ortho-para conversion
Смотреть что такое "ortho-para conversion" в других словарях:
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
Paul Harteck — Infobox Scientist name = Paul Harteck image width = caption = Paul Harteck birth date = birth date|1902|7|20 birth place = Vienna, Austria residence = nationality = death date = death date and age|1985|1|22|1902|7|20 death place = Santa Barbara,… … Wikipedia
Liquid hydrogen — (LH2 or LH2) is the liquid state of the element hydrogen. It is a common liquid rocket fuel for rocket applications. Hydrogen is found naturally in the molecular H2 form.To exist as a liquid, H2 must be pressurized and cooled to a very low… … 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
Hydrogène liquide — Lancement du satellite militaire DSP 23 le 10/11/2007 à bord d une fusée Delta IV Heavy propulsée à l hydrogène liquide (LH2) avec de l oxygène liquide (LOX). Propulseurs d appoint Heavy : LOX / LH2 Impulsion… … Wikipédia en Français
Paracetamol — Acetaminophen Systematic (IUPAC) name … Wikipedia
holmium — /hohl mee euhm/, n. Chem. a rare earth, trivalent element found in gadolinite. Symbol: Ho; at. wt.: 164.930; at. no.: 67. [ < NL (1879), equiv. to Holm(ia) Stockholm + ium IUM] * * * ▪ chemical element (Ho), chemical element, rare earth metal of … 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
