Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studied.环合反应采用乙醇钠作为Baker-Venkataraman重排反应的催化剂, 研究了影响反应的各个因素....
I live at Mesa, Washington, about 10 miles as the crow flies from Hanford.我住在华盛顿的梅萨，到汉福德的直线距离约为10英里。And I had climbed several times to the top of the mesa and looked among the old ruins there for pottery.有几次我还爬上山顶，在残垣断壁中...
阿兰·普罗斯特以第三名的成绩结束比赛，实际上已经将世界冠军的位置拱手让人。Alain Prost finished third and virtually conceded the world championship.阿兰·加西亚总统遭右翼反对派喝倒彩。President Alan Garcia was barracked by the right wing opposition.阿兰正和朋友打扑克牌。Alain was playin...
Serum BAP and OC were measured by enzyme linked immunosorbent assay ( ELISA ).采用ELISA法测其血清 BAP 及OC水平.The concentrations of IL - 1� � and IL - lra in GCF werequantified by sensitive enzyme linked immunosorbent assay ( ELI...