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单词 ion scattering spectroscopy
释义 ion scattering spectroscopy
[¦ī´än ¦skad·ǝ·riŋ spek`träs·kǝ·pē]
SPECTROSCOPY
A spectroscopic technique in which a low-energy (about 1000 electronvolts) beam of inert-gas ions in directed at a surface, and the energies and scattering angles of the scattered ions are used to identify surface atoms. Abbreviated ISS.
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