The chemical composition, mineral structure and thermal physical performance of Yanfeng dolomite have been researched by chemical analysis, X ray diffraction analysis, optical microscope analysis, SEM analysis, electron micro probe analysis and differential thermal analysis. 采用化学分析、X射线衍射、光学显微镜分析、扫描电镜、探针和差热失重分析等手段对湖北大冶灵乡镇岩峰白云石原料进行了化学、矿物及热物理性能分析。
The fracture of the failed bolt connecting pieces in the safety device of the solid rocket motor is analyzed and ascertained by means of scanning electron microscope ( SEM ), metallograph and chemical analysises and X ray microanalysis. 对一种固体发动机安全机构上的螺栓连接失效件断口进行了扫描电子显微镜、金相组织、化学成分和X射线微区元素分析。
Chemical selective dissolution and X ray diffraction methods were used to investigate the types of manganese minerals in Fe Mn nodules of soils. 用化学选择溶提、X射线衍射(XRD)等技术,对土壤铁锰结核中锰矿物类型的鉴定进行了探讨。
Application of a Kind of Chemical Sensitization in the X - ray Film 一种新型化学增感剂在X-射线胶片中的应用
In this letter, we mainly discuss the influences of the flow ratio of precursor gases CH 4 and N 2 on Raman spectra of CN x films and analyze the chemical states of CN x films with X-ray photoelectron spectrum ( XPS ). 本文着重探讨了CH4、N2的流量比对CNx膜的Raman谱的影响,并采用了X-射线光电子能谱(XPS)方法分析了CNx膜的化学状态。