引入空间群消光规律，用计算机模拟电子衍射图，提出选取约化四边形的新方法。
Adopting the space-group extinction rule and simulating the electron diffraction pattern with computer, this paper proposed a new method for selecting the reduced quadrangle.
摘要：建立了以线阵CCD作为探测组件的激光衍射粒径测量系统用于颗粒群直径分布的测量。
Abstract: by using a linear CCD as the detector module, a measuring system for particle size distribution was established by laser diffraction.
提出了用激光衍射功率谱方法测量柱形颗粒群直径分布的技术方法。
A new approach to measure the long cylindrical particle by using the laser diffraction power spectrum method is presented in this paper in detail.
提出了用激光衍射功率谱方法测量柱形颗粒群直径分布的技术方法。
A new approach to measure the long cylindrical particle by using the laser diffraction power spectrum method is presented in this paper in detail.
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