The percentage composition of colloidal sol-gel and molar percentage of carboxyl group(—COOH) of the resin were analyzed.

分析了该树脂的溶胶、凝胶质量分数，羧酸根（—COOH）的摩尔分数。

A white crystalline acid, COOH (CH2) 8cooh, used in the manufacture of certain synthetic resins and fibers, various plasticizers, and polyester rubbers.

任一种白色的晶体酸，化学式为COOH (CH2) 8cooh，用于生产某些合成胶、纤维多种增塑剂和聚脂橡胶。

The-COOH contents in HA increases, phenolic-OH group decreases and the chemical acidity of acidic functional groups increases when HA is oxidized by nitric acid.

用硝酸氧化能使ha中羧基含量增加，酚羟基减少，酸性功能团活性提高。

With the active carboxylic groups on the surface, DPPE-PEG3000 - COOH liposomes can be linked with some active molecules, which provide liposomes with special functions.

脂质体表面的活性羧基可以和其它活性分子反应，这可能为脂质体带来新的功能。

Water soluble tetrazolium salts assay showed that the MWCNTs-COOH was less cytotoxic when compared to MWCNTs which demonstrated to be slightly more cytotoxic than MWCNTs-OH.

水溶性四氮唑法检测显示碳纳米管的细胞毒性作用呈现浓度依赖性并与作用时间具有一定关系。

Results showed that the blood compatibility properties of heparin-like compounds of chitosan were simultaneously affected by both -COOH and -SO3H in the main chains of chitosan.

结果表明，壳聚糖类肝素化合物的抗凝血性能是由甲壳糖主链上引入的-COOH和-SO3H两种基团的协同效应产生的，血液相溶性的优劣主要取决于-COOH和-SO3H两者的比例。

COOH and -SH two polar groups in mercaptoacetic sodium acid have properties of strong reaction to sulphide ores. It is the most satisfactory agent for replacing sodium cyanide to suppress impurities.

巯基乙酸钠中两个极性基团一COOH及—SH具有同硫化矿强烈反应的特性，是代替氰化钠抑杂的理想药剂。