查询词典 ionic structure

Molecular sieve and solid acid of SO~(2-)_4/ZrO_2, ionic liquids, and rare earth perfluoro alkyl sulfosalts to formylate alkylbenzene by carbon monoxide to synthesize alkylbenzaldehyde was introduced.

介绍HCl-AlCl3、HF-BF3和CF3SO3H-SbF5等B-L复合酸，分子筛和固体酸，离子液体以及稀土全氟烷基磺酸盐作催化剂在烷基苯用CO甲酰化合成相应烷基苯甲醛工艺中的应用进展。

Result: General rate of side-effect of application ionic-contrast is 5.04%; Generant rate of side-effect of application non-ioni...

合理选择造影剂、严格筛选高危人群和预防性给药以及完备的抢救措施能明显降低造影剂的副反应率和致死率。

There is synergistic interaction maximum while the mixed ratio of KGM and Guran gum is 60/40,the total polysaccharide concentration 1%, TP 80℃ and salt ionic (Ca2+)concentration 0.1mol/L.Interraction machanism between molecules and molecules of two polysaccharide were investigated by FT-IR .

当总糖浓度为1%，魔芋胶与瓜尔豆胶的共混比例为60/40 ，制备温度为80℃，体系盐离子(Ca2+)浓度为0.1mol/L 时可得到协同相互作用的最大值，从FT-IR 谱图上分析了两种多糖分子间相互作用的机理。

ABSTRACT In this paper, homonuclear rare gas ionic excimer-Ar〓 was studied and promoted both theoretically and experimentally.

本文对同核稀有气体Ar〓离子准分子进行了深入的理论和实验研究，取得了新进展。

Potential energy curve is the base and start point to discuss transitions between different electronic states of homonuclear ionic excimer.

首次定量地说明了离子准分子获得短波长激光的低激发阈特性。

Lots of investigators' interests, in the problem of an electron bound to a hydrogenic impurity and interacting with the longitudinal optical phonon field of an ionic crystal or a polar semiconductor, have been main- tained over years.

采用线性组合算符和么正变换方法研究强弱耦合情形下，库仑场中束缚光学极化子的基态能量、振动频率和平均声子数与温度的关系。

The comparisons of electron ionization energies, ionic total energies and electron transition energies calculated respectively by More, Faussurier and the relativistic screened hydrogenic models, have been performed and the precisions of these physical quantities verify the preponderance of the relativistic screened model based on the analytical potentials.

与More和Faussurier屏蔽类氢模型比较，在电子电离能、离子总能量和电子跃迁能量的计算结果精度方面，基于解析势的相对论性屏蔽类氢模型占有优势。

Cloud point extraction is related to the conventional liquid-liquid extraction. CPE based on the solubility and cloud point phenomenon of aqueous solutions of surfactants, upon alteration of the experimental conditions such as pH value of solution, ionic strength, temperature, and the solution is separated into phases, which results in the separation of hydrophobe and hydrophile.

浊点萃取(Cloud-Point Extraction， CPE)是近年出现的一种新兴的液-液萃取技术，它以表面活性剂胶束水溶液的溶解性和浊点现象为基础，通过改变实验参数，如溶液的pH值、离子强度、温度等引发相分离，从而将疏水性物质与亲水性物质分离。

A lot of experiment data show hydrophilic imidazolium-based ionic liquids Br have good EDS performance and the hydroscopicity has little effect on EDS.

从大量数据说明亲水性咪唑类离子液体Br具有较好的脱硫效果，且在较长的时间里其吸湿性对脱硫影响不大，故在工业上有较好的应用前景。

Objective: To study the membrane ionic basis of action potential prolongation of hypertrophied left ventricular myocytes in spontaneously hypertensive rats.

李勋目的：研究自发性高血压大鼠左心室肌细胞动作电位时程延长的膜离子流基础。

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。