利用原子吸收分光光度法对中药川芎中锌、锰、铁、钙、镁五种元素的形态进行了研究。
Speciation of Zn, Mn, Fe, Ca, Mg in Ligusticum wallichii Franch was analyzed by atomic absorptionspectrometry.
如果存在三聚氰胺,将会形成一种沉淀物质,这也可以同时通过肉眼观察和分光光度法进行判断。
If melamine is present, a precipitant is formed, which can also be assessed both visually and by spectrophotometry.
当存在三聚氰胺时,溶液的颜色将在几秒钟之内迅速从红色变为蓝色,而且能够同时通过肉眼观察和分光光度法检测到。
When melamine is present, the color of the solution changes from red to blue within seconds and can be measured both by visual inspection and spectrophotometry.
碱性玫瑰精通常采用分光光度法测试,但测试误差较大。
Rhodamine is usually determined by spectrophotometric method, but it results in big error.
首先用有限差分光束传播法模拟了器件的光波传播特性,然后进行了初步的实验验证。
The wave propagation characteristics of the splitter are numerically simulated by the finite difference beam propagation method and experimentally investigated.
目的:建立一种血浆一氧化碳测定的改良双波长分光光度法。
Objective: to develop an improved two-wavelength spectrophotometry for the measurement of plasma carbon monoxide.
目的:建立微量人参木质素含量测定的紫外分光光度法。
Objective: to establish the UV spectrophotometry for determining lignin content in tiny Panax ginseng powder.
方法:用高效液相色谱法与紫外分光光度法分别同时测定利福平胃溶胶囊的溶出度与利福平微丸胶囊的释放度。
Method: To determine the dissolution of the rifampicin gastric capsules by UV spectrum method and the release of rifampicin micro pill capsules by HPLC respectively.
方法:高效液相色谱法和分光光度法。
Methods: The HPLC analysis and spectrophotometry analysis were used.
用显微定量法和分光光度法对比测定了香连丸中黄连的含量,证实显微定量法的准确性。
By comparing the microscopic quantitative analysis with spectrophotometry, the content of Rhizoma Coptidis in Xianglian Pills has been determined and the accuracy of this method confirmed.
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。
A new method for determining directly trace component in interfering base by absorbance subtraction -second derivative spectrophotometry is proposed.
在水浴加热条件下,用硫酸氢根将吸附在树脂上的铀酰离子和硝酸根离子置换到液相中,之后分别采用亚钛法、分光光度法进行测定。
Heated in water bath, uranyl ion and nitrate radical adsorbed on resin are replaced into solution by sodium bisulfate, then are determined by titanous method and spectrophotometry, respectively.
按水质分析中的方法评价分光光度法的精密度和准确度。
The method of water quality analysis was used to evaluate the precision and accuracy of spectrophotometry.
方法紫外分光光度法测定金裕星注射液含量,用初匀速法预测其有效期。
METHOD JinyuStar injection was determined by UV spectrophotometry, prediction of expiry by initial average rate methods.
方法:电荷转移分光光度法。
方法:紫外分光光度法。
方法:紫外分光光度法。
方法一阶导数分光光度法。
基于有限差分光束传播法,对侧边抛磨光纤的光传输特性进行了模拟计算。
Based on beam propagation method, analysis and simulation on optical propagation characteristics of side-polished fiber have been made.
方法:采用一阶导数分光光度法。
METHODS: The first order derivative spectrophotometry was used.
方法:采用双波长分光光度法。
采用铬酸钡分光光度法(热法)。
Uses the baryta yellow spectrophotometric method (hot process).
方法:采用紫外分光光度法。
METHODS: The method of ultraviolet spectrophotometry was used.
目的用紫外分光光度法及荧光分光光度法优化化探样品中芳烃的测试条件。
Aim To optimize the measurement condition of hydrocarbon in geochemical samples by ultraviolet spectrometry and fluorescence spectroscopy.
分别采用差示-三波长分光光度法和单波长分光光度法测定复方利福平胶囊中的异烟肼及利福平。
The differential three wavelength and the simple wavelength spectrophotometry were used for determining isoniazid and rifampicin respectively in compound rifampicin capsules.
国家标准规定分光光度法和气相色谱法为杂醇油的分析方法。
Spectrophotometric method and gas chromatography were the authorized national standard analytical methods to fusel oil.
为确定以不同硒含量的大豆为原料生产豆腐过程中硒分布特性,用石墨炉原子吸收分光光度法对该过程中各种产物的硒含量进行了分析研究。
To determine the selenium distributed characteristic in bean curd production process by soybean as the material, the content of selenium in products from this prosess was determined and studied.
方法用硝酸钍滴定法、测铁分光光度法、测磷分光光度法及高压液相色谱法对不同样品植酸含量进行测定。
Methods The samples of phytic acid were determined with thorium nitrate titration, ferric spectrophotometry, phosphorus spectrophotometry and high performance liquid chromatography respectively.
方法用硝酸钍滴定法、测铁分光光度法、测磷分光光度法及高压液相色谱法对不同样品植酸含量进行测定。
Methods The samples of phytic acid were determined with thorium nitrate titration, ferric spectrophotometry, phosphorus spectrophotometry and high performance liquid chromatography respectively.
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