The metallographic cooling rate was measured for the Deng Ujimqin mesosiderite using And profile ac concentration vs.

采用剖面间浓度与镍纹石带宽度关系测定了东乌珠铁陨石的冷却速率，其冷却速率于0。

A preparation method to reveal the grain boundrie of zirconium and zircaloy for metallographic and scanning electronic microscope analysis is introduced.

绍了一种能清楚显示锆锆合晶粒的扫描电镜分析试样的制备技术。

Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.

摘要采用化学成分分析、硬度测定、检验以断口宏、微观分析等方法，对断裂的摩托车活塞进行了分析。