The effect of catalyst, epichlorohydrin and base on product yield was studied.研究了催化剂用量 、 反应原料配比及?A用量对产物收率的影响.The effect of catalyst, epichlorohydrin and base on product was studied.研究了催化剂用量 、 反应原料配比及碱用量对产物收率的影响.Grafting ...
罗伯逊是位实干家,不是空想家。Robertson was a doer, not a thinker.在我们看来,空想家的观念好像不切实际.The ideas of a visionary may seem impractical to us.他们是 左翼 空想家.They are left - wing visionaries....
Mr Mendes was leading a campaign to save Brazil's rainforest from exploitation.门德斯先生正领导一场运动,以拯救遭到乱砍滥伐的巴西热带雨林。In February, Dunst checked in to the center after Lindsay Lohan and Eva Mendes stints there.邓斯特在二月在这家治疗中心登...
该队还因其良好的体育精神及公平竞争精神而受到了表扬。The team also won praise for sportsmanship and fair play.对于有些人来说,赛跑的全部意义就是竞争。For some people, competing is the be-all and end-all of their running.他们现在想要公平竞争。They are now trying to compete on an...