“ion microprobe mass spectrometer”的概念、定义、翻译、参考文献-科学参考

单词	ion microprobe mass spectrometer
释义	ion microprobe mass spectrometer [`ī´än `mī·krǝ´prōb ¦mas spek`träm·ǝd·ǝr] ^ENGINEERING A type of secondary ion mass spectrometer in which primary ions are focused on a spot 1-2 micrometers in diameter, mass-charge separation of secondary ions is carried out by a double focusing mass spectrometer or spectrograph, and a magnified image of elemental or isotopic distributions on the sample surface is produced using synchronous scanning of the primary ion beam and an oscilloscope.
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