background measurement


background measurement
исходные измерения, базовые измерения

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базовые измерения
исходные измерения

Англо-русский словарь по экологии. 2011.

Смотреть что такое "background measurement" в других словарях:

  • background — ack ground , n. [Back, a. + ground.] [1913 Webster] 1. Ground in the rear or behind, or in the distance, as opposed to the {foreground}, or the ground in front. [1913 Webster] 2. (Paint.) The space which is behind and subordinate to a portrait… …   The Collaborative International Dictionary of English

  • Background extinction rate — Background extinction rate, also known as ‘normal extinction rate’, refers to the standard rate of extinction in earth’s geological and biological history before humans became a primary contributor to extinctions. This is primarily the pre human… …   Wikipedia

  • Measurement and Signature Intelligence — Measurement and Signature Intelligence, or MASINT, refers to intelligence gathering activities that bring together disparate elements that do not fit within the definitions of the major disciplines mentioned above. As a means of collecting… …   Wikipedia

  • Measurement and signature intelligence — (MASINT) is a branch of intelligence gathering activities. MASINT, may have aspects of intelligence analysis management, since certain aspects of MASINT, such as the analysis of electromagnetic radiation received by signals intelligence are more… …   Wikipedia

  • Background count — Background count, in radioactivity measurements, is the base level radiation count which is subtracted from the measurement being taken.Various sources may contribute to the background count: cosmic rays, natural radioactivity in the environment… …   Wikipedia

  • Background Radiation Equivalent Time — Background Radiation Equivalent Time, or BRET, is a unit of measurement of radiation dosage. One BRET is the equivalent of one day worth of exposure to background radiation.BRET values range from 2 BRET for a dental x ray to around 400 for a… …   Wikipedia

  • Background radiation — This article is about ionizing radiation. For microwave background radiation from space, see Cosmic background radiation and cosmic background. Thermal radiation emitted by Earth is not considered in this category because it is not ionizing.… …   Wikipedia

  • Measurement uncertainty — In metrology, measurement uncertainty is a non negative parameter characterizing the dispersion of the values attributed to a measured quantity. The uncertainty has a probabilistic basis and reflects incomplete knowledge of the quantity. All… …   Wikipedia

  • Measurement in quantum mechanics — Quantum mechanics Uncertainty principle …   Wikipedia

  • Background (astronomy) — In astronomy, background commonly refers to the incoming light from an apparently empty part of the night sky. Even if no visible astronomical objects are present in given part of the sky, there always is some low luminosity present, due mostly… …   Wikipedia

  • background count — /bækgraʊnd ˈkaʊnt/ (say bakgrownd kownt) noun the measurement of radiations resulting from naturally occurring radioactivity and cosmic rays, etc., as opposed to the radiations from some particular agency being examined …   Australian English dictionary

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