...化学成分分析；气相色谱―质谱联用分析 [gap=837]Key words:Patrinia. sinensis Koidz;Patriniae monandra C.B.Clerke;Volatile oils;Chemical constitutent;GC-MS ...
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采用宏观、微观检验、化学成分分析等方法，对失效件进行了检测。
The failure components were examined by macro and microscopical analysis and so on.
采用化学成分分析、电镜扫描等方法，对出现裂纹的换热器板片样品进行了逐项分析。
By chemical composition analysis, SEM and other analytical methods, the cause of cracking of plate heat exchanger was investigated.
采用低倍组织试验、化学成分分析及金相检验等方法，对出现边裂的带钢卷进行了解剖分析。
Structure testing in low magnificution, chemical composition analysis and microstructure examination were used to analyze the edge cracking of strip steel coil.
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