出典:Wiktionary
出典:『Wiktionary』 (2026/02/25 17:59 UTC 版)
actinometer (plural actinometers)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/22 20:35 UTC 版)
Actinometers are instruments used to measure the heating power of radiation. They are used in meteorology to measure solar radiation as pyrheliometers.
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