Bismuth oxyhalide photocatalytic materials including Bi OCl,Bi OBr and Bi OI have attracted extensive consideration as a......

The outputs or products of an economy can be divided into services products and goods products (due to manufacturing,con......

当前,IC逐步向高集成度、高密度、多功能方向发展,管芯尺寸也在增大;剪切力是器件考核的基本项目,随管芯面积的增大而增大,这就对......