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addition to the context of efficiency in allocation, the concept of Pareto efficiency also arises in the context of efficiency in production vs. x-inefficiency:...38 KB (5,086 words) - 22:50, 3 November 2024- engine, efficiency is defined as the ratio of useful work done to energy expended. η c = − d W − d Q h = − d Q h − d Q c − d Q h = 1 − d Q c − d Q h {\displaystyle...12 KB (2,181 words) - 09:19, 1 September 2024
- The Oswald efficiency, similar to the span efficiency, is a correction factor that represents the change in drag with lift of a three-dimensional wing...3 KB (428 words) - 14:12, 27 January 2023
- P D C T O T A L {\displaystyle \mathrm {PAE} =100\times {\frac {P_{OUT}^{RF}-P_{IN}^{RF}}{P_{DC}^{TOTAL}}}} It differs from most power efficiency descriptions...977 bytes (180 words) - 12:03, 17 May 2017
Division of Efficiency within the Civil Service Commission. Herbert D. Brown was appointed by Woodrow Wilson to head the Bureau. Efficiency, United States...2 KB (179 words) - 08:50, 6 November 2023- vehicle's fuel efficiency. The efficiency of an engine is defined as ratio of the useful work done to the heat provided. η = w o r k d o n e h e a t...28 KB (3,874 words) - 15:02, 1 October 2024
Solar-cell efficiency is the portion of energy in the form of sunlight that can be converted via photovoltaics into electricity by the solar cell. The...49 KB (5,932 words) - 07:05, 19 October 2024- In statistics, efficiency is a measure of quality of an estimator, of an experimental design, or of a hypothesis testing procedure. Essentially, a more...22 KB (3,062 words) - 02:03, 28 June 2024
In thermodynamics, the thermal efficiency ( η t h {\displaystyle \eta _{\rm {th}}} ) is a dimensionless performance measure of a device that uses thermal...22 KB (3,340 words) - 20:39, 20 October 2024
Energy conversion efficiency (η) is the ratio between the useful output of an energy conversion machine and the input, in energy terms. The input, as well...30 KB (3,018 words) - 06:36, 15 August 2024- conversion of digested food or ECD). The formula for the efficiency of food fuel is thus: E C I = A D × E C D {\displaystyle ECI=AD\times ECD\!} These concepts...2 KB (228 words) - 22:23, 27 February 2024
Efficient energy use (redirect from Electricity efficiency)Efficient energy use, or energy efficiency, is the process of reducing the amount of energy required to provide products and services. There are many technologies...61 KB (5,996 words) - 13:58, 2 October 2024- Transformation efficiency refers to the ability of a cell to take up and incorporate exogenous DNA, such as plasmids, during a process called transformation...23 KB (2,952 words) - 07:47, 19 May 2024
- The term efficiency wages (also known as "efficiency earnings") was introduced by Alfred Marshall to denote the wage per efficiency unit of labor. Marshallian...37 KB (5,153 words) - 22:03, 2 January 2024
- In a business context, operational efficiency is a measurement of resource allocation and can be defined as the ratio between an output gained from the...9 KB (1,278 words) - 07:11, 11 May 2024
- In mechanical engineering, mechanical efficiency is a dimensionless ratio that measures the efficiency of a mechanism or machine in transforming the power...3 KB (335 words) - 19:18, 14 January 2024
Fuel efficiency (or fuel economy) is a form of thermal efficiency, meaning the ratio of effort to result of a process that converts chemical potential...21 KB (2,742 words) - 02:57, 19 October 2024- The Nash–Sutcliffe model efficiency coefficient (NSE) is used to assess the predictive skill of hydrological models. It is defined as: NSE = 1 − ∑ t =...9 KB (1,291 words) - 18:43, 26 September 2024
- European Union energy label (redirect from Energy efficiency class)introduced in 2010, is based on the energy efficiency index (EEI), and has energy classes in the range A+++ to D. The EEI is a measure of the annual electricity...28 KB (3,306 words) - 23:43, 5 November 2024
- Passer rating (redirect from Passing efficiency)Passer rating (also known as passing efficiency in college football) is a measure of the performance of passers, primarily quarterbacks, in gridiron football...20 KB (2,314 words) - 04:57, 4 November 2024
- (1918) edited by Edna D. Jones Efficiency 1634035Patriotic pieces from the Great War — Efficiency1918Edna D. Jones EFFICIENCY By permission of the author
- Efficiency describes the extent to which time, effort or cost is well used for an intended task or purpose. Arranged alphabetically by author or source:
- propulsive efficiency is defined as: η p = P r o p u l s i v e W o r k D e l i v e r e d T o V e h i c l e M e c h a n i c a l W o r k G e n e r a t e d B y
