the univalent radical -COOH; present in and characteristic of organic acids

The changes of intrinsic viscosity and end carboxyl group content with temperature and time were studied for poly(trimethylene terephthalate)(PTT), PET and CDP.

研究了聚对苯二甲酸丙二醇酯（PTT） ，PET ，CDP在不同温度和时间下的特性粘数和端羧基含量的变化。

Any of various natural or synthetic compounds containing two or more amino acids linked by the carboxyl group of one amino acid and the amino group of another.

肽一种自然或人工的合成物，包括二个或二个以上氨基酸，通过一个氨基酸的酸基和另一个的羧基结合而成。

The carboxyl group in the hydrosol polymers has a marked catalysis for the crosslinking reaction between the latexes and amino-resins.

水溶胶聚合物中的羧基对乳液和氨基树脂之间的交联反应具有催化作用。

Selective enzymatic synthesis of drug derivatives containing carboxyl group in non-aqueous media was also developed.

论文发展了非水介质中含羧基药物衍生物的酶促选择性合成方法。

The fact that IR vibrating peaks of the carboxyl group have made a wide and split peak is explained in this paper.

解释了该类配合物的羧基红外振动峰是一宽峰且有劈裂的特点。

After being functionalized with carboxyl group by a two-step seed emulsion, the superparamagnetic polymer latexes microspheres were applied into the bio-detection and got well performance.

通过再次的种子乳液聚合法，对微球表面进行羧基功能化后，我们成功将其应用于化学发光免疫检测中，取得较好的应用结果。

The grafting mass percent of connect black is more than of furnace black because of difference in carboxyl group content.

由于表面羧基含量的差异，接触法炭黑可以获得比炉法炭黑更高的接枝率。