion reactors under immense pressure and at temperatures of millions of degrees, and be distinguished from muon-catalyzed fusion . (wikipedia.org)
  • K. aerogenes has a short doubling time and high hydrogen productivity and evolution rate. (wikipedia.org)
  • The effect of the initial pressure and of the Hydrogen content on the laminar burning velocity and the Markstein length has been evaluated: the relative weight and mutual interaction has been assessed of the two controlling parameters. (mdpi.com)
  • High hydrogen concentrations facilitated visualization of Hyd-3 activity. (pubmedcentralcanada.ca)
  • Babic, V., Geers, C., Jönsson, B. och Panas, I. (2017) Fates of Hydrogen During Alumina Growth Below Yttria Nodules in FeCrAl(RE) at Low Partial Pressures of Water . (chalmers.se)
  • Gas pressure is measured in millimeters of mercury, or mmHg. (sciencing.com)
  • All the experiments were performed at 310 K. Dialysate with high PO 2 content was made using a gas compressor that increased PO 2 in the dialysate up to 300 mmHg after deaeration. (abe-journal.org)
  • With high PO 2 dialysate, PO 2 showed a plateau of 240 to 260 mmHg after increasing sharply for the first 30 min, and the values were higher compared to conventional dialysate. (abe-journal.org)
  • If the total pressure is 1000 mmHg, then what is the partial pressure of oxygen? (study.com)
  • On arrival she was conscious, her heart rate was 85 beats per minute a blood pressure 122/78 mmHg. (hindawi.com)
  • Using a constant pressure drop (delta P/L) from 0 to 3.7 mmHg/cm-clot to drive fluid permeation, various regimes of lytic agents were delivered into fine and coarse fibrin gels (3 mg/ml) and whole blood clots. (biomedsearch.com)
  • The higher the concentration of a gas, the higher the pressure it will exert. (sciencing.com)
  • When the partial pressure of a gas in two adjacent areas is unequal, the gas will naturally diffuse from the area of higher concentration to the area of lower concentration, thus establishing equilibrium. (sciencing.com)
  • An oxygenate feedstock, desirably of high concentration in oxygenate, is reacted with a catalyst having a low to modest acidity and a Si/Al2 ratio of from 0.10 to 0.32. (google.es)
  • Increased oxygen pressure has transitory effects on ventilation rates, causes an increased capacity for heavy exercise, decreases blood hemoglobin concentration, increases production of electron transport chain components, peroxides, and other oxidation products, and increases the diffusion gradient for elimination of inert gas from body tissues, thus shortening decompression times. (cdc.gov)
  • The partial pressure is product of the fractional concentration and the total barometric pressure. (physicsforums.com)
  • Partial pressure is essentially the concentration of different components in the vapor above the liquid. (physicsforums.com)
  • So if I know the pressure and I know the concentration, I should be able to figure out the constant for myself. (khanacademy.org)
  • In fact, if I was to calculate the concentration on this side, the concentration would be pretty high. (khanacademy.org)
  • Hyperbaric oxygen therapy (HBOT) should be critically considered and initiated within six hours in patients with neurologic deficits, unconsciousness, cardiac ischemia, pregnancy, and/or a very high COHb concentration. (aerzteblatt.de)
  • A) It has a higher concentration of H_3O^+ than OH^- and causes litmus to turn blue. (transtutors.com)
  • The partial pressure of oxygen in a vacuum is nil and there is a considerably higher concentration and pressure in your lungs. (newscientist.com)
  • The CO 2 concentration of the exhaled breath eventually equals the arterial partial pressure of CO 2 . (aafp.org)
  • It is at this point, in the pulmonary veins that carry blood away from the lungs and back to the heart, that the partial pressure of oxygen is highest, typically 100 millimeters of mercury. (sciencing.com)
  • The authors recommend research on the mechanisms of oxygen toxicity, toxic effects on organ systems and functions other than on lungs and brain, detailed analysis of pulmonary oxygen poisoning, establishing optimal intermittency schedules at different oxygen pressures to reduce acute oxygen poisoning in humans, and development of oxygen therapy in decompression accidents. (cdc.gov)
  • Prolonged exposure to above-normal oxygen partial pressures, or shorter exposures to very high partial pressures, can cause oxidative damage to cell membranes, collapse of the alveoli in the lungs, retinal detachment, and seizures. (wikipedia.org)
  • I assume that the rupture of this equilibrium which happens when divers go back to the surface too quickly is related to gaz pressure at the lungs level. (biology-online.org)
  • It's quite misleading the way it is drawn, because it doesn't represent that pulmonary veins contain the oxygenated blood returning to the heart to be distributed to the body via the systemic arteries, and then systemic veins return low-oxygenated and higher CO 2 blood to the heart for return to the lungs via pulmonary arteries. (physicsforums.com)
  • In the human body, the amount of O 2 is highest in the lungs, so the pressure of O 2 in lungs is greater than in muscle. (icr.org)
  • The normal conditions in the atmosphere compared to those inside the body are such that the pressure of O 2 in the air is higher than in lungs, which is higher than in blood, which is higher than in muscles. (icr.org)
  • This is useful because, with a high affinity for oxygen in the lungs, hemoglobin can effectively bind to more oxygen. (wikibooks.org)
  • The effects of partial premixing on a reacting jet-in-crossflow is investigated in a five atmosphere axially staged combustor at stationary gas turbine relevant conditions. (asme.org)
  • Hyperbaric oxygen therapy (HBOT) increases tissue oxygenation by administering 100% oxygen at greater than one atmosphere pressure, and has beneficial effects on hypoxic wound healing in patients with PAD. (abe-journal.org)
  • It also has the lowest normal boiling point (−24.2 °C), which is where the vapor pressure curve of methyl chloride (the blue line) intersects the horizontal pressure line of one atmosphere (atm) of absolute vapor pressure. (wikipedia.org)
  • This allows the snow surface and the air above it to cool further, until the clear, calm, dry conditions change and the cold air mixes with warmer air higher in the atmosphere. (wattsupwiththat.com)
  • To produce the films, the partial pressure of the mixture in the working atmosphere was varied. (mdpi.com)
  • At 1 atmosphere (spacecraft are pressurised to even less), there is not enough pressure inside your body to turn it inside out. (newscientist.com)
  • We report a study of high pressure x-ray absorption (XAS) performed in the partial fluorescence yield mode (PFY) at the U L3 edge (0-28.2 GPa) and single crystal x-ray diffraction (SXD) (0-20 GPa) on the UCd11 heavy fermion compound at room temperature. (escholarship.org)
  • The higher the vapor pressure of a liquid at a given temperature, the lower the normal boiling point of the liquid. (wikipedia.org)
  • For example, at any given temperature, methyl chloride has the highest vapor pressure of any of the liquids in the chart. (wikipedia.org)
  • Losev, V. 2004-10-13 00:00:00 The partial pressure of sodium nitrite in the system NaNO2-KNO3 was measured at 798, 823, and 848 K. The dependence of the logarithm of the NaNO2 pressure on inverse temperature is presented. (deepdyve.com)
  • Mixtures of CH 4 , H 2 and air have been analyzed at initial temperature 293÷305 K, initial pressure 3÷18 bar and equivalence ratio ϕ = 1.0. (mdpi.com)
  • Of course it's now a little bit more complicated than what you went through before, where you can get pressure temperature phase diagrams with just a single component. (mit.edu)
  • And what's the temperature and the pressure. (mit.edu)
  • we've got some total temperature and pressure. (mit.edu)
  • One of the things that you established last time is that, so there are the total number of variables including the temperature and the pressure. (mit.edu)
  • What that means is if you've got a, if you control, if you fix the temperature and the total pressure, everything else should be determinable. (mit.edu)
  • 5.5 Oxidation induction time is strongly dependent upon test temperature and the partial pressure of oxygen. (astm.org)
  • The higher the test temperature or the oxygen partial pressure, or both, the shorter the oxidation induction time. (astm.org)
  • 5.5.1 The use of high test temperature, however, may have deleterious effects. (astm.org)
  • 1.3 This test method measures the oxidative induction time associated with a given test specimen at a specified temperature and pressure. (astm.org)
  • The degree of adsorption is influenced by certain properties of the adsorbent and adsorbate, and conditions such as temperature and pressure. (newworldencyclopedia.org)
  • Pseudosection modeling reproduces the observed M1 assemblage garnet + amphibolite + epidote + phengite + quartz and the growth zoning of garnet records the pressure ( P )-temperature ( T ) evolution from 0.8 GPa, 570 °C to 1.3 GPa, 590 °C. Therefore, this garnet growth and associated deformation (D1) took place during subduction up to eclogite facies conditions. (go.jp)
  • This normally occurs with a change in environmental factors such as low temperature, low metabolism rate, and high pH. (wikibooks.org)
  • Experimental data for aqueous aldehydes were taken from the literature and used, along with parameters for the revised Helgeson-Kirkham-Flowers (HKF) equations of state, to estimate standard partial molal thermodynamic data for aqueous straight-chain alkyl aldehydes at high temperatures and pressures. (elsevier.com)
  • Schulte, MD & Shock, EL 1993, ' Aldehydes in hydrothermal solution: Standard partial molal thermodynamic properties and relative stabilities at high temperatures and pressures ', Geochimica et Cosmochimica Acta , vol. 57, no. 16, pp. 3835-3846. (elsevier.com)
  • The vapor pressure chart displayed has graphs of the vapor pressures versus temperatures for a variety of liquids. (wikipedia.org)
  • In the in vitro test (of 12 unused catheter probes), the maximal probe display error was 1.07 ± 2.14%, tested at temperatures between 22°C and 37°C and tested at oxygen pressures of 0, 44, and 150 mm Hg. (deepdyve.com)
  • Scientists announced in 2013 they had found the lowest temperatures on Earth's surface: Sensors on several Earth-observing satellites measured temperatures of minus 93 degrees Celsius (minus 135 degrees Fahrenheit) in several spots on the East Antarctic Plateau, a high snowy plateau in central Antarctica that encompasses the South Pole. (wattsupwiththat.com)
  • Scambos and his colleagues analyzed the terrain where they saw these ultra-low temperatures and found they occurred in small hollows 2 to 3 meters (6 to 9 feet) deep in the surface of the ice, on the southern side of high ridges on the plateau. (wattsupwiththat.com)
  • 5.5.2 This test method uses high oxygen pressure to accelerate the test period while making use of lower test temperatures to protect additive packages. (astm.org)
  • Generally, adsorption is enhanced at low temperatures and high pressures. (newworldencyclopedia.org)
  • For repetitive use at high temperatures, they need to have high abrasion resistance and high thermal stability. (newworldencyclopedia.org)
  • Zeolites are natural or synthetic crystalline aluminosilicates that have a repeating pore network and release water at high temperatures. (newworldencyclopedia.org)
  • The 'controlled deterioration seed ageing tests' currently used accelerate the deterioration by storing seeds at both higher temperatures and seed moisture levels. (wur.nl)
  • This created the need for a more realistic seed shelf life test that can be performed at ambient temperatures and at seed moisture levels which are not higher than used in practice. (wur.nl)
  • Oxygen toxicity is a concern for underwater divers, those on high concentrations of supplemental oxygen (particularly premature babies), and those undergoing hyperbaric oxygen therapy. (wikipedia.org)
  • In unusual circumstances, effects on other tissues may be observed: it is suspected that during spaceflight, high oxygen concentrations may contribute to bone damage. (wikipedia.org)
  • 1. The intramuscular oxygen partial pressure (pO2) in human gastrocnemius muscle was monitored during exercise and compared with metabolite concentrations reflecting the energy and the redox state in the tissue. (portlandpress.com)
  • First, high CO 2 concentrations actually force a faster release of O 2 . (icr.org)
  • Twomesoscaleexperiments, designed to investigate the effects of iron enrichment in regions with high and low concentrations of silicic acid, were performed in the Southern Ocean. (columbia.edu)
  • There is growing evidence that oxidative injury mediated by free radicals is an important factor in various pathologies, including adverse metabolic reactions at high altitudes. (nap.edu)
  • Oxidative damage to the eye may lead to myopia or partial detachment of the retina. (wikipedia.org)
  • This was interpreted as a beneficial effect of the higher oxidative-enzyme capacity in the muscle of the patients. (portlandpress.com)
  • 1.1 This test method covers a procedure for the determination of the oxidative induction time (OIT) of polyolefin geosynthetics using high-pressure differential scanning calorimetry. (astm.org)
  • [ 1 ] this article focuses on decompression associated with the sudden decrease in pressures during underwater ascent, usually occurring during free or assisted dives. (medscape.com)
  • As an exploratory experiment we stored lettuce seeds in a SCUBA tank, normally used for exploring the underwater world, with compressed air under a pressure of 200 bar. (wur.nl)
  • Higher PaCO2 levels were associated with increased survival. (ovid.com)
  • Partial Saturated Vapor Pressure of Sodium Nitrite Over the System NaNO2-KNO3 Glazov, V. (deepdyve.com)
  • The physiologic effects include effects on arterial blood oxygen content that increases with oxygen pressure. (cdc.gov)
  • The human body has the ability to adjust to increases in ambient pressure, to a limit. (medscape.com)
  • what occurs to the pressure of nitrogen when the total pressure increases? (brainscape.com)
  • The partial pressure of a gas is a measure of thermodynamic activity of the gas's molecules. (wikipedia.org)
  • Some of the questions will require you to calculate the partial pressure as well. (study.com)
  • High oxygen partial pressure decreases anemia-induced heart rate increase equivalent to transfusion. (bloodless.com.br)
  • After middle-age, due to decreased hematocrit, reduced capillary density and higher capillary transit time heterogeneity, the capillary network fails to compensate for larger decreases in arterial pO 2 . (nature.com)
  • If olivine is absent during partial melting, expansion of the phase volume of garnet relative to clinopyroxene with increasing pressure produces liquids with high Ca/Al and low MgO compared with garnet peridotite-derived partial melts. (umn.edu)
  • To investigate the chemical composition of possible primitive melts of the Martian mantle, we performed melting experiments of a model Martian mantle derived by Dreibus and Wänke (DWM) at pressures from 1.0 to 4.5 GPa. (go.jp)
  • The chemical compositions of partial melts are systematically related to pressure. (go.jp)
  • The partial melts at pressure of 1.0 GPa in spinel stability field show high Al 2 O 3 and low FeO contents. (go.jp)
  • The partial melts at higher pressure in garnet stability field are, however, characterized by a relatively high FeO content, low Al 2 O 3 content and high CaO/Al 2 O 3 ratio. (go.jp)
  • A moderately large body of deltaVC data exists for periods during and after exposure to elevated oxygen partial pressure (PO2),1-17 but other pulmonary data are sparse. (rubicon-foundation.org)
  • In patients with chest radiographic evidence of infiltrates, rapid clinical and oxygen saturation improvement with administration of supplemental oxygen is pathognomonic for high-altitude pulmonary edema. (medscape.com)
  • Note that the coronavirus disease 2019 (COVID-19) pandemic has raised concerns over whether affected patients with respiratory distress have presentations more like high-altitude pulmonary edema (HAPE) than that of acute respiratory distress syndrome (ARDS). (medscape.com)
  • Findings on laboratory studies from high-altitude pulmonary edema (HAPE) patients are nonspecific. (medscape.com)
  • Chest radiography in high-altitude pulmonary edema (HAPE) patients reveals bilateral patchy infiltrates, with a normal heart size/mediastinum. (medscape.com)
  • In one study, stress echocardiography was used to quantitate pulmonary artery systolic pressure responses to prolonged hypoxia and normoxic exercise. (medscape.com)
  • Pulmonary and ocular toxicity result from longer exposure to increased oxygen levels at normal pressure. (wikipedia.org)
  • A high Fd late value is indirect evidence of a pulmonary embolism. (aafp.org)
  • We review experimental phase equilibria associated with partial melting of mafic lithologies (pyroxenites) at high pressures to reveal systematic relationships between bulk compositions of pyroxenite and their melting relations. (umn.edu)
  • Bulk compositions that reside on either side of the divide have distinct phase assemblages from subsolidus to liquidus and produce distinct types of partial melt ranging from strongly nepheline-normative to quartz-normative compositions. (umn.edu)
  • Changes in phase volumes of residual minerals also influence partial melt compositions. (umn.edu)
  • Repeated exposure to toxic oxygen pressure can produce cumulative effects in animal models. (cdc.gov)
  • Effects of hypobaric hypoxia exposure at high altitude on left ventricular twist in healthy subjects: data from HIGHCARE study on Mount Everest. (nih.gov)
  • Healthcare professionals worldwide, regardless of specialty, need to be aware of the ill effects of exposure to increased pressure. (medscape.com)
  • This divide appears at pressures above ∼2 GPa in the natural system where garnet and pyroxenes are the principal residual phases in pyroxenites. (umn.edu)
  • The garnet contains quartz inclusions retaining residual pressures of up to ∼ 0.7 GPa, which is as high as the values reported in well-characterized eclogite samples in central Shikoku. (go.jp)
  • The high quality of the materials combined with cutting-edge technology of the compressor unit, ensure reliability, professionalism and economy and allows continuous use, unthinkable in traditional direct-drive oil-free compressors. (environmental-expert.com)
  • The aim of this study was to compare the effects of continuous moderate-intensity and discontinuous high-intensity training on running performance in master runners. (frontiersin.org)
  • Thirty-four male master runners (47.2 ± 7.4 years) were assigned to three different groups: continuous moderate-intensity training (CMIT), discontinuous high-intensity training (DHIT), and control group (CON). (frontiersin.org)
  • The partial pressure of oxygen in the blood is analyzed using a laboratory instrument such as a mass spectrometer. (sciencing.com)
  • We hypothesized that increasing partial pressure of oxygen (PO 2 ) in the blood stream during hemodialysis (HD) improves the hypoxic tissue by a different mechanism from that of HBOT. (abe-journal.org)
  • This study examined the effects of a commercially available dialysate and a high PO 2 dialysate on PO 2 in blood during simulated circulation in hemodialysis (HD). (abe-journal.org)
  • We conducted HD by circulating bovine blood using either the conventional dialysate as control or the high PO 2 dialysate. (abe-journal.org)
  • From these results, we speculate that conventional buffer dialysate transfers oxygen from the dialysate to the blood stream, and dialysate with high PO 2 content enhances oxygenation of blood during HD. (abe-journal.org)
  • Hi everyone, So I was thinking about how oxygen and CO2 are exchanged in the blood, and how a lot of this can be boiled down to differences in partial pressure. (biology-online.org)
  • So it is basically oxygen dissolved in blood right that causes the partial pressure of oxygen.We consider the haemoglobin bind oxygen as part of dissolved blood right? (physicsforums.com)
  • Although individual parameters such as oxygen saturation (sO 2 ) ( 1 , 2 ), partial oxygen pressure (pO 2 ) ( 3 , 4 ), or blood flow speed (v f ) ( 4 ⇓ ⇓ - 7 ) may partially indicate tissue oxygenation, none of them can provide a complete description of oxygen transport. (pnas.org)
  • Decreased partial pressure is a sign of hypoxia, or a lack of oxygen, and is often indicated by shortness of breath. (sciencing.com)
  • In the HIGHCARE study, aimed at exploring the effects of high altitude hypoxia on multiple biological variables and their modulation by an angiotensin receptor blocker, we addressed the effects of hypobaric hypoxia on both systolic and diastolic left ventricular geometry and function, focusing on echocardiographic assessment of left ventricle twist to indirectly examine subendocardial left ventricular systolic function. (nih.gov)
  • Our study, for the first time, demonstrates an increase in left ventricular twist at high altitude in healthy subjects exposed to high altitude hypoxia, suggesting the occurrence of subendocardial systolic dysfunction in such condition. (nih.gov)
  • The physiologic and toxic effects of oxygen at increased pressures during diving and decompression operations are reviewed. (cdc.gov)
  • People involved with tunneling projects, in submarines during emergencies, and in breath-hold free diving may also experience the physiologic effects of decreased pressure brought on by such ascents. (medscape.com)
  • Results of both water-slag and water-CO 2 -slag experiments after 72 h are consistent with a kinetics enhancement of the former reaction when a CO 2 partial pressure imposes a pH between 5 and 6. (frontiersin.org)
  • The reaction occurs in a reaction zone of a fluidized bed reactor at an oxygenate partial pressure of at least 45 psia and a reactor gas superficial velocity of at least 10 ft/s, conveying catalyst through the reaction zone to a circulation zone. (google.es)
  • partial pressure where it does, too high or too low and the reaction stops. (mcgill.ca)
  • Heat can be applied to drive the reaction at higher pressures. (mcgill.ca)
  • Partial pressure is a measurement of the amount of force exerted by one particular substance in a mixture. (sciencing.com)
  • The coatings deposited with a higher reactive gas mixture partial pressure exhibit a significantly better antibiofilm capacity. (mdpi.com)
  • Partial versus total portacaval shunt in alcoholic cirrhosis. (biomedsearch.com)
  • Or indeed is partial pressure just an abstracted idea when looking at a liquid, that's to say the partial pressure is just mass dissolved divided by solubility - giving a partial pressure - but not in the real sense if pressure as we know it in terms of wall collisions? (physicsforums.com)
  • High pressure effects on U L3 x-ray absorption in partial fluorescence yield mode and single crystal x-ray diffraction in the heavy fermion compound UCd11. (escholarship.org)
  • Extraordinary catalyst activity at high olefin selectivity results despite insignificant changes in coke on catalyst and coke yield when compared to lower pressure operations. (google.es)
  • My question is therefore, why do we treat the water molecules differently - why do we not have a partial pressure for the water molecules? (physicsforums.com)
  • What is it about the state transition of water from a gas to a liquid that makes us not consider the collisions of the water molecules against the container wall when we talk of partial pressure? (physicsforums.com)
  • But as soon as that same water molecule finds itself surrounded by other water molecules in a liquid - its collisions are no longer considered to be a part of partial pressure. (physicsforums.com)
  • taking advantage of a high content in reactive calcium hosted in both lime and portlandite, called "free Ca" in the following. (frontiersin.org)
  • You must remember that a vacuum doesn't suck, it is pressure from the inside that pushes. (newscientist.com)
  • If, however, your body was heavily pressurised (like that of a fish that lives miles beneath the surface of the sea), and you were placed into a vacuum (or in the case of the fish, brought up to the surface), the difference in pressure could prove explosive. (newscientist.com)
  • Oxygen electrode measurements showed that 100% O 2 raised pO 2 in the ex vivo retina from 34 to 548 mm Hg, whereas hyperoxia has been reported to increase retinal pO 2 in vivo to only ∼53 mm Hg [Yu DY, Cringle SJ, Alder VA, Su EN (1994) Am J Physiol 267:H2498-H2507]. (pnas.org)
  • Toxic effects of high oxygen pressures depend on duration and partial pressure. (cdc.gov)
  • Increased oxygen pressure causes vasoconstriction and reduces cardiac output, which can reduce removal of dissolved gas from the tissues during decompression. (cdc.gov)
  • In addition, the sudden or too rapid decrease in pressure (ie, decompression) can have a number of ill effects. (medscape.com)
  • The surface diffusion parameter, αD s δ, where α is the segregation factor, D s , the surface diffusion coefficient, and δ the thickness of the high-diffusivity layer, was determined at 750° for different partial pressures of oxygen. (springer.com)
  • Indeed, the seeds had aged very fast due to the high oxygen pressure and the symptoms observed with the poor quality seedlings were comparable to those observed after a few years storage in a seed company warehouse. (wur.nl)
  • 4 Furthermore, CI is related to higher rates of mortality and disability, 3 particularly in patients with severe COPD. (dovepress.com)
  • Ocular (retinopathic conditions), characterised by alterations to the eyes, occurring when breathing increased pressures of oxygen for extended periods. (wikipedia.org)
  • This Cochrane Review investigated the effects of a surgical procedure, decompressive craniectomy (DC), on survival and neurological (functional) outcomes for people who have a traumatic brain injury (TBI) that does not penetrate the skull, and high pressure inside the skull that does not respond to medical treatment. (cochrane.org)
  • In particular, the quiz will ask you about the various effects of partial pressure in different situations. (study.com)
  • Oxygen toxicity is a condition resulting from the harmful effects of breathing molecular oxygen (O 2) at increased partial pressures. (wikipedia.org)
  • 1 - 4 Higher heart rate has been linked to increased risks of cardiovascular disease and premature mortality through a multitude of actions, including its detrimental effects on progression of coronary atherosclerosis, on occurrence of myocardial ischemia and ventricular arrhythmia, on left ventricular function and on circulating levels of inflammatory markers. (cmaj.ca)
  • As can be seen in the chart, the liquids with the highest vapor pressures have the lowest normal boiling points. (wikipedia.org)
  • For example, the necessary amount of oxygen for human respiration, and the amount that is toxic, is set by the partial pressure of oxygen alone. (wikipedia.org)
  • This discrepancy arises because the partial pressure of O 2 (pO 2 ) within the retina in vivo during 100% O 2 respiration does not rise to a sufficiently high level to affect neurovascular signaling pathways. (pnas.org)
  • This system is a promising method to transport high PO 2 to peripheral tissues leading to improvement of PAD. (abe-journal.org)
  • Status of organ systems: Cardiovascular system: whereas the hypotensive effect of most anesthetics is sometimes desirable, ischemic injury of tissues could follow reduced perfusion pressure. (slideshare.net)
  • The result of breathing increased partial pressures of oxygen is hyperoxia, an excess of oxygen in body tissues. (wikipedia.org)
  • Taking advantage of the complementary and comprehensive contrasts of the system, we demonstrated high-resolution imaging of various tissues in living mice, including microvasculature (by photoacoustics), epidermis cells, cortical neurons (by two-photon fluorescence) and extracellular collagen fibers (by SHG). (nature.com)
  • So what do you think the constant on this side would be, higher or lower? (khanacademy.org)
  • Thus hemoglobin's lower affinity for oxygen relative to myoglobin allows it to have a higher overall efficiency in binding and then releasing oxygen species. (wikibooks.org)
  • BLOCK II: Patients receive high-dose chemotherapy comprising topotecan hydrochloride IV continuously over 24 hours on days -8 to -4, busulfan IV over 2 hours every 6 hours on days -8 to -4, and melphalan IV over 30 minutes on days -3 and -2. (clinicaltrials.gov)
  • The authors also concluded that there is currently no reliable method of identifying patients at high risk of inpatient or six-month mortality. (aafp.org)
  • High pressure injection injuries (HPII) of the foot are not common in every-day practice. (tripdatabase.com)
  • Quantitative analyses of garnet-bearing epidote amphibolite (hereafter garnet amphibolite) from the Funaokayama unit, western Kii Peninsula of the Sanbagawa belt reveal a previously unrecognized high-grade part of the Sanbagawa metamorphism. (go.jp)
  • For NiO the surface diffusion at low oxygen activities is influenced by aliovalent impurities and at high oxygen activities the strong influence of the intrinsic defects, nickel vacancies, on surface diffusion was observed. (springer.com)
  • This excess pressure is known as high intracranial pressure (ICP), and is a frequent cause of death and disability in brain-injured people. (cochrane.org)