thermal focal spot of an X-ray tube

См. также в других словарях:

• X-ray tube — An X ray tube is a vacuum tube that produces X rays. They are used in X ray machines. X rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X ray tubes evolved from experimental… …   Wikipedia

• термическое фокусное пятно рентгеновской трубки — Кольцевая область расположения действительного фокусного пятна на мишени вращающегося анода рентгеновской трубки. [ГОСТ 20337 74] Тематики рентгеновские приборы EN thermal focal spot of an X ray tube DE thermischer Brennfleck der Röntgenröhre …   Справочник технического переводчика

• optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …   Universalium

• 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

• Luna 3 — LunarOrbiter Name=Luna 3 Organization=USSR Contractors=OKB 1 MissionType=Planetary Science Lunar Flyby LaunchDate=October 4, 1959 at 00:43:39.7 UTC LaunchVehicle=SS 6/R 7 (8K72) MissionHighlight=Lunar flyby October 6, 1959, 14:16 UTC at distance… …   Wikipedia

• Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium

• 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

• Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …   Wikipedia

• India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …   Universalium

• Digital versus film photography — has been a topic of debate since the invention of digital cameras towards the end of the 20th Century. Both digital and film photography have advantages and drawbacks.[1][2] 21st century photography is dominated by digital operation, but the… …   Wikipedia