The necessary material of 2 - ( 2 - methoethyl ) acetaldehyde diethyl acetal was synthesized in addition.另外还合成了必需原料 2- ( 2- 甲氧基乙氧基 ) 乙醛二乙醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using stannous chloride...
Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using stannous chloride as catalyst.以非质子...
She has a knack of landing herself right in the soup.她老是让自己的处境很尴尬。"I have a knack for making friends, you know," she added meaningfully.“你知道，我交朋友有一套的，”她故意补充说。It's easy, once you've got the knack.你一旦掌握这个技能就容易了。...
In 82 positive cases , 71 were performed GDC or EDC embolization, 11 cases underwent clippping surgery.其中71例行GDC或EDC介入栓塞治疗, 11例行手术夹闭治疗.The San Diego Regional EDC proudly partners with biotech in San Diego: Technology...
Human cadavers were the only known source of hGH, and demand was intense.人类尸体是hGH已知的惟一来源, 而且需求广泛.Methods: The study included 113 shoulders from sixty - four cadavers.方法: 本研究包含了64具尸体的113个肩部.Methods: Cadavers were injected...
拉马克学说与分子生物学的中心法则是完全不一致的.Lamarchism is completely at odds with the central dogma of molecular biology.要接受一种拉马克式的生物学还需要落实些别的什么?What else would it take to have a Lamarckian biology?最聪明的拉马克个体比最聪明的达尔文个体聪明得多.The smartest Lamar...