Nitrogen
71Nitrogen narcosis — Inert gas narcosis [Nitrogen narcosis] Classification and external resources Divers breathe a mixture of oxygen, helium and nitrogen for deep dives to avoid the effects of narcosis. A cylinder label shows the maximum operating depth and mixture… …
72Nitrogen deficiency — A young cabbage plant exhibiting nitrogen deficiency. This is about nitrogen compounds in plant nutrition. For shortage of nitrogen compounds in human and animal nutrition, see protein deficiency. All plants require sufficient supplies of… …
73Nitrogen asphyxiation — For the method of slaughtering farm animals, see Controlled Atmosphere Killing. Part of a series on Capital punishment Issues …
74nitrogen cycle — the continuous sequence of events by which atmospheric nitrogen and nitrogenous compounds in the soil are converted, as by nitrification and nitrogen fixation, into substances that can be utilized by green plants, the substances returning to the… …
75Nitrogen mustard — HN1 (bis(2 chloroethyl)ethylamine) …
76Nitrogen oxide — Contents 1 NOx 2 Derivatives 3 See also 4 References …
77Nitrogen rule — The nitrogen rule states that organic compounds containing exclusively hydrogen, carbon, nitrogen, oxygen, silicon, phosphorus, sulfur, and the halogens either have 1) an odd nominal mass that indicates an odd number of nitrogen atoms are present …
78Nitrogen group — Group 15 Period 2 7 N 3 …
79nitrogen cycle — /ˈnaɪtrədʒən saɪkəl/ (say nuytruhjuhn suykuhl) noun the continuous circulation of nitrogen and nitrogen compounds in nature between the atmosphere, the soil, and the various organisms to which nitrogen is essential. The nitrogen cycle describes… …
80Nitrogen-vacancy center — The nitrogen vacancy center (N V center) is one of numerous point defects in diamond. Its most explored and useful property is photoluminescence, which can be easily detected from an individual N V center. Electron spins at N V centers, localized …
