the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to u0440u0435u043du0442u0433u0435u043du043eu0442u043eu043fu043eu0433u0440u0430u0444u0438u0447u0435u0441u043au0438u043c u0438u0441u0441u043bu0435u0434u043eu0432u0430u043du0438u00a0u043c imperfections of crystals and can be used u0434u043bu00a0 studies structural distortion is almost perfect crystals. purpose u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 increased coverage by combining the u043du0430u0431u043bu044eu0434u0435u043du0438u00a0 effects u043cu0430u00a0u0442u043du0438u043au043eu0432u043eu0433u043e u0440u0435u0448u0435u043du0438u00a0 and abnormal u043fu0440u043eu0445u043eu0436u0434u0435u043du0438u00a0.it has studied the crystal u0434u043eu0441u0442u0438u0433u0430u0435u0442u0441u00a0 sphenoid shape in which the direction of u0443u0442u043eu043du0447u0435u043du0438u00a0 clean u0432u044bu0431u0438u0440u0430u0435u0442u0441u00a0 in plane diffraction u043fu0435u0440u043fu0435u043du0434u0438u043au0443u043bu00a0u0440u043du043e in u0435u043au0442u043eu0440u0443 reverse reflecting crystal lattice planes.simultaneously, can be obtained u0442u043eu043fu043eu0433u0440u0430u043cu043cu044b of rays, u0434u0438u0444u0440u0430u0433u0438u0440u043eu0432u0430u0432u0448u0438u0445 in the side and the bottom surface of the crystal, with the participation of u0442u043eu0440u0446u043eu0432u0443u044e respectively u043cu0430u00a0u0442u043d u0438u043au043eu0432u043eu0433u043e and u0431u043eu0440u043cu0430u043du043eu0432u0441u043au043eu0433u043e effects. 10).
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