active hydrogen
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active hydrogen — atominis vandenilis statusas T sritis fizika atitikmenys: angl. active hydrogen; atomic hydrogen vok. atomarer Wasserstoff, m rus. активный водород, m; атомарный водород, m pranc. hydrogène atomique, m … Fizikos terminų žodynas
active hydrogen — Chem. See atomic hydrogen … Useful english dictionary
Hydrogen maser — A Hydrogen maser, also known as hydrogen frequency standard, is a specific type of maser that uses the intrinsic properties of the hydrogen atom to serve as a precision frequency reference.Both the proton and electron of a hydrogen atom have… … Wikipedia
Hydrogen sulfide — Systematic name … Wikipedia
Hydrogen-deuterium exchange — (also called H D or H/D exchange) is a chemical reaction in which a covalently bonded hydrogen atom is replaced by a deuterium atom, or vice versa. Usually the examined protons are the amides in the backbone of a protein. The method gives… … Wikipedia
hydrogen — /huy dreuh jeuhn/, n. a colorless, odorless, flammable gas that combines chemically with oxygen to form water: the lightest of the known elements. Symbol: H; at. wt.: 1.00797; at. no.: 1; density: 0.0899 g/l at 0°C and 760 mm pressure. [1785 95;… … Universalium
Hydrogen economy — The hydrogen economy is a proposed system of delivering energy using hydrogen. The term hydrogen economy was coined by John Bockris during a talk he gave in 1970 at General Motors (GM) Technical Center.[1] Hydrogen advocates promote hydrogen as… … Wikipedia
hydrogen chloride — a colorless gas, HCl, having a pungent odor: the anhydride of hydrochloric acid. [1865 70] * * * ▪ chemical compound (HCl), a compound of the elements hydrogen and chlorine, a gas at room temperature and pressure. A solution of the gas in… … Universalium
Hydrogen selenide — Chembox new Name = Hydrogen selenide ImageFileL1 = Hydrogen selenide 2D dimensions.png ImageSizeL1 = 130px ImageNameL1 = Structural diagram of the hydrogen selenide molecule ImageFileR1 = Hydrogen selenide 3D vdW.png ImageNameR1 = Space filling… … Wikipedia
Active transport — This article is about transport in cellular biology. For human transport systems, see active transportation. The action of the sodium potassium pump is an example of primary active transport. Active transport is the movement of a substance… … Wikipedia
