first order derivative

基本解釋

• 一次導數(shù)

英漢例句

雙語例句

• The content of etoposide injection was determined by first order derivative spectrophotometry.
  用一階導數(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：采用一階導數(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.
  采用一階導數(shù)分光光度法測定復(fù)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。

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詞組短語

短語

• first -order derivative uv spectrophotometry 一階導數(shù)紫外分光光度法
• first order spatial derivative 一階空間導數(shù)

• first order derivative更多詞組

專業(yè)釋義

能源科學技術(shù)

• 一階導數(shù)