共 50 条
- [22] PREIRRADATION SEPARATIONS FOR THE ULTRATRACE ELEMENTAL CHARACTERIZATION OF HIGH-PURITY MATERIALS BY NAA JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES, 1993, 168 (02): : 471 - 476
- [23] Preparation and characterization of high-purity baicalein Beijing Huagong Daxue Xuebao (Ziran Kexueban)/Journal of Beijing University of Chemical Technology (Natural Science Edition), 2008, 35 (03): : 31 - 34
- [26] MEASUREMENT OF TRACE IMPURITIES IN HIGH-PURITY MATERIALS JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES, 1995, 191 (01): : 75 - 82
- [27] SPECTROGRAPHIC ANALYSIS OF HIGH-PURITY MATERIALS - NICKEL SPECTROCHIMICA ACTA, 1960, 16 (05): : 609 - 609
- [29] METALLURGY AND MATERIALS TECHNOLOGY OF HIGH-PURITY STEELS STAHL UND EISEN, 1994, 114 (11): : 45 - 56