• A process of reacting propylene oxide with methanol using basic catalyst ta is investigated.

    研究甲醇环氧丙烷碱性催化剂TA存在下均相合成丙二醇甲醚过程

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  • NAGA is produced by the amidation of N-alkyl amine and fatty acid ester in the presence of basic catalyst.

    烷基萄脂肪酸在碱催化下反应生成naga

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  • A phenolic resin was synthesized from bisphenol a and aqueous formaldehyde in the presence of basic catalyst.

    双酚a,甲醛水溶液为原料,碱性催化剂的作用下,合成a型甲阶酚醛树脂

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  • Presents the basic principle, technical features and catalyst of no on line furnace sulfur recovery process.

    介绍了无在线回收工艺基本原理技术特点催化剂使用情况。

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  • For measuring abrasion of catalyst particles, three basic attrition test apparatus are used.

    为了测定催化剂颗粒磨损使用三种基本磨损测试装置

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  • The paper introduces the basic components of an additive liquid silicone impregnating varnish, the catalyst, the inhibitor and its curing mechanism.

    介绍成型有机浸渍基本组成催化剂聚剂及其固化机理,并综述国内外加成型液体有机硅浸渍漆的应用情况。

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  • 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.

    制备负载型催化剂加入碱性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30 %。

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  • 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.

    碱性催化剂的存在下,甲醛缩合反应合成2,2—二羟甲基丁醛。

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  • 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催化剂乙醇三甲胺为原料,合成氯化胆碱工艺

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  • 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,保护床催化剂主要原因原料中的有机碱性氮化物引起树脂催化剂交换容量的损失。

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  • 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.

    成型扩孔为碱式碳酸氢氧化铝混合物,所述催化剂包含铜、锌、氧化物

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  • 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.

    催化裂化汽油工艺适应生产清洁汽油要求,轻汽油中含有少量碱性氮化物中和阳离子交换树脂催化剂的酸性,造成催化剂活。

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  • Effects of different of reagents and its catalyst oil ratio, concentration of alkali liquid on removal of basic nitrogen were investigated.

    考察试剂碱洗浓度碱性脱除率影响

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  • The basic material, additive and promoter, catalyst, vulcanization mechanism, and application of the addition type liquid silicone rubber were summarized in this paper.

    简要介绍成型液体硅橡胶卓越优点,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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  • The basic material, additive and promoter, catalyst, vulcanization mechanism, and application of the addition type liquid silicone rubber were summarized in this paper.

    简要介绍成型液体硅橡胶卓越优点,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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