共 50 条
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- [46] METHOD OF DETERMINATION OF INCORPORATIONS OF IMPURITIES INTO POLYCRYSTALLINE FERRITES INDUSTRIAL LABORATORY, 1971, 37 (10): : 1501 - &
- [47] THE DETERMINATION OF IMPURITIES IN COPPER OXIDE BY A SPECTRAL METHOD INDUSTRIAL LABORATORY, 1961, 27 (07): : 847 - 848
- [49] CHEMICOSPECTRAL METHOD FOR THE DETERMINATION OF IMPURITIES IN PURE ARSENIC INDUSTRIAL LABORATORY, 1964, 30 (01): : 43 - 44