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- p - toluene sulphonie acid 对甲苯磺酸
- 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。
- 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。
- 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;
- 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;
- 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;
- Keywords RHPLC separation;Glyphosate;Organic phosphonic acid;p Toluene sulfonyl chloride;Derivation; 高效液相色谱;草甘膦;有机膦酸;对甲基苯磺酰氯;衍生;
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- 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。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗?那是个严峻的考验。
- 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。
- p-toluene sulphonie acid 对甲苯磺酸