释义 |
powder method ThesaurusNoun | 1. | powder method - 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 identificationpowder photography, powder techniquephotography - the process of producing images of objects on photosensitive surfaces |
powder method
powder method[′pau̇d·ər ‚meth·əd] (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. powder method Related to powder method: Laue methodSynonyms for powder methodnoun a process for identifying minerals or crystalsSynonyms- powder photography
- powder technique
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