Method Phenol-sulfuric acid colorimetric analysis is employed.
方法采用苯酚-硫酸比色法。
METHODS: Colorimetric analysis, was performed by the anthrone reagent.
方法：采用蒽酮比色法。
A design of the meter was given according to the principle of colorimetric analysis.
该仪器是根据比色的原理而设计的。
Objective: To determine the numerical value of light dense of sodium salicylate by colorimetric analysis, and calculate its plasma half life.
目的：用比色法测定水杨酸钠的光密度值，并计算血浆半衰期。
Methods: Effect on NDMA and scavenging rate sodium nitrite was tested by colorimetric analysis and ultraviolet irradiation and decomposition.
方法：用比色法及紫外光解法测定了榛叶提取物对二甲基亚硝胺(N DMA)体外合成的阻断作用及对亚硝酸钠的清除作用。
The figure of regression equation of linearise turned from the functional equation of exponential curve is the best line to express the correlation of exponential curve in colorimetric analysis.
在比色分析中，由指数曲线函数方程转换的直线化回归方程的图形，是表达指数曲线相关的最佳直线。
Methods According to the AQC procedure of analysis water quality evaluated precision and accuracy of colorimetric method.
方法按水质分析中评价比色法精密度和准确度的AQC工作程度进行。
The results obtained by 4-aminoantipyrine colorimetric and U V spectrometric analysis show that the some change of the structure of DMPT occurred during the process o…
用4-氨基安替比林比色法和紫外分光光度法对提取物的分析结果表明，DMPT在聚合反应或回流提取过程中已发生某种结构上的变化。
METHODS: Colorimetric and polarimetric analysis were used.
方法：采用比色法和旋光法两种方法测定。
METHODS: Colorimetric and polarimetric analysis were used.
方法：采用比色法和旋光法两种方法测定。
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