吸光度比值

吸光度比值K系数法是一种可以同时测定多元混合组分的新的分光光度法。

Absorbance ratio K-factor spectrophotometry is a new method to determine mixed components system .

本文阐述了吸光度比值K系数法的基本原理及实验方法。

A new method to determine mixed three components system by absorbance ratio K-factor spectrophotometry has been reported here and the basic principle and experimental technique of this method has been summarized .

提出了运用吸光度比值-导数光谱法同时测定Cr（Ⅲ）与Cu（Ⅱ）含量的新方法。

In the present paper , an absorbance ratio-derivative method for the simultaneous determination of copper (ⅱ) and chromium (ⅲ) was proposed .

加入硒干预后，内皮细胞平均凋亡率及Caspase-3酶活性吸光度比值较Ox-LDL组明显降低（P<0.05）。

While the endothelial cells cultured with selenium , the mean of apoptotic rates and caspase - 3 enzyme activity significantly decreased ( P < 0.05 ) .

对CH3SiHCl2的甲醇解产物进行气相色谱质谱联用分析，确定反应产物混合液的组成物质，并结合反应过程中SiH和SiCH3吸光度比值的变化，对醇解反应过程进行了研究。

In this paper , the alcoholysis products which were produced by CH_3SiHCl_2 and CH_3OH were examined by GC-MS. The composition of products was ascertained . The process of alcoholysis was studied through researching the change of the absorbency for Si-H and Si-CH_3 with reaction time .

方法：应用多波长吸光度比值差法，测定波长为265、270、274、278nm。

METHODS : With the wavelengths of 265,270,274 , and 278 nm as determinable points , the multiwavelength absorbance ratio difference spectrophotometry was used .

稀释溶液吸光度比值法测定不稳定络合物的稳定常数

Determination of Stability Constant of Instable Complex by Dissociation Degree Ratio Method

复方对乙酰氨基酚注射液的多波长吸光度比值差测定法

Multiwavelength absorbance ratio difference spectrophotometry for compound paracetamol injection

吸光度比值导数光谱法同时测量苯酚和2,4-二氯苯酚

Simultaneous Quantitative Analyzed Phenol and Dichlorophenol by the Derivative of Absorbance Ratio Method

双波长吸光度比值法测定复方苯甲酸制剂的含量

Quantitative determination of preparations containing benzoic and salicylic acids by dual wavelength absorbance ratio method

吸光度比值-导数光谱新方法及其在两组分同时测定中的应用吸收分光光度测定法

A New Absorbance Ratio Derivative Method and Its Application to Simultaneous Determination of Two Components in a Mixture

通过基团特征频率吸光度比值的统计分析，发现其比值与粘结剂主要性能之间存在着很好的相关规律。

By statistical analysis to absorbance ratio of group characteristic frequency , it is discovered that the good relative rule consist in the ratio and binder chief properties .

肺血管通透性测定：分组和处理同肺水含量测定实验，检测各组小鼠的肺灌洗液/血清吸光度比值。

Measurement of pulmonary vascular permeability : The grouping and processing was the same as the experiment of measurement of pulmonary water content . The ratio of cleaning solution from lung of each mouse to absorbance ( A ) of serum was measured .

利用所测定的碱性磷酸酶和蛋白吸光度的比值代表单位数量细胞中所含ALP的含量。

The relative ratio between absorbance of ALP and total protein can represent the activity of ALP in the unit quantitative cells .

纤维蛋白单体聚合速率与最大吸光度的比值（反映血浆纤维蛋白原分子的聚合功能）。

The ratio between the rate of polymerization of fibrin monomer and maximum absorbency ( reflecting the polymerization of plasmic fibrinogen molecules ) .

结果采用产物和内参（β-actin）的吸光度容积比值作为表达强度。

Results The ratio of the optical density volume of the produce and inner reference (β - actin ) was used as the level of expression .