单词 | Bragg spectrometer |
释义 | Bragg spectrometer [`brag spek`träm·ǝd·ǝr] ENGINEERING An instrument for x-ray analysis of crystal structure and measuring wavelengths of x-rays and gamma rays, in which a homogeneous beam of x-rays is directed on the known face of a crystal and the reflected beam is detected in a suitably placed ionization chamber. Also known as crystal spectrometer; crystal-diffraction spectrometer; ionization spectrometer. |
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