emissivity

emissivity读音音标

英 [ˌemɪ\'sɪvɪtɪ]

美 [ˌemə\'sɪvətɪ]

emissivity意思解释

n.

发射率；

放射性；

英英释义

The emissivity of a material (usually written ε or e) is the relative ability of its surface to emit energy by radiation. It is the ratio of energy radiated by a particular material to energy radiated by a black body at the same temperature.

词组短语

surface emissivity