单词 | buffer |
释义 | buffer [`bǝf·ǝr] CHEMISTRY A solution selected or prepared to minimize changes in hydrogen ion concentration which would otherwise occur as a result of a chemical reaction. Also known as buffer solution. COMPUTER SCIENCE See <<buffer storage>> ECOLOGY An animal that is introduced to serve as food for other animals to reduce the losses of more desirable animals. ELECTRICITY An electric circuit or component that prevents undesirable electrical interaction between two circuits or components. ELECTRONICS 1. An isolating circuit in an electronic computer used to prevent the action of a driven circuit from affecting the corresponding driving circuit. 2. See <<buffer amplifier>> ENGINEERING A device, apparatus, or piece of material designed to reduce mechanical shock due to impact. MINING ENGINEERING 1. Blasted material piled against or near a rock face to improve fragmentation and reduce scattering of rock from the next blast. 2. A movable metal plate set in place in a tunnel excavation to limit the amount of rock scattered during blasting. |
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