“powder method”的概念、定义、翻译、参考文献-科学参考

单词	powder method
释义	powder method [`pau̇d·ǝr ´meth·ǝd] ^{SOLID-STATE PHYSICS} A method of x-ray diffraction analysis in which a collimated, monochromatic beam of x-rays is directed at a sample consisting of an enormous number of tiny crystals having random orientation, producing a diffraction pattern that is recorded on film or with a counter tube. Also known as x-ray powder method.
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