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单词 x-ray photoelectron spectroscopy
释义 x-ray photoelectron spectroscopy
[`eks´rā ¦fōd·ō·i¦lek´trän spek`träs·kǝ·pē]
SPECTROSCOPY
A form of electron spectroscopy in which a sample is irradiated with a beam of monochromatic x-rays and the energies of the resulting photoelectrons are measured. Abbreviated XPS. Also known as electron spectroscopy for chemical analysis (ESCA).
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