单词 | high-voltage electron microscope |
释义 | high-voltage electron microscope [`hī ¦vōl·tij i¦lek´trän `mī·krǝ´skōp] ELECTRONICS An electron microscope whose accelerating voltage is on the order of 106 volts, as compared with 40-100 kilovolts for an ordinary electron microscope; it has the advantages of increased specimen penetration, reduced specimen damage, better theoretical resolution, and more efficient dark-field operation. |
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