查询词典 laurate

The method is characterized in that: mixture of macromolecular dihydric alcohol and a dihydroxybutyl-terminated polydimethylsiloxane is dehydrated, added with diisocyanate for reaction, then added with a bis propionic acid, a dihydric alcohol chain extender and a catalyst - dibutyl tin laurate, and is diluted by acrylic ester; temperature reduction and emulsion are performed on the mixture after reaction; chain extension reaction is performed in water by a multi-amine chain extender, and siloxane modified polyurethane dispersoid which contains acrylic ester monomer is prepared; and an initiator - potassium persulphate is added into the siloxane modified polyurethane dispersoid for emulsion polymerization.

特征是先将大分子二元醇与二端羟丁基聚二甲基硅氧烷的混合液脱水后加入二异氰酸酯，反应后加入二羟甲基丙酸、二元醇扩链剂和催化剂二月桂酸二丁基锡，并用丙烯酸酯进行稀释，反应后降温乳化，用多元胺扩链剂在水中进行扩链反应，得到含有丙烯酸酯单体的硅氧烷改性聚氨酯分散体，然后再通过加入引发剂过硫酸钾进行乳液聚合。

The experimental results showed that SDS is an efficient catalyst for the synthesis of phytosterol laurate.

SDS是催化合成植物甾醇月桂酸酯的高效催化剂。

Objective: To study effect of Laurate alcohol ester phenylacetate as precursor on thallus itself and fermentation unit in penicillin fermentation process.

目的：研究苯乙酸月桂醇酯作为前体对青霉素发酵过程中菌体本身和发酵单位的影响。

In this research, liposoluble chlorogenic laurate was synthesized by acylation with lauroyl chloride in the presence of triethylamine in non-water phase.

本研究对CGA进行了分子修饰，即在非水相中，以三乙胺为催化剂，对其进行月桂酰氯酰化，制备了脂溶性的绿原酸月桂酸酯。

These products are made by the transesterification of lauryl alcohol and methyl laurate, stearyl alcohol and methyl palmitate and stearyl alcohol and methyl behenate.

这些产品是通过十二醇和戊酮酸甲酯、硬脂醇和棕榈酸甲酯、硬脂醇和苯甲酸甲酯的脂交换反应得来。

Objective: To study the curative effect and influence of serum IL-2 using riboflavine laurate on patients with recurrent oral ulcers.

目的：观察长效核黄素治疗复发性口腔溃疡的效果及对血清白细胞介素-2(IL-2)水平的影响。

Objective To establish an RP-HPLC method for the determination of cucurbitacin B laurate in nanoemulsions.

目的 建立测定葫芦素B月桂酸酯纳米乳剂中药物含量的方法。

This article studies the synthesis of polyoxyethylene lauryl ether using various calcium carboxylates and calcium laurate as catalyst.

研究了以不同的羧酸钙和月桂醇钙为催化剂的月桂醇聚氯乙烯醚A_(12POE的合成，并研究了以上述钙化合物为主催化剂的复合催化剂中一些酸性助催化剂对反应的影响。

In the presence of laurate inhibitor, positive excess charges would be carried on both stainless steel and carbon steel.

在加有月桂酸盐缓蚀剂的饱和CO_2的含氯离子介质中，不锈钢和碳钢表面均带有过剩正电荷。

The results showed that the antioxidation capacity of D-isoascorbyl laurate was stronger than that of the other tested amtioxidants when the added concentration was the same.

将纯化后的异V月桂酸酯添加到茶籽油中，进行强氧化试验，结果表明异V月桂酸酯是一种良好的油溶性抗氧化剂。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。