- narrow beam radiation
- 窄束辐射
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
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 — /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… …
radiation measurement — ▪ technology Introduction technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement. The term ionizing radiation refers to those… … Universalium
radiation — 1. The act or condition of diverging in all directions from a center. 2. The sending forth of light, short radio waves, ultraviolet or x rays, or any other rays for treatment or diagnosis or for other purpose. Cf.:irradiation (2). 3. SYN:… … Medical dictionary
beam — noun 1》 a long sturdy piece of squared timber or metal used horizontally in building to support a load above. ↘a narrow horizontal length of squared timber used for balancing exercises in gymnastics. 2》 a horizontal beam supporting the deck… … English new terms dictionary
beam — [[t]bi͟ːm[/t]] beams, beaming, beamed 1) VERB If you say that someone is beaming, you mean that they have a big smile on their face because they are happy, pleased, or proud about something. [WRITTEN] [V at/with n] Frances beamed at her friend… … English 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
laser beam — noun a beam of light generated by a laser • Hypernyms: ↑beam, ↑beam of light, ↑light beam, ↑ray, ↑ray of light, ↑shaft, ↑shaft of light, ↑irradiation * * * a beam of radiation produced from a laser, used in … Useful english dictionary
Sound Amplification by Stimulated Emission of Radiation — A SASER is the acoustic analogue of the laser. It is capable of producing highly coherent, concentrated beams of ultrasound, using methods very similar to those employed in the laser. Though currently only theoretical, the SASER is being… … Wikipedia
homogeneous radiation — radiation consisting of an extremely narrow band of frequencies or a beam of monoenergetic particles of a single type … Medical dictionary
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