- parallel-beam radiation
- 平行光束辐射
Atmospheric Sciences (English-Chinese) dictionary. 2014.
parallel-beam radiation
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radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
Beam emittance — The beam emittance of a particle accelerator is the extent occupied by the particles of the beam in space and momentum phase space as it travels. A low emittance particle beam is a beam where the particles are confined to a small distance and… … Wikipedia
beam — /bim / (say beem) noun 1. a thick, long piece of timber, shaped for structural use. 2. a similar piece of metal, stone, etc. 3. Building Trades one of the main horizontal supporting members in a building or the like, as for supporting a roof or… …
beam — 1. Any bar whose curvature changes under load; in dentistry, frequently used instead of “bar.” 2. A collimated emission of light or other radiation, such as an x ray b.. [O.H.G. Boum] Balkan b. SYN: Balkan frame. cantilever b. in dentistry, a b.… … Medical dictionary
beam — [[t]bim[/t]] n. 1) bui any of various relatively long pieces of metal, wood, etc., used esp. as rigid members or parts of structures or machines 2) bui a horizontal bearing member, as a joist or lintel, or a transverse supporting structural… … From formal English to slang
electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… … Universalium
Synchrotron radiation — This article concerns the physical phenomenon of synchrotron radiation. For details on the production of this radiation and applications in laboratories, see Synchrotron light source. The electromagnetic radiation emitted when charged particles… … Wikipedia
External beam radiotherapy — otherwise known as teletherapy, is the most frequently used form of radiotherapy. The patient sits or lies on a couch and an external source of radiation is pointed at a particular part of the body. Kilovoltage (also known as Superficial or Deep) … Wikipedia
Bonnor beam — In general relativity, the Bonnor beam is an exact solution which models an infinitely long, straight beam of light. It is an explicit example of a pp wave spacetime.The Bonnor beam is obtained by matching together two regions:* a uniform plane… … Wikipedia
Electron beam lithography — (often abbreviated as e beam lithography) is the practice of scanning a beam of electrons in a patterned fashion across a surface covered with a film (called the resist),cite book |last= McCord |first=M. A. |coauthors=M. J. Rooks |title=… … Wikipedia
electron beam — noun a group of nearly parallel lines of electromagnetic radiation • Syn: ↑beam, ↑ray • Derivationally related forms: ↑ray (for: ↑ray) • Hypernyms: ↑electromagnetic ra … Useful english dictionary
