nitrification
1nitrification — [ nitrifikasjɔ̃ ] n. f. • 1797; de nitrifier ♦ Chim. Transformation en nitrates de l ammoniac et des sels ammoniacaux. La nitrification se fait en deux temps (nitrosation; nitration), sous l influence de bactéries (nitrobactéries). Bacille qui… …
2Nitrification — Ni tri*fi*ca tion, n. [Cf. F. nitrification. see {Nitrify}.] 1. (Chem.) (a) The act, process, or result of combining with nitrogen or some of its compounds. (b) The act or process of oxidizing nitrogen or its compounds so as to form nitrous or… …
3nitrification — (n.) 1827, from Fr. nitrification (1787, de Morveau), from nitrifier (1777), from nitre (see NITRE (Cf. nitre)) …
4Nitrification — Nitrogen cycle Nitrification is the biological oxidation of ammonia with oxygen into nitrite followed by the oxidation of these nitrites into nitrates. Degradation of ammonia to nitrite is usually the rate limiting step of nitrification.… …
5Nitrification — Diagramme montrant le cycle de l azote. La nitrification est un processus, contrôlé par l action de certains micro organismes spécifiques, qui conduit à la transformation de l ammoniac en nitrite (nitrosation par Nitrosomonas) puis à la… …
6nitrification — (ni tri fi ka sion) s. f. Terme de chimie. Opération naturelle par laquelle il se forme des nitrates ou du nitre. L air est indispensable dans la nitrification, Instr. sur la fabric. du salpêtre, p. 20 …
7nitrification — nitrifikacija statusas T sritis chemija apibrėžtis Aerobinių mikroorganizmų sukelta amonio junginių oksidacija iki nitratų. atitikmenys: angl. nitrification rus. нитрификация …
8nitrification — nitrifikacija statusas T sritis ekologija ir aplinkotyra apibrėžtis Aerobinių mikroorganizmų (nitritinių ir nitratinių bakterijų) sukelta amonio junginių oksidacija iki nitratų dirvožemyje ir vandenyje. Būtinos sąlygos – pakankamas deguonies… …
9nitrification — nitrify ► VERB (nitrifies, nitrified) ▪ convert (ammonia or another nitrogen compound) into nitrites or nitrates. DERIVATIVES nitrification noun …
10nitrification — noun Date: 1827 the oxidation (as by bacteria) of ammonium salts to nitrites and the further oxidation of nitrites to nitrates …