electric valve
71Traveling-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… …
72EWI — (an acronym for Electronic Wind Instrument), is the name of AKAI s line of wind controllers, an electronic musical instrument invented by Nyle Steiner. The early models consisted of two parts: a wind controller and a synthesizer. The current… …
73Wind controller — A wind controller, sometimes referred to as a wind synth or wind synthesizer , can loosely be defined as an electronic wind instrument. Wind controllers are most commonly played and fingered like a saxophone though models have been produced that… …
74Amperex Electronic — Infobox Company company name = Amperex Electronic Corporation company company type = Electronics manufacturer company slogan =Tomorrow s Technology Today foundation = 1920s location = Brooklyn, New York; Hicksville, New York; Slatersville, Rhode… …
75thermionic rectifier — a rectifier consisting of an electric valve in which the electrons are supplied by a heated electrode …
76thyratron — thy·ra·tron (thiґrə tron) a form of discharge tube containing mercury vapor and a multiplicity of electrodes, used as an electric valve to rectify alternating current …
77Айзенштейн, Семён Моисеевич — Семён Моисеевич Айзенштейн …
78Water heating — is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating. In industry, both hot water and water heated to steam have… …
79Glossary 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 …
80automobile — automobilist /aw teuh meuh bee list, moh bi list/, n. /aw teuh meuh beel , aw teuh meuh beel , aw teuh moh beel, beuhl/, n. 1. a passenger vehicle designed for operation on ordinary roads and typically having four wheels and a gasoline or diesel… …
