Chemical composition analysis by microprobe shows that its colour is related to the content of CuO.

电子探针成分分析表明，其颜色是由铜离子引起的，铜的含量越高，颜色就越鲜艳。

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By chemical composition analysis, SEM and other analytical methods, the cause of cracking of plate heat exchanger was investigated.

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。

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Xray photoelectron spectroscopy (XPS) is one of the most powerful and useful tool for chemical composition analysis on both wood and fiber surfaces.

表面光电子能谱分析是固体木材及纤维表面化学组成分析最有效及最灵敏的工具之一。

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Now, the differences here may be subtle in terms of chemical composition or if you put these cells under a microscope and looked at their analysis.

干细胞与祖细胞化学成分的区别,还非常微小,除非你把细胞放在显微镜下,或者看细胞分析报告

耶鲁公开课 - 生物医学工程探索课程节选

Further analysis of the DNA and chemical composition of the bones is due to take place and may help to shed more light on the child and its fate.

BBC: Walking Hadrian��s Wall