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- 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 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;
- 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。
- 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。
- 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;
- Toluene is allergic. With what medicine good? 甲苯过敏了.;用什么药好?
- The "d" in "grandpa" has been lost by assimilation to "p". "grandpa"中的"d"因受"p"的同化而不发音。
- Thermometers are filled with fluids such as toluene or alcohol. 温度计装有甲苯或酒精。
- The diisocyanates used have included toluene diisocyarate. 所用的二异氰酸酯包括甲苯二异氰酸酯。
- The light now shining on P is called incident ray. 射到P点的光叫做入射光线。
- Poly(isodecyl methacrylate), solution in toluene, average ... 询价 聚(甲基丙烯酸异癸酯);
- The content of releasing toluene and xylene gas in the air. 释放出的甲苯、二甲苯气体在空气中的浓度。