Претрага
2381 items
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Effect of Properties of Working Fluids on the Efficiency of a Low-Temperature Organic Rankine Cycle
Decarbonization of all segments of energy systems, both on the supply and demand side, is one of the main goals of the energy transition. Electricity supply in the future will largely rely on generation from intermittent energy sources: wind and solar. Locally available, non-utilized alternative low-temperature energy sources as hydro-geothermal wells, and abounded oil and gas wells, have the potential to provide continual energy production over the year. Electricity generation from these energy sources is carried out with working ...Marija Živković, Aleksandar Mijatović, Dejan Ivezić, Boban Pavlović. "Effect of Properties of Working Fluids on the Efficiency of a Low-Temperature Organic Rankine Cycle" in The 21st International Conference on Thermal Science and Engineering of Serbia, Niš, Serbia, October 2024, University of Niš, Faculty of Mechanical Engineering in Niš (2024)
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Rift sequence stratigraphy and its contribution to source rock understanding – Serbian part of Pannonian Basin
Filip Anđelković, Dejan Radivojević (2018)... should led to better understanding of the petroleum system elements. Acknowledgements. The second author wishes to thank the Ministry of Education and Science, Republic of Serbia for supporting this study (Project no. 176015). REFERENCES Ivanišević, S. Radivojević, D. 2018. Upper Miocene depositional ...
... simple shear exten- sional mechanism (Matenco and Radivojević, 2012). The analysis of syn-kinematic reflectors demonstrates that normal faulting migrates in time and space and took place on a wide Miocene time interval (roughly 20–5.5 Ma) (Matenco and Radivojević, 2012). The most prolific source rocks ...
... (Eds). The Carpathians and their foreland: geology and hydrocarbon resources, AAPG Memoir 84, 619–632. Matenco, L. Radivojević, D. 2012. On the formation and evolution of the Pannonian Basin: Constraints derived from the structure of the junction area between the Carpathians and Dinarides. Tectonics ...Filip Anđelković, Dejan Radivojević. "Rift sequence stratigraphy and its contribution to source rock understanding – Serbian part of Pannonian Basin" in CBGA, Salzburg, Austria, Septembar 10-13, 2018, Bulgarian Academy of Science (2018)
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Linear-motor plunger pump increases lifting efficiency
Bojan Martinović, Dušan Đekić, Dušan Danilović, Pavel Isaev. "Linear-motor plunger pump increases lifting efficiency" in Oil & Gas Journal (2022)
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Age and evolution of the Serbian Lake System: integrated results from Middle Miocene Lake Popovac
Sant Karin, Mandic Oleg, Rundić Ljupko, Kuiper Klaudia, Krijgsman Wout. "Age and evolution of the Serbian Lake System: integrated results from Middle Miocene Lake Popovac" in Newsletters on Stratigraphy 51 no. 1, Stuttgart, Germany:Schweizerbart Science Publishers (2018): 117-143
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An efficient class of optimal sixteenth-order root-finding methods and their basins of attraction
Dejan Ćebić, Nebojša M. Ralević (2022)Dejan Ćebić, Nebojša M. Ralević. "An efficient class of optimal sixteenth-order root-finding methods and their basins of attraction" in Journal of Mathematical Chemistry, Springer Science and Business Media LLC (2022). https://doi.org/10.1007/s10910-022-01371-6
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Filling of dolines with aeolian sediments in the high-mountain karst of the Dinarides (Mt. Durmitor, Montenegro)
Filling of dolines with aeolian sediments, one of the less frequently described ways in which they are filled, is analysed in the present study on an example of a doline in the high-mountain karst of the Dinarides. There is a series of deep dolines on a broad ridge (about 2450 m a.s.l.) on Mt. Durmitor (Montenegro) in the southeastern part of the Dinarides. The accumulation of very fine-grained sand that almost completely fills one of the dolines was analysed. ...Mirela Djurović, Violeta Gajić, Predrag Djurović. "Filling of dolines with aeolian sediments in the high-mountain karst of the Dinarides (Mt. Durmitor, Montenegro)" in Journal of mountain science, Science Press (2022). https://doi.org/10.1007/s11629-021-7274-5
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Preliminary management and optimization of a gas reservoir in central Serbia
Karović-Maričić Vesna, Danilović Dušan (2010)Karović-Maričić Vesna, Danilović Dušan. "Preliminary management and optimization of a gas reservoir in central Serbia" in Journal of Petroleum Science and Engineering no. 70, 1-2, London-Amsterdam -New York:Elsevier (2010): 107-113
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Adsorption and degradation of some psychiatric drugs by sol-gel synthesized titania-based photocatalysts: influence of tungsten and sodium content
Nina L. Finčur, Maja J. Šćepanović, Mirjana Grujić-Brojčin, Biljana F. Abramović, Jugoslav B. Krstić, Aleksandar Kremenović, Tatjana Srećković, Aleksandar Golubović (2019)Mesoporous anatase nanopowders were doped with 0.05−0.5 mol% of W6, in order to obtain more efficient photocatalyst than TiO2 Degussa P25 in the degradation of amitriptyline (AMI) under simulated solar irradiation (SSI). Dominant XRPD peaks were ascribed to anatase phase, with additional peaks which could correspond to brookite, TiO2 bronze and sodium titanate, Na2Ti9O19. The Raman scattering measurements have confirmed anatase as dominant phase, with broad Raman feature at ~270 cm−1 possibly related to Ti–O–Na stretching vibration. All W-doped ...Sol-gel synthesis, Doped titania nanopowders, XRPD, Raman spectroscopy, Adsorption and photocatalytic degradation, Psychiatric drugsNina L. Finčur, Maja J. Šćepanović, Mirjana Grujić-Brojčin, Biljana F. Abramović, Jugoslav B. Krstić, Aleksandar Kremenović, Tatjana Srećković, Aleksandar Golubović. "Adsorption and degradation of some psychiatric drugs by sol-gel synthesized titania-based photocatalysts: influence of tungsten and sodium content" in Journal of Sol-Gel Science and Technology, Springer Science and Business Media LLC (2019). https://doi.org/10.1007/s10971-019-04925-4
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Short-term forecasting of PM10 and PM2.5 concentrations with Facebook's Prophet Model at the Belgrade-Zeleno brdo
Filip Arnaut, Vesna Cvetkov, Dragana Đurić, Mileva Samardžić-Petrović. "Short-term forecasting of PM10 and PM2.5 concentrations with Facebook's Prophet Model at the Belgrade-Zeleno brdo" in Geofizika (2023). https://doi.org/10.15233/gfz.2023.40.7
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Tl(I) sequestration by pharmacosiderite supergroup arsenates: synthesis, crystal structures and relationships in Tl(I)–M(III)–As(V)–H2O (M = Al, Fe) system
Tamara Đorđević, Tarik Karasalihović, Michael Stöger-Pollach, Ljiljana Karanović. "Tl(I) sequestration by pharmacosiderite supergroup arsenates: synthesis, crystal structures and relationships in Tl(I)–M(III)–As(V)–H2O (M = Al, Fe) system" in Mineralogy and Petrology, Springer Science and Business Media LLC (2023). https://doi.org/10.1007/s00710-023-00823-4
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Open Educational Resources in Serbia
... Education, Science and Technological Development of the Republic of Serbia adopted an Open Science Platform (http://www.open.ac.rs/). The platform is intended for all participants in scientific and research activities in Serbia, and pertains to the results of research projects and programs financed ...
... geometry. As to materials related to Computer Science and Information technology, they joined the Popular Hour of programming within the Global Movement of Education Week in Computer Science and Code.org. Namely, within a one-hour introduction to computer science and programming small OERs are published ...
... of machine readability. Adopted institutional policies of open science and institutions that have adopted institutional policies are listed. Guidelines, dictionaries and various types of methodologies related to open science and open data are briefly published. Among repositories that are ...Ivan Obradović, Ranka Stanković, Marija Blagojević, Danijela Milošević. "Open Educational Resources in Serbia" in Current State of Open Educational Resources in the “Belt and Road” Countries, Springer Singapore (2020). https://doi.org/10.1007/978-981-15-3040-1_10
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Dynamics of landslide model with time delay and periodic parameter pertubacions
Kostić Srđan, Vasović Nebojša, Franović Igor, Jevremović Dragutin, Mitrinović David, Todorović Kristina (2014)Kostić Srđan, Vasović Nebojša, Franović Igor, Jevremović Dragutin, Mitrinović David, Todorović Kristina. "Dynamics of landslide model with time delay and periodic parameter pertubacions" in Communications in Nonlinear Science and Numerical Simulation 19 no. 9, Amsterdam, Netherlands:Elsevier (2014): 3346-3361. https://doi.org/10.1016/j.cnsns.2014.02.012
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Multivariate Statistical Analysis of Hydrochemical and Microbiological Natural Tracers as a Tool for Understanding Karst Hydrodynamics (The Unica Springs, SW Slovenia)
Marina Ćuk Đurović, Metka Petrič, Igor Jemcov, Janez Mulec, Zdenka Mazej Grudnik, Cyril Mayaud, Matej Blatnik, Blaž Kogovšek, Nataša Ravbar (2022)Marina Ćuk Đurović, Metka Petrič, Igor Jemcov, Janez Mulec, Zdenka Mazej Grudnik, Cyril Mayaud, Matej Blatnik, Blaž Kogovšek, Nataša Ravbar. "Multivariate Statistical Analysis of Hydrochemical and Microbiological Natural Tracers as a Tool for Understanding Karst Hydrodynamics (The Unica Springs, SW Slovenia)" in Water Resources Research, American Geophysical Union (AGU) (2022). https://doi.org/10.1029/2021WR031831
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Spatial–temporal assessment of hydrocarbon biodegradation mechanisms at a contaminated groundwater site in Serbia
Nenad Marić, Jana Štrbački, Jason Polk, Latinka Slavković Beškoski, Jelena Avdalović, Marija Lješević, Kristina Joksimović, Aleksandra Žerađanin, Vladimir P. Beškoski (2022)General Earth and Planetary Sciences,General Environmental Science,Ecology,Ecology, Evolution, Behavior and SystematicsNenad Marić, Jana Štrbački, Jason Polk, Latinka Slavković Beškoski, Jelena Avdalović, Marija Lješević, Kristina Joksimović, Aleksandra Žerađanin, Vladimir P. Beškoski. "Spatial–temporal assessment of hydrocarbon biodegradation mechanisms at a contaminated groundwater site in Serbia" in Chemistry and Ecology, Informa UK Limited (2022). https://doi.org/10.1080/02757540.2021.2017903
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Development of the Cost-Based Model for Monitoring the Lifetime of the Earth Moving Machines
This paper presents the model for the identification of reference points on the lifetime curve of engineering systems. This curve commonly represents the increase and decline of failure in relation to time. A direct correlation between failure rate and costs is assumed in this paper, therefore, statistical and empirical analysis of costs provided reference points. This approach is used for positioning stages of the engineering system’s lifetime with a minimal number of failures and costs, regardless of whether these ...Electrical and Electronic Engineering,Industrial and Manufacturing Engineering, Control and Optimization, Mechanical Engineering, Computer Science (miscellaneous), Control and Systems EngineeringUgljesa Bugarić, Milos Tanasijević, Stevan Djenadić, Dragan Ignjatović, Ivan Janković. "Development of the Cost-Based Model for Monitoring the Lifetime of the Earth Moving Machines" in Machines, MDPI AG (2022). https://doi.org/10.3390/machines10110995
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Core and shell structure of ytterbium sesquioxide nanoparticles
Vučinić-Vasić Milica, Kremenović Aleksandar, Nikolić Aleksandar S., Colomban Philippe, Mazzerolles Leo, Kahlenberg Volker, Antić Bratislav (2010)Vučinić-Vasić Milica, Kremenović Aleksandar, Nikolić Aleksandar S., Colomban Philippe, Mazzerolles Leo, Kahlenberg Volker, Antić Bratislav. "Core and shell structure of ytterbium sesquioxide nanoparticles" in Journal of Alloys and Compounds 1 no. 502, PO BOX 564, 1001 LAUSANNE, SWITZERLAND:Elsevier Science Sa (2010): 107-111. https://doi.org/10.1016/j.jallcom.2010.03.158
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Hybrid model of evaluation of underground lead–zinc mine capacity expansion project using Monte Carlo simulation and fuzzy numbers
Gligorić Zoran, Beljić Čedomir, Gluščević Branko, Jovanović Saša. "Hybrid model of evaluation of underground lead–zinc mine capacity expansion project using Monte Carlo simulation and fuzzy numbers" in Simulation: Transactions of the Society for Modeling and Simulation International 8 no. 87, :Sage Science Press (UK) ^Subsidiary of: Sage Publications, Inc. (2011): 726-742. https://doi.org/10.1177/0037549711410902
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NMR kinetic studies of the interactions between [Ru(terpy)(bipy)(H2O)]2+ and some sulfur-donor ligands
Mijatović Aleksandar, Šmit Biljana, Rilak Ana, Petrović Biljana , Čanović Dragan, Bugarčić D. Živadin (2013)Mijatović Aleksandar, Šmit Biljana, Rilak Ana, Petrović Biljana , Čanović Dragan, Bugarčić D. Živadin. "NMR kinetic studies of the interactions between [Ru(terpy)(bipy)(H2O)]2+ and some sulfur-donor ligands" in Inorganica Chimica Acta 394, Amsterdam, Netherlands : Elsevier BV (2013): 552-557. https://doi.org/10.1016/j.ica.2012.09.016
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A new analytical method for determination of discharge duration in tunnels subjected to groundwater inrush
Mohsen Golian, Ebrahim Sharifi Teshnizi, Mario Parise, Josip Terzić, Sasa Milanović, Vesna Ristić Vakanjac, Masoud Mahdad, Mehdi Abbasi, Hossein Taghikhani, Habib Saadat (2021)Mohsen Golian, Ebrahim Sharifi Teshnizi, Mario Parise, Josip Terzić, Sasa Milanović, Vesna Ristić Vakanjac, Masoud Mahdad, Mehdi Abbasi, Hossein Taghikhani, Habib Saadat. "A new analytical method for determination of discharge duration in tunnels subjected to groundwater inrush" in Bulletin of Engineering Geology and the Environment, Springer Science and Business Media LLC (2021). https://doi.org/10.1007/s10064-021-02140-6
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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