primary reaction
1Primary central nervous system lymphoma — Classification and external resources Brain magnetic resonance imaging showing primary central nervous system B cell non Hodgkin lymphoma of the sella …
2primary cell — n. a battery cell whose energy is derived from an essentially irreversible electrochemical reaction and which is hence incapable of being efficiently recharged …
3Primary structure — In biochemistry, the primary structure of a biological molecule is the exact specification of its atomic composition and the chemical bonds connecting those atoms (including stereochemistry). For a typical unbranched, un crosslinked biopolymer… …
4Primary cell — A primary cell is any kind of battery in which the electrochemical reaction is not reversible, rendering the cell non rechargeable. A common example of a primary cell is the disposable battery. Unlike a secondary cell, the reaction cannot be… …
5Réaction de Ritter — La réaction de Ritter consiste en la préparation de N alkylamides, en milieu aqueux et acide, à partir d un nitrile et d un substrat capable de former un carbocation de type carbonium. Elle tient son nom du chimiste américain John Joseph Ritter… …
6Réaction de Kulinkovich-Szymoniak — La réaction de Kulinkovich Szymoniak est une réaction de cyclopropanation des nitriles, conduisant à des cyclopropylamines primaires. Sommaire 1 Découverte 2 Mécanisme …
7primary — adj. & n. adj. 1 a of the first importance; chief (that is our primary concern). b fundamental, basic. 2 earliest, original; first in a series. 3 of the first rank in a series; not derived (the primary meaning of a word). 4 designating any of the …
8Reaction Engines A2 — infobox Aircraft subtemplate = name = A2 caption = Artist s concept of the Reaction Engines A2 type = Hypersonic Airliner designer = Reaction Engines Limited manufacturer = Unknown status = Under design study first flight = produced = primary… …
9Primary Inversion — infobox Book | name = Catch the Lightning title orig = translator = image caption = author = Catherine Asaro illustrator = cover artist = country = USA language = English series = Saga of the Skolian Empire genre = Sci fi publisher = Tor Books… …
10Primary nutritional groups — An organism may be placed into one each of the three pairs of major nutritional groups based on their carbon, energy, and electron sources.*Carbon source refers to the source of carbon used by an organism for growth and development. An organism… …
