- natural nitrogen
- Макаров: природный азот
Универсальный англо-русский словарь. Академик.ру. 2011.
natural nitrogen
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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 — /nuy treuh jeuhn/, n. Chem. a colorless, odorless, gaseous element that constitutes about four fifths of the volume of the atmosphere and is present in combined form in animal and vegetable tissues, esp. in proteins: used chiefly in the… … Universalium
nitrogen-15 — The less common stable nitrogen isotope, making up 0.37% of natural nitrogen. SYN: heavy nitrogen … Medical dictionary
nitrogen-14 — The common nitrogen isotope, making up 99.63% of natural nitrogen … Medical dictionary
Natural-gas processing — is a complex industrial process designed to clean raw natural gas by separating impurities and various non methane hydrocarbons and fluids to produce what is known as pipeline quality dry natural gas.[1] Contents 1 Background 2 Types of raw… … Wikipedia
Natural gas processing — plants, or fractionators, are used to purify the raw natural gas extracted from underground gas fields and brought up to the surface by gas wells. The processed natural gas, used as fuel by residential, commercial and industrial consumers, is… … Wikipedia
Nitrogen fixation — is the natural process, either biological or abiotic, by which nitrogen (N2) in the atmosphere is converted into ammonia (NH3).[1] This process is essential for life because fixed nitrogen is required to biosynthesize the basic building blocks of … Wikipedia
Nitrogen nutrition in the arbuscular mycorrhizal system — Contents 1 Role of nitrogen 1.1 Mechanism of action 1.2 Community and ecology 1.3 Alternate theories … Wikipedia
nitrogen cycle — n a continuous series of natural processes by which nitrogen passes through successive stations in air, soil, and organisms and which principally involves nitrogen fixation, nitrification, decay, and denitrification * * * the steps by which… … Medical dictionary
Natural organic matter — (NOM) is broken down organic matter that comes from plants and animals in the environment. [ Natural Organic Matter, GreenFacts, 22 Apr, 2007 … Wikipedia
Natural Balance Pet Foods — Type Private Industry Pet food Founded Pacoima … Wikipedia
