MASS SPECTROMETRIC ANALYSIS OF CUCURBITACINS AND DIHYDROCUCURBITACINS FROM THE TUBER OF CITRULLUS NAUDINIANUS





Ti-Nb Mineralization of Late Carbonatites and Role of Fluids in Its Formation: Petyayan-Vara Rare-Earth Carbonatites (Vuoriyarvi Massif, Russia)

This article is devoted to the geology of titanium-rich varieties of the Petyayan-Vara rare-earth dolomitic carbonatites in Vuoriyarvi, Northwest Russia.Analogues of sequal eclipse 5 battery these varieties are present in many carbonatite complexes.The aim of this study was to investigate the behavior of high field strength elements during the late

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