您要查找的是不是:
- The synthesis methods of nipagin esters catalyzed by sulfuric acid, p- toluene sulfonic acid, ferric sul-fate hydrate, ferric chloride hexahydrate, aluminium chloride hexahydrate, rare earth compound, solid super acid and heteropoly acid were reviewed. 评述了采用硫酸、甲苯磺酸、合硫酸铁、水合三氯化铁、水合三氯化铝、土化合物、体超强酸和杂多酸等催化剂催化合成对羟基苯甲酸酯的方法。
- The synthesis of 1,4 dioxane from diethylene glycol using p toluene sulphonic acid as a catalyst was discussed. 利用二甘醇为原料,以对甲苯磺酸为催化剂合成了1,4-二氧六环。
- In the second step,the yield of p toluene sulfonhydrazide using tetrahydrofuran as solvent is higher than that of using benzene as solvent. 用四氢呋喃做溶剂比用苯做溶剂可以得到较高产率的对甲基苯磺酰肼中间体;
- Synthesis of perfluoroalkylethylacrylate from polyfluoroalcohol and acrylic acid with p toluene sulphonic acid as catalyst was studied. 以对甲苯磺酸为催化剂,多氟醇和丙烯酸为原料合成全氟烷基乙基丙烯酸酯。
- Keywords sulphur trioxide;sulphonation;methybenzene;P - toluene sulfonic acid; 三氧化硫;磺化;甲苯;对甲苯磺酸;
- p - Toluene sulfonic acid 对甲苯磺酸
- p - toluene sulfonic 对甲苯磺酸
- Keywords dioxane;synthesis;diethylene glycol;p toluene sulphonic acid;catalyst; 二氧六环;合成;二甘醇;对甲苯磺酸;催化剂;
- sodium p-octadecyl toluene sulfonate 十八烷基甲苯磺酸钠
- Keywords isoamyl hexanoate;p toluene sulphonic acid;catalysis;synthesis; 己酸异戊酯;对甲苯磺酸;催化;合成;
- Keywords glucose pentaacetate;esterification;p toluene sulphonic acid; 葡萄糖五乙酸酯;酯化;对甲苯磺酸;
- Keywords p toluene sulphonic acid;esterification;orthogonal tests;fluorine; 对甲苯磺酸;酯化;正交试验;氟;
- Keywords butyl o nitrobenzoate;p toluene sulphonic acid;catalysis;synthesis; 邻硝基苯甲酸正丁酯;对甲苯磺酸;催化;合成;
- Di 2 ethylexyl maleate is synthesized from maleic anhydride and isooctyl alcohol using toluene p sulfonic acid as a catalyst. 以顺丁烯二酸酐和异辛醇为原料,用对甲苯磺酸作催化剂合成顺丁烯二酸二异辛酯。
- p- Toluene sulfonic acid 对甲苯磺酸
- I mind my p's and q's whenever I see him. 每当我见到他我都谨慎行事。
- In English, b, p, m and w are bilabials. 英语中的b、p、m、w为双唇音。
- toluene sulfonic acid 甲苯磺酸
- AB and CD intersect at (the point) P. AB线和CD线在P点相交。
- The time now is 10:00 p, m, sharp. 现在的时间是晚上10点整。