- 行业: Government
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The ratio of chemical substances necessary for a reaction to occur completely.
Industry:Energy
The ratio of energy reflected from a surface in a given waveband to the energy incident in that waveband.
Industry:Energy
The ratio of fuel energy input as heat per unit of net work output; a measure of a power plant thermal efficiency, generally expressed as Btu per net kilowatt-hour.
Industry:Energy
The ratio of heat produced by a fuel for doing work to the available heat in the fuel.
Industry:Energy
The ratio of light output of a fluorescent lamp operated on a ballast to the light output of a lamp operated on a standard or reference ballast.
Industry:Energy
The ratio of power produced by a wind energy conversion device to the power in a reference area of the free windstream.
Industry:Energy
The ratio of solar radiation captured and transferred to the collector (heat transfer) fluid.
Industry:Energy
The ratio of the average load on (or power output of) a generating unit or system to the capacity rating of the unit or system over a specified period of time.
Industry:Energy
