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Black and green pigments based on chromium-cobalt spinels
(Elsevier B.V. Sa, 2011-09-15)
Chromium and cobalt oxides are widely used in the manufacture of industrial pigments. In this work, the Co(Co(2-x)Cr(x))O(4) powders with different chromium concentrations (x = 0, 0.25 and 1) were synthesized by the polymeric ...
Correlated X-ray/ultraviolet/optical variability in the very low mass AGN NGC 4395
CORRELATED X-RAY/ULTRAVIOLET/OPTICAL VARIABILITY IN THE VERY LOWMASS AGN NGC 4395
(BLACKWELL PUBLISHING ASIA, 2012)