Претрага
815 items
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Directions of future geological explorations of mineral resources in Serbia
Jelenković Rade, Simić Vladimir, Kostić Aleksandar, Životić Dragana, Tošović Radule. "Directions of future geological explorations of mineral resources in Serbia" in Reports of the Serbian Geological Society, :Serbian Geological Society (2016): 9-38
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Минералошко-петрографска карактеризација и могуће порекло сировина коришћених за израду абразивних и глачаних камених алатки на енеолитском локалитету Масинске њиве.
Кристина Шарић, Сузана Ерић, Владица Цветковић, Јосип Шарић, Драгана Антоновић. "Минералошко-петрографска карактеризација и могуће порекло сировина коришћених за израду абразивних и глачаних камених алатки на енеолитском локалитету Масинске њиве." in Гласник Српског археолошког друштва 33, Београд:Српско археолошко друштво (2017): 283-307
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A reinterpretation of the geological map of northwestern part of the Lece volcanic complex
Bojan Kostić, Kristina Šarić, Vladica Cvetković, Nemanja Krstekanic, Nemanja Pantelić, Dragana Bosić (2017)Bojan Kostić, Kristina Šarić, Vladica Cvetković, Nemanja Krstekanic, Nemanja Pantelić, Dragana Bosić. "A reinterpretation of the geological map of northwestern part of the Lece volcanic complex" in Émile Argand Conference - 13th Workshop on Alpine Geological Studies - September 7th-18th 2017 in Serbia, Zlatibor Mts., Beograd:University of Belgrade - Faculty of Mining and Geology (2017): 55-55
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A reinterpretation of the geological map of northwestern part of the Lece volcanic complex
Bojan Kostić, Kristina Šarić, Vladica Cvetković, Nemanja Krstekanic, Nemanja Pantelić, Dragana Bosić (2017)Bojan Kostić, Kristina Šarić, Vladica Cvetković, Nemanja Krstekanic, Nemanja Pantelić, Dragana Bosić. "A reinterpretation of the geological map of northwestern part of the Lece volcanic complex" in Émile Argand Conference - 13th Workshop on Alpine Geological Studies - September 7th-18th 2017 in Serbia, Zlatibor Mts., Beograd:University of Belgrade - Faculty of Mining and Geology (2017): 55-55
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A geophysical study of the Eastern Vardar Zone ophiolite: An overview
Dragana Đurić, Vesna Cvetkov, Vladica Cvetković. "A geophysical study of the Eastern Vardar Zone ophiolite: An overview" in Émile Argand Conference - 13th Workshop on Alpine Geological Studies - September 7th-18th 2017 in Serbia, Zlatibor Mts., Beograd:University of Belgrade - Faculty of Mining and Geology (2017): 31-31
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Condition of the agricultural land use in the Danube riverside area with the aspect of their protection from high groundwater levels
Pajić Predrag, Čalenić Aleksandar, Polomčić Dušan, Bajić Dragoljub. "Condition of the agricultural land use in the Danube riverside area with the aspect of their protection from high groundwater levels" in Proceedings of the 8th International Symposium on Natural Resources Management, Zaječar:John Naisbitt University, Faculty of Management (2018): 121-127
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Rockfall simulation on a rock slope along E75 road at km 890+725 to 891-093
Abolmasov Biljana, Marjanović Miloš, Milenković Svetozar, Pejić Marko, Berisavljević Zoran. "Rockfall simulation on a rock slope along E75 road at km 890+725 to 891-093" in Proceedings of the 16th Danube-European Conference on Geotechnical Engineering-Geotechnical hazards and risks: Experiences and practices, Skopje, Republic of Macedonia 1, :Willey Ernst and Sons (2018): 269-274
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Assessment of landslide-related hazard and risk on the road network of the Valjevo city, Serbia
Marjanović Miloš, Abolmasov Biljana, Đurić Uroš, Krušić Jelka. "Assessment of landslide-related hazard and risk on the road network of the Valjevo city, Serbia" in Proceedings of the 16th Danube-European Conference on Geotechnical Engineering-Geotechnical hazards and risks: Experiences and practices, Skopje, Republic of Macedonia 1, :Willey Ernst and Sons (2018): 365-370
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Hidrogeološke karakteristike područja Cerničkog polja i Ključke rijeke
Петар Војновић (2022)Петар Војновић. "Hidrogeološke karakteristike područja Cerničkog polja i Ključke rijeke" in 18. Kongres geologa Srbije, Srpsko geološko društvo (2022)
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Results of comprehensive monitoring activities on Umka landslide, Belgrade, Serbia
Biljana Abolmasov, Uroš Đurić (2021)... data (2014-2018); B) PSInSAR monitoring data (2016-2019); Displacement vectors azimuth obtained from C) Geodetic benchmarks survey (2018-2019) and D) UAV imaging (2018-2019) Conclusion Compreshesive monitoring activities on the Umka landslide included several landslide monitoring techniques ...
... l model of the Umka landslide with reference to landslides in weathered Neogene marls in Serbia. Landslides 12 (4): 689-702. Ćorić S., Božinović D., Vujanić V., Jotić M. and Jelisavac B., 1996, Geotechnical characteristics of old landslides in Belgrade area. In: Senneset K (ed) Proceedings of the ...Biljana Abolmasov, Uroš Đurić . "Results of comprehensive monitoring activities on Umka landslide, Belgrade, Serbia" in 3rd European Regional Conference of IAEG/ Athens/ Greece/ 6-10 October 2021, IAEG National Group Greece (2021)
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Application of ERT in the study of debris-flow source area: Case study Selanac debris flow
Dragana Đurić, Jelka Krušić, Biljana Abolmasov. "Application of ERT in the study of debris-flow source area: Case study Selanac debris flow" in 11th Congress of the Balkan Geophysical Society, Volume 2021, Online-Romania, 10 -14. Oct 2021,, European Association of Geoscientists & Engineers (2021). https://doi.org/10.3997/2214-4609.202149BGS15
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The Newton method for solving nonlinear equations based on aggregation operators
Nebojša M. Ralević, Dejan Ćebić (2019)Nebojša M. Ralević, Dejan Ćebić. "The Newton method for solving nonlinear equations based on aggregation operators" in XLVI International Symposium on Operational Research SYM-OP-IS, Kladovo, 15-18.9.2019, Универзитет у Београду (2019)
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Optimization and Analysis of Drilling and Blasting Parameters Using O-Pitblast Software
The development of modern technologies has enabled the application of specialized softwares in the field of mining through various segments and processes, including in works related to drilling and blasting. The application of specialized software for drilling and blasting with the use of modern technologies such as photogrammetry enabled more accurate data from the field for later processing. By processing data and creating a 3D model of the terrain for drilling and blasting works, it can obtain precise data, ...Stefan Milanović, Nikola Simić, Lazar Kričak, Milanka Negovanović, Nikola Đokić. "Optimization and Analysis of Drilling and Blasting Parameters Using O-Pitblast Software" in Podzemni radovi, Beograd : Rudarsko-geološki fakultet (2024)
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Application of machine learning for diagnosing the operation of a deep well pump in oil production
Maja Trikić (2024)This paper will thoroughly examine how machine learning can improve the diagnosis of deep well pumps by analyzing the role and function of the pumps, dynamograms, sensor technologies, and diagnostic methods.Our analysis will provide insights into modern techniques and approaches for enhancing the performance and reliability of oil production systems, targeting cost reduction and increased operational efficiency.deep well pump, dynamograms, machine learning, diagnostics of operating coditions,Random Forest, XGBoost... and MCC) for this group. The goal of the tests in Group D was to evaluate how the simplest algorithm (decision tree) performs with a larger number of samples. Group D 098174 M Accuracy mFIMacro MCC Figure 6.14 Metrics Jor Group D 6.6.3 Best model for diagnosing operational conditions and ...
... downward begins. During the movement from point C to point D, the piston in the downhole pump does not move, as the sucker rods continue to relieve and contract, while the tubing absorbs the fluid column load and expands ( 2+ + Ax). At point D, the piston begins to move downward, and segment DA depicts ...
... were organized into four groups (A, B, C, and D). Each group has characteristics that vary depending on the applied techniques and the number of samples per class.Table 3 shows the organization of the tests into groups GroupA GroupB GroupC Group D ML algorithms Decision tree, Random forest and ...Maja Trikić. Application of machine learning for diagnosing the operation of a deep well pump in oil production, 2024
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Отварање и припрема лежишта за примену коморно-стубних метода откопавања
Никола Станишић (2024)Циљ мастер рада је да кроз теоријски преглед и практични пример, прикаже процес отварања и припреме лежишта за примену коморно-стубне методе окопавања. Предмет рада је мало лежиште олово-цинкане руде, а од варијација коморно-стубних метода откопавања, изабрана је коморно-стубна метода етажног откопавања са откопавањем одoздо на доле. Рад се бави темама одабира и описа начина отварања и припреме лежишта, методама откопавања, технологијом израде просторија и откопавања лежишта, организацијом рада и проценом трошкова и економичности експлоатације.... IIpopauyH Opoja MHHCKHMX OymroTMHa ce Hajuemihe Bpmm IO IIporolakoHoBa; 1,27 ·q·Sisk N= -_ d HR doopia [xow.| Ive Je: q cnenu(bHuHa noTportiba cKTIIIO3HBa; Sisk — HcKoriHa moBpimuHa IornpeuHor IHipeceKa; d=0,028m — rpeuHuk naTOpHe eKCIIJIO3HBa; p=1100kg/m3 – rycrHHa eKCIIHIO3HBa; a=0,5 + 0 ...
... oTIIOpH JlaTH Cy y HapejJHoj TaOe;: Ta06exna 7.13 – Cneuuduunu omnopu uyeg6og6ooa y 3aaucHocmu oO npeuuuka. D 400 500 600 800 R 2.040 0.647 0.265 |0.063 Cnenu(biuHu ornmop npeuHuka d=800 mm waHocnH rsoo=0.066 Ns?/mš, ynehat 3a. 5 %. 30or ryOurka Ba3jlyxa Ha CIIOjeBHMa CerMecHaTa, H je OTIIOp ...
... oTIIOpH JlaTH Cy y HapejJHoj TaOe;: Ta06exna 7.15 – CneuuQquunu omnopu uyeg6o6ooa y 3asucHocmu o0 npeuuuka. d 400 500 600 800 T 2.040 0.647 0.265 |0.063 Cnenudununu ornop rpeuuHika d=800 mm H3aHocH rsoo=0,066 Ns?/mš, ynehau sa 5 %. 30or ryOurka Ba3jlyxa Ha CIIOjeBHMa CerMecHaTa, H je OTIIOp ...Никола Станишић . Отварање и припрема лежишта за примену коморно-стубних метода откопавања, 2024
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Preliminary results of numerical modelling of debris flow - case study Leva reka, Serbia
Krušić Jelka, Samardžić Petrović Mileva, Marjanović Miloš, Abolmasov Biljana, Miljković Stevan (2018)Krušić Jelka, Samardžić Petrović Mileva, Marjanović Miloš, Abolmasov Biljana, Miljković Stevan. "Preliminary results of numerical modelling of debris flow - case study Leva reka, Serbia" in Proceedings of the 16th Danube-European Conference on Geotechnical Engineering-Geotechnical hazards and risks: Experiences and practices, Skopje, Republic of Macedonia 2, :Willey Ernst and Sons (2018): 707-712
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Осцилаторна зонарност везувијана из скарна Сусуле - Oscillatory zoning in vesuvianite from the skarn Susule.
Срећковић Батоћанин Даница, Ерић Сузана, Васић Небојша, Миловановић Драган. "Осцилаторна зонарност везувијана из скарна Сусуле - Oscillatory zoning in vesuvianite from the skarn Susule." in Записници Српског геолошког друштва за 2012. годину = Comptes Rendus des séances de la Société Serbe de géologie pour l année 2012 = Reports of the Serbian Geological Society for the year 2012, Beograd:Српско геолошко друштвo (2013): 1-18
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Diversity and biodeteriorative potential of fungal dwellers on ancient stone stela
Savković Željko, Unković Nikola, Stupar Miloš, Franković Maja, Jovanović Milena, Erić Suzana, Šarić Kristina, Stanković Slaviša, Dimkić Ivica, Vukojević Jelena, Ljaljević Grbić Milica (2016)Savković Željko, Unković Nikola, Stupar Miloš, Franković Maja, Jovanović Milena, Erić Suzana, Šarić Kristina, Stanković Slaviša, Dimkić Ivica, Vukojević Jelena, Ljaljević Grbić Milica. "Diversity and biodeteriorative potential of fungal dwellers on ancient stone stela" in International Biodeterioration & Biodegradation no. 115, Amsterdam, Netherlands :Elsevier (2016): 212-223. https://doi.org/http://dx.doi.org/10.1016/j.ib
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Arsenic in Tap Water of Serbia´s South Pannonian Basin and Arsenic Risk Assessment
Petar Papić, Marina Ćuk, Maja Todorović, Jana Stojković, Bojan Hajdin, Nebojša Atanacković, Dušan Polomčić (2012)... arsenic Atlanta, 1993. 27. SCHUHMACHER-WOLZ U, DIETER HH, KLEIN D, SCHNEIDER K., Oral exposure to inorganic arsenic: eval- uation of its carcinogenic and non-carcinogenic effects. Crit. Rev. Toxicol., 39, (4), 271, 2009. 28. SAMS R., WOLF D. C., RAMASAMY S., OHANIAN E., CHEN J., LOWIT A., Workshop overview: ...
... Zrenjanin (in Serbia). Yugoslav Association of Water Supply and Sewerage, pp. 52, 87-90, 2001 [In Serbian]. 36. CHAKRABORTI D., RAHMAN M.M., PAUL K., CHOWDHURY U.K., SENGUPTA M.K., LODH D., CHANDA C.R., SAHA K.C., MUKHERJEE S.C., Arsenic calamity in the Indian subcontinent: what lessons have been learned. ...
... in drinking water. Brit. J. Cancer, 66, 888, 1992. 4. BERG M., KIM TRANG P.T., STENGEL C., BUSCHMANN J., HUNG VIET P., VAN DAN N., GIGER W., STÜBEN D. Hydrological and sedimentary controls leading to arsenic contamination of groundwater in the Hanoi area, Vietnam: The impact of iron-arsenic ratios, ...Petar Papić, Marina Ćuk, Maja Todorović, Jana Stojković, Bojan Hajdin, Nebojša Atanacković, Dušan Polomčić. "Arsenic in Tap Water of Serbia´s South Pannonian Basin and Arsenic Risk Assessment" in Polish Journal of Environmental Studies (2012)
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Availability as a dimension of energy security in the Republic of Serbia
Boban Pavlović, Dejan Ivezić (2016)There is a range of modern approaches and models in literature for the evaluation and determination of energy security, which are based on different parameters and indicators. For most of them, a common characteristic is emphasizing the avail ability of energy, as an important dimension for ensuring energy security. In this paper, concise overview of Serbian energy sectors is given and appropriate energy indicators are defined and determined. Selected indicators provide insight into the main components that characterize availability ...... 21, No. 1A, pp. 323-333 323 AVAILABILITY AS A DIMENSION OF ENERGY SECURITY IN THE REPUBLIC OF SERBIA by Boban S. PAVLOVIĆ* and Dejan D. IVEZIĆ Faculty of Mining and Geology, University of Belgrade, Belgrade, Serbia Original scientific paper DOI:10.2298/TSCI160923303P There is a range ...
... represent the number of remaining years until the exhaustion of resources assuming the current level of consumption. Diversification Diversification (D) reflects the diversity of used energy sources for energy supply, and the ability to mitigate the risk caused by overdependence on several major energy ...
... stocks of critical fuels and correspond- ing fuel consumption SS1 – ration of re- serves to production SS2 – ration of resources and production D – diversity index of the possible energy resources for supply – Shannon index RES1 – RES share in TPES RES2 – RES share in TFC TM1a – efficiency ...Boban Pavlović, Dejan Ivezić. "Availability as a dimension of energy security in the Republic of Serbia" in Thermal Science, National Library of Serbia (2016). https://doi.org/10.2298/TSCI160923303P