二是催化水合反应时催化剂带来的杂质；
The second comes from the catalyst when catalytic hydrate reaction happens;
缩合物的酸催化水合后的水解反应在保护剂存在下进行，羟基香茅醛的产率达87.7%。
After acid catalytic dehydration the condensate subsequent hydrolysis was proceeded in the existence of protective agent, the yield of hydroxycitronellal came up to 87.7%.
采用活性膨润土为催化剂、催化水合异龙脑脱氢后处理反应，除去茴香醇类物质和其他副产物。
The post-treatment of dehydrogenating hydrated exo-2-camphanol catalyzed by active bentonite is studied, and the anisalcohol analogues and other by-products are removed from reactants.
综述了由环氧乙烷制乙二醇、环氧乙烷经碳酸乙烯酯制乙二醇、环氧乙烷催化水合制乙二醇及以合成气制乙二醇研究进展。
Latest advances in preparation of ethylene glycol(EG) were reviewed, including preparation of EG via catalytic hydration from ethylene oxide(EO) and ethylene carbonate(EC), as well as via syngas.
同时，针对NY均相催化体系设计的环氧乙烷吸收反应流程，将环氧乙烷的吸收和反应有机的结合在一起，这将大大缩短催化水合法的工艺流程。
Meanwhile, process of reactive absorption designed according to NY homogeneous catalytic system organically combined absorption with reaction, which may obviously shorten the process flow.
目前，以镍和铜为代表的骨架催化剂已经成功的应用于加氢、脱氢、水合等工业生产领域。
So far, several kind of skeletal catalysts especially Ni, Cu and Co, have been widely applied in industrial processes like hydrogenation, dehydrogenation and hydration.
用所得的胶体铜催化丙烯腈水合制备丙烯酰胺具有很高的活性。
The colloidal copper is a highly active catalyst for the hydration of acrylonitrile to produce acrylamide.
胶体铜催化丙烯腈水合制备丙烯酰胺反应的突出催化特征是高选择性。
The special characters of copper colloidal catalyst is the high selectivity in the reaction of hydration of acrylonitrile to acrylamide.
以十二水合硫酸铁铵为催化剂合成乙酸酯。
Acetates were synthesized with ammonium ferric sulfate as catalyst.
研究了以胶体铜为催化剂，丙烯腈水合制丙烯酰胺反应动力学。
The kinetics of acrylonitrile hydration to produce acrylamide was studied under the colloidal copper catalyst.
利用氯化铁水合物为催化剂，从乙二醇和冰醋酸制备了二乙酸乙二醇酯，在最佳条件下其收率达92%。
Ethylene glycol diacetate was synthesized from ethylene glycol and acetic acid with ferric chloride hydrate as catalyst. The yield of ester was 92% under the optimum condition.
介绍了过氧化氢法生产水合肼过程中中间体酮连氮合成用催化剂的研究进展。
Research progresses of catalysts for synthesizing ketazine intermediate in the production process of hydrazine hydrate by method of hydrogen peroxide are introduced.
碳酸酐酶是生物体中普遍存在的一种金属酶，能催化CO2可逆的水合反应，微生物是碳酸酐酶的重要来源之一。
Carbonic anhydrase is a ubiquitous metal enzyme existed in organism which can catalyze the reversible hydration reaction of CO2. Microorganism is an important source of carbonic anhydrase.
采用一水合硫酸氢钠作为催化剂，催化己二酸生产副产物——混合二元酸与甲醇反应合成混合二元酸二甲酯。
Mixed dibasic acid dimethyl ester was synthesized from methanol and mixed dibasic acid, the byproduct of adipic acid, using sodium sulfate monohydrate as catalyst.
综述了三氧化钼及其水合物在用作锂电池阴极材料、电化学显色材料和电催化材料方面的研究进展。
Recent progress in the research on molybdenum trioxide and its hydrates used as lithium cell cathodic materials, electrochromic materials and electrocatalytic materials is reviewed in this paper.
树脂直接水合法是以固体酸性阳离子交换树脂作催化剂，以丁烯在超临界状态下与水反应生成仲丁醇。
Resin direct hydration method is the procedure that butylenes which is in super-critical status reacts with water to produce secondary butyl alcohol with the catalyst of acid cation exchange resin.
综述了还原芳香族硝基化合物制备芳胺的主要方法，包括催化加氢法、金属还原法、水合肼还原法、电化学还原法等。
Four preparation methods for aromatic amine were reviewed in the paper: reduction of metals, catalytic hydrogenation reduction, hydration hydrazine reduction and electro-chemical reduction.
以乙酸和环己醇为原料，六水合三氯化铝为催化剂催化合成了乙酸环己酯。
Cyclohexyl acetate was synthesized from acetic acid and cyclohexanol catalyzed by aluminum chloride hexahydrate.
报道了以硫酸铁水合物作催化剂合成乙酸酯的研究结果，并讨论了该酯化反应的最佳条件。
The hydrated ferric sulfate was used as a catalyst for esterification of alcohol with glacial acetic acid and discussed the best condition in reaction of esterification.
以含磷、氮、氧和硫元素的化合物为配体，分别与三氯化铑水合物形成配位催化剂，并以此对NBR进行加氢。
Various phosphorous, nitrogen, oxygen, and sulfur compounds were used as ligands on rhodium chloride to form homogeneous catalysts for NBR hydrogenation.
研究了胶体铜催化丙烯腈水合制丙烯酰胺的高选择性与活性中心结构的关系。
The relationship between the high selectivity of catalysis and the structure of active centre of copper colloidal catalyst in selective hydration of acrylonitrile to acrylamide was studied.
该材料不需要经过再次成型阶段，活化过程同时去除PS模板，再水合处理后，产物可直接用于催化或者分离领域。
PS templates are removed in the activation process; and the product can be directly applied in the field of catalysis or separation after hydration processing.
研究了在硫酸铁水合物催化下，不同叔醇脱水成烯反应，结果表明该催化剂对叔醇脱水成烯的反应有较好的催化效果，生成烯烃的产率为85～97％。
About forty alkenes were prepared by dehydration of the corresponding alcohols in the presence of the ferric sulfate hydrate as catalyst. The yields of these alkenes were from 85% to 97%.
用硫酸锆、硫酸氢钾分别代替浓硫酸，催化环己醇脱水合成了环己烯，主要考察了催化剂用量、分馏反应时间对产物收率的影响。
Cyclohexene was synthesized by dehydration of cyclohexanol using zirconium sulfate or potassium hydro - gen sulfate as catalyst instead of concentrated sulfuric acid.
碳酸酐酶是催化二氧化碳的可逆水合反应的一种含锌金属酶。
Carbonic anhydrase(CA; EC 4.2.1.1)is a zinc-containing metalloenzyme that catalyzes the reversible conversion of CO_2 to bicarbonate.
采用气相色谱、重量法、低温氮吸附等分析方法，对水合催化剂(MH)失活的原因进行了研究。
The deactivation of ZSM-5 zeolite catalyst (MH) for cyclohexene hydration to produce cyclohexanol was investigated by gas chromatography, gravimetry analysis and low-temperature nitrogen adsorption.
在有无硫酸铁水合物催化剂的情况下，分别测定了2-氯乙酸与六种伯醇的酯化反应速率常数；
The rate constants of esterification of 2-chloroacetic acid with 6 species of the primary alcohols were determined in the presence of and in the absence of catalyst, the hydrate of ferric sulphate.
考察了环己烯水合反应工艺中，反应温度、催化剂浓度、搅拌器转速、反应时间以及负荷对环己烯水合反应的影响。
Reaction temperature, catalyst concentration, agitator speed and reaction time as well as reaction load were studied as affecting factors on cyclohexene hydration reaction.
考察了环己烯水合反应工艺中，反应温度、催化剂浓度、搅拌器转速、反应时间以及负荷对环己烯水合反应的影响。
Reaction temperature, catalyst concentration, agitator speed and reaction time as well as reaction load were studied as affecting factors on cyclohexene hydration reaction.
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