Chemical composition analysis, mechanical property test and microstructure examination were used to analyze the early fracture of power plant's turbine main oil pump shaft.
采用化学分析、力学性能测试和金相检验等手段，对某电站汽轮机主油泵轴的早期断裂进行了分析。
On based of the test and analysis for multi - kinds carbon source material property, pointed out to the optimization principle of synthesize diamond carbon source material.
在对多种炭源材料性能测试与分析的基础上，指出了合成金刚石炭源材料的优选原则。
This paper studied the causes of bursting of stop valve by the methods of visual inspection, metallographical examination, chemical analysis and mechanical property test.
采用宏微观检验、化学成分分析及力学性能测试方法对截止阀阀体爆裂原因进行了分析。
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