The distribution of the fibers in the composite is nearly homogeneous, which is important to the mechanical properties of the composite. The interfacial reaction in composites was investigated by scanning electron microscope, transmission electron microscope and X-ray diffraction to identify the reaction products. 并通过X射线衍射及透射电镜进行分析以确定界面反应产物的成分,发现界面反应产物成层状分布,表现出明显的反应扩散特性。
Theoretical calculate about the homogeneous of the X-ray irradiation field on the CT scan 在CT扫描中X射线辐射场均匀性的理论计算
In this study, the sol of HAP nanoparticles was synthesized with the method of homogeneous precipitation, and its properties of size distribution, crystallization degree and morphology were characterized by laser granularity instrument, X-ray diffraction ( XRD), and transmission electron microscope ( TEM) respectively. 本课题采用均相沉淀法制备羟基磷灰石纳米粒子溶胶,并应用激光粒度分析仪、X-射线衍射、透射电镜等对其粒径、结晶度、形貌等进行了表征。
Technology of depositing TiO 2 on surface of diamond by homogeneous precipitation phase transfer method are presented, TiO 2 is reduced into Ti in vacuum at high temperature, formation of Ti and TiC is verified by X-ray diffraction analysis. 用均一沉淀法在金刚石表面沉积二氧化钛,探讨了沉积工艺条件。覆层在高温和真空条件下被还原为单质金属钛,X射线衍射分析表明金刚石表面有钛和碳化钛生成。
By means of electric furnace and high temperature thermo-stage microscope, the homogeneous nucleation curve and the crystal growth curve of willemite are determined. Using high temperature X-ray diffraction techniques the willemite isothermal crystallization curves are obtained. 用电炉和高温热台显微镜测定了釉熔体中硅锌矿的均相成核曲线和晶体生长曲线,并且用高温X射线衍射仪直接测定釉中硅锌矿的等温结晶曲线。
This study has the following main results. 1. Strength formula of primary and secondary fluorescence of homogeneous and heterogeneous X-ray is constructed and a theoretical equation of mathematic relation between content of elements in copper alloys and fluorescence strength is also established. 论文取得的主要成果有:1.建立了单色和多色X射线荧光初级和次级X荧光强度公式,构建了铜合金中元素含量与荧光强度之间数学关系的理论方程。