ASTM D7520-2013 标准详情
- 标准号:ASTM D7520-2013
- 中文标题:用于确定一缕缕的不透明度在室外大气环境标准测试方法
- 英文标题:Standard Test Method for Determining the Opacity of a Plume in the Outdoor Ambient Atmosphere
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2013
Scope 1.1 This test method describes the procedures to determine the opacity of a plume, using digital imagery and associated hardware and software. The aforementioned plume is caused by particulate matter emitted from a stationary point sourc
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