基本解釋一次導(dǎo)數(shù)英漢例句雙語例句The content of etoposide injection was determined by first order derivative spectrophotometry.用一堦導(dǎo)數(shù)光譜法測定足葉乙甙注射液的含量。METHODS: To test the contents of cefotaxime sodium and cimetidine in all kinds of infusions using first order derivative and double wavelength spectrophotometry.方法：採用一堦導(dǎo)數(shù)分光光度法和雙波長光譜法測定各配伍液中頭孢噻肟鈉和西咪替丁的含量。The determination of norfloxacin in compound norfloxacin ear drops by first order derivative UV spectrophotometry needed no separation and was simple, rapid, and accurate.採用一堦導(dǎo)數(shù)分光光度法測定複方滴耳液中諾氟沙星的含量，樣品不須分離，方法簡便，結(jié)果滿意。first order derivative更多例句詞組短語短語first -order derivative uv spectrophotometry 一堦導(dǎo)數(shù)紫外分光光度法first order spatial derivative 一堦空間導(dǎo)數(shù)first order derivative更多詞組專業(yè)釋義能源科學(xué)技術(shù)一堦導(dǎo)數(shù)