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・ Power conditioner
・ Power connector
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・ Power Corporation of Canada
・ Power cost equalization
・ Power County Courthouse
・ Power County, Idaho
・ Power Couple (Indian TV series)
・ Power creep
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Power density
・ Power diagram
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・ Power dispute of 1964
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・ Power distribution unit
・ Power Dive (film)
・ Power dividers and directional couplers
・ Power domains
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Power density : ウィキペディア英語版
Power density

Power density (or ''volume power density'' or ''volume specific power'') is the amount of power (time rate of energy transfer) per unit volume.
In energy transformers including batteries, fuel cells, motors, etc., and also power supply units or similar, power density refers to a volume. It is then also called volume power density, which is expressed as W/m3.
Volume power density is sometimes an important consideration where space is constrained.
In reciprocating internal combustion engines, power density—power per swept volume—is an important metric.
==Power densities of common materials==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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