- buffer substance
- 缓冲物质
Medical Chinese dictionary (湘雅医学词典). 2013.
buffer substance
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Buffer — Buff er (b[u^]f [ e]r), n. [Prop a striker. See {Buffet} a blow.] 1. (Mech.) (a) An elastic apparatus or fender, for deadening the jar caused by the collision of bodies; as, a buffer at the end of a railroad car. (b) A pad or cushion forming the… … The Collaborative International Dictionary of English
buffer — buffer1 [buf′ər] n. [ BUFF1, vt. + ER] 1. a person who buffs or polishes 2. a buffing wheel, stick, block, or cloth buffer2 [buf′ər] n. [ BUFF2, v. + … English World dictionary
buffer solution — substance within a solution which makes the degree of acidity more resistant to change … English contemporary dictionary
buffer — buffer1 /buf euhr/, n. 1. an apparatus at the end of a railroad car, railroad track, etc., for absorbing shock during coupling, collisions, etc. 2. any device, material, or apparatus used as a shield, cushion, or bumper, esp. on machinery. 3. any … Universalium
buffer solution — noun a solution containing a buffer • Hypernyms: ↑solution • Hyponyms: ↑starting buffer, ↑phosphate buffer solution, ↑PBS • Substance Meronyms: ↑buffer * * * … Useful english dictionary
buffer — 1. A mixture of an acid and its conjugate base (salt), such as H2CO3/HCO3−; H2PO4−/HPO42−, that, when present in a solution, reduces any changes in pH that would otherwise occur in the solution when acid or alkali is added to it; … Medical dictionary
buffer — I. noun Etymology: origin unknown Date: 1749 slang British fellow, man; especially an old man II. noun Usage: often attributive Etymology: buff, verb, to react like a soft body when struck Date: 1835 … New Collegiate Dictionary
buffer — I buff•er [[t]ˈbʌf ər[/t]] n. 1) rai an apparatus at the end of a railroad car, railroad track, etc., for absorbing shock during coupling, collisions, etc 2) mac any device, material, or apparatus used as a shield, cushion, or bumper, esp. on… … From formal English to slang
buffer — 1. n. & v. n. 1 a a device that protects against or reduces the effect of an impact. b Brit. such a device (usu. one of a pair) on the front and rear of a railway vehicle or at the end of a track. 2 Biochem. a substance that maintains the… … Useful english dictionary
buffer — an alkaline substance with a pH over 7.0 added to preserving fluids to neutralise acids (formalin may turn acidic and should be buffered for long term storage of fish) or to aquaria to stabilise pH … Dictionary of ichthyology
buffer — A substance that restrains the acid migration of a material, or the act of using such a material this way. An acid free papers are often used as buffers in matting, framing, displaying, wrapping, and storing art objects … Glossary of Art Terms
