- molecular nitrogen
- 分子态氮
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
molecular nitrogen
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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 — Ni tro*gen (n[imac] tr[ o]*j[e^]n), n. [L. nitrum natron + gen: cf. F. nitrog[ e]ne. See {Niter}.] (Chem.) A colorless nonmetallic element of atomic number 7, tasteless and odorless, comprising four fifths of the atmosphere by volume in the form… … The Collaborative International Dictionary of English
Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P … 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 laser — A 337nm wavelength and 170 µJ pulse energy 20 Hz cartridge nitrogen laser A nitrogen laser is a gas laser operating in the ultraviolet range[1] (typically 337.1 nm) using molecular nitrogen as its gain medium, pumped by an electrical… … Wikipedia
nitrogen fixation — The metabolic process in which atmospheric molecular nitrogen is reduced to ammonia; carried out by cyanobacteria, Rhizobium, and other nitrogen fixing bacteria … Dictionary of microbiology
nitrogen — noun /ˈnaɪtɹədʒən/ a) A chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067. The two nitrogens are located next to one another on the ring. b) Molecular nitrogen (N), a colorless, odorless gas at room temperature.… … Wiktionary
Nitrogen dioxide — Nitrogen dioxide … Wikipedia
Nitrogen trichloride — Nitrogen trichloride … Wikipedia
Nitrogen trifluoride — Nitrogen trifluoride … Wikipedia
Nitrogen triiodide — IUPAC name … Wikipedia
