Six α,β,β-trifluorostyrenes with the following substituents,viz.,p-MeO,p-Me,m-Me,p-Cl,m-Cl,and rn-CF_3,were synthesi......

The title compound ethyl(2-amino-4-(3-nitrophenyl)-1,4-dihydro-2H-pyrano[3,2- h]quinolin-3-)carboxylate (C21H17N3O5, Mr ......

The first total synthesis of 3-oxo-11,12,13-trihydroxyeudesm-4-ene,a highly oxygen- ated natural eudesmane, was describe......

CuO was synthesized by thermal decomposition of Cu(NO3)2·3H2O at various temperatures and characterized by powder X-ray......

本文提出一种能快速灵敏地检测地面水和污水中苯胺类化合物的试剂盒。该方法是以N－氯供丁二酰亚胺氧化苯胺，在pH9-11的碱性介质中^[1......

为研制、评价血清铜5-Br-PADAP自动分析法试剂盒,在表面活性剂存在下,用2-(5-溴-2-吡啶偶氮)-5-二乙氨基酚(5-Br-PADAP)作显色剂,......

针对钱营孜选煤厂煤泥水难处理的问题,采用不同种类的絮凝剂和凝聚剂对煤泥水进行了沉降试验,研究了絮凝剂种类和添加量、凝聚剂种......