acid base
51Base Molle — Une base molle est une base volumineuse et peu chargée contenant des atomes peu électronégatifs et très polarisables. L opposé d une base molle est une base dure. Le critère de dureté d une base est utilisé dans le principe HSAB ( Hard ans Soft… …
52Acid Cryptofiler — est un logiciel conçu par le Centre Electronique de l Armement, CELAR (DGA/MI)[1]. Il est basé sur l intégration de librairies cryptographiques gouvernementales avec une Interface de programmation CCSD (Couches Cryptographiques de Sécurité de… …
53base — Ⅰ. base [1] ► NOUN 1) the lowest part or edge of something, especially the part on which it rests. 2) a foundation, support, or starting point: the town s economic base collapsed. 3) the main place where a person works or stays. 4) a centre of… …
54Base rock — is a generic term for aragonite rocks which have no bacterial organisms or coralline algae growing in or on the rock. Base rock is often used as filler rock in the marine aquarium as it is much cheaper to purchase than live rock. Base rock can… …
55Base-poor — in ecology refers to water or soil which has relatively low levels of alkaline chemical bases, such as calcium or magnesium ions. Such environments are usually dominated by organic acids, and so are acidic and are occupied by species tolerant of… …
56Равновесие Кислотнощелочное (Acid-Base Balance) — баланс между содержанием в крови угольной кислоты и бикарбоната НСОЗ. Соотношение между ними должно быть всегда постоянным и составлять 1:20, чтобы обеспечивать нормальное кислотнощелочное равновесие в плазме крови, выражаемое через концентрацию… …
57Acid salt — Salt Salt, n. [AS. sealt; akin to OS. & OFries. salt, D. zout, G. salz, Icel., Sw., & Dan. salt, L. sal, Gr. ?, Russ. sole, Ir. & Gael. salann, W. halen, of unknown origin. Cf. {Sal}, {Salad}, {Salary}, {Saline}, {Sauce}, {Sausage}.] 1. The… …
58ACID — En bases de datos se denomina ACID a un conjunto de características necesarias para que una serie de instrucciones puedan ser consideradas como una transacción. Así pues, si un sistema de gestión de bases de datos es ACID compliant quiere decir… …
59Acid catalysis — In acid catalysis and base catalysis a chemical reaction is catalyzed by an acid or a base. The acid is often the proton and the base is often a hydroxyl ion. Typical reactions catalysed by proton transfer are esterfications and aldol reactions.… …
60base — 1. The lower part or bottom; the part of a pyramidal or conical structure opposite the apex; the foundation. SYN: basis [TA], basement (1). 2. In pharmacy, the chief ingredient of a mixture. 3. In chemistry, an …
