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Упит dcterms_creator_txt:Milorad Stojanović

211 items

  • Maturation and isotopic changes of individual hydrocarbons in lignite lithotypes through diagenesis and early catagenesis

    Ivan Kojić, Achim Bechtel, Reinhard Sachsenhofer, Dragana Životić, Ksenija Stojanović (2019)
    ... hydrocarbons in lignite lithotypes through diagenesis and early catagenesis Ivan Kojić, Achim Bechtel, Reinhard Sachsenhofer, Dragana Životić, Ksenija Stojanović Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Maturation and isotopic changes of individual hydrocarbons ...
    ... hydrocarbons in lignite lithotypes through diagenesis and early catagenesis | Ivan Kojić, Achim Bechtel, Reinhard Sachsenhofer, Dragana Životić, Ksenija Stojanović | 29th International Meeting on Ogranic Geochemistry, 1-6 September 2019, Gothenburg, Sweden | 2019 | | http://dr.rgf.bg.ac.rs/s/repo/item/0005740 ...
    ... INDIVIDUAL HYDROCARBONS IN LIGNITE LITHOTYPES THROUGH DIAGENESIS AND EARLY CATAGENESIS L Које!, А. Bechtel", R_F. Sachsenhofer", D. Životić!, К. Stojanović! 1University ог Belgrađe, Serbia, Montanuniversitat Leoben, Austria Маћицу changes ог biomarkers and аготанс hydrocarbons, as well as changes ...

  • Thermal evolution of cation distribution/crystallite size and their correlation with the magnetic state of Yb-substituted zinc ferrite nanoparticles

    Vučinić-Vasić Milica, Bozin Emil S., Bessais Lotfi, Stojanović Goran, Kozmidis-Luburić Uranija, Abeykoon Milinda, Jancar Bostjan, Meden Anton, Kremenović Aleksandar, Antić Bratislav (2013)

  • Studying of Liquid Thermolysis Products of Various Types of Immature Kerogen in Sedimentary Lacustrine Rocks from the Valjevo-Mionica Basin, Serbia, and the Effect of Pt4+ and Ru3+ Ions on Their Yield and the Hydrocarbon Composition

    Šajnović Aleksandra, Stojanović Ksenija, Simić Vladimir, Pevneva Galina S., Golovko Anatoly K., Jovančićević Branimir (2011)

  • Reciklaža i ponovna upotreba flotacijske jalovine rudnika „Rudnik“ u cilju osvajanja tehnoloških postupaka prerade sekundarnih sirovina u Srbiji – projekat iz programa Prizma (2024-2026) - REASONING

    Dragan S. Radulović, Jovica Stojanović, Grozdanaka Bogdanović, Vladimir Simić, Milena Kostović, Vladimir Jovanović, Dejan Todorović, Branislav Ivošević (2023)
    Velike količine flotacijske jalovine stvaraju se u Srbiji (preko 20 Mt), kao i u svetu (20.000-25.000 Mt). Zbog zaostalih teških metala (Pb, Cu, Fe i Zn...) ona predstavlja potencijalno opasni otpad koji bi trebalo zbog vrednosti plemenitih i obojenih metala u njoj reciklirati. Na Rudniku „Rudnik“ svake godine se generiše oko 250.000 t, flotacijske jalovine, od 1953. god. oko 11 Mt. Naučno istraživačkim radom i obavljenim ispitivanjima u okviru Projekta-REASONING (2024.-2026.) dobiće se rezultati i osvojiće se nova inovativna rešenja ...

  • Effects of bentonite binder dosage on the properties of green limestone pellets

    Vladimir Jovanović, Dinko Knežević, Živko Sekulić, Milan Kragović, Jovica Stojanović, Slavica Mihajlović, Dragana Nišić, Dragan Radulović, Branislav Ivošević, Milan Petrov (2016)
    This paper presents the results of tests carried out to determine how the dosage of bentonite added as binder, affects the properties of green pellets made of the limestone fines that originate from Lithothamnium limestone processing. Bentonite was added to limestone in different mass fractions (1, 2.5, 5 and 10%), whereas all the other parameters of the pelletizing process remained constant. The aim of pelletizing was to consolidate limestone fines and form mechanically stable pellets, provided that all the ...
    Lithothamnium limestone, bentonite, pelletizing, pelletizing plate, green pellet testing

  • Micro- to nanoscale textures of gold in arsenopyrite and scorodite from the As-Au-Bi assemblage of Drenjak locality (Serbia)

    Ivana Jelić, Janez Zavašnik, Marina Lazarov, Alena Zdravković, Sabina Kovač, Jovica Stojanović, Aleksandar Pačevski (2023)
    Arsenopyrite and pyrite are important carriers of Au that is present in the form of microscopic and “invisible” gold. Such gold can be expected to be released upon the process of oxidation of these sulfides. In studied gold mineralization at Drenjak, related to the granitoids of the Oligocene-Miocene Kopaonik Ore District, the main arsenopyrite-pyrite-(bismuthinite) sulfide assemblage was formed in the quartz bodies and partly replaced by scorodite (FeAsO4·2H2O) and Bi-arsenate. With only up to 5 ppm of gold recorded ...
    Economic Geology, Geochemistry and Petrology, Geology

  • Molecular and Isotope Composition of Biomarkers in Immature Oil Shale and its Liquid Pyrolysis Products (Open and Closed System)

    Gordana Gajica, Aleksandra Šajnovic, Jan Schwarzbauer, Aleksandar Kostić, Branimir Jovančićević, Ksenija Stojanović (2021)
    The molecular and isotopic composition of biomarkers in initial bitumen isolated from raw immature oil shale samples from the Lower Miocene Aleksinac Basin (Serbia) and liquid products (LPs) obtained by pyrolysis in open (OS) and closed systems (CS) are studied. The influence of pyrolysis type and variations of kerogen type on biomarkers composition and their isotopic signatures in LPs is determined. The molecular composition of the LPs from the OS pyrolysis is very similar to those in initial bitumen, independently ...
    ... Pyrolysis Products (Open and Closed System) Gordana Gajica, Aleksandra Šajnovic, Jan Schwarzbauer, Aleksandar Kostić, Branimir Jovančićević, Ksenija Stojanović Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Molecular and Isotope Composition of Biomarkers in Immature ...
    ... Pyrolysis Products (Open and Closed System) | Gordana Gajica, Aleksandra Šajnovic, Jan Schwarzbauer, Aleksandar Kostić, Branimir Jovančićević, Ksenija Stojanović | 30th International Meeting on Organic Geochemistry (IMOG 2021) | 2021 | | 10.3997/2214-4609.202134040 http://dr.rgf.bg.ac.rs/s/repo/item/0005555 ...
    ... having different maturity and particularly of liquid products obtained by different system pyrolysis. References Gajica, G., Šajnović, A., Stojanović, K., Kostić, A., Slipper, I., Antonijević, M., Nytoft, H.P., Jovančićević, B., 2017. Oil Shale 34, 197–218. Larter, S.R., Solli, H., Douglas, ...

  • Synthesis, characterization, biomolecular interactions, molecular docking, and in vitro and in vivo anticancer activities of novel ruthenium(III) Schiff base complexes

    Milica Međedović, Aleksandar Mijatović, Rada Baošić, Dejan Lazić, Žiko Milanović, Zoran Marković, Jelena Milovanović, Dragana Arsenijević, Bojana Stojanović, Miloš Arsenijević, Marija Milovanović, Biljana Petrović, Ana Rilak Simović (2023)
    In order to discover new anticancer drugs, novel ruthenium(III) complexes [Ru(L)Cl(H2O)], where L is tetradentate Schiff base bis(acetylacetone)ethylendiimine (acacen, 1), bis(benzoylacetone)ethylendiimine (bzacen, 2), (acetylacetone)(benzoylaceton)ethylendiimine (acacbzacen, 3), bis(acetylacetone)propylendiimine (acacpn, 4), bis(benzoylacetone)propylendiimine (bzacpn, 5) or (acetylacetone)(benzoylaceton)propylendiimine (acacbzacpn, 6), were synthesized. The complexes 1 – 6 were characterized by elemental analysis, molar conductometry, and by various spectroscopic techniques, such as UV–Vis, IR, EPR, and ESI-MS. Based on in vitro DNA/BSA experiments, complexes 2 (bzacen) and 5 (bzacpn) with two aromatic rings showed ...
    Inorganic Chemistry, Biochemistry

  • Project REASONING: Characterization and technological procedures for recycling and reusing of the rudnik mine flotation tailings

    Vesna Cvetkov, Vladimir Simić, Stefan Petrović, Filip Arnaut, Milena Kostović, Dragan Radulović, Jovica Stojanović, Vladimir Jovanović, Dejan Todorović, Nina Nikolić, Jelena Senćanski, Grozdanka Bogdanović, Dragana Marilović (2024)

  • Model upravljanja investicionim projektima otvaranja površinskih kopova uglja

    Cvjetko P. Stojanović (2015-04-27)
    Brze promene u okruženju pred rukovodioce postavljaju mnogobrojne zahteve,pre svega, one koji se tiču ostvarenja ciljeva u zadatom vremenu i raspoloživimsredstvima što zahteva fleksibilan pristup u organizovanju aktivnosti i efikasnost unjihovom sprovođenju.Upravljanje projektima, bilo koje vrste, suštinski, predstavlja veoma složenproces odlučivanja uslovljen velikim brojem ulaznih faktora. Ti faktori treba daomoguće fokusiranje na prioritete i ciljeve, praćenje realizacije, fleksibilnost uprevazilaženju teškoća, prilagođavanje promenama, te kontrolu nad ostvarenimrezultatima. Ovakav način upravljanja zahteva korišćenje proverenih tehnika i alata tetimski rad angažovanih na ...
    Projekat, upravljanje, metodologija, površinska eksploatacija, model

  • Model upravljanja investicionim projektima otvaranja površinskih kopova uglja

    Cvjetko P. Stojanović (2015-04-27)
    Brze promene u okruženju pred rukovodioce postavljaju mnogobrojne zahteve,pre svega, one koji se tiču ostvarenja ciljeva u zadatom vremenu i raspoloživimsredstvima što zahteva fleksibilan pristup u organizovanju aktivnosti i efikasnost unjihovom sprovođenju.Upravljanje projektima, bilo koje vrste, suštinski, predstavlja veoma složenproces odlučivanja uslovljen velikim brojem ulaznih faktora. Ti faktori treba daomoguće fokusiranje na prioritete i ciljeve, praćenje realizacije, fleksibilnost uprevazilaženju teškoća, prilagođavanje promenama, te kontrolu nad ostvarenimrezultatima. Ovakav način upravljanja zahteva korišćenje proverenih tehnika i alata tetimski rad angažovanih na ...
    Projekat, upravljanje, metodologija, površinska eksploatacija, model

  • The Potential of Biomarkers to Distinguish Lower and Middle Miocene Lignites from the Coal-Mining District of Lusatia

    I. Kojic, J. Kus, D. Zivotic, K. Stojanovic (2021)
    ... Nytoft, H.P., Kildahl-Andersen, G., Lindström, S., Rise, F., Bechtel, A., Mitrović, D., Đoković, N., Životić, D., Stojanović, K., 2019. Organic Geochemistry 129, 14–23. Stojanović, K., Životić, D., 2013. International Journal of Coal Geology 107, 3–23. ...
    ... input of aquatic macrophytes and ferns is also evident. The degrees of aromatization of diterpenoids and non-hopanoid pentacyclic triterpenoids (Stojanović and Životić, 2013) are generally low in all samples consistent with stable water-level during peatification, signifying reducing conditions in ...

  • Пројекат ПРИЗМА: Карактеризација и технолошки поступци за рециклажу и поновну употребу флотацијске јаловине рудника „Рудник“

    Владимир Симић, Стефан Петровић, Филип Арнаут, Весна Цветков, Милена Костовић, Драган Радуловић, Јовица Стојановић, Владимир Јовановић, Дејан Тодоровић, Нина Николић, Јелена Сенћански, Грозданка Богдановић, Драгана Мариловић (2024)
    Prizma, REASONING, Rudnik, jalovina, Fond za nauku Republike Srbije

  • Revizija mineraloške karakterizacije antičkih gema primenom nedestruktivnih mineraloških instrumentalnih metoda,

    Zdravković Alena, Ignjatović Milorad (2018)

  • Tectono-lithostratigraphic model of the Northern Banat Miocene sediments (Pannonian Basin, Serbia)

    Dejan Radivojević, Ljupko Rundić (2017)
    ... 39–60. STOJANOVIĆ, K., JOVANČIĆEVIĆ, B., VITOROVIĆ, D., GOLOVKO, Y., PEVNEVA, G. & GOLOVKO, A. (2007): Evaluation of saturated and aromatic hydrocarbons oil–oil maturity correlation parameters (SE Pannonian Basin, Serbia). J. Serb. Chem. Soc., 72/12, 1237–1254. ŠOLEVIĆ, T., STOJANOVIĆ, K., BOJE ...
    ... amount of high quality data. At the other side, still there are very limited amount of published papers with couple of exceptions in last decade (STOJANOVIĆ et al., 2007, JELENKOVIĆ et al., 2008, ŠOLEVIĆ et al., 2008, RADIVOJEVIĆ et al., 2010, PIGOTT & RADIVOJEVIĆ, 2010, MATENCO & RADIVOJEVIĆ 2012, ...

  • Phytoecological analysis of primary and secondary colonization on copper mine wastes (Bor, Serbia)

    Ranđelović Dragana, Jovanović Slobodan (2013)

  • The use of biological markers in determination of origin and type of organic matter in the Tisza river sediments

    Snežana Štrbac, Gordana Gajica, Aleksandra Šajnović, Nebojša Vasić, Ksenija Stojanović, Branimir Jovančićević (2013)
    The objective of the study was to determine the origin and type of organic matter (OM) of the Tisza recent sediments along the distance of 153 km through the territory of Serbia. For this purpose group organic-geochemical parameters and biomarker compositions were used. All samples contain approximately same amount of OM, which was deposited under uniform, slightly reducing conditions. Based on the distribution of n-alkanes, the origin and type of OM could not be precisely estimated. However, n-alkane patterns ...
    sediments, Tisza River, organic matter, biomarkers, oil pollutants
    ... n of origin and type of organic matter in the Tisza river sediments Snežana Štrbac, Gordana Gajica, Aleksandra Šajnović, Nebojša Vasić, Ksenija Stojanović, Branimir Jovančićević Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] The use of biological markers ...
    ... of origin and type of organic matter in the Tisza river sediments | Snežana Štrbac, Gordana Gajica, Aleksandra Šajnović, Nebojša Vasić, Ksenija Stojanović, Branimir Jovančićević | Journal of Serbian Chemical Society | 2013 | | 10.2298/JSC130614087S http://dr.rgf.bg.ac.rs/s/repo/item/0002360 Дигитални ...
    ... И ТИПА ОРГАНСКE СУПСТАНЦЕ У СЕДИМЕТИМА РЕКЕ ТИСЕ СНЕЖАНА ШТРБАЦ 1 , ГОРДАНА ГАЈИЦА 2 , АЛЕКСАНДРА ШАЈНОВИЋ 2 , НЕБОЈША ВАСИЋ 3 , КСЕНИЈА СТОЈАНОВИЋ 4 и БРАНИМИР ЈОВАНЧИЋЕВИЋ 4 1Факултет заштите животне средине, Универзитет ЕДУКОНС, Војводе Путника 87, 21207 Сремска Каменица, 2Центар за ...

  • Енергетска транзиција система даљинског грејања - могућности и изазови

    Марија Живковић, Дејан Ивезић (2023)
    Највише енергије у зградама у Србији троши се на загревање простора. Због тога ће системи даљинског грејања имати важну улогу у процесу транзиције целокупног енергетског сектора. Мере и активности морају да буду усмерене и на потрошњу и производњу енергије. У раду је дат преглед потенцијала различитих обновљивих и алтернативних извора енергије, који се могу користити за производњу топлотне енергије. Приказани резултати су приказани са различитим нивоом детаљности, у зависности од расположивих података, а који могу да служе као ...
    системи даљинског грејања, транзиција, обновљиви извори енергије, потенцијали

  • Properties of fly ash and slag from the power plants

    Miloš Šešlija, Aleksandra Rosić, Nebojša Radović, Milinko Vasić, Mitar Đogo, Milovan Jotić (2016)
    This paper describes the physical, chemical and mineral properties of ash and slag, which were taken from thermal power plants Nikola Tesla A, Nikola Tesla B, Kostolac A and Kostolac B. The knowledge of the mineralogical material composition is important because the type of minerals directly determines the properties of the fly ash and slag and their possible application. Laboratory tests showed that ash and slag samples consist of the following minerals: amorphous materials, quartz, feldspar, mullite, melilite, cristobalite, ...
    fly ash, slag, physical composition, chemical composition, mineral composition, X-ray diffraction method
    ... , OBRADOVIĆ, M. & STOJANOVIĆ, K. (2015): Reprint of „Petrological and or- ganic geochemical properties of lignite from the Kolubara and Kostolac basins, Serbia: Implication on Grindability Index”.– International Journal of Coal Geo- logy, 157, 165–183. ŽIVOTIĆ, D., STOJANOVIĆ, K., GRŽETIĆ, I., J ...
    ... basin (Fig. 3). The Drmno and Ćirikovac fields are ex- ploited, while the Smederevsko Podunavlje field is still under pre- liminary exploration (STOJANOVIĆ et al., 2012). 3. GEOLOGY The area of the Kolubara basin consists of Palaeozoic, Mesozoic, Tertiary and Quaternary rocks (Fig. 4) (ŽIVOTIĆ et ...
    ... Pontian se- ries is between 250 and 320m. The basement of the Kostolac basin consists of Devonian crystalline rocks overlain by Neogene sediments (STOJANOVIĆ et al., 2012) (Fig. 3). The fresh water clastic coal-bearing series of the Kostolac basin is also of Upper Miocene (Pontian) age and hosts five ...

  • Anisotropic grossular–andradite garnets: Evidence of two stage skarn evolution from Rudnik, Central Serbia

    Bojan Kostić, Danica Srećković-Batoćanin, Petyo Filipov, Pavle Tančić, Kristijan Sokol (2021)
    This paper presents LA-ICP-MS data for garnets from the Rudnik skarn deposit (Serbia), which range from Grs45–58Adr40–52Alm2–3 in the core and Adr70–97Grs2–29Sps1 in the rim displaying anisotropy and zoning. In spite of wide compositional variations the garnets near the end-member of andradite (Adr > 90) are generally isotropic. Fe-rich rims exhibit LREE depletion and flat HREE pattern with weak negative Eu anomaly, including higher As and W contents. On the other side, the Fe-poorer core shows flat REE pattern ...
    grandite, garnets, skarn, Rudnik
    ... δS34 = +3.1 ± 0.3 ‰ for sphalerite, +3.0 ‰ for pyrrhotite, and +3.3 ± 0.6 ‰ for chalcopyrite (see Stojanović et al. 2018). Colloform bands composed of pyrite, pyrrhotite and siderite (Stojanović et al. 2018) can be attributed to hydrothermal pulse with magmatic origin interpretation. Conclusion ...
    ... polymetallic Pb–Zn mineralization. The ore bodies are predominantly composed of pyrrhotite, galenite, sphalerite, chalcopyrite and arsenopyrite (Stojanović et al. Fig. 1. a — Simplified geological map of Rudnik area modified according to the Basic geological Map 1:100,000, Sheets Kragujevac (Brković ...
    ... CENTRAL SERBIA GEOLOGICA CARPATHICA, 2021, 72, 1, 17–25 2018). A small amount of magnetite, cassiterite and scheelite can be found only locally (Stojanović et al. 2018). Within the south part of the Rudnik skarn deposit, lateral zoning in contact aureole is weakly displayed and closely related to ...