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...
Among tham , 7 species is belonged to Rodenria, and Carnivora, Chiroptera and Insectivora only have 1 species respectively.其中食虫目1种 、 翼手目1种 、 食肉目1种、啮齿目7种....
接替他工作的首要人选是玛格丽特·拉姆齐。Prime candidate to take over his job is Margaret Ramsay.拉姆齐劲射入网。Ramsay blasted the ball into the back of the net.而且拉姆齐自己也是一位出色的思想家。Moreover, Ramsay was no mean thinker himself....
我向来觉得永生的想法很可怕。I have always found the thought of eternity terrifying.在天国永生的许诺the promise of eternal life in heaven是否有永生的秘诀 呢 ?Is there a secret eternal life?...
Put some moisturizer on as a base before applying your make - up.使用化妆品之前先用点润肤脂打底.She had always taken her make - up off with remover and put a good moisturizer on afterwards.她一直就用去脂剂除掉化妆品,然后再擦上保湿霜.Should apply primer on ...