Concept information
Preferred term
Definition
- 热值是某一物质每单位质量完全燃烧所产生的热量。热值是用来表示燃料的能量值,通常是用每千克兆焦耳来表示。它们也可用来测量食品的能量值,即当食物在体内氧化所产生的能源,这里的单位是每克千焦。热值使用爆炸量热器(仪器有强大的容器,样品是用过量氧气密封而成,以电动方式点燃,导致的温度上升可计算出定容燃烧热量)来测量。
Broader concept
Belongs to group
Belongs to array
- ENERGY (en)
- gemet:groupCollection (gemet)
- gemet:superGroupCollection (gemet)
- HUMAN ACTIVITIES AND PRODUCTS, EFFECTS ON THE ENVIRONMENT (en)
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