ASTM E259-2006(2011) 半球和双向几何学用压制粉末反射因素传递基准的制备规程
ASTM E259-2006(2011) 标准详情
- 标准号：ASTM E259-2006(2011)
- 中文标题：半球和双向几何学用压制粉末反射因素传递基准的制备规程
- 英文标题：Standard Practice for Preparation of Pressed Powder White Reflectance Factor Transfer Standards for Hemispherical and Bi-Directional Geometries
- 标准类别：美国材料与试验协会ASTM
- 发布日期：2006
内容简介
All commercial reflectometers measure relative reflectance. The instrument reading is the reflectance factor, the ratio of the light reflected by a reference specimen to that reflected by a test specimen. That ratio is dependent on specific inst
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