清澈碧绿的沙澧河水轻轻地拍打美丽的河岸，岸上乔灌相拥、芳草相依，连绵出一方的宁静绿洲。在绿的深处，五彩缤纷的鲜花以夺目的色彩挽留飘荡的视线……
The different regioselective and stereoselective products were obtained by the reduction of stigmast-4,22-dien-3,6-dione with NaBH4-CH3OH when different kinds o
前不久,内蒙古预备役师在野营拉练中,依靠群众,帮助群众,与当地人民群众建立了深厚的情意,谱写出一曲军民鱼水情的颂歌。
Started from 5-hydroxy-2-pentanone, (R)(E)-3,7-dimethyl-2-octene-1,8-dioic acid, callosobruchusic acid, was synthesized via five steps with D-(-)-camphor sultam
由于国内劳动力短缺和人工费上涨等原因,中国企业正在“爆买”工业机器人。受此推动,全球工业机器人需求正在增加。新工厂投入运行后,发那科的整体月产能将提高至目前的1.5倍
The exothermic reaction of HCS with OH on the single-state potential energy surface was explored by means of Density Function Theory(DFT). The equilibrium struc
三里屯，北京著名的酒吧一条街，冬日的下午，刚打开店面的丁薇接受了记者的采访，酒吧里村落出舒缓的轻音乐和丝丝暖意让人忘记了屋外的寒冷。
［1］Aisen, P., Liebman, A. and Zweier, J., J. Biol. Chem., 253, 1 930(1978)［2］Martin, R. B., Savory, J., Brown, S., et al., Clin. Chem., 33, 405(1987)［3］Baker, E. N.,
A new cembranoide deterpene was isolated from the soft coral Sinularia Tenella. The crystal and chemical structure of the title compound were determined by mean
The insoluble species of Gd (Ⅲ) in human blood plasma were investigated by computer simulation. The distribution of the Gd (Ⅲ) species was obtained. It was fo