Methods First derivative spectrophotometry was used.
方法一阶导数分光光度法。
Method: First derivative spectrophotometry was used.
方法：用一阶导数光谱法测定。
METHODS: The first order derivative spectrophotometry was used.
方法：采用一阶导数分光光度法。
The content of etoposide injection was determined by first order derivative spectrophotometry.
用一阶导数光谱法测定足叶乙甙注射液的含量。
Method: The content of fluconazole in gel was measured by first order derivative spectrophotometry.
方法：采用一阶导数分光光度法进行含量测定。
The Content of phenytoin sodium (for injection) was determined directly by the first order derivative spectrophotometry.
本文采用一阶导数紫外分光光度法直接测定注射用苯妥英钠的含量。
A new method for determining directly trace component in interfering base by absorbance subtraction -second derivative spectrophotometry is proposed.
对利用差谱—二阶导数分光光度法直接测定强干扰基体中微量组分的原理和实验方法进行了探讨。
The determination of Disperse Yellow RGFL, Disperse Brown 2rl and Disperse red S-BWFL on coloured Dacron fibres by coefficient multiple derivative spectrophotometry is described.
本文介绍了用系数倍率导数光谱法同时测定黄棕色涤纶上的分散黄rgfl、分散棕2rl、分散红s -BWFL的配比。
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。
Multiwavelength - derivative method and linear regression spectrophotometry combined with least square method are applied to the simultaneous determination of NO_3 and NO_2 in water.
研究了利用多波长导数—最小二乘回归—紫外分光光度法同时测量水中NO_3和NO_2离子含量的方法。
The degree of deacetylation of chitosan was determined directly by 1st derivative UV spectrophotometry using hydrochloric acid as solvent and N acetyl D glucosamine (ACGLSM) as standard.
以盐酸为溶剂，N乙酰基D葡萄糖胺为标准品，用紫外一阶导数光度法直接测定壳聚糖的脱乙酰度。
The derivative spectrum of saccharin sodium, benzoic acid and sorbic acid were seriously overlapping, so they can not be determined individually by spectrophotometry without prior separation.
糖精钠、苯甲酸和山梨酸的导数光谱彼此严重重叠，未经分离无法作单一成分分析。
The determination of potassium guaiacolsulfonate in Shangfeng Zhike granules by first order derivative UV-spectrophotometry needed no separation and was simple, rapid, and accurate.
采用一阶导数分光光度法测定伤风止咳冲剂中愈创木酚磺酸钾的含量，不须分离，方法简便，结果满意。
The determination of norfloxacin in compound norfloxacin ear drops by first order derivative UV spectrophotometry needed no separation and was simple, rapid, and accurate.
采用一阶导数分光光度法测定复方滴耳液中诺氟沙星的含量，样品不须分离，方法简便，结果满意。
OBJECTIVE a method of first derivative UV spectrophotometry for growth hormone in PLGA microspheres was described.
目的建立一种一阶导数紫外分光光度法测定plga微球内生长激素含量的方法。
METHODS The third derivative ultraviolet spectrophotometry was used.
方法采用三阶导数光谱法。
METHODS The third derivative ultraviolet spectrophotometry was used.
方法采用三阶导数光谱法。
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