Alumina supports modified by lanthanum(La)and barium(Ba)were prepared by peptization.Catalysts with different KOH conten......

Two novel tetra-armed conjugated microporous polymers with different geometries have been designed and synthesized via S......

一、前言水的绝对密度测量的早期工作主要由 Chappuis 完成的。但采用的是无定义的温标,且不考虑水的同位素的影响。近来的测量工......

CeO 2 nanocrystals with different morphologies were synthesized by adjusting the pH value of the starting solution in wa......

A series of Ce0.4Zr0.5-xY0.1MnxO2(0...

摘要：国内网页设计教学，长期以来都是微软平台下，围绕Dreamwver展开，这种组合体现了高可用性，可视化开发的特点，但是它有各种弊端，平台封......