X射线衍射仪 Detector 扫描方式 Receiving slit Soller slit ▣偶合扫描 Monochromator 26 Anti scatter slit √0-20 D X-ray tube Soller slits (line focus) √0-0 Sample Divergence slit Measuring circle Detector Mon chromator Divergence slit Antiscatter slit F D Detector 0 生0 X-ray slit source SampleX射线衍射仪 扫描方式 偶合扫描 θ -2θ θ -θ