powder technique

英 美
  • 粉末工艺
  • powder n.粉末;粉;火药;细雪vt.洒粉于;使变成粉;重击vi.变成粉;涂粉
  • technique n.技术;技巧;技能
Noun:
  1. 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