electron valve

  • 31ламповый детектор — lempinis detektorius statusas T sritis Standartizacija ir metrologija apibrėžtis Detektorius su elektronine lempa. atitikmenys: angl. electron tube detector; electron valve detector; vacuum tube detector vok. Röhrendemodulator, m; Röhrendetektor …

    Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • 32Maestrovox — was a British company best known for its line of electron valve based electronic organs.[1] They were designed and built by Victor Harold Ward. The first design model went on sale on May 5, 1952 at the British Industries Fair at Olympia, London,… …

    Wikipedia

  • 33Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …

    Wikipedia

  • 34Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …

    Wikipedia

  • 35Giant magnetoresistance — Founding results of Fert et al. Giant magnetoresistance (GMR) is a quantum mechanical magnetoresistance effect observed in thin film structures composed of alternating ferromagnetic and non magnetic layers. The 2007 Nobel Prize in physics was… …

    Wikipedia

  • 36materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …

    Universalium

  • 37Diode — Figure 1: Closeup of a diode, showing the square shaped semiconductor crystal (black object on left) …

    Wikipedia

  • 38Pentagrid converter — For other types of frequency converters please, see Frequency converter. The pentagrid converter is a radio receiving valve (vacuum tube) with five grids used as the frequency mixer stage of a superheterodyne radio receiver. Grids of a 12SA7GT… …

    Wikipedia

  • 39ESEM — stands for environmental scanning electron microscope. This is a scanning electron microscope (SEM) that allows a gaseous environment in the specimen chamber. Whereas all conventional microscopes operate in vacuum, the ESEM has added a new… …

    Wikipedia

  • 40Mullard-Philips tube designation — In Europe, the principal method of numbering vacuum tubes (or thermionic valves , as they are referred to in Europe and Australia, etc.) was the nomenclature developed and used by Mullard in the UK and applied Europe wide thanks to their… …

    Wikipedia