13:15 Nov 24, 2006 |
English to Latvian translations [PRO] Tech/Engineering - Mechanics / Mech Engineering | |||||||
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| Selected response from: Inese Poga-Smith Canada Local time: 16:22 | ||||||
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Summary of answers provided | ||||
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4 | burbuļīšu tipa indikācijas ierīce |
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3 | burbuļu mērīšanas ierīce |
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burbuļu mērīšanas ierīce Explanation: vesela sērija ar patentiem atrodama internetā acīmredzot, svarīga lieta. |
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burbuļīšu tipa indikācijas ierīce Explanation: Jeb varētu teikt, burbulīšu tehnoloģijā veidota (apstarošanas parametru mērīšanas) ierīce Tas nav vienkārši līmeņrādis ar burbuli, bet, ierīce, kas digitāli novirza lāzera staru un nosaka nepieciešamo stara leņķi un nolieci plaknē, ko iespejams iestatīt automātiskai lāzera stara virzīšanai. Varbūt to pat var nosaukt par pilienu tipa detektoru un dozimetru. Abstract Detectors based on emulsions of overexpanded halocarbon droplets in tissue equivalent aqueous gels or soft polymers, known as “superheated drop detectors” or “bubble (damage) detectors”, have been used in radiation detection, dosimetry and spectrometry for over two decades. Recent technological advances have led to the introduction of several instruments for individual and area monitoring: passive integrating meters based on the optical or volumetric registration of the bubbles, and active counters detecting bubble nucleations acoustically. These advances in the instrumentation have been matched by the progress made in the production of stable and well-specified emulsions of superheated droplets. A variety of halocarbons are employed in the formulation of the detectors, and this permits a wide range of applications. In particular, halocarbons with a moderate degree of superheat, i.e. a relatively small difference between their operating temperature and boiling point, can be used in neutron dosimetry and spectrometry since they are only nucleated by energetic heavy ions such as those produced by fast neutrons. More recently, halocarbons with an elevated degree of superheat have been utilised to produce emulsions that nucleate with much smaller energy deposition and detect low linear energy transfer radiations, such as photons and electrons. This paper reviews the detector physics of superheated emulsions and their applications in radiation measurements, particularly in neutron dosimetry and spectrometry. These technologies involve closely related approaches to radiation detection in which an energetic charged particle deposits sufficient energy to initiate the process of bubble nucleation in a superheated fluid. These detectors offer complete gamma-ray insensitivity when used to detect neutrons. They also provide controllable neutron-energy thresholds and excellent position resolution. Reference: http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6T... Reference: http://www.osti.gov/energycitations/product.biblio.jsp?osti_... |
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