英语词汇“first-derivative”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	first-derivative
释义	first-derivative 英'fɜːstdɪr'ɪvətɪv美'fɜːstdɪr'ɪvətɪv BNC²³⁶²¹³⁺¹ 基本英英例句例句一阶导数¹⁰⁰ 名词 first derivative: the result of mathematical differentiation; the instantaneous change of one quantity relative to another; dfx/dxQuinestrol in compound preparation was directly determined by using derivative spectrometry.采用一阶导数光谱法对复方炔诺孕酮片中炔诺孕酮的含量进行了测定。 A simple and convenient method for determination of uric acid in urine by first-derivative UV- spectrophotometry is reported. 本文报道用一阶导数光谱测定尿液中尿酸含量的方法，并对计算机数字微分导数谱的特点进行了探讨。 cnki
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