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研究了三氯甲苯和氯乙酸在催化剂存在下反应生成氯乙酰氯和苯甲酰氯的工艺条件。
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UV absorber, UV-214 can be prepared by reading resorcinol with benzotrichloride in water.
间苯二酚水溶液与三氯甲苯反应可制备紫外线吸收剂UV&214。
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所测定的八种VOCs为苯乙酮,苯酚,三氯甲苯,1,3丁二烯,氯苯,甲醇,三氯代乙烷和二氯甲烷。对氯仿敏感;
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- 相关词组
- width of cloth幅;
- faculty of hearing聪;
- of or by the wife嫡;
- a bird of peacen.鸽;
- form of eddying洑;
- take prisoner of war俘;
- the heart of a matter事情的实质;底;
- a kind of bamboo筇;箘;簕竹;
- the cry of birds呝;
- a bird of preyn.猛禽;
- act on behalf of代;
- of the same clan从;堂房;宗;同宗;
- bend of a river汭;
- of lineal descent嫡;
- be in place of代;
- the confluence of streams汭;
- seat of government[法] 政府所在地;
- raising a cloud of dust塕;
- the curtain of a carriage帱;
- name of ancient wood-wind instrument椌;
- 今日热词
- 热门搜索
- 劳斯莱斯 Rolls-Royce; Rolls-Royces; Rolls-Royce Group; Perkins
- still adv. 仍,仍然;更,还要;静静地;〈诗〉常,不断地;adj. 不动的,静止的;不狂暴的,温柔的;没有活力的,死气沉沉的;
- fibromyalgia [医]纤维肌痛;纤维肌痛症
- background n.出身,背景;底色;幕后;背景音;
- where you are 你在哪里(歌曲名);
- cork n.软木(塞);v.用软木塞封(瓶);
- entertainment n.娱乐节目/活动;招待;
- fail v.失败;没有做;出故障;倒闭;衰弱;不够;不及格;评定不及格n.考试不及格;
- kickoff n.(足球)开球,(社会集会等)开始;
- directory n.人名地址录,(电话)号码簿;(计算机文件或程序的)目录;
- obsidian n.黑曜石;黑曜岩
- air force n.空军,美国空军;航空队(AF);