Taking p chlorotoluene as raw material , 2,4 Dichlorotoluene was synthesized via catalytic chlorination process.以对氯甲苯为原料, 经催化氯化制取2,4二氯甲苯.In the reaction of chlorination, carbon tetrachloride was used agent, and chlorine ...
Chlorination is carried out with Nhaloamines and sulfuric acid.氯化是用N- 卤胺和硫酸.The practice of chlorination has become so widespread.氯化法在实践中已得到广泛应用.The process of 2 - chloropyridine chlorination synthesis by pyridine and ap...
As usual, Harriet is trying to stir up trouble.像往常一样，哈丽雅特正试图找麻烦。Don't stir up trouble between them.不要在他们之间惹麻烦.They argued that his presence in the village could only stir up trouble.他们认为他在村里出现只会招惹麻烦。...
我们正以令人眩晕的速度下降。We're descending now at dizzying speed.物价以令人眩晕的速度不断上涨.Prices keep rising at a dizzy rate.她愈来愈糊涂, 她那眩晕的头脑简直弄不明白.She grew more and more bewildered, and her dizzy head refused to reason....
氏族此外还继续存在于 “ factions〔 “ 帮”〕中.The gens also lives on in the " factions. "它存在于世,无色, 无形, 无声, 无嗅和无痛.It exists in this world colorless, shapeless, soundless, odorless, and painless.例如会产生氧气的蓝绿藻,已有毫无争议的微体化石存在于20亿年前的岩石中.In this...
...the helplessness of disenfranchised minorities.被剥夺了选举权的少数民族的无助The interests of minorities will have to be safeguarded under a new constitution.新宪法必须能保护少数群体的利益。...the region's ethnic minorities...这个地区的少数民族The inte...
她的画作带有质朴、空灵的韵味。Her paintings have a naive, dreamlike quality.她风格简约而质朴。Her style is pared-down and simple.装修厨房的时候，肯尼思选择的是一种亲切质朴的田园风格。When he came to decorate the kitchen, Kenneth opted for a friendly rustic look....