powder method

粉末法

學術名詞

粉末法：物理學、電機工程、礦冶工程、化學、金屬材料、食品科技
粉晶法：地質學

英文釋義

a process for identifying minerals or crystals; a small rod is coated with a powdered form of the substance and subjected to suitably modified X-rays; the pattern of diffracted rings is used for identification