actinometer
英 
美
n. 光能测定仪，曝光计；辐射计；光化强度计，光量计
化学
双语例句
- 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。
英英释义
noun
- an instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect)