標題: ASTM E 259-1998 半球幾何形狀壓制粉末的白色反射系數轉換標... [打印本頁] 作者: 兌水 時間: 2009-10-29 20:04 標題: ASTM E 259-1998 半球幾何形狀壓制粉末的白色反射系數轉換標... E259-98(2003) Standard Practice for Preparation of Pressed Powder White Reflectance Factor Transfer Standards for Hemispherical and Bi-Directional Geometries