Include your e-mail if you'd like us to get back to you.
We've received your feedback, thank you!
monokromaatilise 540 × 1012 Hz sagedusega kiirguse mõjususe Kcd leppeliselt kinnistatud väärtus on 683 lm/W, conventional fixed value of the luminous effecacy Kcd of monochromatic radiation of frequency 540 × 1012 Hz is 683 lm/W
luminous efficacy of monochromatic radiation . Metroloogia terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mea/luminous%20efficacy%20of%20monochromatic%20radiation/1/eng (03.08.2026)