They immediately got in touch with Dr Ting who was, purely coincidentally, also in California.他们立即与丁博士联系，真是巧得很，他也在加利福尼亚。" It's not what you're thinking , though , " Li Yu - ting went on.“ 嗳,你弄错了,不是那么的.Uncle Ke ...
Purification of 2,6 dichlorotoluene by the recrystallization method without solvent was studied.研究了用无溶剂重结晶法提纯2,6二氯甲苯.Taking p chlorotoluene as raw material , 2,4 Dichlorotoluene was synthesized via catalytic chlorination...