- ortho-to-para conversion
- орто-параконверсия
Большой англо-русский и русско-английский словарь. 2001.
Большой англо-русский и русско-английский словарь. 2001.
ortho — I. ˈȯr(ˌ)thō, ˈȯ(ə)(ˌ) adjective Etymology: orth 1. : derived from or being an acid in the highest hydrated or hydroxylated form known compare orth 3a 2. : relating to, characterized by, or being two neighboring positions in the benzene ring… … Useful english dictionary
Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium … Wikipedia
Spin isomers of hydrogen — Spin Isomers of Molecular Hydrogen Molecular hydrogen occurs in two isomeric forms, one with its two proton spins aligned parallel (orthohydrogen), the other with its two proton spins aligned antiparallel (parahydrogen).[1] At room temperature… … Wikipedia
Hidrógeno — Este artículo trata sobre un elemento químico. Para la molécula (H2), formada por dos átomos de hidrógeno, véase Dihidrógeno. Para otros usos de este término véase Hidrógeno (desambiguación). ← Hidrógeno → Helio … Wikipedia Español
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
carboxylic acid — Chem. any organic acid containing one or more carboxyl groups. [1900 05; CARBOXYL + IC] * * * Any organic compound with the general chemical formula ―COOH in which a carbon (C) atom is bonded to an oxygen (O) atom by a double bond to make a… … Universalium
chemical industry — Introduction complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Although the chemical industry may be described simply as the industry that uses chemistry and… … Universalium
phenol — phenolic /fi noh lik, nol ik/, adj. /fee nawl, nol/, n. Chem. 1. Also called carbolic acid, hydroxybenzene, oxybenzene, phenylic acid. a white, crystalline, water soluble, poisonous mass, C6H5OH, obtained from coal tar, or a hydroxyl derivative… … Universalium
Phenol — This article is about the molecule. For the class of chemicals containing a phenol group, see Phenols. Phenol … Wikipedia
hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… … Universalium
organohalogen compound — Introduction any of a class of organic compounds (organic compound) that contain at least one halogen (halogen element) ( fluorine [F], chlorine [Cl], bromine [Br], or iodine [I]) bonded to carbon. They are subdivided into alkyl, vinylic, aryl,… … Universalium