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

采用间浓度与镍纹石带宽度关系测定了东乌珠穆沁铁陨石的金相冷却速率，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及锆合金晶粒的金相及扫描电镜析试样的制备技术。

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

摘要采用化析、硬度测定、金相检验以及断口宏、微观析等方法，对断裂的摩托车活塞进行了析。