An ultraviolet spectrophotometry method was used to determine the content of gossypol in the diphenylamine gossypol.
用紫外分光光度法测定二苯胺棉酚中棉酚的含量。
A evaluation method for the performances and quality of chromatographic grade acetonitrile with ultraviolet spectrophotometry and high performance liquid chromatography is presented.
利用紫外分光光度计和高效液相色谱仪建立了色谱纯乙腈的性能和质量的评价方法。
Method To determine the contents of three kinds of nifedipine sustained release tablets and controlled release tablets by ultraviolet spectrophotometry.
方法采用紫外分光光度法，测定三种硝苯地平缓、控释片的含量。
Method: Ultraviolet spectrophotometry, Phenol-sulfuric acid method.
方法：紫外分光光度法，苯酚-硫酸法。
To establish an ultraviolet spectrophotometry for the determination of the sodium benzoate in fruit and vegetable salt. The method is simple, fast, low-cost and accurate.
建立以紫外分光光度法测定果蔬盐中苯甲酸钠含量的方法。该方法操作简便、快捷、成本低、结果准确。
Methods: Ethanol as solvent, using ultrasonic extraction method of total flavonoids in propolis extracted using ultraviolet-visible spectrophotometry of total flavonoids were determined.
方法：以乙醇为溶剂，采用超声提取的方法对蜂胶中的总黄酮进行提取，利用紫外-可见分光光度法对总黄酮的含量进行测定。
Methods: the effects of carbon source, ph, chlorpyrifos concentration on the ability of degradation and the fungi growth amount were determined by ultraviolet spectrophotometry and gravimetric method.
方法用紫外分光光度法和总量法测定了外加碳源浓度、初始ph值、乐斯本浓度对真菌的降解能力和生长量的影响。
METHODS: The method of ultraviolet spectrophotometry was used.
方法：采用紫外分光光度法。
Method: Ultraviolet spectrophotometry was employed to determine the absorption of different macroporous absorbing resin to astragaloside.
方法：采用紫外分光光度法测定不同大孔树脂对指标性含量黄芪总甙的吸附量。
A method for analysis of the burning residue at fire scene was established by ultraviolet spectrophotometry combined with microwave-assisted extraction.
建立了微波萃取-紫外分光光度分析火场燃烧残留物的方法。
This study of experiment condition to the free amino acid content in drink milk, the method of determining free amino acid in drink milk was established using ultraviolet spectrophotometry.
笔者对含乳饮料中游离氨基酸的含量的试验条件进行了研究，建立了紫外分光光度法测定游离氨基酸含量的测定方法。
The residue rate of methyl orange was detected with the method of ultraviolet spectrophotometry, and the gastric emptying rate of the animals were measured.
分光光度计比色法检测小鼠甲基橙胃残留率，观察胃排空率。
The residue rate of methyl orange was detected with the method of ultraviolet spectrophotometry, and the gastric emptying rate of the animals were measured.
分光光度计比色法检测小鼠甲基橙胃残留率，观察胃排空率。
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