“x-ray fluorescent emission spectrometer”的概念、定义、翻译、参考文献-科学参考

单词	x-ray fluorescent emission spectrometer
释义	x-ray fluorescent emission spectrometer [`eks´rā flu̇`res·ǝnt i¦mish·ǝn spek`träm·ǝd·ǝr] ^SPECTROSCOPY An x-ray crystal spectrometer used to measure wavelengths of x-ray fluorescence; in order to concentrate beams of low intensity, it has bent reflecting or transmitting crystals arranged so that the theoretical curvature required can be varied with the diffraction angle of a spectrum line.
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