Претрага
335 items
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The external aggregation Newton's method for solving nonlinear equations and applications
Marija Paunović, Dejan Ćebić, Nebojša Ralević. "The external aggregation Newton's method for solving nonlinear equations and applications" in The University Thought - Publication in Natural Sciences, Centre for Evaluation in Education and Science (CEON/CEES) (2020). https://doi.org/10.5937/univtho10-24982 М53
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Convective heat transfer in centrifugal pumps lifted wells: the case of South-Eastern Europe waxy wells
Electric submersible pumps (ESP) are applied in wells where additional energy is needed to ensure discharge of the fluid to the surface through the tubing. At the discharge side of the pump the fluid has bigger velocity, thus the pump induces a forced convection between the fluid and the tubing inner surface. Understanding of convective heat transfer in wellbores and analyses of influential parameters provides a possibility to optimise value of convective heat transfer coefficient in order to avoid ...Bojan Martinovic, Marija Živković, Branko Grubač. "Convective heat transfer in centrifugal pumps lifted wells: the case of South-Eastern Europe waxy wells" in International Journal of Oil, Gas and Coal Technology, Inderscience Publishers (2021). https://doi.org/10.1504/IJOGCT.2021.10043281 М23
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Transition pathways of household heating in Serbia: Analysis based on an agent-based model
To explore pathways of the energy transition of household heating, an agent-based simulation model was developed for the case of the Serbian household sector. The model is focused on individual entities (households) with the objective to explore the effects of policy instruments on energy transition in households with individual heating systems. Empirically collected survey data were used as input for households’ attitudes towards sustainable heating. Simulations showed that the proposed instruments would lead to higher heating efficiency and less ...energetska tranzicija, modeliranje bazirano na agentima, sistemi grejanja, sektor domaćinstva, obnovljivi izvori energije, emisija CO2Boban Pavlović, Dejan Ivezić, Marija Živković. "Transition pathways of household heating in Serbia: Analysis based on an agent-based model" in Renewable and Sustainable Energy Reviews, Elsevier BV (2022). https://doi.org/10.1016/j.rser.2022.112506 М21а
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Agent-based modeling as a support to an expert-based approach: Exploring individual heating systems transition
Expert-based energy scenarios are mainly developed following assumptions of experts and, in most cases, a limited number of stakeholders. Such an approach will provide satisfactory results in centrally managed energy sectors where further decisions could be envisaged relatively precisely (electricity production/distribution, district heating systems, etc.). The same approach will provide more uncertain outcomes of future energy structure in the household sector, where decisions related to consumption, selection of energy source, or application of specific technology are made by numerous ...Energetska tranzicija, Grejanje domaćinstava, Individualni sistemi grejanja, Energetsko planiranje, Integrisano energetsko planiranje, ABM, LEAP, SrbijaBoban Pavlović, Marija Živković, Dejan Ivezić. "Agent-based modeling as a support to an expert-based approach: Exploring individual heating systems transition" in South East European Conference on Sustainable Development of Energy, Water and Environment Systems 22 – 26 May 2022, Vlorë, Albania, Faculty of Mechanical Engineering and Naval Architecture, Zagreb (2022) М34
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Challenges of Energy Transition in the Individual Heating Sector
U radu su prikazani rezultati istraživanja i ankete koja je sprovedena 2020. godine u domaćinstvima sa individualnim sistemima grejanja u Srbiji. Cilj ankete je bio da se sagleda stanje individualnih sistema grejanja, ali i stavovi vlasnika sistema vezano za energetsku tranziciju. Rezultati ukazuju na zastarelost sistema grejanja, nisku efikasnost, nedovoljna ulaganja u primenu mera energetske efikasnosti i nedostatak finansijskih sredstava za ulaganje u održivo grejanje. Osnovni prioriteti kod izbora načina grejanja jesu troškovi kupovine sistema i troškovi energenta, dok ...Boban Pavlović, Dejan Ivezić, Marija Živković. "Challenges of Energy Transition in the Individual Heating Sector" in Energija, ekonomija, ekologija, University Library in Kragujevac (2022). https://doi.org/10.46793/EEE22-1.17P М52
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Integrated energy planning approach for accelerating energy transition of households
The success of energy transition planning depends on several influential and variable factors that need to be considered and tracked in modeling to support policymakers. Expert-based energy models are mainly developed following the assumptions of experts and, in most cases, a limited number of stakeholders. This top-down modeling approach will provide satisfactory results in centrally managed energy sectors (electricity generation and distribution, district heating, etc.), where further decisions could be projected relatively precisely. However, the same approach will not ...Energetsko planiranje, Integrisano energetsko modeliranje, Energetska tranzicija, Domaćinstva, Individualno grejanje, LEAPBoban Pavlović, Marija Živković, Dejan Ivezić. "Integrated energy planning approach for accelerating energy transition of households" in Energy Reports, Elsevier BV (2023). https://doi.org/10.1016/j.egyr.2023.11.016 М22
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The Fusion of Postmodernism and CLIL Through Teaching Geomythology
Lidija V. Beko, Marija M. Đorđević (2024)Lidija V. Beko, Marija M. Đorđević. "The Fusion of Postmodernism and CLIL Through Teaching Geomythology" in Анали Филолошког факултета, Faculty of Philology, University of Belgrade (2024). https://doi.org/10.18485/analiff.2024.36.2.6 М24
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Model inteligentnog sistema adaptivnog upravljanja procesom prerade rude
Ivana M. Jovanović (2016-01-13)U oblasti procesa prerade rude, flotacijska koncentracija predstavlja jednu od najznačajnijih i najčešće primenjivanih metoda separacije korisnih od nekorisnih minerala. Samim tim, veoma je važno osigurati uspešan rad flotacijskog postrojenja kroz dostizanje zadovoljavajućih tehno-ekonomskih pokazatelja. Cilj upravljanja procesom flotacijske koncentracije je upravo optimizacija kvaliteta i iskorišćenja korisne komponente u koncentratu uz maksimizaciju profita. Shodno tome, istraživanja na polju modelovanja i upravljanja ovim procesom zauzimaju značajno mesto u praksi kontolnog inženjenringa.Teorijska istraživanja u okviru doktorske disertacije obuhvatila su analizu položaja ...flotacijska koncentracija, modelovanje, upravljanje, inteligentni sistem, soft kompjuting, fazi logika, veštačke neuronske mrežeIvana M. Jovanović. "Model inteligentnog sistema adaptivnog upravljanja procesom prerade rude" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-01-13)
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Sitni, ali bitni: uloga sitnih sisara, herpetofaune i mekušaca u rekonstrukciji pleistocenskih paleosredina
Fosilni ostaci životinja i biljaka imaju važnu ulogu u rekonstrukciji pleistocenskih paleosredina. U ovom radu opisan je značaj tri grupe životinja: sitnih sisara, herpetofaune I mekušaca. Mada je za rekonstrukciju važan sastav čitave asocijacije, nalasci pojedinih vrsta mogu biti dovoljno indikativni da otkriju tip staništa ili klimatske uslove. Posebnu teškoću pri rekonstrukciji paleosredina u Srbiji predstavlja činjenica da klimatske promene na Balkanskom poluostrvu nisu bile tako oštre kao u srednjoj i zapadnoj Evropi, pa ne postoji drastična razlika u ...Katarina Bogićević, Draženko Nenadić, Dragana Đurić, Mihajlo Jovanović, Aleksandra Savković. "Sitni, ali bitni: uloga sitnih sisara, herpetofaune i mekušaca u rekonstrukciji pleistocenskih paleosredina" in Zbornik sažetaka III Kongresa geologa Bosne i Hercegovine, Neum, 21.-23.09.2023., Ilidža : Udruženje geologa Bosne i Hercegovine (2023) М33
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Prvi nalazi repatih vodozemaca (Urodela) u pleistocenskoj pećinskoj fauni Srbije; još jedna kockica u slagalici
Fosilna fauna pleistocenskih pećina odslikava sastav faune njihove okoline. Najčešće se u njima naleze ostaci krupnih sisara ledenog doba koji su je koristili kao stanište. Uz njih česti su i ostaci drugih sitnih kičmenjaka kao što su sitni sisari, ribe, vodozemci, gmizavci i ptice. Ostaci sitnih kičmenjaka u većini slučajeva u pećinu dospevaju kao plen grabljivica (ptice i sisari) ali je manji broj njih pećinu koristio i kao sklonište ili stanište. U proučavanje fluktuacija pleistocenske klime sve češće se ...Dragana Đurić, Katarina Bogićević, Draženko Nenadić, Mihajlo Jovanović, Aleksandra Savković. "Prvi nalazi repatih vodozemaca (Urodela) u pleistocenskoj pećinskoj fauni Srbije; još jedna kockica u slagalici" in Zbornik sažetaka III Kongresa geologa Bosne i Hercegovine sa međunarodnim učešćem. Neum, 21.-23. septembar/rujan 2023, Ilidža : Udruženje geologa Bosne i Hercegovine (2023) М33
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Nova saznanja o geologiji Vrdničkog ugljenog basena (severna Srbija)
Rundić Ljupko, Knežević Slobodan, Rakijaš Milovan, Kukavica Marija. "Nova saznanja o geologiji Vrdničkog ugljenog basena (severna Srbija)" in Zbornik radova V Savjetovanja geologa BiH *CD-ROM, Sarajevo, BiH:Udruženje geologa BiH (2013): 330-348 M33
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Kvalifikacija eksternih rizika u površinskoj eksploataciji mineralnih sirovina
Milutinović Aleksandar, Vujošević Mirko, Kuzmanović Marija, Panić Biljana. "Kvalifikacija eksternih rizika u površinskoj eksploataciji mineralnih sirovina" in XXXIX Symopis 1, Tara:Visoko građevinsko-geodetska škola, Beograd (2012): 527-530 M63
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Izbor utovarno-transportne opreme na površinskim kopovima
Popović Milena, Kuzmanović Marija, Vujošević Mirko, Milutinović Aleksandar. "Izbor utovarno-transportne opreme na površinskim kopovima" in XXXIX Symopis, Tara:Visoko građevinsko-geodetska škola, Beograd (2012): 531-534 M63
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Minimization of business risks in mining companies through loaders-truck equipment selection
Popović Milena, Kuzmanović Marija, Vujošević Mirko, Milutinović Aleksandar. "Minimization of business risks in mining companies through loaders-truck equipment selection" in 5th Balkan Mining Congress BALKANMINE 2013 1, Ohrid, Makedonija:Association of Mine and Geological Engineering and Faculty of Natural and Technical Sciences within Goce Delcev University (2013): 439-444 M33
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Evaluation of the external risks in the coal mining company Kostolac
Kuzmanović Marija, Milutinović Aleksandar, Vujošević Mirko, Panić Biljana. "Evaluation of the external risks in the coal mining company Kostolac" in 5th Balkan Mining Congress BALKANMINE 2013 1, Ohrid, Makedonija:Association of Mine and Geological Engineering and Faculty of Natural and Technical Sciences within Goce Delcev University (2013): 182-188 M33
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Biosorpcija-nekonvencionalni metod u prečišćavanju otpadnih voda
Radulović Milanka, Ilić Marija, Živić Miroslav, Marković Zoran. "Biosorpcija-nekonvencionalni metod u prečišćavanju otpadnih voda" in Rizici i eko -bezbednost u postmodernom ambijentu -Internacionalna konferencija, septembar 19-12 jun, Novi Pazar, Novi Pazar:Državni univerzitet u Novom Pazaru (DUNP) (2010): 175-181 M33
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Uncertainty of carbon dioxide emission factor for natural gas
Živković Marija, Ivezić Dejan, Danilović Dušan, Madžarević Aleksandar. "Uncertainty of carbon dioxide emission factor for natural gas" in 5th International Scientific Conference on «Energy and Climate Change» no. 5, Atina:University of Athens, KEPA (2012): 192-199 M33
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Razvoj gasne privrede Srbije u poslednjih 20 godina
Ивезић Дејан, Живковић Марија, Даниловић Душан, Маџаревић Александар. "Razvoj gasne privrede Srbije u poslednjih 20 godina" in Energija, ekologija, ekonomija, Beograd:Savez energetičara Jugoslavije (2012): 318-322 M51
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Results of Experimental Installation of Roofbolting System in the Mines
Dragan Zlatanović, Marija Ilić, Vladimir Milisavljević, Dragan Ignjatović. "Results of Experimental Installation of Roofbolting System in the Mines" in Mining and Metalurgy Engineering Bor no. 4, Bor:Mining and Metallurgy Institute, Bor (2014): 65-84. https://doi.org/10.5937/MMEB1404065Z M24
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Развој сектора природног гаса у Србији – Индикатори напретка
Ivezić Dejan, Živković Marija, Madžarević Aleksandar, Ivić Milica. "Развој сектора природног гаса у Србији – Индикатори напретка" in Енергија, економија, екологија 03-Apr no. XX, Beograd:Savez energetičara Srbije (2018): 383-391 M52