Very long and open aligned carbon nanotubes that reach about 2 mm long, an order of magnitude longer than previously rea......

本文提出混合类型数组的概念,将DBASEⅢ管理系统数据库转换成二维数组变量,解决了在DBASEⅢ中没有数组变量的缺陷。为通用管理程序......

A porous anodic alumina (PAA) film has been investigated to realise highly-ordered nano-porous structures. A two-step an......