electron valve

  • 91TUBES ÉLECTRONIQUES — Les tubes électroniques sont des composants qui entrent dans la constitution de matériels électroniques très divers (émetteurs de radiodiffusion; émetteurs, récepteurs, caméras de télévision; équipements de télécommunications; radars; contre… …

    Encyclopédie Universelle

  • 92diode — [ djɔd ] n. f. • 1932; de di et ode; cf. cathode ♦ Techn. Composant électronique redresseur de courant alternatif. ⇒ valve. Électron. Tube électronique à deux électrodes (⇒ anode, cathode). Diode à gaz, pour le redressement de puissance. Diode à… …

    Encyclopédie Universelle

  • 93X-ray — [ 22 December 1895 and presented to Professor Ludwig Zehnder of the Physik Institut, University of Freiburg, on 1 January 1896. The dark oval on the third finger is a shadow produced by her ring. [cite book last = Kevles first =Bettyann Holtzmann …

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  • 94High-voltage direct current — HVDC or high voltage, direct current electric power transmission systems contrast with the more common alternating current systems as a means for the bulk transmission of electrical power. The modern form of HVDC transmission uses technology… …

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  • 95Traveling-wave tube — A traveling wave tube (TWT) is an electronic device used to amplify radio frequency signals to high power, usually in an electronic assembly known as a traveling wave tube amplifier (TWTA).The bandwidth of a broadband TWT can be as high as three… …

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  • 96Neverwinter Nights 2 — Windows boxart …

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  • 97Hot filament ionization gauge — Infobox Laboratory equipment name = Hot filament ionization gauge caption = Bayard Alpert hot thoriated iridium filament ionization gauge on 2.75 in conflat flange acronym = other names = Hot cathode gauge Bayard Alpert gauge uses = Pressure… …

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  • 98Список игр на Sony PlayStation 3 — Информация в этом разделе устарела. Вы можете помочь проекту, обновив его и убрав после э …

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  • 99Computed tomography of the heart — Intervention ICD 9 CM 87.41 OPS 301 code: 3 224 …

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  • 100Myocardial perfusion imaging — Intervention Nuclear medicine myocardial perfusion scan with Thallium 201 for the rest images (bottom rows) and Tc Sestamibi for the stress images (top rows). The nuclear medicine myocardial perfusion scan plays a pivotal role in the noninvasive… …

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