actinometer

N เครื่องมือวัด ความ เข้มข้น ของ การแผ่รังสี  kruang-mue-wad-kwam-kem-kon-kong-kan-pea-rang-si

ACTINOMETER

Ac `ti *nom "e *ter, n. Etym: [Gr. -meter ](a ) An instrument for measuring the direct heating power of the sun's rays. (b ) An instrument for measuring the actinic effect of rays of light.

actinometer

ac ti nom e ter |ˌaktəˈnämitər ˌæktəˈnɑmədər | ▶noun Physics an instrument for measuring the intensity of radiation, typically ultraviolet radiation. ORIGIN mid 19th cent.: from Greek aktis, aktin- ‘ray ’ + -meter .

actinometer

actinometer |ˌaktɪˈnɒmɪtə | ▶noun Physics an instrument for measuring the intensity of radiation, especially ultraviolet radiation. ORIGIN mid 19th cent.: from Greek aktis, aktin- ‘ray ’ + -meter .