- electron-valve instrument
- Макаров: электронный измерительный прибор, электронный прибор
Универсальный англо-русский словарь. Академик.ру. 2011.
electron-valve instrument
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valve — noun Etymology: Latin valva; akin to Latin volvere to roll more at voluble Date: 14th century 1. archaic a leaf of a folding or double door 2. [New Latin valva, from Latin] a bodily structure (as the mitral valve) that closes temporarily a… … New Collegiate Dictionary
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mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph … Universalium
