chemical composition analysis

基本解释

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。
The cracking causes of the die casting mould of SKD61 steel were analyzed by chemical composition analysis, mechanical property testing, microstructure examination and fracture analysis.
通过化学成分分析、力学性能测试、金相检验以及断口分析等方法对SKD61钢压铸模具开裂原因进行分析。
Combined with production process feature of steelmaking in Stainless Steel Branch, application of full automatic quick analysis system in steel chemical composition analysis of Baosteel is introduced.
结合不锈钢分公司炼钢生产工艺特点，着重介绍了检化验全自动快速分析系统在宝钢钢铁化学成分分析中的应用。

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