“extract”的概念、定义、翻译、参考文献-科学参考

单词	extract
释义	extract [`ek´strakt (noun) or ik`strakt (verb)] ^CHEMISTRY Material separated from liquid or solid mixture by a solvent. ^{COMPUTER SCIENCE} 1. To form a new computer word by extracting and putting together selected segments of given words. 2. To remove from a computer register or memory all items that meet a specified condition. ^METALLURGY To separate a metal or a mineral from an ore by various chemical or mechanical methods. ^PHARMACOLOGY 1. A pharmaceutical preparation obtained by dissolving the active constituents of a drug with a suitable menstruum, evaporating the solvent, and adjusting to prescribed standards. 2. A preparation, usually in a concentrated form, obtained by treating plant or animal tissue with a solvent to remove desired odiferous, flavorful, or nutritive components of the tissue.
随便看	cyclic ion cyclic magnetization cyclic mining cyclic permeability cyclic permutation cyclic redundancy check cyclic salt cyclic sedimentation cyclic shift cyclic storage cyclic testing cyclic train cyclic transfer cyclic twinning cyclic voltammetry cyclindroid cycling cyclitis cyclitol cyclization chromosome walking chromosphere chromospheric network chromotropic acid chromyl chloride

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