采用缩合、季碱化及酯化反应研制了一种“178”碱性锌酸盐镀锌光亮剂。
A called "178" brightening agent for alkaline zincate bath was prepared by condensation, quaternization.
以高氯酸锌为催化剂，环氧乙烷和低碳醇反应生成窄分子量分布的乙二醇单低碳醇醚，确定了适宜的工艺条件。
Reaction of lower primary alcohol and ethylene oxide was studied by zinc perchlorate as catalyst, and the products are narrow distributed. The suitable process conditions have been established.
研究了以盐酸和异丙醇为原料，氯化锌为催化剂合成氯代异丙烷的工艺条件，并对反应动力学过程进行了分析。
The reaction conditions and reaction mechanism were studied on synthesis of isopropyl chloride from isopropanol and hydrochloric acid catalyzed by zinc chloride.
以水合醋酸锌和水合肼为反应物，在不使用任何表面活性剂的条件下，采用一种简单温和的液相法制备了氧化锌纳米棒束。
ZnO nanorod bundles were synthesized by employing zinc acetate dihydrate and hydrazine hydrate as reactants via a simple mild solution method without using any surfactant.
在自制的固定床反应器上研究了铁酸锌脱硫剂的硫化和再生性能。
The properties of zinc ferrite desulfurizer during desulfurization and regeneration were investigated in a fixed-bed reactor.
前言：采用缩合、季碱化及酯化反应研制了一种“178”碱性锌酸盐镀锌光亮剂。对使用该光亮剂镀锌的工艺条件，镀液性能和镀层性能进行了较为全面的考察。
A called "178" brightening agent for alkaline zincate bath was prepared by condensation, quaternization. The process conditions, properties of the bath and the deposit were also investigated.
从催化剂效率和成本的综合因素考虑，对比传统的催化剂氧化锌，本文提出了使用硫酸促进的氧化物固体超强酸作为合成反应的催化剂。
By contrast the traditional zinc oxide catalyst and from the point of preparation cost, we decide use sulfuric acid activated solid superacid as synthesis catalyst.
关于手性配体催化二烷基锌一羰基的不对称加成生成光活性醇的反应，从催化剂、不对称催化机理与自催化过程、手性放大等方面进行了概述，参考文献50篇。
The title reaction is reviewed with 50 references, the catalysts, the mechanism of asymmetric catalysis, the self-catalyzed process and the chiral amplification phenomenon are discussed.
针对实验中锌盐具有良好的活性，分别优化了以乙酸锌、硬脂酸锌、河北工业大学硕士学位论文一丙酸锌和三甲基乙酸锌为催化剂的反应条件。
For zinc salts having better activity to the reaction, the reaction condition was optimized using zinc acetate, zinc stearate, zinc propionate and zinc trimethylacetate as catalyst.
本文考察了不同碱比和表面活性剂对氧化锌晶体生长的影响，研究和讨论了氧化锌在水热反应中的生长机理。
For investigated crystal growth mechanism, the ZnO nanocrystal syntheses by different base ratio and surfactant have been conducted in hydrothermal process.
选用氨水溶液代替醋酸作为新型催化剂用于硫磷双辛基碱性锌盐（T203）的皂化反应。
Hartshorn(NH_(4)OH) was used as a new catalyst instead of acetic acid in the saponification reaction of base zinc salt of dioctyl thiophosphate (T203).
选择乙二醇锑以及至少一种锰、锌、钴、铅等金属醋酸盐共同组成高效聚酯催化剂体系，研究其对缩聚反应的催化作用。
A high-activity catalyst system for polyester consisted of Sb 2(EG) 3 and at least one kind of metal acetate catalyst of manganese, zinc, cobalt or lead.
以溴化锌为催化剂，在无溶剂条件下实现了醇与苯甲酸酐的酰化反应，部分产物经NMR和IR表征。
Acetylation between alcohol and benzoyl oxide was carried out using ZnBr_2 as a Lewis acid catalyst in solvent-free condition. Some structures were characterized by NMR and IR.
以溴化锌为催化剂，在无溶剂条件下实现了醇与苯甲酸酐的酰化反应，部分产物经NMR和IR表征。
Acetylation between alcohol and benzoyl oxide was carried out using ZnBr_2 as a Lewis acid catalyst in solvent-free condition. Some structures were characterized by NMR and IR.
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