reference level

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• reference level — An indicator level of fishing (or stock size) to be used as a benchmark for assessment …   Fisheries — dictionary

• reference level — a particular level of an indicator, e.g. of fishing effort, fishing mortality or stock size, used as a benchmark for assessment and management performance …   Dictionary of ichthyology

• Level sensor — Level sensors are used to detect liquid level. The liquid to be measured can be inside a container or can be in its natural form (e.g. a river or a lake). The level measurement can be either continuous or point values. Continuous level sensors… …   Wikipedia

• Reference range — Reference ranges edit in: blood urine CSF feces In health related fields, a reference range or reference interval usually describes the variations of a measurement or value in healthy i …   Wikipedia

• Reference ranges for blood tests — Reference ranges edit in: blood urine CSF feces Reference ranges for blood tests are sets of values used by a health professional to interpret a set of …   Wikipedia

• Level 9 Computing — Level 9 was a British computer adventure game company which produced some of the most advanced games of the 1980s. Founded in 1981 by Michael, Nicholas and Pete Austin, the company produced about 20 games for BBC Micro, Nascom, ZX Spectrum,… …   Wikipedia

• Level — Lev el (l[e^]v [e^]l), n. [OE. level, livel, OF. livel, F. niveau, fr. L. libella level, water level, a plumb level, dim. of libra pound, measure for liquids, balance, water poise, level. Cf. {Librate}, {Libella}.] 1. A line or surface to which,… …   The Collaborative International Dictionary of English

• Level of the sea — Level Lev el (l[e^]v [e^]l), n. [OE. level, livel, OF. livel, F. niveau, fr. L. libella level, water level, a plumb level, dim. of libra pound, measure for liquids, balance, water poise, level. Cf. {Librate}, {Libella}.] 1. A line or surface to… …   The Collaborative International Dictionary of English

• Level of service — (LOS) is a measure of effectiveness by which traffic engineers determine the quality of service on elements of transportation infrastructure. Whilst the motorist is, in general, interested in speed of his journey, LOS is a more holistic approach …   Wikipedia

• Reference dose — A reference dose is the United States Environmental Protection Agency s maximum acceptable oral dose of a toxic substance. Reference doses are most commonly determined for pesticides. The EPA defines an oral reference dose (abbreviated RfD) as:… …   Wikipedia

• Reference counting — In computer science, reference counting is a technique of storing the number of references, pointers, or handles to a resource such as an object or block of memory. It is typically used as a means of deallocating objects which are no longer… …   Wikipedia