为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

The reduction of 4-nitrophenol catalyzed by nitroreductase in the presence of NADH was investigated in this paper. 4-Ami......

目的：体外观察大肠杆菌硝基还原酶／[5-（1-氮丙啶）-2，4-二硝基苯甲酰胺]（以下简称NTR／CB1954）自杀基因系统对宫颈癌Hela细胞的杀伤效应，探索......