查询词典 ionic structure

The N-alkylation of N-monosubstituted sulfonamide s with alkyl halides promoted by KF using ionic liquids as reaction media was reported in this paper.

报道了KF作用下离子液体介质中N-单取代磺酰胺和卤代烃的N-烷基化反应，考察了4种不同结构的离子液体BF4、BF4和PF6对反应的影响。

Based on a survey of the mechanism for reactive dyes containing β-hy-droxy-ethyl sulfonyl sulfuric ester on the cellulosic fibre, and the structures of non-ionic nature of disperse dyes , a new range of reactive disperse dyes for polyester cotton blends is proposed.

本文综合分析了含β-羟乙基碸硫酸酯基活性染料的染棉机理和聚酯纤维用非离子型分散染料的结构特点，提出了一类用于涤棉混纺织物的含β-羟乙基碸硫酸酯基活性分散染料。

Environmental degradation can be non-ionic surface-active agent addition can greatly enhance the activity of all kinds of useful material can be quickly absorbed by plants.

非离子环保可降解型的表面活性剂的加入，可大大增强各种有益物质的活性，可快速被植物吸收。

The main products are the man-made natural/synthesis sandalwood series products , non-ionic surface-active agent series products and each kind of clients-ordered medicine intermediate series products.

主要产品有人造天然/合成檀香系列产品、非离子表面活性剂系列以及根据客户要求定点生产的各种医药中间体系列。

Firstly,we studied the synthesization and spectral analysis of the ionic liquids.

首先，优化了离子液体中间体Cl的合成工艺路线并对PF_6离子液体的结构进行光谱表征。

One of the simplest and best known kinds of crystal is the ionic salt, of which a typical example is sodium chloride, or ordinary table salt.

在各种最简单和最常见的晶体中，离子盐是其中一例，它典型的实例就是氯化钠，或普通的食盐。

In this method,β-cyclodextrin epichlorohydrin polymer of 60-80 mesh, which has less background absorbance in ultraviolet and visible region compared to other ion-exchanger resins, was used to support direct adsorption of tartrazine from aqueous solutions to form a solid complex (tartrazine-β-CDP complex). The effects of pH, temperature, time and ionic strength on the β-CDP including tartrazine were determined.

在这个方法中，所利用的β-环糊精聚合物（60-80目）和离子交换树脂相比，在紫外和可见光区吸收很小，其作为固体相的支持体，并用於从样品溶液中分离收集柠檬黄，然后在435nm波长下直接用於测定。

The formulations contain a nonionic polymer, a nonionic surfactant and an ionic tonicity agent, but are physically stable and easily re-suspended.

该制剂包含非离子聚合物、非离子表面活性剂和离子性补强剂，但是物理稳定的且易于再分散。

Glycerol triacetate was synthesized using several acidic functional ionic liquids as the catalysts.

将几种酸功能化离子液体应用于三醋酸甘油酯的合成反应中，筛选出了一种催化效果好又可以重复使用的离子液体[HSO3-pmim][HSO4]。

Keywords glycerol triacetate;ionic liquid catalyst;esterification

三醋酸甘油酯；离子液体催化剂；酯化

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。