查询词典 carboxyl

Treat a chemical compound with carboxyl or ''.

用羟基或羧基酸化合物进行处理。

The preparation of oxidized starch with high carboxyl by sodium hypochlorite and its application in scour assistant washing was studied.

研究了用次氯酸钠氧化玉米淀粉制备高羧基含量的氧化淀粉并探索其在洗涤剂助洗方面的应用。

It was suggested that the solubility of cotton cellulose in Cl containing carboxyl decreased because of its intermolecular and intramolecular hydrogen bonds.

研究结果表明，含羧基的离子液体会由于分子间氢键的缔合作用降低其对纤维素的溶解性。

Usually the MWNT Was ultrasonic in different acids for 3 to 5 hours, and theproper oxidized carboxyl MWNT can be obtained.

一般超声3～5 h，采用不同强度的酸可以获得不同氧化程度的羧基化MWNT。

The effect of reaction conditions such as the initiator concentration,reaction temperature and reaction time on the percent content of carboxyl groups of the derivative was investigated.

淀粉是一种可降解又可再生的天然多糖高分子，其开发和应用日益引起人们的高度重视[1~6]。

An anhydride formed by the removal of a water molecule from the hydroxyl and carboxyl radicals of hydroxy acids.

蒙大纳的干花头制成的药酊，用以减轻挫伤和扭伤引起的疼痛和炎症

Carboxylic acid is widely found in nature, a large class of organic compounds to benzene containing one or more carboxyl for its features.

羧酸是广泛存在于自然界的一大类有机化合物，以含一个或多个羧苯为其特征。

The effect of reaction conditions such as the initiator concentration, reaction temperature and reaction time on the percent content of carboxyl groups of the derivative was investigated.

探讨了引发剂浓度、反应温度和反应时间对淀粉羧化程度的影响。

According to the properties of the MWNT used in this study, the relationbetween the degree of carboxyl and oxidation time or acids strength was systematicallystudied.

针对实验中使用的MWNT，系统的研究了酸强度和氧化时间对于MWNT的羧基化程度的影响。

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。

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。