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....
Her criteria defy analysis.她的标准让人搞不明白。The towering pine and cypress trees defy frost and snow.松柏参天傲霜雪.If you defy the law, you may find yourself in prison.如果你不服从法律, 你就可能会坐牢....
The Ellsworth basin lay between the epicontinental basin and the marginal magmatic arc during the Devonian.除了上述两个沉积盆地外,在罗斯海两边却出露了火山岩,说明该地当时处于俯冲带附近的火山弧中.Blooming of Bacteria and Algae: Possible Killer of Devonian Frasnian...
He fell into disfavor as the president fell in the polls.总统大选失败后，他被打入了冷宫。He regarded my suggestions with disfavor.他不赞成我的建议.Foggartism having met with high disfavor and unpopularity, Michael became interested in slum impr...
他们正好踩上了饵雷，结果被炸得粉身碎骨。They walked right into a booby-trap and got blown to smithereens.宾馆正好坐落在商街的中段。The hotel is set plumb in the middle of the high street.今年的支出应正好低于150亿英镑。Expenditure this year should be just under 15 bil...
Hydrological monitoring and flood early warning and forecasting system.水文和洪水监测预警预报体系.In this system, the mode of hydrological information transmission is very important.水情信息的传输方式是该系统的重要部分.Period superposition forecasting...