“reagent chemicals”的概念、定义、翻译、参考文献-科学参考

单词	reagent chemicals
释义	reagent chemicals [rē`ā·jǝnt ´kem·ǝ·kǝlz] ^{ANALYTICAL CHEMISTRY} High-purity chemicals used for analytical reactions, for testing of new reactions where the effect of impurities are unknown, and, in general, for chemical work where impurities must either be absent or at a known concentration.
随便看	receiver noise threshold receiver primary receiver radiation receiver synchro receiving antenna receiving area receiving gage receiving house receiving loop loss receiving set receiving station receiving tank receiving tube Recent recent receptacle reception receptive aphasia receptor recess recessed bead recessed tube wall recession recessional moraine recession curve

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