报道以呋喃甲醛和苯乙酮为原料,氢氧化钠为催化剂,采用超声波辐射合成糠叉乙酰苯的方法. With furfural and acetophenone as raw materials - furfurylideneacetophenone was synthesized by NaOH as catalyst under ultrasonic irradiation.
朱利安想出了不少筹款的新办法。Julian has been thinking up new ways of raising money.每年我们都有慈善日来筹款帮助贫困人群。Every year we have charity days to raise money for unfortunate people.你是在为慈善事业筹款吗？Are you collecting for charity?...
The men stepped forward to kiss the hand of their mentor.这些男子走上前去轻吻他们导师的手。He fed on the great ideas of his mentor.他以他导师的伟大思想为支撑。He was now playing the role of disinterested host and avuncular mentor.他现在正扮演着慷慨的主人和伯父似的指导人的...
Mr Zhang Songnian once translated an essay by Bertrand Russell.从前张崧年先生译过一篇罗素的论文.God, what a swine Bertrand is.我的老天, 伯特兰德简直讨厌死了.If Bertrand were still suspicious, he might worm the story out of her by emotional pressure.伯...
Objective To seek the clinical early - stage rehabilitation treatment for hemiplegia caused by brain stroke.目的:寻找脑卒中偏瘫的临床早期康复治疗方法.Objective To study the effects of electro - acupuncturing points of Yangming meridians on ...
a child with an enquiring mind有好奇心的孩子I was enquiring in Lost Property at Derby.我当时正在德比的失物招领处打听。I have always had an enquiring mind where food is concerned.我在吃的方面一向很爱探究求索。...an enquiring glance.探询的一瞥I have always had an e...
Rudolph said no more. Apparently he was a man of few words.鲁道夫没再说话。看来他是个寡言少语的人。Rudolph coughed miserably in the rain as he turned into Vanderhoff Street.鲁道夫冒雨拐进文德霍夫街的时候,咳得很厉害.Rudolph leaned forward intently, gloriously b...
The developments and present situation of magneto - optical materials rare earth ( RE ) iron garnets, were reviewed.本文以稀土铁石榴石为主,综述了 磁光材料 的发展和研究现状 、 着重介绍了在光通信器件中的应用....