查询词典 cation-active

Eleven α-V-group cation-substituted toluenes (1) and acetophenones (2)were synthesized. The equilibrium acidities of these compounds were determined indimethyl sulfoxide solution by the "Overlapping Indicator Method" and the homolytic C-Hbond dissociation energies were derived from a thermodynamic cycle combining pKawith oxidation potential of carbanion.

合成了α-位有第V、Ⅵ主族元素杂正离子取代基的甲苯系列（1）和苯乙酮系列（2）共11个Ylide前体化合物，用重迭指示剂法首次测定了其在二甲亚矾溶剂中的酸性解离常数PKa，同时结合碳负离子氧化电位的测定，通过热力学循环估测了它们的气相均裂键能。

Adding chelations in solution to avoid hydrolyzing before to deal with the etched foils. There are some reasons: to avoid hydrolyzing of the cation in solution, to give facilities for the soakage to the surface of etched foils, to decrease the size of crystals.

由于复合氧化物中的阀金属元素的特殊性质，为保证处理液在工业生产中的稳定性，应尽量将阀金属阳离子单离子化，这样处理有如下好处：避免阳离子在水溶液中水解变性；便于处理液与腐蚀箔的浸润；尽量缩小晶粒尺寸。

Using 〓ryanodine binding assay, the effects of 〓 and divalent cation's chelators on ryanodine receptors of skeletal and cardiac muscle cells were investigated.

采用〓ryanodine结合的实验技术，本工作研究了锌离子和一些二价金属离子螯合剂对骨骼肌和心肌ryanodine受体的作用及其机制。

There are some complexed water molecules by cation H〓 in USY.

在USY中，阳离子络合了一定数量的水分子。

Heating at different temperatures, the quantity of the desorbed water molecules is different, and without complexed water molecules, the cation H〓 can react with o-Ps.

在不同温度烘烤下，脱去其络合水分子的数量是不同的，而脱去络合水的阳离子H〓会与o-Ps发生化学反应。

Dibutyl succinate was synthesized catalyzed by a strong acid cation exchange resin from succinic acid and n-butyl alcohol.

用强酸性阳离子交换树脂催化丁二酸和正丁醇的酯化反应，合成了丁二酸二丁酯。

Sm and Nd are separated and purified by using HIBA as an eluent through a very small volume of cation-exchange resin

该方法选用AG50W×8阳离子交换树脂，并先后采用不同的淋洗剂进行分离提纯。

In this thesis, the solution of Chinese reference materials including lithium, potassium, calcium, sodium, magnesium, was used to evaluate analytical methods applied. Lithium was enriched in different eluents (hydrochloric acid, nitric acid and mixture with ethanol or methanol) by cation exchange resin AG 50W-X8, and the optional experimental conditions were studied.

本文以锂元素标准样品和钾、钠、钙、镁元素标准样品的混合溶液为主要研究对象，采用阳离子交换树脂AG-50W-X8来分离富集锂，探索在不同淋洗介质(包括盐酸、硝酸以及与甲醇、乙醇的混合)条件下锂分离纯化的最佳介质条件。

At the same time, LOM and CMI showed significant positive correlations with cation exchange capacity, exchangeable potassium, exchangeable calcium, total base and microelement, etc.. However, total organic matter was insignificantly related to those chemical indexes.

同时，LOM及CMI与土壤阳离子交换量、交换性钾、交换性钙、盐基总量、微量元素等呈显著或极显著正相关，但总有机质与上述土壤化学指标相关性差。

The air will be beneficial to the human body due to electrostatic and anion adsorption on the screen surface, which allows the computer operator in the cation-anion imbalance in the environment and easy to cause headaches, fatigue, respiratory disease, faces a rash; Sweden and Norway, the use of computer experts is likely to increase in skin diseases, studies have been made, but is still unable to confirm the selection of skin inflammation and is directly related to the use of computers.

空气中有益于人体的阴离子会因静电而吸附在屏幕表面，使得电脑操作人员所处环境中阴阳离子不平衡，易引起头痛、疲劳、呼吸器官疾病、脸部出红疹等；瑞典和挪威专家对电脑的使用是否可能使皮肤病增加，曾作了相关的研究，但目前仍无法证实皮肤炎症的产生与使用电脑直接相关。

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。