商业上采用的以镍作催化剂的氢化有两种.Commercially two main types of hydrogenations are carried out with Nickel catalyst.抑制剂和促进剂能影响氢化速率.Inhibitors and promoters may affect the rate of oxxidution.用六氢化邻苯二酸酐加入到邻苯二酸酐中,可使其放热反应减慢.Exothermic reac...
捏合馅饼时，要弄湿两张饼皮粘连的地方。When assembling the pie, wet the edges where the two crusts join.用刀子绕馅饼边沿刻小锯齿。Using a knife, make slight indentations around the edges of the pastry.她把烤箱加热，准备把馅饼放进去。She lit the oven, preparatory to put...
The two lovers were locked in a clinch.那对恋人紧紧拥抱着.This has fuelled speculation that he is about to clinch a deal with an American engine manufacturer.这更增添了人们对他即将和美国的一家发动机制造商达成协议的猜测。They were caught in a clinch when their ...