cooh

The viscosity of aqueous PU was affected by the content of - COOH , neutralization degree , and temperature .

水性PU的粘度和羧基（&COOH）的含量、中和度以及温度等因素有关。

The dispersions with different average particle size were obtained by controlling the content of COOH and the ratio of NCO / OH .

重点研究预聚过程，相反转过程，聚氨酯乳液的粒径可由羧基含量和NCO/OH比例控制。

Average particle size became smaller while neutralization degree of - COOH increased .

水性聚氨酯体系的粒子尺寸受&COOH的中和度影响较大，中和度越高，粒子尺寸越小。

The relationship between contents of Fe and COOH and catalytic activity was examined .

考查了Fe含量和功能团（COOH）含量与催化活性的关系。

The results showed that the - COOH group was incorporated on the fiber surface after plasma treatment .

结果表明，经过等离子体处理后，纤维表面引入了-COOH。

- COOH content has great effect on the water resistance , mechanical property and stability of WPU .

研究表明，-COOH含量对水性聚氨酯胶黏剂的耐水性能、力学性能和乳液稳定性有较大影响。

The water absorbency of the cured film increases with the - COOH content ;

固化膜的吸水率随&COOH含量的增加而上升；

The univalent radical COOH ; present in and characteristic of organic acids .

一价基COOH，为有机酸特有。

T-style peel strength was also changed by changing the content of COOH % or R value .

R值或COOH%发生变化，T剥离强度也跟着发生改变；

Study of the COOH terminal Polypeptide of Receptor Associated Protein of Heymann Nephritis Antigen Complex

Heymann肾炎受体相关蛋白融合蛋白的实验研究

Study of dielectric and piezoelectric properties in γ - nh_2 ch_2 COOH crystal

γ&甘氨酸晶体介电和压电性能的研究

The tensile strength of the WPU films increased with the increasing - COOH content while the water resistance decreased .

随着-COOH含量的增大，胶膜的拉伸强度增强，硬度提高，但耐水性下降。

The emulsion is unstable when w ( COOH ) is less than 1.45 % .

当-COOH含量低于1.45%后，胶黏剂乳液不稳定。

The increase of the amount of COOH ( R ) groups on the activated carbon improves the effect of desulfuration .

含水状态下的混合含硫气体的脱硫效果明显提高，增加活性炭表面COOH（R）的含量有利于提高脱硫效率；

Exploration of Chemical Vibration Experiment in the System of KBrO_3 Reacting With CH_2 ( COOH ) _2

KBrO3与CH2（COOH）2反应体系的化学振荡实验探讨

In addition , the - COOH groups in polyurethane segment accelerate the degradation of polyurethane and reduce its shelf life .

另外，聚氨酯链段-COOH基团加速聚氨酯的降解，影响聚氨酯材料的使用寿命。

It will be helpful to examine first the behavior of the NH and COOH groups of free glycine as an example .

这对于以甘氨酸为例首次检验-NH2和-COOH基团的特性是有帮助的。

Preparation and Characterization of CoPc ( COOH ) _8-SA / mCS Bipolar Membranes

CoPc（COOH）8-SA/mCS双极膜的制备及表征

The experiments showed that COOH % and residual NCO % have affect onWPU emulsion appearance , viscosity and its storage stability .

物化性能研究结果表明，羧基含量、残余NCO%对乳液外观、粘度和贮存稳定性有显著的影响。

When there exists BP , ultraviolet radiation irradiate on the PET surface introduced - COOH , then graft RGD on it .

应用紫外线照射，在光敏剂BP存在条件下在PET表面引入-COOH，在此基础上利用共价键接枝RGD短肽。

The nitric acid oxidization treatment is able to increase - OH and – COOH on coal surface ; it results in SPI adsorptive capacity increased efficiently .

硝酸氧化处理可以进一步增加煤表面-OH、-COOH的含量，从而可有效改进煤的大豆蛋白质吸附量。

Poly ( styreneacrylic acid ) iron ( SAAC · Fe ) with different contents of Fe and COOH was prepared .

制备了不同铁含量、不同功能团含量的聚（苯乙烯丙烯酸）铁配合物（SAAC·Fe）。

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

分析了树脂的溶胶、凝胶百分含量，羧酸根（-COOH）的摩尔百分含量。测试了树脂在人工血和人工尿中的溶胀率、不同温度下的溶胀率及保水性能。

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。

The active site of His and VI are both imidazole group , but His also has reactive amido and - COOH with negative charge .

前两种配基中的主要活性位均是咪唑基团，但组氨酸分子中还含有负电性的羧基和具反应活性的胺基。

Identification of a pathogenic epitope on COOH terminal of the 44 KD receptor associated protein ( rap ) of Heymann nephritis antigenic complex

Heymann肾炎致病原受体相关蛋白羧基端病理性抗原决定簇的定位

CdTe semiconductor nanocrystals were synthesized in aqueous solution by using thioglycolic acid ( HSCH_ ( 2 ) COOH ) as the stabilizer .

以巯基乙酸（HSCH2COOH）为稳定剂，在水溶液中合成半导体CdTe纳米晶。

Latex interpenetrating polymer networks ( LIPN ) with reactive groups of carboxy COOH and hydroxymethyl CH_2OH in the main chains were prepared .

制备了在主链上带有羧基（COOH）及羟甲基（CH2OH）活性基团的胶乳互穿网络聚合物（LIPN）。

The active center carboxy group - COOH in the humidity - sensitive film is mentioned and the change of the active center-cooh in imide reaction is expounded .

提出感湿膜中存在有活性中心羧基-COOH及活性中心-COOH在酰亚胺化过程中的变化。

So far as the ratio of the relative amount of COOH groups to OH groups was concerned . the sequence could be expressed as homopolymer > block copolymer > random copolymer .

而OH基的生成速率及COOH基、OH基生成比和聚丙烯的种类有关，就COOH基和OH基生成比而言，其大小顺序为均聚物>嵌段共聚物>无规共聚物。