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Because of the different scattering properties of the two elements of a binary alloy£¬the extinction(Ïû¹â) rules of X-ray diffraction do not pertain(ÊʺÏ) to an ordered structure and X-ray reflections occur that are systematically absent in disordered solid solutions. ¸÷λ¸ßÊÖ°ï°ï棬Õâ¾ä»°ÎÒ¿´Á˺ü¸ÌìÁË£¬ÓÈÆäÊÇ×îºóÒ»¾ä»°£¬ÎÒÔõôѰ˼×Ŷ¼ÓÐÓﲡ£¬Ë­ÄܰïÎÒ·­Òëһϣ¬Óнð±ÒµÄŶ:dnd:

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Õâ¾ä»°Ï൱ÓÚX-ray reflections which are systematically absent in disordered solid solutions occur.
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