羧基

Removal of a carboxyl group from a chemical compound, usually with hydrogen replacing it.

脱羧作用从一化合物中脱去羧基，通常是用氢来替换

The effects of the length of alkyl-chain,the polar group and the number of carboxyl group on rust-inhibiting properties and solubility were investigated in systematically.

合成并研究了水溶性有机羧酸醇铵盐类防锈剂，系统地考察了烷链的长度、极性基团、羧基的个数对防锈性能和溶解度的影响。

This dissertation divides into seven chapters and the main contents and conclusions are listed as following:1. Three series binuclear lanthanide carboxylate coordination polymers 1～7 have been synthesized under hydrothermal conditions by altering the length of carbon chains between carboxyl group and phenyl ring on ligands, which are isophthalic acid, 1,3-phenylenediacetic acid and 1,3-phenoxydiacetic acid, and lanthanide ions such as Pr~(3+), Eu~(3+)and Ho~(3+).

论文共分七章，主要研究内容和结论如下：1、通过改变间苯二甲酸配体的羧基和苯环之间的碳链长度，从间苯二甲酸、间苯二乙酸到间苯二氧乙酸，以及改变稀土离子半径Pr~(3+、Eu~(3+)和Ho~(3+)出发，在水热条件下制备了三个系列双核金属单元的稀土羧酸二维配位聚合物1～7。

Agmatine is a primary amine formed by the decarboxylation of L- Arginine by the enzyme L-arginine decarboxylase ...

胍丁胺是精氨酸在左旋精氨酸脱羧酶催化下脱羧基的产物，是咪唑啉受体的内源性配体。

Dichlo-5- carboxylic acid Rhodamine is a kind of bright flurescent using xanthene as scaffold, whose aryl-H was substituted with a variety of groups. Compared with any other rhodamine, they can increase or decrese emissive absorbance in most limitation.

4，7，-二氯-5(和6)-羧酸罗丹明荧光染料是一种带有羧基官能团的荧光染料，作为一种特殊的抗体染色剂，在生物，医药方面具有广泛的应用，能标记DNA和蛋白质等大分子，这些性能被广泛应用于DNA分离和定序的研究中。

Any of several esters, other than the ethyl ester, of carbamic acid .

脱羧酶酶的一种，可水解羧基酸

Many natural resins exist which contain carboxylic acid such as carboxy celluloses and proteins containing glutamic acid.

许多天然树脂存在，包含如羧基纤维素和蛋白质，含有谷氨酸羧酸。

The results showed that a violet phosphine coordinated cobalt salt,(C10H21COO)2Co…(PBu3)n, was first formed as the solution of cobaltous naphthenate.

由于羧酸和钴-膦羧基络合物可以构成可逆循环反应，因而阻止了催化剂的分解。

The distribution of carboxyl groups in latex particles has been investigated by conductometric titration.

与羧酸单体共聚时，当60%~80%的羧基分布于粒子表面时，乳液冻融稳定性良好。

Any of various enzymes that hydrolize the carboxyl radical.

脱羧酶酶的一种，可水解羧基酸

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。