This work studied the effect of increasing degree of metamorphism on the properties of rocks.The properties investigated......

在真空保护气氛下,熔炼不同锂加入量的铜锂合金,用扫描电镜及图像分析仪分析其晶粒大小.结果表明,微量锂增大工业纯铜的晶粒尺寸,......