N (nitrogen)

См. также в других словарях:

• 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 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 dioxide — Nitrogen dioxide …   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 trifluoride — Nitrogen trifluoride …   Wikipedia

• Nitrogen trichloride — Nitrogen trichloride …   Wikipedia

• Nitrogen triiodide — IUPAC name …   Wikipedia

• Nitrogen washout — (or Fowler s method) is a test for measuring dead space in the lung during a respiratory cycle, as well as some parameters related to the closure of airways. Contents 1 Procedure 2 Parameters 3 See also 4 References …   Wikipedia

• Nitrogen-13 — Full table General Name, symbol Nitrogen 13,13N Neutrons 6 Protons 7 …   Wikipedia

• Nitrogen balance — is the measure of nitrogen output subtracted from nitrogen input.[1] Blood urea nitrogen can be used in estimating nitrogen balance, as can the urea concentration in urine. A positive value is often found during periods of growth, tissue repair… …   Wikipedia

• Nitrogen inversion — in ammonia Inversion of an amine. The pair of dots represents the lone electron pair on the nitrogen atom. In chemistry, a nitrogen compound like …   Wikipedia