Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Pavlović Mirjana S."'
Publikováno v:
Archives of Biological Sciences, Vol 66, Iss 1, Pp 273-284 (2014)
Desorption of metals K, Al, Ca, Mg, Fe, Ba, Zn, Mn, Cu and Sr from Cetraria islandica (L.) with solutions whose composition was similar to that of acid rain, was investigated. Desorption of metals from the lichen was performed by five successive d
Externí odkaz:
https://doaj.org/article/3798e4e799914c4ab1a344a6ca2776ff
Publikováno v:
Journal of the Serbian Chemical Society, Vol 73, Iss 4, Pp 405-413 (2008)
Extraction of metals (K, Al, Ca, Mg, Fe, Cu, Ba, Zn, Mn and Sr) from dry Cetraria islandica (L.) Ach. lichen was performed using solutions similar to acid rain (solution A H2SO4-HNO3-(NH4)2SO4 and solution B H2SO4- -HNO3-(NH4)2SO4-NH4NO3). The pH val
Externí odkaz:
https://doaj.org/article/5052b813eea54e08b54f79c4d5594568
Publikováno v:
Journal of the Serbian Chemical Society, Vol 73, Iss 4, Pp 453-461 (2008)
Geochemical analyses of Zn, Pb and rare earth elements (La, Ce, Nd, Sm, Eu, Tb, Yb and Lu) in the kerogen of the black marl at the Cretaceous - Paleogene boundary Fish Clay at Højerup were performed. Substantial proportions of the Zn, Pb and rare ea
Externí odkaz:
https://doaj.org/article/c54aa37c6d74499b9bf8a54646e608f6
Autor:
Premović Pavle I., Todorović Bratislav Ž., Nikolić Nikola D., Pavlović Mirjana S., Đorđević Dragan M., Dulanović Dejan T.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 71, Iss 6, Pp 639-659 (2006)
The Cretaceus-Tertiary (KT) boundary at Stevns Klint (the Højerup succession), Fiskeler, consists of a thin red clay layer overlain by a thick one of black marl. These two layers are made up mainly from cheto-smectite and biogenic calcite. The black
Externí odkaz:
https://doaj.org/article/8387290c9dfe43ac83fa4b670107bf21
Autor:
Premović Pavle I., Krsmanović Milena M., Todorović Bratislav Z., Pavlović Mirjana S., Nikolić Nikola D., Đorđević Dragan M.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 71, Iss 7, Pp 793-806 (2006)
Geochemical analyses of trace metals (Ir, Ni and Zn) in the kerogen of the black marl of the Cretaceous-Tertiary boundary succession (Fish Clay) at Stevns Klint (Højerup Church) were undertaken. The data for this kerogen were in accordance with a pr
Externí odkaz:
https://doaj.org/article/9d7df7266d274eb7a00d12ff27384bf2
Autor:
Kuzmanović Miroslav M., Savović Jelena J., Pavlović Mirjana S., Stoiljković Milovan M., Antić-Jovanović Ankica, Marinković Momir
Publikováno v:
Journal of the Serbian Chemical Society, Vol 70, Iss 8-9, Pp 1033-1040 (2005)
The current of a U-shaped argon stabilised DC arc was square modulated with a 40 Hz repetition frequency between 6 and 3 A. The delayed line intensity responses to the modulation of the arc current were investigated using calcium as a representative
Externí odkaz:
https://doaj.org/article/305a1eda91f34d3b85a816c230c4b57a
Publikováno v:
Journal of the Serbian Chemical Society, Vol 69, Iss 3, Pp 205-223 (2004)
The Cretaceous-Tertiary (KT) boundary transition at the Blake Nose Plateau recovered by ODP Leg 171B (site 1049, hole A, core 17X, section 2) contains an ejecta bed (thickness ca. 17 cm) marking a late Cretaceous asteroid impact. The nature and geoch
Externí odkaz:
https://doaj.org/article/549a08371c4b4a58b7d7094181680f2f
Publikováno v:
Journal of the Serbian Chemical Society, Vol 66, Iss 8, Pp 535-542 (2001)
Two atomizers were compared: an N2O-C2H2 flame and a stabilized U-shaped DC arc with aerosol supply. Both the high plasma temperature and the reducing atmosphere obtained by acetylene addition to the argon stream substantially increase the sensiti
Externí odkaz:
https://doaj.org/article/78cf10dc5b624323b88242da7331d9c9
Autor:
Premović Pavle I., Nikolić Nikola D., Pavlović Mirjana S., Todorović Bratislav Ž., Đorđević Dragan M., Nikolić Ružica S., Lopez Liliana, Lomonaco Salvador
Publikováno v:
Journal of the Serbian Chemical Society, Vol 66, Iss 10, Pp 647-670 (2001)
Trace metals in the four discrete layers of the Cretaceous-Tertiary boundary (Fiskeler) at Stevns Klint (Denmark) are relatively well studied, yet much remains to be learned about them. Therefore, an integrated study of the trace (meteoritic Ir, p
Externí odkaz:
https://doaj.org/article/99e6e260263e4be7b86e089eab041d39
Publikováno v:
Journal of the Serbian Chemical Society, Vol 65, Iss 2, Pp 113-121 (2000)
The thermal behavior of vanadyl porphyrins was studied by electron spin resonance during heating of kerogens, isolated from the La Luna (Venezuela) and Serpiano (Switzerland) bituminous rocks, at 250ºC for 1 to 20 days in the presence of air. Dur
Externí odkaz:
https://doaj.org/article/cf29a0b31bb64d27bd0b0623e24bc20d