Most important interventional application of IVUS is plaque assessment, vessel sizing and stent implantation guidance. I......

The reactions of oximes with benzyl bromide catalyzed by benzyldimethyltetradecylammonium chloride are carried out at ro......

随着经济的飞速发展,移动物体计数系统在展会统计、煤矿安全等国计民生场合发挥着越来越重要的作用.然而,现有计数系统却存在着一......

岩石的结构、构造往往具有不均一性，因而表现出物理力学性质的各向异性。超声波技术就是通过研究岩石的各向异性来了解岩石的构造变......