Home > Term: opacity
opacity
Amount of light obscured by particulate pollution in the air. Evaluation of smoke density is based on opacity according to the Ringelmann chart.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Environment
- Category: Environment statistics
- Company: United Nations
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ผู้สร้าง
- J.Small
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