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- 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。
- 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。
- 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。
- 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。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- She dropped acid in high school. 她高中时代服迷幻药。
- The metal is fretted with the acid. 金属被酸腐蚀。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- The worker's overalls were badly burned by acid. 这位工人的工作装被酸腐蚀得很厉害。
- Toluene is allergic. With what medicine good? 甲苯过敏了.;用什么药好?
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
