采用扫描电镜（SEM）和X射线能谱分析仪对催化裂化装置（FCCU）沉降器内结焦物的微观组织结构和成分进行了分析，将结焦物划分为软焦和硬焦。
The microstructure and composition of coke from different parts of the FCCU disengager were analyzed by using both scanning-electron microscope(SEM) and X-ray analysis(EDS) methods.
利用FE-SEM、能谱分析仪（EDS）和X射线衍射分析（XRD）对其进行了表征和分析。
They were characterized and analyzed by FE-SEM, Energy Dispersive System(EDS) and X-ray Diffraction (XRD).
利用FE-SEM、能谱分析仪（EDS）和X射线衍射分析（XRD）对其进行了表征和分析。
They were characterized and analyzed by FE-SEM, Energy Dispersive System(EDS) and X-ray Diffraction (XRD).
应用推荐