常見例句雙語例句The technology of adsorption coagulation is used to pretreat acrylate-hydroxy ester wastewater.采用吸附-混凝聯(lián)合處理工藝對丙烯酸羥基酯廢水進行預(yù)處理研究。Toluene-4-sulfonic acid 2-hydroxy-ethyl ester was synthesised by p-toluenesulfonyl chloride with glycol.研究對甲苯磺酰氯與乙二醇制備單對甲苯磺酸乙二醇酯的合成工藝。Many kinds of chemicals were made from castor oil. There production techniques were summarized and classified according to the reactions of hydroxy, ester group and olefinic bond.從蓖麻油分子中羥基、酯基、烯鍵等官能團的化學反應(yīng)出發(fā)，對種類繁多的蓖麻油化學品加工技術(shù)進行綜述歸類。 返回 hydroxy ester