A process of reacting propylene oxide with methanol using basic catalyst ta is investigated.
研究了甲醇与环氧丙烷在碱性催化剂TA存在下均相合成丙二醇甲醚的过程。
A phenolic resin was synthesized from bisphenol a and aqueous formaldehyde in the presence of basic catalyst.
以双酚a，甲醛水溶液为原料，在碱性催化剂的作用下，合成双酚a型甲阶酚醛树脂。
Presents the basic principle, technical features and catalyst of no on line furnace sulfur recovery process.
介绍了无在线炉硫回收工艺的基本原理、技术特点和催化剂使用情况。
For measuring abrasion of catalyst particles, three basic attrition test apparatus are used.
为了测定催化剂颗粒的磨损，可使用三种基本磨损测试装置。
The paper introduces the basic components of an additive liquid silicone impregnating varnish, the catalyst, the inhibitor and its curing mechanism.
介绍了加成型有机硅浸渍漆的基本组成、催化剂、阻聚剂及其固化机理，并综述了国内外加成型液体有机硅浸渍漆的应用情况。
The supported nickel catalyst was prepared in which basic oxides and transition metal oxides were added as promoter, and all the oxides in amount were less than 30% of the mass of catalyst.
制备了负载型镍催化剂，并加入碱性和过渡金属氧化物助剂，各种氧化物总负载量低于催化剂质量的30 %。
Respectively using barium hydroxide and a basic anion exchanger as a catalyst, 2, 2-bis (hydroxymethyl) butyraldehyde is prepared from the Aldol condensation of butyraldehyde with formaldehyde.
在碱性催化剂的存在下，甲醛和丁醛经羟醛缩合反应合成2,2—二羟甲基丁醛。
A new process to synthesize choline chloride by using macroporous strong basic anion-exchange resin as catalyst and chloroethanol and trimethylamine as raw materials is introduced.
研究了以大孔强碱阴离子交换树脂为催化剂，氯乙醇和三甲胺为原料，合成氯化胆碱的新工艺。
It was found that loss of exchange capacity of the resin catalyst caused by basic nitrates was the main cause behind the deactivation.
结果表明，保护床催化剂失活的主要原因是原料中的有机碱性氮化物引起的树脂催化剂交换容量的损失。
The forming expanding agent is a mixture of basic cupric zinc carbonate and aluminum hydroxide, and the copper-based catalyst comprises oxides of cupric, zinc and aluminous.
所述成型扩孔剂为碱式碳酸铜锌和氢氧化铝的混合物，所述铜基催化剂包含铜、锌、铝的氧化物。
The etherification process of FCC light gasoline meets the requirement of producing clean gasoline, while the basic nitrogen compounds can deactivate the etherification catalyst-sulfonic acid resin.
催化裂化轻汽油醚化工艺适应了生产清洁汽油的要求，轻汽油中含有的少量碱性氮化物中和阳离子交换树脂催化剂的酸性，造成催化剂失活。
The basic material, additive and promoter, catalyst, vulcanization mechanism, and application of the addition type liquid silicone rubber were summarized in this paper.
简要介绍了加成型液体硅橡胶的卓越优点，叙述了近年来开发的几种新型加成型液体硅橡胶性能及其应用。
The basic material, additive and promoter, catalyst, vulcanization mechanism, and application of the addition type liquid silicone rubber were summarized in this paper.
简要介绍了加成型液体硅橡胶的卓越优点，叙述了近年来开发的几种新型加成型液体硅橡胶性能及其应用。
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