比色法

On proliferation hepatoma HepG-2 cells.MethodsMTT assay was used to examine the effect of Portulaca oleracea L. on the proliferation of HepG-2 cell and flow cytometry was used for the cell cycle distribution.

方法采用MTT比色法观察马齿苋提取物抑制肝癌HepG-2细胞增殖；采用流式细胞仪检测马齿苋对HepG-2细胞周期分布的影响。

The method is a traditional colorimetry and is direct ratio with the content of Pyrethrin pesticide and absorbency in a concentration area. The best absorbency wavelength is 505nm and it is ideal about the recovery.

本方法采用传统的比色法，在一定浓度范围内拟除虫菊酯类农药的含量与吸光度呈正比关系，最佳测定波长为505nm，样品的回收率比较理想。

Meanwhile,the development effect,relative molecular weight and mechanical properties of radiopaque polyurethanes with different iodine content were also studied.

利用X-射线映射对不同封端量聚氨酯的显影效果进行评定；利用DSC和TGA对其热性能进行表征，并评估封端反应对聚氨酯热稳定性的影响；利用噻唑蓝比色法测试了材料的细胞毒性；并对具有不同碘含量聚氨酯材料的显影效果、相对分子量及其分布、力学性能进行了对比研究。

Methods Compared with the ultrasonic extraction and the refluent extraction experiment,colorimetric analysis was used to measure the content of active ingredients.

方法比较超声提取和回流提取实验，用比色法测定有效成分；采用回流提取正交实验，并对实验数据经不同的计算和分析比较优选螃蟹脚的提取工艺条件。

L-citrulline was determined with liquid scintillometer, and the activity of NO synthase(induced NOS, total NOS, constitutive NOS) in pulmonary and right ventricular homogenates was counted.

采用比色法测定血浆、肺组织、右心室组织一氧化氮代谢产物(NO2-/NO3-)的含量，液体闪烁仪测定[3H]-瓜氨酸的生成量，计算肺组织、右心室组织组织型NOS(tissue NOS，tNOS)、诱导型NOS(induced NOS，iNOS)和原生型NOS(constitutive NOS，cNOS)的活性。

Methods The β-sitosterol and/or total protein of Pinella were incubated at different concentrations with cervical cancer cell line SiHa. The effects of β-sitosterol and/or total protein of Pinella on the viability of cells were tested by MTT assay.

在子宫颈癌细胞SiHa的培养基中加入不同浓度的β-谷甾醇和／或掌叶半夏总蛋白培养1~7d，采用MTT比色法检测细胞的活性。

In this paper, the methods of determining free sodium cyanide in cyanidc solution of gold ore by colorimetric comparison are studied, this Laying a foundation for the development of automatic analytical instrument of sodium cyanide at home.

本文研究了用比色法测定金矿氰化液中游离氰化钠的方法，为国内研制氰化钠自动分析仪打下基础。

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。

Toxicity characterisation procedures indicated that the primary toxicants in the effluent were volatile,and could be reduced by sodium thiosulfate. Toxicity based fractionation techniques were conducted,and the oxidation organic chloridates were found not to be the major toxicants.

结果表明，废水对大型蚤具有急性毒性，曝气可去除废水的部分毒性，硫代硫酸钠的投加可去除废水毒性，同时用DPD试剂盒比色法可测出游离态氯气和一价氧化态氯化物。

Objective:To establish a method to determine total alkaloids in radix Sophora lavescens by acid dye colorimetry.

目的：建立酸性染料比色法测定苦参药材中总生物碱的含量。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。