synthetic fixed 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 fixation — 1. any process of combining atmospheric nitrogen with other elements, either by chemical means or by bacterial action: used chiefly in the preparation of fertilizers, industrial products, etc. 2. this process as performed by certain bacteria… …   Universalium

• Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P …   Wikipedia

• environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

• Haber, Fritz — born Dec. 9, 1868, Breslau, Silesia, Prussia died Jan. 29, 1934, Basel, Switz. German physical chemist. After early research in electrochemistry and thermodynamics, he developed, with his brother in law Carl Bosch (1874–1940), the Haber Bosch… …   Universalium

• Marine pollution — While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm. Marine pollution occurs when harmful, or potentially harmful effects, can result from the entry… …   Wikipedia

• George Washington Carver — Infobox Person name = George Washington Carver caption = birth date = January 1864cite web | url=http://www.nps.gov/archive/gwca/expanded/gwc tour 01.htm | title=About GWC: A Tour of His Life | publisher=National Park Service | work=George… …   Wikipedia

• Cottrell, Frederick Gardner — ▪ American chemist born Jan. 10, 1877, Oakland, Calif., U.S. died Nov. 16, 1948, Berkeley, Calif.  U.S. educator, scientist, and inventor of the electrostatic (electrostatic precipitation) precipitator, a device that removes suspended particles… …   Universalium

• chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …   Universalium

• Chemistry: A Volatile History — is a 2010 BBC documentary on the history of chemistry presented by Jim Al Khalili. It was nominated for the 2010 British Academy Television Awards in the category Specialist Factual. Contents 1 Episode 1 – Discovering the Elements 1.1… …   Wikipedia

• chemical compound — Introduction  any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element).       All the matter in the universe is composed of the atoms of more than 100 different chemical elements …   Universalium