標題: ASTM B 890-2002X光射線熒光光譜儀確定鎢合金和硬性鎢合金... [打印本頁] 作者: 兌水 時間: 2009-9-15 14:04 標題: ASTM B 890-2002X光射線熒光光譜儀確定鎢合金和硬性鎢合金... B890-02 Standard Test Method for Determination of Metallic Constituents of Tungsten Alloys and Tungsten Hardmetals by X-Ray Fluorescence Spectrometry