Претрага
384 items
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Razvoj ARCGIS geobaze površinskog kopa korišćenjem UML CASE alata
... other objects. GIS allows users to create queries, analyze spatial information, manage data and maps, and present results of all these operations. GIS enable the user to create regional and detailed maps of both active and prospective open pits, model the geology and the terrain, estimate the reserves ...Aleksandra Tomašević, Ljiljana Kolonja, Ivan Obradović, Ranka Stanković, Olivera Kitanović. "Razvoj ARCGIS geobaze površinskog kopa korišćenjem UML CASE alata" in Podzemni radovi, Beograd : Univerzitet u Beogradu - Rudarsko-geološki fakultet (2012)
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Stochastic simulation and prediction of turbidity dynamics in karst systems. Case study: Mokra karst spring (SE Serbia)
Veljko Marinović, Branislav Petrović (2021)Veljko Marinović, Branislav Petrović. "Stochastic simulation and prediction of turbidity dynamics in karst systems. Case study: Mokra karst spring (SE Serbia)" in Review of the Bulgarian Geological Society, Bulgarian Geological Society (2021). https://doi.org/10.52215/rev.bgs.2021.82.3.222
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Ocena ranjivosti podzemnih voda od zagađenja na primerima karsta Srbije
Vladimir ŽIVANOVIĆ (2011)Vladimir ŽIVANOVIĆ. Ocena ranjivosti podzemnih voda od zagađenja na primerima karsta Srbije, Beograd:Rudarsko-geološki fakultet, 2011
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Охридско и Преспанско – језера на тромеђи
Марина Чокорило Илић, Весна Ристић Вакањац, Душан Поломчић, Драгољуб Бајић. "Охридско и Преспанско – језера на тромеђи" in Записници Српског геолошког друштва за 2013. годину, Српско геолошко друштво (2014)
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A WordNet Ontology in Improving Searches of Digital Dialect Dictionary
In this paper, we present a method for automatic generation of a digital resource, which connects all indirect synonyms of a dialect term to all indirect synonyms of a corresponding term in the standard language, aiming to improve the search of a digital dialect dictionary. The method uses SWRL rules defined in the Serbian WordNet ontology to identify sets of synonymous words. It also uses e-dictionaries to produce correct lemmas in standard language that users usually employ in searches. ...... the development of tools for the management of dialectal dictionaries [10], the software for data visualization and presenting of linguistic dialectal maps [12], [11], the analysis of the geo- graphical distribution of a language and geographical information relevant for linguistic research [9], using of ...
... examples of the use of words or phrases as they are spoken in the dialect; graphic information about the geographical location using concepts of Google Maps; the etymological origin of the words, morphological information like part of speech, and additional semantic data. The content of the dictionary can ...Miljana Mladenović, Ranka Stanković, Cvetana Krstev. "A WordNet Ontology in Improving Searches of Digital Dialect Dictionary" in New Trends in Databases and Information Systems: ADBIS 2017 Short Papers and Workshops - SW4CH (Semantic Web for Cultural Heritage) 767, Springer International Publishing (2017). https://doi.org/10.1007/978-3-319-67162-8_37
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Regional Slope Stability Analysis in Landslide Hazard Assessment Context, North Macedonia Example
Miloš Marjanović, Biljana Abolmasov, Igor Peshevski, James Reeves, Irena Georgievska. "Regional Slope Stability Analysis in Landslide Hazard Assessment Context, North Macedonia Example" in Understanding and Reducing Landslide Disaster Risk, Springer International Publishing (2020). https://doi.org/10.1007/978-3-030-60227-7_29
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2D geoelectrical resistivity tomography application at the former city waste dump "Ada Huja": Eco-geological problem
... trend is maintained. Figure 10b shows the real area of the surveyed terrain and Figure 10a shows the cadastre plots of the terrain. Figure 10 Maps: a) Location of cadastre plots (National Spatial Data Infrastructure, 2019) and b) the real area of the surveyed terrain (Google Earth) Table contents ...
... did not succumb to regular air emission measurements and fluid leakage. Results of geoelectrical measurements and borehole data did show a groundwater level existed, that water reacts with the decomposing waste and creates and electrolyte with a very low resistivity value. The fibrous minerals ...Branislav Sretenović, Filip Arnaut, Ivana Vasiljević, Vesna Cvetkov. "2D geoelectrical resistivity tomography application at the former city waste dump "Ada Huja": Eco-geological problem" in Podzemni radovi, Centre for Evaluation in Education and Science (CEON/CEES) (2019). https://doi.org/10.5937/PodRad1934059S
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Оцјена водопропусности понорске зоне Шуковићу (Цернићко поље) помоћу Лижоновог теста
One of the specificities of reservoirs forming in highly karstified terrains is reflected in the wide range of unknowns, specifically during reservoir formation, filling and operation. Unfortunately, despite complex research, many reservoirs constructed in karst terrains have problems with water losses from the reservoir to other aquifers due to ponor and ponor zones which are a common in the karst of Eastern Herzegovina. One of such zones is Šuković ponor located in the southern part of the Cerničko polje ...Петар Војновић, Саша Милановић, Љиљана Васић. "Оцјена водопропусности понорске зоне Шуковићу (Цернићко поље) помоћу Лижоновог теста " in Мултидисциплинарна конференција “Kарст 2022 - Значај, стање и перспективе коришћења и заштите ресурса у карсту", Српска академија наука и уметности (2022)
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Selection of Artificial Lift Methods: A Brief Review and New Model Based on Fuzzy Logic
Miroslav Crnogorac, Miloš Tanasijević, Dušan Danilović, Vesna Karović Maričić, Branko Leković (2020)Artificial lift methods have applications in oil wells where oil production is no longer possible due to natural reservoir energy, so this necessary energy is added by introducing lift methods. In order to achieve optimum production, the selection of an artificial lift method is very important. This paper uses fuzzy logic as a mathematical and conceptual model for selection of the optimal artificial lift method. The outcome or IF-THEN rules, as the central part of the model, is based ...... obtained in the form of geometrically irregular shapes (maps). Overlapping of shapes for individual method represents wells in which methods can be equally applied. By entering new wells in the developed model, results are compared with existing maps of artificial lift methods. The greatest percentage ...
... Based on the data entered for many different wells, a graphical output for each method is obtained in the form of geometrically irregular shapes (maps). Overlapping of shapes for individual method represents wells in which methods can be equally applied. Table 3. Input data range for forming the ...
... possibility of automatic regulation and remote control 4–9 grade By entering new wells in the developed model, results are compared with existing maps of artificial lift methods. The greatest percentage overlap with some of the artificial lift methods represents the best solution for a new well. ...Miroslav Crnogorac, Miloš Tanasijević, Dušan Danilović, Vesna Karović Maričić, Branko Leković. "Selection of Artificial Lift Methods: A Brief Review and New Model Based on Fuzzy Logic" in Energies, MDPI AG (2020)
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Osnovi hidrogeologije
Petar Dokmanović (2021)... future of Hydrogeology, Hydrogeology journal, vol.13, No 1, IAH & Springer, 2005. 88. Vrba J. & Zaporozec A. (1994): Guidebook on mapping groundwater vulnerability, International contributions to hydrogeology, Vol. 16, IAH 89. Vuković, M. i Soro, A. (1991): Određivanje koeficijenta filtracije preko ...
... Amsterda 3. Bear J., Chang D.H.A (2010): Modelling Groundwater Flow and Contaminant Transport, Springer, Dodrecht, Heidelberg, London, New York 4. Chilton J. Seiler K (2006): Groundwater occurence and hydrogeological environments, In: Protecting Groundwater for Health, Managing the Quality of Drinking-water ...
... hidrogeoloških istraživanja, Naučna knjiga, Beograd. 26. Fitts CR (2002): Groundwater Science, Academic Press, London 27. Fitts CR (2013): Groundwater Science, Second Edition, Elsevier 28. Freeze RA, Cherry JA (1979): Groundwater, Englewood Cliffs, New Jersey: Prentice-Hall Inc., USA 29. Gascoyne, M ...Petar Dokmanović. Osnovi hidrogeologije, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet, 2021
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Characterization of Natural Clay from Bogovina (Serbia) and Possible Utilization in Sorption of the Herbicides
... organic contaminants, such as nonionic pesticides. On the other hand, due to the high solubility, pesticides are mobile and could be detected in groundwater. Changing the surface nature of montmorillonite from hydrophilic to hydrophobic is crucial for enhancing the sorption of pesticides. This change ...Lazar Kaluđerović, Zorica Tomić, Rada Đurović-Pejčev, Maja Milošević. "Characterization of Natural Clay from Bogovina (Serbia) and Possible Utilization in Sorption of the Herbicides" in Eurosoil2020, online event 2021, Eurosoil, Frontiers Abstract Book (2021)
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To what extent reactivated faults are (not) responsible for karst process: example from Serbian Carpatho-Balkanides?
Ana Mladenović, Jelena Ćalić (2023)Carpatho-Balkanides represent part of the complex Dinaric – Carpatho – Balkan orogenic system, that geomorphologically dominates the central part of the Balkan Peninsula. The existence of this orogenic system is a result of closure of the Neotethys ocean and subsequent convergence of the Adriatic microplate and the Eurasian continent, that has been still active in the recent times. Such geodynamic characteristics conditioned complex tectonic structures, multiply reactivated during Late Cretaceous and Cenozoic times. The main aim of this work ...Ana Mladenović, Jelena Ćalić. "To what extent reactivated faults are (not) responsible for karst process: example from Serbian Carpatho-Balkanides?" in Abstracts and Guide Book 30th International Karstological School "Classical Karst" Karst - Approaches and Conceptual Models, Ljubljana : Scientific Research Centre of the Slovenian Academy of Sciences and Arts (ZRC SAZU), Karst Research Institute (2023)
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Clockwise vertical-axis rotation in the West Vardar zone of Serbia: Tectonic implications
The Vardar-Tethyan mega-suture between the Eurasian and Adria (Gondwana) margins comprises remnants of oceanic lithosphere of Neotethys and distal parts of the adjacent continental margins including unconformable Late Cretaceous sedimentary cover and Cenozoic igneous rocks of post-obduction age. This study provides kinematic constraints for displacements and rotations affecting the Serbian part of the West Vardar and Jadar-Kopaonik units after the closure of the Neotethyan (= Sava) Ocean. The targets of the paleomagnetic research were Late Cretaceous sediments representing an ...... indicated (red boxes) Fig. 2 Simplified geological map of the wider area of the Rudnik Mts. (see location in Fig. 1) based on the Basic Geological Maps of Former Yugoslavia (Federal Geologic Survey Belgrade, scale 1:100,000) covered by sheets Gornji Milanovac, Kragujevac, Kral- jevo, Smederevo, Obrenovac ...
... and Oligocene I-type granitoids and dacitoandesites from the Kopaonik Mts. area (Fig. 3; Schefer et al. 2011). According to the Basic Geological Maps of Former Yugoslavia (scale 1:100 000, sheets: Gornji Milanovac, Filipović et al. 1976; Kragujevac, Brković et al. 1979; Kraljevo, Marković et ...
... oldest outcropping rocks belonging to the Jadar Fig. 3 Simplified geological map of the Kopaonik Mts. area (see location in Fig. 1) based on Geological Maps of Former Yugoslavia (Federal Geologic Survey Belgrade, scale 1:100,000) covered by sheets Vrnjci and Novi Pazar with sampling localities. The paleo- ...Vesna Lesić, Emo Márton, Violeta Gajić, Dragana Jovanović, Vesna Cvetkov. "Clockwise vertical-axis rotation in the West Vardar zone of Serbia: Tectonic implications" in Swiss Journal of Geosciences, Basel : Springer International Publishing (2018). https://doi.org/10.1007/s00015-018-0321-8
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Hidrogeohemijska valorizacija esencijalnih mikroelemenata mineralnih voda Srbije
Jana S. Stojković (2013-09-25)Mineralne vode još od davnina privlače pažnju ljudi i to kako u pogledu istraživanja iproučavanja, tako i u pogledu njihovog iskorišćavanja. Naročito je važno poznavanjesadržaja mikroelemenata u njima, jer su to komponente njihovog hemijskog sastavakoje ih odvajaju od tzv. „običnih“ malomineralizovanih voda.U ovom radu proučavani su odabrani esencijalni mikroelementi (fluor, bor, litijum,kalijum, stroncijum i silicijum), u mineralnim vodama Srbije, pri čemu je analiziranopreko 130 uzoraka mineralnih voda iz različitih geoloških sredina, to jest hidrogeološkihrejona. Cilj ovog istraživanja bio je ...esencijalni mikroelementi, faktori migracije, zakonomernosti rasprostranjenja, hidrogeohemijski procesi, multivarijantna statistička analiza, mineralne vode Srbije... of high concentrations of each of six considered microelements have been defined by comparing analysis of distribution maps of (maximum) factor scores to distribution maps of microelements concentrations. The high content of fluorine is connected to the activity of the first and the third factor ...
... Salifu, A., Petruševski, B., Ghebremichael, K., Buamah, R. and Amy, G. (2011) “Fluoride occurrence in groundwater in the Northern region of Ghana.” Proceedings from IWA Specialist Groundwater Conference. Belgrade: The Jaroslav Černi Institute for the Development of Water Resources, Pp. 267-275 ...
... microelements content. The effect of above mentioned hydrogeochemical processes on each cluster has also been examined. By making distribution maps of microelements concentration in mineral waters of Serbia, as well as by constructing statistical diagrams, pattern of spatial distribution of ...Jana S. Stojković. "Hidrogeohemijska valorizacija esencijalnih mikroelemenata mineralnih voda Srbije" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2013-09-25)
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FTIR Spectroscopic Study Of S-Metolachlor Sorption On Inorganic And Organically Modified Montmorillonite From Bogovina
... bg.ac.rs Abstract Environmental problems related to the use of herbicides are a causing concern due to their increasing presence in soil, groundwater and surface water. Numerous methods are developed in order to reduce herbicide mobility and protect natural water resources. The results presented ...Lazar Kaluđerović, Zorica Tomić, Jelena Bogosavljević, Ljubomir Životić, Maja Milošević. "FTIR Spectroscopic Study Of S-Metolachlor Sorption On Inorganic And Organically Modified Montmorillonite From Bogovina" in 3rd International and 15th National Congress - Soils for Future under Global Challenges, Sokobanja, Serbia, Serbian Society of Soil Science (2021)
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Natural two-dimensional pyrophyllite: Nanoscale lubricant, electrical insulator and easily-machinable material
Borislav Vasić, Radoš Gajić, Ivana Milošević, Žarko Medić, Marina Blagojev, Marko Opačić, Aleksandar Kremenović, Dejan Lazić (2022)Pyrophyllite, with the chemical formula Al2Si4O10(OH)2, is a naturally occurring and abundant van der Waals mineral belonging to the group of phyllosilicates. It is very soft, layered crystal used for sculpting and an excellent electrical and thermal insulator aimed for the operation at high pressure and temperature. Here, for the first time, two-dimensional (2D) pyrophyllite obtained by both mechanical and liquid phase exfoliation is presented and investigated at the nanoscale. The layered structure provides low friction coefficient of around ...Atomic force microscopy, Insulating properties, Nanofriction and wear, Natural two dimensional materials, Phyllosilicates, PyrophylliteBorislav Vasić, Radoš Gajić, Ivana Milošević, Žarko Medić, Marina Blagojev, Marko Opačić, Aleksandar Kremenović, Dejan Lazić. "Natural two-dimensional pyrophyllite: Nanoscale lubricant, electrical insulator and easily-machinable material" in Applied Surface Science, Elsevier BV (2022). https://doi.org/10.1016/j.apsusc.2022.155114
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Application of stochastic models for mine planning and coal quality control
... usually planned from in-situ coal parameters which are estimated from coal samples. These samples are commonly used to generate maps of in-situ coal parameters. With such maps, it is possible to know in advance the effect of mining from different benches of the surface mine, i. e., whether or not the ...
... Conclusions This paper reviewed homogenization methods used in stockyards and proposed a methodology to generate equally probable models based on maps of sulfur content within a coal deposit in Kolubara surface mine. These models allow assessing the uncertainty associated with the grade content in ...Dejan Stevanović, Božo Kolonja, Ranka Stanković, Dinko Knežević, Mirjana Banković. "Application of stochastic models for mine planning and coal quality control" in Thermal Science, Belgrade : Vinča Institute of Nuclear Sciences (2014). https://doi.org/10.2298/TSCI130201031S
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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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Improving Document Retrieval in Large Domain Specific Textual Databases Using Lexical Resources
Large collections of textual documents represent an example of big data that requires the solution of three basic problems: the representation of documents, the representation of information needs and the matching of the two representations. This paper outlines the introduction of document indexing as a possible solution to document representation. Documents within a large textual database developed for geological projects in the Republic of Serbia for many years were indexed using methods developed within digital humanities: bag-of-words and named ...... by definitions, of which 4,839 have a translation into English. The cartographic content includes a general geological map, maps of national parks, map of endangered groundwater bodies, geo-morphological map, map of exploration-mining fields, while the most prominent multimedia content are the gallery ...
... e exploration. Each project summary also contains approximately 30% of the content of the projects itself, obtained basically by removing pictures, maps, tables, and the like, offering thus a reasonably accurate representation of the textual content of the geological project. Future plans include di ...Ranka Stanković, Cvetana Krstev, Ivan Obradović, Olivera Kitanović. "Improving Document Retrieval in Large Domain Specific Textual Databases Using Lexical Resources" in Trans. Computational Collective Intelligence - Lecture Notes in Computer Science 26, Springer (2017). https://doi.org/10.1007/978-3-319-59268-8_8
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Резултати иницијалних хидрогеолошких истраживања карстног врела Бијели Нерини (централна Црна Гора)
Врeлo ’’Биjeли Нeрини’’ (305 мнв) нaлaзи нa сjeвeрoзaпaдним oбрoнцимa планине Мaгaник, изнaд кoритa риjeкe Мртвицe (на њеној десној обали). Извoриштe je рaзбиjeнoг типa, кoje je зaтрпaнo крупним блoкoвимa крeчњaкa и дoлoмитa. Извoриштe je вeoмa издaшнo, сa прeтпoстaвкoм дa у минимуму имa приближно 500 л/с, дoк му мaксимум прeлaзи и прeкo 2000 л/с, aли збoг кoнфигурaциje тeрeнa je зa сaдa билo вeoмa тeшкo пoтврдити тe вeличинe. Прeдстaвљa сeгмeнт који упoтпуњуje цjeлoкупну слику геолошких и физичкo-гeoгрaфских спeцифичнoсти кaњoнa риjeкe Мртвицe, десне ...Голуб Ћулафић, Вељко Мариновић, Јелена Крстајић, Бранислав Петровић. "Резултати иницијалних хидрогеолошких истраживања карстног врела Бијели Нерини (централна Црна Гора)" in Записници Српског геолошког друштва (за 2021. годину), Српско геолошко друштво (2022)