- electron streams
- • потокот електрони• електронен поток
English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
electron lens — a combination of static or varying electric and magnetic fields, used to focus streams of electrons in a manner similar to that of an optical lens. [1930 35] * * * … Universalium
electron lens — elec′tron lens n. elo opt a combination of static or varying electric and magnetic fields used to focus streams of electrons • Etymology: 1930–35 … From formal English to slang
electron lens — /əlɛktrɒn ˈlɛnz/ (say uhlektron lenz), /i / (say ee ) noun a combination of static or varying electric and magnetic fields used to focus streams of electrons in a manner similar to that of an optical lens …
Relativistic electron beam — Relativistic electron beams (REBs) are streams of electrons moving at relativistic speeds. They are the lasing medium in free electron lasers (FELs) to be used in atmospheric research conducted at such entities as the Pan oceanic Environmental… … Wikipedia
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
John R. Pierce — Infobox Person name = John Robinson Pierce image size = caption = John Robinson Pierce birth name = birth date = March 27, 1910 birth place = Iowa, death date = April 2, 2002 death place = Sunnyvale, California death cause = resting place =… … Wikipedia
solar flare — Astron. flare (def. 22). [1935 40] * * * Sudden intense brightening of a small part of the Sun s surface, often near a sunspot group. Flares develop in a few minutes and may last several hours, releasing intense X rays and streams of energetic… … Universalium
Explorer 52 — was a US satellite launched on June 3, 1974 from Vandenberg Air Force Base on a Scout booster.This satellite was also known as:* Hawkeye 1 * IE D * Injun 6 * Injun F * Neutral Point Explorer * 07325 The primary mission objective of Hawkeye 1… … Wikipedia
KT66 — is the designator for a vacuum tube introduced by Marconi Osram Valve Co. Ltd. (M OV) of Britain in 1937.The KT66 is the direct descendant of the Harries Valve developed by British engineer J. Owen Harries and marketed by the Hivac Co. Ltd. in… … Wikipedia
6L6 — is the designator for a vacuum tube introduced by Radio Corporation of America in July 1936. At the time Philips had already developed and patented power pentode designs, which were fast replacing power triodes due to their greater efficiency.… … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium