- vacuum envelope
- баллон электровакуумного прибора
The New English-Russian Dictionary of Radio-electronics. F.V Lisovsky . 2005.
vacuum envelope
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Vacuum 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
Vacuum switch — Prior to effective engine computers, engine vacuum was used for many functions in an automobile. Vacuum switches were employed to regulate this flow, and were commonly controlled by temperature, solenoids, mechanically, or directly. They operated … Wikipedia
Vacuum variable capacitor — A vacuum variable capacitor uses a high vacuum as the dielectric instead of air or other insulating material. This allows for a higher voltage rating and/or capacitance value using a smaller total volume. In addition to the higher voltage rating… … Wikipedia
envelope — ► NOUN 1) a flat paper container with a sealable flap, used to enclose a letter or document. 2) a covering or containing structure or layer. 3) the outer housing of a vacuum tube, electric light, etc. 4) the structure within a balloon or non… … English terms dictionary
vacuum technology — Introduction all processes and physical measurements carried out under conditions of below normal atmospheric pressure. A process or physical measurement is generally performed in a vacuum for one of the following reasons: (1) to remove the … Universalium
Vacuum packing — Salt baked chicken feet sold in China: vacuum packed and ready to eat Vacuum packing or vacuum packaging is a method of packaging that removes air from the package prior to sealing. It can involve both rigid and flexible types of packaging. The… … Wikipedia
Vacuum mattress — A vacuum mattress, or vacmat, is a medical device used for the immobilisation of patients, especially in case of a vertebra, pelvis or limb trauma (especially for femur trauma). It is also used for manual transportation of patients for short… … Wikipedia
envelope — /en veuh lohp , ahn /, n. 1. a flat paper container, as for a letter or thin package, usually having a gummed flap or other means of closure. 2. something that envelops; a wrapper, integument, or surrounding cover. 3. Biol. a surrounding or… … Universalium
Vacuum fluorescent display — A vacuum fluorescent display (VFD) is a display device used commonly on consumer electronics equipment such as video cassette recorders, car radios, and microwave ovens. Unlike liquid crystal displays, a VFD emits a very bright light with clear… … Wikipedia
envelope — en•ve•lope [[t]ˈɛn vəˌloʊp, ˈɑn [/t]] n. 1) a flat paper container, as for a letter or thin package, usu. having a gummed flap or other means of closure 2) something that envelops; a wrapper or surrounding cover 3) bio a surrounding or enclosing… … From formal English to slang
envelope — /ˈɛnvəloʊp / (say envuhlohp), /ˈɒn / (say on ) noun 1. a cover for a letter or the like, usually so made that it can be sealed or fastened. 2. that which envelops; a wrapper, integument, or surrounding cover. 3. Botany a surrounding or enclosing… …
