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....
The newspaper seeks to be independent of political dogma.这份报纸力求不受政治信条影响.It is precisely such ignorant people who take Marxism - Leninism as a religious dogma.那些将 马克思列宁主义 当宗教教条看待的人,就是这种蒙昧无知的人.Lamarchism is completely at o...
人生就应该是快乐的，要抓住每一天，孩子们，让你们的生活变得非凡起来。Carpe diem. Seize the day, boys. Make your lives extraordinary.失败的痛苦过去以后，英国人应该认真反思一下。After the pain of defeat passes, England have some thinking to do.我真应该跟我这些愚蠢的朋友理论理论！I shall have word...
Meanwhile, the higher HDPEC discharge is beneficial to modification of solidification structure.同时, 脉冲充电电压越高,凝固组织细化程度越大.And the reaction rate the precipitate solidification is also discussed.最后探讨了固化沉淀的反应速率.The heat of fu...
The court filiated the child born out of wedlock.法院收养了这个非婚生孩子.So, that pedologist tells Russia , agricultural herd should be united in wedlock.所以, 苏联那个土壤学家讲, 农林牧要结合.The same is true of restrictions on out of wedlock chil...
碳的诸多同位素the many isotopes of carbon碳的化合价是4价。Carbon has a valency of 4.通过环氧化和氧化就得到外消旋的含十八个碳的昆虫返动激素.Epoxidation and oxidation gave the racemic C 18 - juvenile hormone....