Перевод: с английского на русский

с русского на английский

quaternary form

См. также в других словарях:

  • Quaternary ammonium muscle relaxants — are quaternary ammonium salts used as drugs for muscle relaxation, most commonly in anasthesia. It is necessary to prevent spontaneous movement of muscle during surgical operations. Muscle relaxants inhibit neuron transmission to muscle by… …   Wikipedia

  • Quaternary ammonium cation — Quaternary ammonium cations, also known as quats, are positively charged polyatomic ions of the structure NR4+ with R being alkyl groups. Unlike the ammonium ion NH4+ itself and primary, secondary, or tertiary ammonium cations, the quaternary… …   Wikipedia

  • Quaternary (disambiguation) — Quaternary (from Latin quaternarius ) is an adjective meaning consisting of or containing four each , but sometimes (as in geology) taken to mean fourth or fourth hand , where it is used in place of quartary to continue the sequence Primary,… …   Wikipedia

  • quaternary — /kwot euhr ner ee, kweuh terr neuh ree/, adj., n., pl. quaternaries. adj. 1. consisting of four. 2. arranged in fours. 3. (cap.) Geol. noting or pertaining to the present period of earth history, forming the latter part of the Cenozoic Era,… …   Universalium

  • Quaternary extinction event — Late Pleistocene landscape of northern Eurasia The Quaternary period saw the extinctions of numerous predominantly larger, especially megafaunal, species, many of which occurred during the transition from the Pleistocene to the Holocene epoch.… …   Wikipedia

  • Quaternary structure — In biochemistry, quaternary structure is the arrangement of multiple folded protein molecules in a multi subunit complex.Description and examplesMany proteins are actually assemblies of more than one polypeptide chain, which in the context of the …   Wikipedia

  • Quaternary glaciation — The Ice Age redirects here. For other uses, see Ice age (disambiguation). Last ice age redirects here. This term is also used for the last glacial period of the Quaternary glaciation. Northern Hemisphere glaciation during the Last Glacial Maximum …   Wikipedia

  • quaternary — [kwə tə:n(ə)ri] adjective 1》 fourth in order or rank. 2》 (Quaternary) Geology relating to or denoting the most recent period in the Cenozoic era, following the Tertiary period (comprising the Pleistocene and Holocene epochs and beginning 1.64… …   English new terms dictionary

  • quaternary structure — A level of protein structure where several individual molecules assemble together and form a functional cluster. A classic example is haemoglobin, a complex of four myoglobin like units. See: tertiary structure …   Glossary of Biotechnology

  • Protein quaternary structure — In biochemistry, quaternary structure is the arrangement of multiple folded protein or coiling protein molecules in a multi subunit complex. Contents 1 Description and examples 2 Nomenclature of quaternary structures 3 Determination of qua …   Wikipedia

  • Late Quaternary prehistoric birds — Prehistoric birds are various taxa of birds that became extinct before recorded history, or more precisely, before they could be studied alive by bird scientists. They are known from subfossil remains and sometimes folk memory, as in the case of… …   Wikipedia

Поделиться ссылкой на выделенное

Прямая ссылка:
Нажмите правой клавишей мыши и выберите «Копировать ссылку»