- nitrogen substance
- Экология: азотсодержащее соединение
Универсальный англо-русский словарь. Академик.ру. 2011.
nitrogen substance
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Nitrogen generator — Nitrogen generators and stations are stationary or mobile air to nitrogen production complexes. In advanced economies, membrane nitrogen plants have almost ousted alternative processes of nitrogen generation in all cases where nitrogen is not… … Wikipedia
nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… … Universalium
Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P … Wikipedia
nitrogen — noun (U) a gas that is an element (=a simple substance) without colour or smell, that forms most of the Earth s air … Longman dictionary of contemporary English
Liquid nitrogen economy — A liquid nitrogen economy is a hypothetical proposal for a future economy in which the primary form of energy storage and transport is liquid nitrogen. It is proposed as an alternative to liquid hydrogen in some transport modes and as a means of… … Wikipedia
Liquid nitrogen — (liquid density at the triple point is 0.707 g/mL) is the liquid produced industrially in large quantities by fractional distillation of liquid air and is often referred to by the abbreviation, LN2. It is pure nitrogen, in a liquid state. Liquid… … Wikipedia
HN3 (nitrogen mustard) — Tris(2 chloroethyl)amine … Wikipedia
Chemical substance — Chemical redirects here. For other uses, see Chemical (disambiguation). Steam and liquid water are two different forms of the same chemical substance, water. In chemistry, a chemical substance is a form of matter that has constant chemical… … Wikipedia
Blood urea nitrogen — The blood urea nitrogen (BUN) test is a measure of the amount of nitrogen in the blood in the form of urea, and a measurement of renal function. Urea is a substance secreted by the liver, and removed from the blood by the kidneys.PhysiologyThe… … Wikipedia
nitrate nitrogen — nitrate nitrogen, a chemical substance produced by nitrification through bacteria located either in the nodules of leguminous plants or in the soil and necessary to the development of plants … Useful english dictionary
atomic number 7 — noun a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues • Syn: ↑nitrogen, ↑N • Derivationally related forms:… … Useful english dictionary
