本文采用热酸浸蚀试验，化学成份分析和金相分析等手段，对45钢轴所出现的发纹进行分析。
The hair lines of 45 steel driving axle when quenching and tempering was analysed by heat etching, chemical analysis and metallographic.
同时，应该将现代考古研究成果、历史研究成果及光谱测试、化学成份分析等科学手段应用于钱币鉴定之中。
In the meantime, scientific means, such as modern archaeological findings, historic research achievements, spectrum and chemical component analyses, should be applied to the appraisal of currencies.
通过宏观检查、 化学成份分析、显微组织观察，对X KP-560 破胶机辊筒光辊开裂掉块原因进行了分析。
With the macrographic method, chemical composition analysis and microstructure observation, an analysis was made of the reasons about Swap Blocks of the Roller of XKP-560 Financials Plastic Machine.
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