- background level
- the usual intensity of a chemical or other stimulus in the environment.
Medical dictionary. 2011.
Medical dictionary. 2011.
Background level — can refer to: *Background (astronomy) *Background radiation *Journalism sourcing … Wikipedia
background level — foninė požeminio vandens teršalų koncentracija statusas Aprobuotas sritis vanduo apibrėžtis Teršalo, teršalų grupės koncentracija nepakitusiame ar dėl žmogaus veiklos nereikšmingai pakitusiame požeminiame vandenyje arba tokio vandens taršos… … Lithuanian dictionary (lietuvių žodynas)
background level — noun the amplitude level of the undesired background noise • Syn: ↑noise level • Hypernyms: ↑amplitude … Useful english dictionary
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 — 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 — ► NOUN 1) part of a scene or description that forms a setting for the main figures or events. 2) information or circumstances that influence or explain something. 3) a person s education, experience, and social circumstances. 4) a persistent low… … English terms dictionary
background heating — noun Heating which provides a low level of warmth but requires supplementing for complete comfort • • • Main Entry: ↑back … Useful english dictionary
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
Background check — A background check or background investigation is the process of looking up and compiling criminal records, commercial records and financial records (in certain instances such as employment screening) of an individual. Background checks are often … Wikipedia
Level 42 — Infobox musical artist 2 Name = Level 42 Img capt = Level 42 in 1988: The Late Alan Murphy (Guitar), Mike Lindup (Keyboards/Vocals), Mark King (Bass/Vocals), Gary Husband (Drums). Background = group or band Origin = Isle of Wight, England… … Wikipedia