Претрага
113 items
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Effect of natural gas composition on methane number: A case of gas reservoirs in Serbia
Natural gas is considered as the most environmentally acceptable fossil fuel, thus it is an alternative to petroleum derivate, dominantly used in internal combustion engines. Physical properties of a fuel as well as behavior during combustion process are affected by its composition. This article presents analysis of effect of natural gas composition on methane number (MN), conducted for natural gas deposits in Serbia. For empirically determination of MN: California air resources board (CARB) method and Linear and Anstalt für ...Marija Živković, Milica Ivić, Dejan Ivezić, Aleksandar Madžarević. "Effect of natural gas composition on methane number: A case of gas reservoirs in Serbia" in Energy Sources, Part A: Recovery, Utilization, and Environmental Effects (2017). https://doi.org/10.1080/15567036.2017.1403518 М23
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Double traveling valve increases rod-pump efficiency
Traditional sucker rod pumps (SRP) use a single traveling valve, but recent double traveling valve innovations have improved SRP performance and efficiency in field applications with double traveling valves installed in pumps with top mechanical seating. The valves sealed better and produced similar fluid volumes compared with the previous single-valve pumps. They also enabled a reduction in pump diameter and optimized usage of surface equipment. Overall, the double travel valve SRPs produced stable production rates and annual production targets.Miloš Petrović, Bojan Martinović, Milica Ješić, Miroslav Crnogorac. "Double traveling valve increases rod-pump efficiency" in Oil & Gas Journal (2023) М23
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Application of the DPSIR approach to identify pressures on water resources in the Drina river basin
Milica Stepanović, Dragoljub Bajić, Momčilo Blagojević, Sanja Bajić. "Application of the DPSIR approach to identify pressures on water resources in the Drina river basin" in Review of the Bulgarian Geological Society (National Conference with International Participation GEOSCIENCES 2023), Sofia : Bulgarian Academy of Sciences (2023) М33
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Детаљан 3Д хидродинамички модел сложених услова струјања подземних вода дела београдског изворишта подземних вода
Београдско извориште подземних вода је формирано у алувијону реке Саве и простире се у укупној дужини од око 50 км, од села Прогар до ушћа Саве у Дунав. Подземне воде се претежно захватају бунарима са хоризонталним дреновима из алувијалних наслага квартарне старости. Један од доминантних проблема који се јавља на изворишту је константно опадање капацитета бунара са хоризонталним дреновима услед процеса старења. Из тог разлога неопходно је скоро на половини бунара са хоризонзталним дреновима извршити пројектовање и утискивање нових ...извориште подземних вода, бунари са хоризонталним дреновима, хидродинамички модел, нови хоризонтални дреновиДушан Поломчић, Јелена Ратковић, Драгољуб Бајић, Милица Степановић. "Детаљан 3Д хидродинамички модел сложених услова струјања подземних вода дела београдског изворишта подземних вода" in Зборник радова XVII српског симпозијума о хидрогеологији са међународним учешћем, Београд : Универзитет у Београду - Рударско-геолошки факултет (2024). https://doi.org/https://doi.org/10.5281/zenodo.13739526 М33
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GIS i daljinska detekcija Landsat 8 snimaka
Pešić Georgiadis Milica, Kolonja Ljiljana, Tomašević Aleksandra, Banković Mirjana. "GIS i daljinska detekcija Landsat 8 snimaka" in 1. savetovanje sa medjunarodnim učešćem Informacione tehnologije razvoj i primena u unapredjenju životne sredine, Beograd:Udruženje klaster komora za zaštitu životne sredine i održivi razvoj (2015): 86-97 M33
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Approach to operational mine planning: Case study Tamnava West
Dejan Stevanović, Mirjana Banković, Milica Pešić Georgiadis, Ranka Stanković. "Approach to operational mine planning: Case study Tamnava West" in Tehnika, Beograd : Savez inženjera i tehničara Srbije (2014). https://doi.org/10.5937/tehnika1406952S M51
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Application of MCDA in the determination of optimal block size for open-pit modelling and mine planning
The process of creating a geological block model as the basis for a further detailed design and planning of mining operations is a very responsible task. Errors made during this initial process are transferred to all other phases of the mining project. Certainly, one of the most important decisions for the modelling process is the choice of the appropriate size of the blocks that form the model itself. The determination of the optimal block size is not a simple ...dimenzije minibloka, višekriterijumska analiza, AHP, modeliranje ležišta, planiranje na površinskim kopovimaPetar Marković, Dejan Stevanović, Milica Pešić Georgiadis, Mirjana Banković. "Application of MCDA in the determination of optimal block size for open-pit modelling and mine planning" in Underground Mining Engineering, Univerzitet u Beogradu, Rudarsko-geološki fakultet (2021) М51
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Sentiment Analysis of Serbian Old Novels
In this paper we present first study of Sentiment Analysis (SA) of Serbian novels from the 1840-1920 period. The preparation of sentiment lexicon was based on three existing lexicons: NRC, AFFIN and Bing with additional extensive corrections. The first phase of dataset refinement included filtering the word that are not found in Serbian morphological dictionary and in second automatic POS tagging and lemma were manually corrected. The polarity lexicon was extracted and transformed into ontolex-lemon and published as initial ...Ranka Stanković, Miloš Košprdić, Milica Ikonić Nešić, Tijana Radović. "Sentiment Analysis of Serbian Old Novels" in Proceedings of the 2nd Workshop on Sentiment Analysis and Linguistic Linked Data, June 2022, Marseille, France, European Language Resources Association (2022) М33
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It-Sr-NER: CLARIN Compatible NER and Geoparsing Web Services for Italian and Serbian Parallel Text
Olja Perišić, Ranka Stanković, Milica Ikonić Nešić, Mihailo Škorić. "It-Sr-NER: CLARIN Compatible NER and Geoparsing Web Services for Italian and Serbian Parallel Text" in Linköping Electronic Conference Proceedings, Linköping University Electronic Press (2023). https://doi.org/10.3384/ecp198010 М33
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It-Sr-NER: Web Services for Recognizing and Linking Named Entities in Text and Displaying Them on a Web Map
The paper will present the results of the project `“It-Sr-NER: Web services for named entities recognition, linking and mapping,” in which teams from the University of Turin and the Society for Language Resources and Technologies JeRTeh participated, and whose goal was the development of the It-Sr-NER web service for named entity annotations in the text and displaying them on the map. Named entities in these services are names of persons, places, organizations, demonyms (ethnicities), events and works of art.Olja Perišić, Ranka Stanković, Milica Ikonić Nešić, Mihailo Škorić. "It-Sr-NER: Web Services for Recognizing and Linking Named Entities in Text and Displaying Them on a Web Map" in Infotheca, Belgrade : Faculty of Philology, University of Belgrade (2023). https://doi.org/10.18485/infotheca.2023.23.1.3 М53
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Laboratory Testing of Nanosilica- Reinforced Silicate and Polyacrylamide Gels
Irina Zahirovic, Dušan Danilović, Milica Šuput Vranjin, Miloš Tripković. "Laboratory Testing of Nanosilica- Reinforced Silicate and Polyacrylamide Gels" in SPE Journal (2023) М21
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Topic Modeling of the SrpELTeC Corpus: A Comparison of NMF, LDA, and BERTopic
Modeliranje tema je efikasan način da se dobije uvid u velike količine podataka. Neki od najčešće korišćenih metoda za modeliranje tema su Latentna Dirihleova alokacija (LDA) i faktorizacija nenegativne matrice (NMF). Međutim, sa porastom modela samopažnje i unapred obučenih jezičkih modela, pojavili su se novi načini za ekstrakcju tema. BERTopic predstavlja novi pristup modeliranju tema. U ovom radu smo uporedili performanse LDA, NMF i BERTopic na književnim tekstovima na srpskom, merenjem koherentnosti tema i raznovrsnosti tema, kao i kvalitativnom ...Teodora Mihajlov, Milica Ikonić Nešić, Ranka Stanković, Olivera Kitanović. "Topic Modeling of the SrpELTeC Corpus: A Comparison of NMF, LDA, and BERTopic" in Annals of Computer Science and Information Systems, IEEE (2024). https://doi.org/10.15439/2024F1593 М33
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BERT Downstream Task Analysis: Named Entity Recognition in Serbian
This paper compares different architectures and techniques for preparing named entity recognition (NER) models for the Serbian language via integrating BERT with spaCy. Models were trained to recognize seven different named entity types (persons, locations, organisations, professions, events, demonyms, and artworks), and are trained on the dataset containing Serbian novels published between 1840 and 1920, publicly available newspaper articles and sentences generated from the Wikidata knowledge base and Leximirka lexical database. We explore various configurations and several training pipelines ...Milica Ikonić Nešić, Saša Petalinkar, Mihailo Škorić, Ranka Stanković. "BERT Downstream Task Analysis: Named Entity Recognition in Serbian" in Lecture Notes in Networks and Systems, Springer Nature Switzerland (2024). https://doi.org/10.1007/978-3-031-71419-1_29 М33
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Регионални приступ изради карте угрожености подземних вода Србије - нова метода Издан
Милановић Саша, Стевановић Зоран, Ђурић Душан, Петровић Тања, Миловановић Милица. "Регионални приступ изради карте угрожености подземних вода Србије - нова метода Издан" in Зборник радова 15. конгреса геолога Србије са међународним учешћем, Београд, [26-29 мај] 2010. , Београд:Српско геолошко друштво (2010): 585-590 M63
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Study of general environmental awareness of the urban population, Case study involving Belgrade, the capital of Serbia
Nišić Dragana, Knežević Dinko, Petković Aleksandra, Ignjatović Milica, Kostadinović Jovana. "Study of general environmental awareness of the urban population, Case study involving Belgrade, the capital of Serbia" in Proceedings of 4th HASSACC 2016 - Virtual Conference Human And Social Sciences at the Common Conference, Zilina:University of Zilina (2016): 33-39. https://doi.org/10.18638/hassacc.2016.4.1.201 M33
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The Perception Differences Between Expert and Non-expert Audience on the Enviromentally Undesirable Facilities – The case of “Cirikovac mine” Ash Landfill
Knežević Dinko, Radivojević Sandra, Stefanović Milica, Drobac Jelena, Ravilić Marina. "The Perception Differences Between Expert and Non-expert Audience on the Enviromentally Undesirable Facilities – The case of “Cirikovac mine” Ash Landfill" in Tehnika -Rudarstvo, geologija i metalurgija 64 no. 5, Beograd, Srbija:Savez inženjera i tehničara Srbije, Beograd (2013): 837-848 M52
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Izbor lokacije za deponiju pepela i nimbizam
Knežević Dinko, Ravilić Marina, Drobac Jelena, Stefanović Milica, Radivojević Sandra. "Izbor lokacije za deponiju pepela i nimbizam" in Elektroprivreda LXIV no. 4, Beograd, Srbija:JP Elektroprivreda Srbije (2011): 382-394 M52
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Poloxamer-based curcumin solid dispersions for ex tempore preparation of supersaturated solutions intended for antimicrobial photodynamic therapy
Vukićević Milica, Bee Hegge Anne, Vulić Predrag, Hjort Tonnesen Hanne. "Poloxamer-based curcumin solid dispersions for ex tempore preparation of supersaturated solutions intended for antimicrobial photodynamic therapy" in Pharmaceutical Development and Technology 7 no. 20, Philadephia, USA:Taylor & Francis (2015): 863-871. https://doi.org/10.3109/10837450.2014.930489 M23
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Assessment of vulnerability of natural gas supply in Serbia: State and perspective
Madžarević Aleksandar, Ivezić Dejan, Živković Marija, Tanasijević Miloš, Ivić Milica. "Assessment of vulnerability of natural gas supply in Serbia: State and perspective" in Energy Policy 121, :Elsevier (2018): 415-425 M21
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Improving efficiency of thermal power plants through mine coal quality planning and control
Главни циљ контроле квалитета угља у рудницима лигнита је снабдевање термоелектрана угљем чији квалитет мора да се креће унутар одређених квалитативних ограничења. Карактеристике угља могу да утичу на ефикасност, поузданост и расположивост како котла тако и јединица за контролу емисије. У овом раду аутори су презентовали интегрисану симулацију рударског процеса као нови приступ у истраживању променљивости калоричне вредности угља приликом експлоатације комплексног лежишта лигнита. Резултати таквог приступа омогућавају драгоцен увид у перформансе континуалног рударског система у смислу контроле променљивости ...Mirjana Banković, Dejan Stevanović, Milica Pešić, Aleksandra Tomašević, Ljiljana Kolonja. "Improving efficiency of thermal power plants through mine coal quality planning and control" in Thermal Science, Vinča Institute of Nuclear Sciences (2018). https://doi.org/10.2298/TSCI170605209B М23