Copper - containing catalysts are the most suitable catalysts for producing 1, 2 - propanediol through catalytic hydrogenolysis of glycerol. 对甘油催化氢解制取1, 2- 丙二醇效果最好的是含铜的催化剂.
Zoe Bannister hunched over her veranda desk, correcting exercise books.佐伊·班尼斯特弓着身子,趴在她阳台的写字台上, 批改著作业.There was a considerable possibility that one of them would beat Bannister to the coveted record.他们都有可能夺走班尼斯特梦寐以求的纪录....
The rules state that samples must be enclosed in two watertight containers.规则要求样本必须装在两个水密容器中。Shrubs can be grown in tubs or large containers.灌木可以种植在盆里或大型容器中。The shop imports goods such as painted gourd containers.这家商店进口诸...
Brokers expect the markets to be flooded with the shares...股票经纪人预计股市会充斥着这种股票。Brown-nosing the power brokers won't save you.拍那些政治掮客的马屁也救不了你。Most of those shares were purchased from brokers.大部分的股份是从经纪人手中购得的。Scope: Rea...
这些剧本以韵文写成。The plays are in rhyme.这剧本大部分是用韵文写的，不过有一些是用散文。Most of the play is written in verse, but some of it is in prose.他的书有许多地方是用韵文写的.His book was in parts written in verse....