actinometer

🇬🇧/ˌæktɪˈnɒmɪtə(r)/ 🇺🇸/ˌæktəˈnɑːmətər/ 22
an instrument for measuring the intensity of radiation, esp of the sun's rays 光能测定仪

noun [专属名词][光] 化学光度计;光线强度计;[摄] 露光计

In this paper the principle of the azobenzene actinometer for the determination of light intensity was discussed.
本文叙述了用偶氮苯露光计测定光强的原理。

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