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- 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。
- 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。
- 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;
- Its binding speed is quickly.Its water tolerance and cold resis tance are improved remarkably. 实验所制得的改性聚醋酸乙烯酯乳液胶粘剂粘合速度较快;耐水性及耐冻性显著提高.
- 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。
- Aim To improve the water tolerance and low temperature resistance of polyvinyl acetate (PVAc) emulsion. 目的改进聚醋酸乙烯酯乳液耐水性和耐寒性差的缺点。
- 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。
- Rosin is a natural and regenerable resource which is rich and cheap.It has very good adhesion, water tolerance and fire resistance. 松香作为可再生的天然资源,来源广泛、价格低廉,同时具有良好的附着力、耐水性和耐火性强等优势。
- 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。
- Pre-esterification of China wood oil catalyzed by solid acid in fixed bed reactor was researched. 利用固定床反应器,以固体酸为催化剂催化桐油预酯化反应。
- Tests indicate that EMASOL 520B should be used at 15-45%by weight in paraffin base oil. And an excellent rust protection and hard water tolerance can be achieved. EMASOL 520B在极低的剂量比率即可获得优异的防锈效果与耐硬水性能；添加剂量比率愈高，其乳液则愈呈澄清与稳定。
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- The solid acid catalyst attracted much attention as the transesterification catalyst in recent research. 固体酸性催化剂作为酯交换的催化剂是当前的研究热点。
- The nurse diluted the drug with saline water. 护士用生理盐水把药加以稀释。
- The stupid invalid has rigidly forbidden the kid's bidding for the producing of solid acid in a humid, but splendid field with a rapid lid. 愚蠢的病人严厉地用一个快盖子禁止了小孩对在一个潮湿而华丽的地带生产固体酸的投标。
