Претрага
208 items
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Shallow-landslide spatial structure interpretation using a multi-geophysical approach
Ristić Aleksandar, Abolmasov Biljana, Govedarica Miro, Petrovački Dušan, Ristić Aleksandra. "Shallow-landslide spatial structure interpretation using a multi-geophysical approach" in Acta Geotechnica Slovenica 9 no. 1, Ljubljana, Slovenia:University of Maribor, University of Ljubljana, Slovenian Geotechnical Society (2012): 47-59
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Applying GPR and 2D ERT for Shallow Landslides Characterization: A Case Study.
Abolmasov Biljana, Ristić Aleksandar, Govedarica Miro. "Applying GPR and 2D ERT for Shallow Landslides Characterization: A Case Study." in Landslide Science and Practice, Volume 2: Early Warning, Instrumentation and Monitoring 2, :Springer Verlag Berlin Heidlelberg (2013): 495-502. https://doi.org/10.1007/978-3-642-31445-2_65
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Exchange-Bias and Grain-Surface Relaxations in Nanostructured NiO/Ni Induced by a Particle Size R
Kremenović Aleksandar, Jančar Boštjan, Ristić Mira, Vučinić Vasić Milica, Rogan Jelena, Pačevski Aleksandar, Antić Bratislav (2012)Kremenović Aleksandar, Jančar Boštjan, Ristić Mira, Vučinić Vasić Milica, Rogan Jelena, Pačevski Aleksandar, Antić Bratislav. "Exchange-Bias and Grain-Surface Relaxations in Nanostructured NiO/Ni Induced by a Particle Size R" in Journal of Physical Chemistry C no. 116 (2012): 4356-4354
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Microstructural and magnetic properties of electrospun hematite/cuprospinel composites
Phase composition, microstructural and magnetic properties of electrospun hematite/cuprospinel composites were investigated. Samples were synthesized starting with 0 to 10 mol% of copper relative to iron. The round shape of reference electrospun fbres was preserved upon their heating up to 600 °C in air, whereas at 700 °C hollow substructure was additionally formed. In these reference samples the presence of hematite phase was detected by XRPD. A small amount (traces) of Fe3O4 /γ-Fe2O3 was also found, due to the ...Electrical and Electronic Engineering, Condensed Matter Physics, Atomic and Molecular Physics and Optics, Electronic, Optical and Magnetic MaterialsMira Ristić, Aleksandar Kremenović, Michael Reissner, Željka Petrović, Svetozar Musić. "Microstructural and magnetic properties of electrospun hematite/cuprospinel composites" in Journal of Materials Science: Materials in Electronics, Springer Science and Business Media LLC (2020). https://doi.org/10.1007/s10854-020-03526-0
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Prilog teoriji selektivnog kolektiranja olovo-cinkovih ruda
MIra Manojlović-Gifing (1965)MIra Manojlović-Gifing. Prilog teoriji selektivnog kolektiranja olovo-cinkovih ruda, Beograd:Rudarsko Geološki Fakultet, 1965
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Primena flotacijske jalovine RTB Bor za staklokeramiku
Mira Cocić (2011)Mira Cocić. Primena flotacijske jalovine RTB Bor za staklokeramiku, Beograd:Rudarsko Geološki Fakultet, 2011
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Petro-fizička svojstva mezozojskih karbonata zapadnog djela Republike Srpske
Mira Milić (2000)Mira Milić. Petro-fizička svojstva mezozojskih karbonata zapadnog djela Republike Srpske, Beograd:Rudarsko Geološki Fakultet, 2000
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Mineralne tranformacije pri prženju koncentrata bakra u fluo-solid reaktoru
Mira B. Cocić (2004)Mira B. Cocić. Mineralne tranformacije pri prženju koncentrata bakra u fluo-solid reaktoru, Beograd:Rudarsko-geološki fakultet, 2004
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Hidrogeologija terena rudnika soli Tušanj" s posebnim osvrtom na poslijedice eksploatacije"
Mira Šurlan-Stojković (1980)Mira Šurlan-Stojković. Hidrogeologija terena rudnika soli Tušanj" s posebnim osvrtom na poslijedice eksploatacije", Beograd:Rudarsko-geološki fakultet, 1980
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Mineralogical Characterization of Premix Used in the Manufacture of Feed for Poultry and Livestock
Dević Snezana, Cocić Mira, Logar Mihovil, Erić Suzana, Matejević Nenad. "Mineralogical Characterization of Premix Used in the Manufacture of Feed for Poultry and Livestock" in Journal of Agricultural Science 5 no. 11 (2013): 110-117
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Application of the Final Flotation Waste for Obtaining the Glass-ceramic Materials
Mira Cocić, Mihovil Logar, Suzana Erić, Viša Tasić, Snežana Dević, Saša Cocić, Branko Matović (2017)Mira Cocić, Mihovil Logar, Suzana Erić, Viša Tasić, Snežana Dević, Saša Cocić, Branko Matović. "Application of the Final Flotation Waste for Obtaining the Glass-ceramic Materials" in Science of Sintering 49, Belgrade:International Institute for the Science of Sintering (2017): 431-433
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Heterogeneity in iron-doped titania flower-like nanocrystalline aggregates: Detection of brookite and anatase/rutile size-strain modeling
Kremenović Aleksandar, Grujić Brojcin Mira, Welsch Ana-Maria, Colomban Philippe. "Heterogeneity in iron-doped titania flower-like nanocrystalline aggregates: Detection of brookite and anatase/rutile size-strain modeling" in Journal of Applied Crystallography 6 no. 46, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA:Wiley-Blackwell (2013): 1874-1876. https://doi.org/10.1107/S0021889813025363
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Surface modification of sol-gel synthesized TiO2 nanoparticles induced by La-doping
Grujić-Brojcin Mira, Armaković Stevan, Tomić N., Abramović Biljana, Golubović Aleksandar, Stojadinović Bojan, Kremenović Aleksandar, Babić Biljana, Dohcević-Mitrović Zorana, Šćepanović Maja (2014)Grujić-Brojcin Mira, Armaković Stevan, Tomić N., Abramović Biljana, Golubović Aleksandar, Stojadinović Bojan, Kremenović Aleksandar, Babić Biljana, Dohcević-Mitrović Zorana, Šćepanović Maja. "Surface modification of sol-gel synthesized TiO2 nanoparticles induced by La-doping" in Materials Characterization no. 88, NEW YORK, NY 10010-1710 USA:Elesevier Science Inc (2014): 30-41. https://doi.org/10.1016/j.matchar.2013.12.002
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The Potential of Biomarkers to Distinguish Lower and Middle Miocene Lignites from the Coal-Mining District of Lusatia
... This is consistent with low Tissue Preservation Index (TPI) and high Gelification Index (GI) (Kus et al., 2020), signifying an elevated pH in the mire with intense microbial activity that favours decomposition of wood tissues. In all samples long-chain n-alkanes (C26–C33) are the most abundant ...
... contribution of angiosperms. The contents of C27 and C29 n-alkanes in relation to C31 and C33 homologues imply similar impact of forested and reed-mire vegetation. The presence of tricyclic (abietane, pimarane, isopimarane) and tetracyclic (phyllocladane, bayerane, kaurane) diterpenoids indicates ...I. Kojic, J. Kus, D. Zivotic, K. Stojanovic. "The Potential of Biomarkers to Distinguish Lower and Middle Miocene Lignites from the Coal-Mining District of Lusatia" in 30th International Meeting on Organic Geochemistry (IMOG 2021), European Association of Geoscientists & Engineers (2021). https://doi.org/10.3997/2214-4609.202134092
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Избор подетажне методе откопавања са засипавањем откопног простора на примеру лежишта бакра
Александра Ристић (2024)У овом раду су представљени кључни елементи примене методе откопавања са засипавањем откопног простора на примеру лежишта бакра, укључујући: геолошке карактеристике лежишта, техничко-експлоатационе факторе, димензионисање просторија, припремне радове, бушачко-минерске активности, утовар и транспорт, вентилацију и засипавање откопаног простора паста засипом.Кроз анализу трошкова израчуната је цена израде припремних просторија по дужном метру, у зависности од квалитета радног окружења у коме се изводе радови. Поред тога, анализирани су трошкови експлоатације руде, представљени у виду јединичне цене у USD/t (долара по тони ...... простора на примеру лежишта бакра Александра Ристић Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Избор подетажне методе откопавања са засипавањем откопног простора на примеру лежишта бакра | Александра Ристић | | 2024 | | http://dr.rgf.bg.ac.rs/s/repo/ ...
... OuBpcHe, o0ea0ebyjyhaM Mopmu uem (Capukajy). Jipyra Qaaa aneHrTHuHa je HIpBoj, TauHHje BpIH ce 3acHHaBaMb XOJIHHKa y BHCHHH OJI OKO 1,5 M. HakoH miro 3acHr Npyre (a3e JOBOJBHO OuBpcHe, 3anouHMbe cc ca TpehOM (ba3OM y KOJOJ Ce BPpIHH a3acHHaBaMbe XOJIHHKa y IIpcOcTaJ1Oj BHCHHH. 42 /lonpeMa ...Александра Ристић. Избор подетажне методе откопавања са засипавањем откопног простора на примеру лежишта бакра, 2024
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Numerical modeling of Selanac debris flow propagation using SPH code
The Selanac debris flow is a very huge event triggered after extreme rainfall caused by Cyclone Tamara activity in the Republic of Serbia in May 2014. The Selanac case study was already modelling in different programs using Voellmy rheology assumptions like RAMMS software. In this paper research are focusing particularly on the process of debris flowing from initiation zone to main deposition area using Geoflow SPH two-phase model considering frictional rheology law. Main rheological parameters are back-calculated using also ...... numerical approach to the testing of fusion process’’. Astronomical Journal 1977; 82:1013–1024. Pastor, M., Fernández Merodo, J.A., Herreros, I., Mira, P., González, E., Haddad, B., Quecedo, M., Tonni, L., Drempetic, V. (2008) ‘’Mathematical, constitutive and numerical modelling of catastrophic ...Jelka Krušić, Biljana Abolmasov, Miloš Marjanović, Manuel Pastor, Saeid M. Tayyebi . "Numerical modeling of Selanac debris flow propagation using SPH code" in SCG-XIII International Symposium on Landslides. Cartagena, Colombia- February 22-26, 2021, International Society for Soil Mechanics And Geotechnical Engineering (2021)
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Savremene tendencije upravljanja mineralnim resursima u svetu i stanje u Republici Srbiji
Dragan Ignjatović, Vladimir Pavlović (2024)Strategija upravljanja mineralnim i drugim geološkim resursima na održivim i holističkim osnovama, služi kao osnova za vladinu politiku vezanu za geološka istraživanja i eksploataciju mineralnih resursa u skladu sa njenim pravnim i regulativnim obavezama. Uspostavljanje Strategije obezbeđuje osnovu za dalji razvoj i ona se realizuje u relevantnim oblastima politike kako bi se postigli postavljeni ciljevi, pri čemu se resursi moraju dobijati i koristiti na održiv način. Strategija treba transparentno da istakne mogućnosti i izazove, stvori preduslove, razjasni uloge i ...... istoriju čovečanstva i danas, u vreme geopolitičkih previranja, raspoloživost mineralnih resursa direktno utiče na strateška opredeljenja, doprinosi miru ali ı pobuđuje nesporazume i izazivaju ratove. Mineralni resursi često su predmet manipulacija i obmana u različitim poslovnim oblicima. Zahvaljujući ...Dragan Ignjatović, Vladimir Pavlović . "Savremene tendencije upravljanja mineralnim resursima u svetu i stanje u Republici Srbiji" in XVI Međunarodna rudarska konferencija OMC 2024, Jugoslovenski komitet za površinsku eksploataciju (2024)
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Distribution of major and trace elements in the Kovin lignite (Serbia)
Dragana Životić, Olga Cvetković, Predrag Vulić, Ivan Gržetić, Vladimir Simić, Konstantin Ilijević, Biljana Dojčinović, Suzana Erić, Bogdan Radić, Sanja Stojadinović, Snežana Trifunović (2019)geochemical and mineralogical study was performed on lignite samples from the Upper Miocene Kovin deposit, hosting three coal seams. The Kovin lignite is characterized by high moisture content, medium to high ash yield, medium to high sulphur content and a relatively low gross and net calorific value. The mineralogical composition, and major and trace element contents were determined by X-ray diffraction, scanning electron microscopy with energy dispersive Xray spectroscopy (SEM-EDS) analyses, and inductively coupled plasma optical emission spectrometry (ICP-OES). ...... literich layers indicating an unstable water table from higher to lower water level in the mire and less wet conditions. A predomi nance of detrohuminite with lower ash content confirms decline of water level in the mire. High amounts of inertinite in these samples can be attributed in part to oxidation ...
... control the enrichment or depletion of the different ele ments and mineral phases contained in the coal. Chemical, bio logical and physical factors in mire systems provide specific en vironments in which minerals could be deposited or formed Table 7. Rare earth element content in the Kovin lignite. ...
... that the water level changed during peat accumulation. Increased ash content (Figs. 5 and 6) may indicate more frequent inundations of the precursor mire resulting in deposition of siliciclastics. 5.2.1. Coal seam III Mineral rich and mixtures of matrix and mineral rich coals with a predominance of ...Dragana Životić, Olga Cvetković, Predrag Vulić, Ivan Gržetić, Vladimir Simić, Konstantin Ilijević, Biljana Dojčinović, Suzana Erić, Bogdan Radić, Sanja Stojadinović, Snežana Trifunović. "Distribution of major and trace elements in the Kovin lignite (Serbia)" in Geologia Croatica, Croatian Geological Survey (2019). https://doi.org/10.4154/gc.2019.06
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Uloga hidrogeoloških i drugih uslova u pojavi likvifakcije
Đorđe Ristić (1990)Đorđe Ristić. Uloga hidrogeoloških i drugih uslova u pojavi likvifakcije, Beograd:Rudarsko-geološki fakultet, 1990
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Metodologija analize i prognoze izdašnosti vrela Kučajsko-Beljaničkog masiva
Vesna Ristić (1995)Vesna Ristić. Metodologija analize i prognoze izdašnosti vrela Kučajsko-Beljaničkog masiva, Beograd:Rudarsko-geološki fakultet, 1995