Syntheses of cinnamic esters catalyzed by solid acids such as sulphate and ion-exchanged resin were surveyed.
比较以硫酸盐和阳离子交换树脂分别为催化剂合成肉桂酸酯。
The process of dehydration for a group of metal ion-exchanged montmorillonite has been studied using DTA, TG, XRD and TPD-GC methods.
用DTA，TG，XRD以及TPD-GC等方法系统地研究了一组金属离子交换蒙脱石的脱水过程。
People have paid more attention to the graded-index optical waveguides formed by ion-exchanged for its easy fabrication and low transmission loss.
目前，已有多种成熟的工艺技术，特别是离子交换技术，可以制备低损耗的渐变型折射率波导。
A glass optical waveguide (OWG) hydrogen chloride gas sensor was fabricated by coating a thin film of CR-PVA on the surface of ion-exchanged glass OWG with spin coating.
用匀胶机将其做成薄膜固定在钾离子交换玻璃光波导表面，研制出一种光波导氯化氢气体传感器。
The catalytic oxidation ability of 13 metal ion-exchanged montmorillonites are investigated in oxidative removal of the sulfides which are the main pollutant in the moult and alkali swell waste water.
在氧化法去除含硫脱毛碱膨胀废水内主要污染物硫化物的过程中，考察了13种金属离子交换蒙脱石的催化氧化能力。
It has been found that the Ca, Mg, la ion exchanged mordenites have both high activity and high selectivity toward dimethylamine with the yield of around 55%.
发现钙、镁、镧离子交换的丝光沸石，在表现出较高活性的同时，还对二甲胺具有55%左右的高选择性。
Montmorillonite was ion exchanged with quaternary ammonium salt, which was intercalated into the crystal layers of MMT.
用长链季铵盐对蒙脱土进行离子交换反应，季铵盐嵌入到蒙脱土的层间。
Cupric ion exchanged NaY zeolite was prepared. The method to reduce cupric into cuprous exchanged zeolite was studied.
用离子交换方法制备了铜交换的分子筛，研究了将二价铜还原为一价铜的方法。
The instant invention relates to a process for removing ethene from biological sources using metal ion exchanged titanium zeolites.
本发明涉及一种使用金属离子交换的钛沸石从生物源中除去乙烯的方法。
Strong acid cross-linked ion-exchange resin was prepared. Different content of silver ion was exchanged into the resin to adsorb the iodine ion in the acetic acid.
制备了一种大孔交联的强酸型离子交换树脂，并将其负载上不同含量的银离子，制备成吸附醋酸中碘离子的吸附剂。
In the observation group, the strongly oxidated ion-water was used as the humidified water and was exchanged weekly.
观察组以强氧化离子水作为湿化液，每周更换。
In the observation group, the strongly oxidated ion-water was used as the humidified water and was exchanged weekly.
观察组以强氧化离子水作为湿化液，每周更换。
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