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- The modified titanium base solid acid used as catalyst for the synthesis of tributyl citrate from citric acid and butyl alcohol was investigated in this paper. 以改性钛基固体酸为催化剂催化合成柠檬酸三丁酯,确定了酯化优化条件。
- Carbon--based solid acid 碳基固体酸
- Structure of Modified Titanium Base Solid Acid and Catalytic Performance for the Synthesis of Tributyl Citrate 改性钛基固体酸的结构与催化合成柠檬酸三丁酯的性能研究
- Study of Esterification Reaction over Layered Surface Supported Zirconium Base Solid Acid Catalyst 新型层状表面相锆基固体酸催化酯化反应研究
- A new solid acid based on heteropolyacid has been proved to be a useful catalyst for the synthesis of dibutyl maleate. 新催化剂在顺丁烯二酸二丁酯的合成反应中显示很好的活性和温和的反应条件。
- A hard,unctuous,fat - or wax - based solid,sometimes medicated,formerly applied to the skin directly or on dressings. 蜡膏，蜡剂一种油质、油性或蜡质的坚硬固体，有时加药剂，以前常直接用皮肤上或敷于药膏上
- Based on explaining the characteristics of oxidizing film of aluminum positive pole, the author introduces the applicated progress of catalyst technology of solid acid,and point out the main problem. 在阐述铝阳极氧化膜特点的基础上,介绍了固体酸催化剂技术应用的进展情况,并指出了其中存在的主要问题。
- A hard, unctuous, fat - or wax - based solid, sometimes medicated, formerly applied to the skin directly or on dressings. 蜡膏，蜡剂一种油质、油性或蜡质的坚硬固体，有时加药剂，以前常直接用皮肤上或敷于药膏上
- It was proposed that the catalytic amination of metyl t-butyl ether by solid acid was a promising "green" process. 指出固体酸催化甲基叔丁基醚的氨化是值得开发的绿色化工技术。
- Solid acid catalyst can be substituted for sulphuric acid as esterification catalyst. 固体酸催化剂是能够代替硫酸作为酯化的催化剂。
- The solid acid showed a high catalytic activity. At 3 h reaction time, the convertion of acetic acid reached 97.7%. 该固体酸对乙酸丁醇酯化反应有很高的催化活性;催化酯化反应3h;乙酸的转化率高达97.;7%25。
- It point out th solid acid catalyst that we have atudied are all good catalyst for synthesis of diamyl meleat. 指出固体酸催化剂是催化合成马来酸二戊酯的良好催化剂。
- This paper introduces a solid acid (HY zeolite) which can replace the traditional catalysts. 选择合宜的沸石酸量和反应物投料比也对产物生成有利;
- Super solid acid can be classified into two kinds:one containing halogen,the other free of halogen. 固体超强酸可分为两类:一类含有卤素，另一类不含卤素。
- A new type of solid acid was prepared by calcination of titanium sulphate doped with lantha-num oxide. 掺杂了氧化镧的硫酸钛经高温焙烧后制得新型固体酸催化剂。
- Only this strong base solid, the contemporary agriculture ability of our country is dovish develop, society and economy just may grow quickly continuously, happiness of people life ability is perfect. 只有本强基固了 ,我国的现代农业才能稳健发展 ,社会和经济才可能持续快速发展 ,人民生活才能幸福美满。
- When possible, the panel抯 recommendations are based solidly on evidence, but where data are lacking, the panel relied on their own clinical experience and expert opinion. 当可能的时候, 嵌板抯推荐是坚硬地建立在证据上,但是数据是缺乏的哪里,嵌板信赖靠他们自己临床的经验和专家的意见。
- It was a strong, self-satisfying, determined kind of way, based solidly on a big natural foundation, but rising to a plane of genuine spiritual affinity. 那是一种强有力的、自求满足的、不肯迁就的爱，大部分是由情欲而起的，可是已经逐渐达到精神的爱的程度了。
- Terpineol was conveniently prepared by a new type solid acid catalyst without pollution. 研究了新型固体酸催化剂催化合成松油醇的新工艺。
