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.Copper - containing catalysts are the most suitable catalysts for producing 1, 2 - propanediol through catalytic hydrogenolysis of glycerol....
I have endeavoured to give in their briefest outline the reasons for my disaffection.我已经尽力简短地说明了我产生不满情绪的原因.Heaven only aided those who endeavoured to help themselves.老天爷只帮助那些自力更生的人.He endeavoured to extricate the car, di...
东挖西掘后留下了一片废弃的矿坑。All that digging had left a network of abandoned mines and tunnels.废弃的采石场the site of a disused quarry罪犯们逃到一间废弃的破旧农舍中躲藏起来.The criminals went to ground in a deserted old farm house....
"But Peter, it's not that simple," Goldstone countered in a firm voice.“但是，彼得，事情并非那么简单，”戈德斯通语气坚决地驳斥道。Goldstone chewed over the idea further.戈德斯通进一步考虑了这个问题。Goldstone flipped through the pages and stabbed his thumb at...
他们非常尊重埃及人的宗教, 并确定了埃及祭司的地位.The Ptolemies respected Egyptian religion, and confirmed the priests in their positions.祭司用一只鸡作祭品。The priest sacrificed a chicken.祭司们的工作是管理工业、农业和商业.The conscientious scribes regulated agricultur...