一阶导数光谱法测定灭痤霜中甲硝唑的含量 关键词 一阶导数法，甲硝唑，灭痤霜 [gap=637]Key words First derivative spectrophotometry，Metronidazole，Miecuo cream
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比值光谱一阶导数法 Derivative of ratio spectrum method
一阶导数光谱法 The first order derivative spectorphotometry ; the first derivative uv-spectrophotometry ; the first derivate spectrometry
一阶导数试验法 First Derivative Test
一阶导数分光光度法 first derivative spectrophotometry
一阶导数紫外光谱法 First derivative of UV spectrum
一阶光谱导数法 first derivative spectrophotometric method
紫外一阶导数光谱法 uv first derivative spectroscopy
一阶导数荧光光度法 first order derivative excitation spectrum fluorimetry
用双波长、差示、一阶导数分光光度法，建立了一种测定外源物体外代谢时一氧化碳(CO)生成量的新方法。
A double wavelength-differential-first order derivative spectrophotometric assay was established to determine carbon monoxide (CO) generation during in vitro metabolism of xenobiotics.
目前，红细胞边缘形态的检测一般都是利用传统的边缘检测方法，如边缘临近一阶或二阶方向导数法，利用简单的方法来检测边缘。
At present, the methods of edge detection of erythrocyte are using traditional theory such as edge one-order or second-order orient differential coefficient and using simple methods to detect edge.
方法：采用一阶导数分光光度法和双波长光谱法测定各配伍液中头孢噻肟钠和西咪替丁的含量。
METHODS: to test the contents of cefotaxime sodium and cimetidine in all kinds of infusions using first order derivative and double wavelength spectrophotometry.
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