Liquid nitrogen readily evaporates to form gaseous nitrogen, and hence the precautions associated with gaseous nitrogen also ... ISBN 978-0-08-037941-8. Etymology of Nitrogen Nitrogen at The Periodic Table of Videos (University of Nottingham) Nitrogen ... Atomic nitrogen is prepared by passing an electric discharge through nitrogen gas at 0.1-2 mmHg, which produces atomic nitrogen ... Nitrogen is the chemical element with the symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group ...
Wikimedia Commons has media related to Nitrogen trichloride. OSHA - Nitrogen trichloride Nitrogen Trichloride - Health ... Nitrogen halides, Inorganic chlorine compounds, Inorganic nitrogen compounds, Explosive chemicals, Nitrogen(III) compounds, ... Nitrogen trichloride, trademarked as Agene, was at one time used to bleach flour, but this practice was banned in the United ... Nitrogen trichloride can irritate mucous membranes-it is a lachrymatory agent, but has never been used as such. The pure ...
... is a chemical compound with the formula NO2. It is one of several nitrogen oxides. NO 2 is an intermediate in ... At elevated temperatures nitrogen combines with oxygen to form nitrogen dioxide: 1⁄2 N2 + O2 → NO2 In the laboratory, NO 2 can ... "Nitrogen dioxide". National Institute for Occupational Safety and Health (NIOSH). "Nitrogen dioxide". Immediately Dangerous to ... Unlike ozone (O3) the ground electronic state of nitrogen dioxide is a doublet state, since nitrogen has one unpaired electron ...
... making nitrogen unavailable to plants. This is known as "robbing" the soil of nitrogen. All vegetables apart from nitrogen ... Nitrogen deficiency is a deficiency of nitrogen in plants. This can occur when organic matter with high carbon content, such as ... This makes it crucial that the fields have enough nitrogen in the soil to grow a prosperous crop. However, excess nitrogen in ... Nitrogen fixation Protein deficiency "Compost Fundamentals: Compost Needs - Carbon Nitrogen Relationships". Archived from the ...
... ("Nr"), also known as fixed nitrogen, refers to all forms of nitrogen present in the environment except for ... Containing reduced nitrogen, these compounds are components of fertilizers. All of these compounds enter into the nitrogen ... This also means that nitrogen-related problems need to be looked at in an integrated manner. Human impact on the nitrogen cycle ... While reactive nitrogen is eventually converted back into molecular nitrogen via denitrification, an excess of reactive ...
A nitrogen washout can be performed with a single nitrogen breath, or multiple ones. Both tests use similar tools, both can ... A plot of the nitrogen concentration (as a % of total gas) vs. expired volume is obtained by increasing the nitrogen ... Individuals with high resistance in their airways can take longer than seven minutes to remove all the nitrogen. A nitrogen ... Nitrogen washout (or Fowler's method) is a test for measuring anatomic dead space in the lung during a respiratory cycle, as ...
Many different nitrogen fluorides are known: Nitrogen monofluoride, NF Nitrogen difluoride radical, ·NF2 Nitrogen trifluoride, ... Nitrogen fluorides are compounds of chemical elements nitrogen and fluorine. ... NF3 Nitrogen pentafluoride, NF5 Dinitrogen difluoride, N2F2 Tetrafluorohydrazine, N2F4 Fluorine azide, N3F Tetrafluoroammonium ...
There are 3 main forms of nitrogen: Molecular nitrogen Mineral nitrogen Organic nitrogen Molecular nitrogen is the gas form of ... Fish and humans are more tolerant of nitrate nitrogen than they are of ammonium nitrogen. In well aerated water, most of the ... The chemical structure for nitrogen gas is N2. The mineral forms of nitrogen are: Nitrate with the chemical structure of NO− 3 ... Ammoniacal nitrogen (NH3-N) is a measure for the amount of ammonia, a toxic pollutant often found in landfill leachate and in ...
CS1 errors: missing periodical, Dating methodologies in archaeology, Nitrogen cycle, Nitrogen). ... and the presence of microorganism that digest nitrogen rich elements, like collagen. Some studies compare nitrogen dating ... Nitrogen dating is a form of relative dating which relies on the reliable breakdown and release of amino acids from bone ... For human bones, the assumption of about 5% nitrogen in the bone, mostly in the form of collagen, allows fairly consistent ...
... is formed during the function of a xenon monofluoride excimer laser. Nitrogen trifluoride is the halide ... Nitrogen difluoride can be consumed further to yield nitrogen monofluoride. NF2 + e− → NF + F− Trainor, Daniel W. (February ... Nitrogen difluoride, also known as difluoroamino, is a reactive radical molecule with formula NF2. This small molecule is in ... molecule dimensions and angles "Nitrogen difluoride NF2(g)". Brown, R.D.; Burden, F.R.; Godfrey, P.D.; Gillard, I.R. (August ...
... (13N) is a radioisotope of nitrogen used in positron emission tomography (PET). It has a half-life of a little ... Nitrogen-13 is used to tag ammonia molecules for PET myocardial perfusion imaging. Nitrogen-13 is used in medical PET imaging ... Nitrogen-13 plays a significant role in the CNO cycle, which is the dominant source of energy in main-sequence stars more ... Lightning may have a role in the production of nitrogen-13. PET site of the University of Melbourne Islam, M. R.; Beni, M. S.; ...
... biological production of nitrogen Nitrogen cycle: the flow and transformation of nitrogen through the environment Nitrogen ... Nitrogen can be fixed by lightning converting nitrogen gas (N 2) and oxygen gas (O 2) in the atmosphere into NOx (nitrogen ... species that use diatomic nitrogen as a step in the complete nitrogen cycle.[citation needed] Biological nitrogen fixation (BNF ... For example, nitrogen fixation by red clover can range from 50 to 200 lb/acre (56 to 224 kg/ha). The ability to fix nitrogen in ...
... nitrogen(II) oxide, or nitrogen monoxide Nitrogen dioxide (NO2), nitrogen(IV) oxide Nitrogen trioxide (NO3), or nitrate radical ... nitrogen(II,IV) oxide Dinitrogen tetroxide (N2O4), nitrogen(IV) oxide dimer Dinitrogen pentoxide (N2O5), nitrogen(V) oxide, or ... Nitrogen oxide may refer to a binary compound of oxygen and nitrogen, or a mixture of such compounds: Nitric oxide (NO), ... Nitrate Nitrogen oxide sensor Sulfur nitrides, which are valence isoelectronic with nitrogen oxides United States Clean Air Act ...
... or nitrogen hydrate is a clathrate consisting of ice with regular crystalline cavities that contain nitrogen ... Since the air for burning also contains nitrogen, the fumes from combustion contain mostly nitrogen, and so nitrogen clathrate ... On Mars the nitrogen pressure is far too low to produce nitrogen clathrate itself, but nitrogen likely makes up a small ... Nitrogen clathrate hydrate has a density range of 0.95 to 1.00 gcm−3 varying depending on how full of the nitrogen the cavities ...
... was considered for use as a solid rocket fuel for research in 1966. Some studies believe that nitrogen ... A compound that is similar to nitrogen pentahydride is the theretical nitrogen pentafluoride. Its structure is assumed to be ... it is a compound of nitrogen and five of the same atom, but nitrogen pentafluoride is also a hypothetical compound, still never ... H2 Several papers have conducted theoretical calculations on nitrogen pentahydride, and believe that nitrogen pentahydride is ...
For example, the nitrogen oxides NO and NO2 have an odd number of nitrogens but even masses of 30 and 46, respectively. Mass ( ... The nitrogen rule states that organic compounds containing exclusively hydrogen, carbon, nitrogen, oxygen, silicon, phosphorus ... with the exception of nitrogen, which has a nominal (or integer) mass of 14, but has a valency of 3. The nitrogen rule is only ... then the nitrogen rule becomes reversed (odd numbered masses indicate even numbers of nitrogens and vice versa). However, for ...
Cinesite Vancouver (formerly known as Nitrogen Studios Canada, Inc., commonly referred to as Nitrogen Studios) is a Canadian ... Refused to Credit Artists Nitrogen Studios info on VFX World Map Nitrogen Studios Canada, Inc. on Internet Movie Database ... Nitrogen had also provided CGI animation and concept art for a planned second theatrical Thomas & Friends film with the title ... The humans, animals and other specific scenery were tracked and animated by Nitrogen. However, scenes without the CGI are ...
Argon, however, has 2.33 times the narcotic effect of nitrogen, and is a poor choice as a breathing gas for diving (it is used ... Trudell, J.R.; Koblin, D.D.; Eger, E.I. (1998). "A molecular description of how noble gases and nitrogen bind to a model site ... 1977,1978). The non-helium portion (i.e., the sum of the oxygen and the nitrogen) is to be regarded as having the same narcotic ... The most straightforward way to avoid nitrogen narcosis is for a diver to limit the depth of dives. The other main preventive ...
High nitrogen purity: PSA nitrogen generator plants allow production of high-purity nitrogen from air, which membrane systems ... The net cost of nitrogen produced by nitrogen generators is significantly less than the cost of bottled or liquefied nitrogen. ... The net cost of nitrogen produced by nitrogen complexes is significantly less than the cost of cylinder or liquefied nitrogen. ... Nitrogen generators and stations are stationary or mobile air-to-nitrogen production complexes. The adsorption gas separation ...
Cold nitrogen is a better medium than hot nitrogen, and this appears to be part of the reason that the pulse energy and power ... The nitrogen laser is a three-level laser. In contrast to more typical four-level lasers, the upper laser level of nitrogen is ... A nitrogen laser is a gas laser operating in the ultraviolet range (typically 337.1 nm) using molecular nitrogen as its gain ... The wall-plug efficiency of the nitrogen laser is low, typically 0.1% or less, though nitrogen lasers with efficiency of up to ...
... is produced when radical species (H, O, N, CH3) abstracts a fluorine atom from nitrogen difluoride (NF2 ... Nitrogen monofluoride (fluoroimidogen) is a metastable species that has been observed in laser studies. It is isoelectronic ... It is unstable with respect to its formal dimer, dinitrogen difluoride, as well as to its elements, nitrogen and fluorine. ... Compounds with Oxygen and Nitrogen. Springer Science & Business Media. pp. 263-271. ISBN 9783662063392. Avizonis, Petras V. ( ...
Kjeldahl nitrogen may refer to: Kjeldahl method Total Kjeldahl Nitrogen This disambiguation page lists articles associated with ... the title Kjeldhal nitrogen. If an internal link led you here, you may wish to change the link to point directly to the ...
... is used in a slush mixture with liquid nitrogen in order to cool faster than with liquid nitrogen alone, useful ... Solid nitrogen is a number of solid forms of the element nitrogen, first observed in 1884. Solid nitrogen is mainly the subject ... Solid nitrogen admits two phases at ambient pressure: α- and β-nitrogen. Below 35.6 K, nitrogen adopts a cubic structure with ... At these low pressures, nitrogen exists in only two known allotropes: α-nitrogen (below 35 K) and β-nitrogen (35-63 K). ...
... s are nonspecific DNA alkylating agents. Nitrogen mustards are not related to the mustard plant or its pungent ... Nitrogen mustard gas was stockpiled by several nations during the Second World War, but it was never used in combat.Daniel C. ... The nitrogen mustard drug mustine (HN2), is no longer commonly in use in its original IV formulation because of excessive ... Nitrogen mustards that can be used for chemical warfare purposes are tightly regulated. Their weapon designations are: HN1: Bis ...
Though nitrogen fixation is the primary source of plant-available nitrogen in most ecosystems, in areas with nitrogen-rich ... Blue represent nitrogen storage, green is for processes moving nitrogen from one place to another, and red is for the bacteria ... Nitrogen entering the euphotic zone is referred to as new nitrogen because it is newly arrived from outside the productive ... Nitrogen enters the water through the precipitation, runoff, or as N 2 from the atmosphere. Nitrogen cannot be utilized by ...
Although nitrogen is more electronegative than iodine, the compound was so named due to its analogy to the compound nitrogen ... See the explosion Nitrogen Tri-Iodide - explains why the compound is explosive Nitrogen Tri-Iodide Detonation on Youtube (All ... as are the other nitrogen trihalides and ammonia. The material that is usually called "nitrogen triiodide" is prepared by the ... Small amounts of nitrogen triiodide are sometimes synthesized as a demonstration to high school chemistry students or as an act ...
... may refer to: Nitric acid, HNO3 Nitrous acid, HNO2 Hyponitrous acid, H2N2O2 This set index article lists chemical ...
Nitrogen use efficiency (NUE) is the proportion of nitrogen present that a plant absorbs and uses. Improving nitrogen use ... Nitrogen assimilation is the formation of organic nitrogen compounds like amino acids from inorganic nitrogen compounds present ... Other organisms, like animals, depend entirely on organic nitrogen from their food. Plants absorb nitrogen from the soil in the ... it protects the mitochondrial functions during periods of high nitrogen metabolism and takes part in nitrogen remobilization. ...
The amount of nitrogen in a chemical substance can be determined by the Kjeldahl method. In particular, nitrogen is an ... Nitrogen compounds also have an important role in organic chemistry, as nitrogen is part of proteins, amino acids and adenosine ... Five nitrogen fluorides are known. Nitrogen trifluoride (NF3, first prepared in 1928) is a colourless and odourless gas that is ... Nitrogen is one of the most important elements in organic chemistry. Many organic functional groups involve a carbon-nitrogen ...
... is a chemical compound with the formula NBr3. It is extremely explosive in its pure form, even at −100 °C, ... Nitrogen tribromide reacts instantly with ammonia in dichloromethane solution at −87 °C to yield NBrH2. NBr3 + 2 NH3 → 3 NH2Br ... Nitrogen halides, Substances discovered in the 1970s, Bromine(I) compounds). ...