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limit of efficiency

См. также в других словарях:

  • Efficiency (statistics) — In statistics, efficiency is one measure of desirability of an estimator.The efficiency of an unbiased statistic T is defined as:e(T)=frac{1/mathcal{I}( heta)}{mathrm{var}(T)}where mathcal{I}( heta) is the Fisher information of the sample.Thus… …   Wikipedia

  • limit — A boundary or end. [L. limes, boundary] critical l. the upper or lower boundary of a laboratory test result that indicates a life threatening value. elastic l. the greatest stress to which a material may be subjected and still be capable of… …   Medical dictionary

  • Energy efficiency in British housing — Domestic housing in the United Kingdom presents one of the major opportunities for achieving the 20% overall cut in UK carbon dioxide emissions targeted by the Government for 2010.Carbon emissionsAlthough carbon emissions from housing have… …   Wikipedia

  • Energy conversion efficiency — Output energy is always lower than input energy …   Wikipedia

  • Volumetric efficiency — in internal combustion engine design refers to the efficiency with which the engine can move the charge into and out of the cylinders. More correctly, volumetric efficiency is a ratio (or percentage) of what volume of fuel and air actually enters …   Wikipedia

  • Thermal efficiency — In thermodynamics, the thermal efficiency (eta {th} ,) is a dimensionless performance measure of a thermal device such as an internal combustion engine, a boiler, or a furnace, for example. The input, Q {in} ,, to the device is heat, or the heat… …   Wikipedia

  • Algorithmic efficiency — In computer science, efficiency is used to describe properties of an algorithm relating to how much of various types of resources it consumes. Algorithmic efficiency can be thought of as analogous to engineering productivity for a repeating or… …   Wikipedia

  • Speed limit — For a discussion of the maximum speed possible in the universe, see speed of light and special relativity. A road speed limit is the maximum speed allowed by law for road vehicles. Speed limits are commonly set and enforced by the legislative… …   Wikipedia

  • Economic Efficiency — A broad term that implies an economic state in which every resource is optimally allocated to serve each person in the best way while minimizing waste and inefficiency. When an economy is economically efficient, any changes made to assist one… …   Investment dictionary

  • Chu-Harrington limit — The Chu Harrington limit or Chu limit sets a lower limit on the Q factor for a small radio antenna. The definition of a small antenna is one that can fit inside a sphere . For a small antenna the Q is proportional to the reciprocal of the volume… …   Wikipedia

  • Operational Efficiency — A market condition that exists when participants can execute transactions and receive services at a price that equates fairly to the actual costs required to provide them. An operationally efficient market allows investors to make transactions… …   Investment dictionary

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