標題: ASTM D 6866-2006 用放射性碳和同位素比質譜測量分析測定自然... [打印本頁] 作者: 兌水 時間: 2009-10-27 20:11 標題: ASTM D 6866-2006 用放射性碳和同位素比質譜測量分析測定自然... D6866-04 Standard Test Methods for Determining the Biobased Content of Natural Range Materials Using Radiocarbon and Isotope Ratio Mass Spectrometry Analysis