查询词典 tertiary amine

Herein, using grafting strategy we have developed a new kind of sulfamide-amine alcohol ligands by grafting a activator to the traditional aminoalcohols, which led to more rigid tridentate coordination model and benefit to the control of chiral surrounding.

本文提出一种嫁接策略设计新的手性配体，即在传统的氨醇配体上嫁接上一个活化剂就可以得到一类新型的手性磺酰胺-氨醇配体。

Producing glyphosate by alkyl esterification method needs a large amount of triethyl amine s which are used as catalysts.

烷基酯法生产草甘膦需要消耗大量的三乙胺作催化剂。

A stable self-emulsified system was obtained after neutralization of triethyl amine.

经三乙胺中和后可以得到稳定的自乳化体系。

The influence of triethyl amine on emulsion properties and variation of phase behavior is studied through particle size analysis, viscosity and mechanical performance determination.

通过粒径分析、黏度测定、力学测试等手段，研究了三乙胺对乳液性能和相行为变化等的影响。

Catalyzed by triethyl amine , vitamin E succinate was synthesized with vitamin E and succin-ic anhydride.

以三乙胺为催化剂、维生素E和琥珀酸酐为原料合成维生素E琥珀酸单酯。

Directed against disadvantages existing in the conventional process and an improved process on the basis of test, a continuous recovery process of triethyl amine in producing glyphosate was proposed, realizing continuous neutralization and rectification of mother liquor, and was applied successfully in recovery of triethyl amines in producing 5 000 t/a of glyphosate for Fujian Sannong Group Co.

针对早期的三乙胺回收工艺和在小试基础上改进的回收工艺的缺点，提出了一种三乙胺连续回收工艺，实现了母液连续中和分层及精馏，并将此工艺成功地应用于福建三农集团公司5 000 t/a草甘膦生产过程的三乙胺回收中。关键词：草甘膦；三乙胺；重力层析器

The results show that Irgacure1000 is preferable in the system and the rate is highest when the amount of Irgacure1000 is 3%;the drying condition has a considerable impact on the rate ; it decreases with the increase in neutralization degree;when NaOH is used as neuralization agent,the rate at the later period is higher than that when triethyl amine used; the structure of polymer has a certain effect on the rate and it accelerates with the increase in the ratio of PBA/DMPA and HEAD/DMPA.

结果表明，本体系优选光引发剂Irgacure1000的质量分数为3%时固化速度最快；干燥条件对光固化速度有很大的影响；随着中和度的提高，固化速度下降；用NaOH作为中和剂时，后期固化速度快于用三乙胺；聚合物结构对固化速度有一定的影响，随着PBA/DMPA和HEA/DMPA比例的提高，固化速度加快。

The title compounds were synthesized by the reaction of symmetric N , N '-diarylthioureas with hexylamine in the presence of triethyl amine,and the intermediate N , N '-diarylthioureas were formed by the direct reaction of carbon disulfide and arylamines.

首先采用二硫化碳与胺直接反应得到对称的N， N'-二芳基硫脲，然后在三乙胺存在下与环己胺反应得到1-环己基-3-芳基硫脲。产物结构经核磁共振和质谱分析确证

Its main ingredient is "trimeric amine hydrogen", the English called "melanine".

其主要成份是&三聚氢胺&，其英文名为&melanine&）。

Triphenylmethyl chloride can react selectively with the 30-hydroxil group of glycyrrhetol under the catalyzing effects of three ethyl amine and dimethyl amino-pyridine.This condition of the reaction has an important value for the selective protection of 30-hydroxil group of glycyrrhetol.

三苯氯甲烷在三乙胺和二甲氨基吡啶等碱性催化下与甘草萜醇的C30-位羟基进行选择性缩合反应，此反应产率较与C3-位羟基化反应的要高，此种反应条件在甘草萜醇C30-位羟基的选择性保护中具有重要的价值。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。