This paper reports a new synthetic method of nickel borate acylate.本文研究了以碳酸镍合成硼酰化镍的新方法.Through nitrosation , hydrogenate reducion, and acylate three steps, the yield surpass 80 % for the diethyl malonate.收率相对于丙二酸二乙酯达到了80...
The road to peace will be long and drawn-out.通往和平的道路将很漫长。The traffic on the approach road slowed to a crawl.引路上车辆行驶缓慢。The road divides; you should take the right fork.路在这里分了岔;你应该走右边一条。...
His funeral will be on Thursday at Blackburn Cathedral.他的葬礼将于星期四在布莱克本大教堂举行。Was it a hard decision to leave Blackburn Rovers?离开布莱克本是否很困难?The forward left the club to join Blackburn Rovers in 1994.这位前锋1994年加入了布莱克本....
Lindberg and his colleagues suggested that it was the epicuticle.林格伯等人提出,这是毛纤维外层薄膜的作用.Recent work has shown conclusively that the epicuticle is discontinuous.最近研究工作已总结性地表明表皮层薄膜并不是连续的....
Tony was unnerved by the uncanny familiarity of her face.怪异的是,她看起来竟有些面熟,这让托尼心慌意乱。He had behaved with undue and oily familiarity.他表现得过于亲热,媚态毕现。His familiarity with the language helped him enjoy his stay.他通晓这种语言,所以逗留期间过得很惬...