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单词 Secondary energy
释义

Secondary energy

中文百科

一次能源 Primary energy

(重定向自Secondary energy)

原生能源是指从自然界开采,直接被使用的能源,又可称为"一次能源",是自然资源(如煤炭、原油、阳光、铀等)中所蕴含的未经人为转化或转换的能源。

英语百科

Primary energy 一次能源

(重定向自Secondary energy)






























World total primary energy supply of 155,505 TWh (or 13,371 Mtoe) by fuels in 2012 (IEA, 2014)[1]
  Oil (31.4%)  Coal/Peat/Shale (29.0%)  Natural Gas (21.3%)  Biofuels and waste (10.0%)  Nuclear (4.8%)  Hydro (2.4%)  Others (Renew.) (1.1%)
Primary energy outlook. Projected from 2007 (EIA, 2010)

Primary energy (PE) is an energy form found in nature that has not been subjected to any conversion or transformation process. It is energy contained in raw fuels, and other forms of energy received as input to a system. Primary energy can be non-renewable or renewable.

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更新时间:2025/6/23 7:57:51