- Meta-Substitution
- fмета-замещение
Deutsch-Russische Wörterbuch der Chemie. 2014.
Deutsch-Russische Wörterbuch der Chemie. 2014.
Substitution electrophile aromatique — Substitution électrophile aromatique La substitution électrophile aromatique (ou SEA, voire SEAr) est une réaction chimique du domaine de la chimie organique, au cours de laquelle un atome, en règle générale d hydrogène, fixé à un cycle… … Wikipédia en Français
Meta-SQL — Use (with reference to PeopleSoft) Meta SQL expands to platform specific SQL substrings, causes another function to be called, or substitutes a value. Meta SQL constructs are used in functions that pass SQL strings, such as the following: SQLExec … Wikipedia
Substitution électrophile aromatique — La substitution électrophile aromatique (ou SEA, voire SEAr) est une réaction organique au cours de laquelle un atome, en règle générale d hydrogène, ou un groupe d atome, fixé à un cycle aromatique est substitué par un groupement électrophile.… … Wikipédia en Français
Meta (Chemie) — Die Substitutionsmuster sind Teil der organisch chemischen Nomenklatur und beschreiben an Aromaten die Positionen der Substituenten (außer Wasserstoff) in ihrer Lage zueinander. Inhaltsverzeichnis 1 ortho, meta, para 2 vicinal (vic.),… … Deutsch Wikipedia
Meta (disambiguation) — For the umbrella Wikimedia project which co ordinates all other Wikimedia wiki projects, known as the meta wiki, see Wikipedia:Meta Meta may refer to: Meta or meta , a common English prefix meaning beyond which often carries a sense of self… … Wikipedia
méta- — mét(a) ♦ Élément, du gr. meta, exprimant la succession, le changement, la participation, et en philosophie et dans les sciences humaines « ce qui dépasse, englobe » (un objet, une science) : métalangage, métamathématique. ● méta Préfixe employé … Encyclopédie Universelle
Meta- (chemistry) — In chemistry, meta is a prefix, used for systematic names in IUPAC nomenclature. It has several meanings. [1] In organic chemistry, meta indicates the positions of substituents in aromatic cyclic compounds. The substituents have … Wikipedia
meta- — In medicine and biology, a prefix denoting the concept of after, subsequent to, behind, or hindmost. Cf.:post . [G. after, between, over] 1. In chemistry, an italicized prefix denoting joint, action sharing. 2. (m ) In chemistry, an italicized… … Medical dictionary
meta- — or met prefix Etymology: New Latin & Medieval Latin, from Latin or Greek; Latin, from Greek, among, with, after, from meta among, with, after; akin to Old English mid, mith with, Old High German mit 1. a. occurring later than or in succession to… … New Collegiate Dictionary
meta- — (also met before a vowel or h) combining form 1》 denoting a change of position or condition: metamorphosis. 2》 denoting position behind, after, or beyond: metacarpus. 3》 denoting something of a higher or second order kind: metalanguage. 4》… … English new terms dictionary
Arene substitution patterns — are part of organic chemistry IUPAC nomenclature and pinpoint the position of substituents other than hydrogen in relation to each other on an aromatic hydrocarbon. Contents 1 Ortho, meta, and para substitution 2 Ipso, meso, and peri substitution … Wikipedia