By the theory of metallographic analysis and SEM, it is a new means to appraise the metal disjunction of identity of judicature evidence.
利用金相分析理论，结合扫描电子显微镜，对司法物证中金属分物的同一性鉴定，是一种简便、快速、准确的新方法。
The optimal technological parameter was obtained by laser cladding experiment and metallographic structure analysis.
通过熔覆试验和金相组织分析，获得了最佳工艺参数。
The analysis of automobile engine crankshaft was conducted by macroscopic examination, fracture analysis, chemical composition analysis, metallographic examination and mechanical properties test.
通过宏观分析、断口分析、化学成分检验、金相检验和力学性能检测等方法，对汽车发动机曲轴断裂原因进行了分析。
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