Претрага
297 items
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Development Of The Serbian Geological Resources Portal
... both recent, as well as older projects is planned in the upcoming period, as well as the trans- lation of these results into GeolISS format. We also plan to enable the export of data sets from GeolISS to GeoSciML format (http://www.geosciml.org), like BRGM French Geological Survey, CSIRO Explo- ration ...Ranka Stanković, Jelena Prodanović, Olivera Kitanović, Velizar Nikolić. "Development Of The Serbian Geological Resources Portal" in Proceedings of the 17th Meeting of the Association of European Geological Societies, Belgrade, Serbia : The Serbian Geological Society (2011)
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The Importance of Geotechnical Investigations for the Construction of Transfer Station „Prelići“ on Landfill in Cacak – Serbia
For the purpose of the facilities construction within the transfer station „Prelici“ in Cacak, specific geotechnical investigations were carried out based on which the technological project with the facilities schedule was developed. Significant deviations in relation to the presented results were determined during earthworks, so the additional geotechnical investigation works were carried out. Since the new investigation works have determined a different cross section of the terrain, it was proposed to move the planned facilities which led to the ...... The landfill covers an area of about 13.5 ha, and the estimated volume of disposed waste is about 1800000 m3. The landfill is formed in alluvial plane of the left valley side of the West Morava River, i. e. left valley side of the Atenica River, which also represents eastern border of the landfill ...Dragoslav Rakić, Irena Basarić, Jovana Janković, Tina Đurić. "The Importance of Geotechnical Investigations for the Construction of Transfer Station „Prelići“ on Landfill in Cacak – Serbia" in 17th International waste management and landfill symposium, Proceedings SARDINIA 2019, CISA Publisher (2019)
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Analiza pouzdanosti dozera angažovanih na površinskim kopovima RB Kolubara
U radu je izvršena uporedna analiza pouzdanosti transportnih sistema dozera koji rade na površinskim kopovima Rudarskog basena Kolubara. Period za koji je vršena analiza je prvih deset godina eksploatacije. Efikasnost tehnološkog procesa na otkopavanju korisne mineralne sirovine i otkrivke u velikoj meri zavisi od rada dozera. Iskorišćene su matematičke metode za aproksimaciju i identifikaciju zabeleženih vremena u radu, kako bi se dobili analitički pokazatelji pouzdanosti. Na ovaj način se bitno podiže kvalitet upravljanja procesom eksploatacije i održavanja mašina na ...... (god) Prosečno vreme rada (mh) Godišnje vreme rada (mh) Dozer 8.3 27.497 3.124 Planski zastoji dozera definisani su godišnjim operativnim planom i vezani su za preventivno održavanje (mali, veliki servisi, itd.) koje se sprovodi sa ciljem sprečavanja ili odlaganja pojave otkaza. Neplanski zastoji ...Filip Miletić, Dragan Milčić, Miloš Tanasijević, Miloš Milovančević. "Analiza pouzdanosti dozera angažovanih na površinskim kopovima RB Kolubara" in 10th International Conference Coal 2021, Jugoslovenski komitet za površinsku eksploataciju, Zlatibor (2021)
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Soil oscillation law parameter determination with the application of Lagrange’s theorem at “Kovilovača“ open pit
... effect, scattering the blasted rock mass, and similar are assumed. In order both to evaluate and control the seismic effect of blasting, as well as to plan it, the determi- nation of soil oscillation law is required, with the strike: mine field - facilities to be protected. One of the most commonly used ...
... velocity is enabled for each blast operation in ad- vance, thus blasting is, as regards seismic effect, under control, which gives an op- portunity to plan the magnitude of shock waves for each future blast operation [2]. mailto:suzana.lutovac@rgf.bg.ac.rs;%20%20nebojsa.vidanovic@rgf.bg.ac.rs;%20%20cedomir ...Suzana Lutovac, Nebojša Vidanović, Čedomir Beljić, Zoran Gligorić. "Soil oscillation law parameter determination with the application of Lagrange’s theorem at “Kovilovača“ open pit" in Mining and Metallurgy Engineering Bor, Bor : Mining and Metallurgy Institute Bor (2015). https://doi.org/10.5937/MMEB1503053L
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Old or New, We Repair, Adjust and Alter (Texts)
Cvetana Krstev, Ranka Stanković (2020)U ovom radu predstavljamo kako se e-rečnici i kaskade transduktora konačnih stanja implementirani u alatu Unitex mogu koristiti za rešavanje tri problema transformacije teksta: ispravljanje tekstova nakon OCR-a, vraćanje dijakritičkih znakova i prebacivanje između različitih jezičkih varijanti.ispravka teksta, OCR greške, restauracija dijakritika , jezičke varijante, elektronski rečnik, transduktori konačnih stanja... 19, No. 2, December 2019 Scientific paper Ijekavian ⇒ Ekavian the source text the output text "Na Medicinskom fakultetu u Foči ove godine u planu je multidisciplinarni program pa će moći da konkurǐsu i studenti sa srodnih fakulteta, a što se tiče ostalih, vjerovatno bi u nared- nom periodu ...
... pitanju. Zasad os- taje ovako", kaže on. Cijena školarine za godinu kreće se od 2.500 KM pa navǐse. "Na Medicinskom fakultetu u Foči ove godine u planu je multidisciplinarni program pa će moći da konkurǐsu i studenti sa srodnih fakulteta, a što se tiče ostalih, verovatno bi u nared- nom periodu ...Cvetana Krstev, Ranka Stanković. "Old or New, We Repair, Adjust and Alter (Texts)" in Infotheca, Faculty of Philology, University of Belgrade (2020). https://doi.org/10.18485/infotheca.2019.19.2.3
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Mesozoic carbonate rocks in Serbia used as dimension stone
Vesna Matović, Tijana Vojnović Ćalić (2016)The building industry in Serbia uses, to a great extent, imported natural stone for architectural purposes. The significance of local deposits, particularly limestones, is not adequately perceived despite the country’s abundance of these valuable resources. Therefore, this study focuses on Serbia’s Mesozoic carbonate rocks, specifically on the deposits of four selected quarries: Klisura, Skrzut, Struganik, and Tisnica. The quality and prospects of the application of these limestones has not yet been the subject of a detailed, comprehensive investigation. Therefore, ...... graphs of the Tisnica limestone: a Stromatolite limestones (saw-plane surface); b Fenestral texture of biolitite with geopetal structural patterns; c spherical forms of reddish-pink oncoids in oobiomicrudite (saw-plane surface); and d Completely recrystallized macrofaunal remains ...Vesna Matović, Tijana Vojnović Ćalić. "Mesozoic carbonate rocks in Serbia used as dimension stone" in Bulletin of Engineering Geology and the Environment, Springer Science and Business Media LLC (2016). https://doi.org/10.1007/s10064-015-0722-0
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An Italian-Serbian Sentence Aligned Parallel Literary Corpus
This article presents the construction and relevance of an Italian-Serbian sentence-aligned parallel corpus, delving into the aligned sentences in order to facilitate effective translation between the two languages. The parallel corpus serves as a valuable resource for language experts, researchers, and language enthusiasts, fostering a deeper understanding of linguistic nuances and cultural expressions. By bridging the gap between Serbian and Italian, this corpus opens new avenues for cross-cultural communication and collaboration, and ultimately contributes to the improvement of language-related ...Saša Moderc, Ranka Stanković, Aleksandra Tomašević, Mihailo Škorić. "An Italian-Serbian Sentence Aligned Parallel Literary Corpus" in Review of the National Center for Digitization, Belgrade : Faculty of Mathematics, University of Belgrade (2023). https://doi.org/10.5281/zenodo.11203388
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Structural and geochronological constraints from the Drina-Ivanjica thrust sheet (Western Serbia): implications for the Cretaceous–Paleogene tectonics of the Internal Dinarides
Kristof Porkoláb, Szilvia Kövér, Zsolt Benkó, Gabor Héja, Melinda Fialowski, Balázs Soós, Nataša Gerzina Spajić, Nevenka Đerić, László Fodor (2019)Internal Dinarides, Drina-Ivanjica thrust sheet, Deformation history, K–Ar dating, Obduction, Structural analysis... structure has been observed to be associated with the D, phase except for the rare occurrence of a So» crenulation cleavage (folding the S, axial plane cleavage) in carbonate layers of the Paleozoic and in the Northern Triassic unit. K. Porkolab et al. Dxy structures are dominantly strike-slip ...
... layers in the Drina-Ivanjica Paleozoic (outcrop 032). c Thin section from outcrop 006 (Drina-Ivanjica Paleozoic) showing buckling of the So bedding plane and related S, axial planar Well-preserved fossils and carbonate texture, no sign-of crystalplastic-deformation (D1) cleavage defined by solution ...
... between the calculated shear stress vector of a particular fault and the absolute value of the vector that is requisite to produce slip on that plane. Phi (0) is the ration of stress axes (O> — Ox3)/(C; — O>) results of the measurements. However, if the system reached the high-temperature anchizone ...Kristof Porkoláb, Szilvia Kövér, Zsolt Benkó, Gabor Héja, Melinda Fialowski, Balázs Soós, Nataša Gerzina Spajić, Nevenka Đerić, László Fodor. "Structural and geochronological constraints from the Drina-Ivanjica thrust sheet (Western Serbia): implications for the Cretaceous–Paleogene tectonics of the Internal Dinarides" in Swiss Journal of Geosciences (2019)
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OER obrazovni sadržaji kao spona između akademskog i preduzetničkog znanja
... slobodnim licencama, a koji su namenjeni za učenje, nastavu ili pak istraživački rad. OER sadržaji ne moraju biti striktno u skladu sa nastavnim planom i programom obrazovnih institucija već mogu biti kreirani na različite obrazovne teme [1]. Takođe pod OER sadržajima podrazumevaju se sadržaji kreirani ...Ivan Obradović, Ranka Stanković, Marija Radojičić. "OER obrazovni sadržaji kao spona između akademskog i preduzetničkog znanja" in The fifth Symposium Mathematics and Applications 2014,17-18 October 2014, Belgrade V no. 1, Beograd : Matematički fakultet Univerziteta u Beogradu (2014)
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Mogućnost infracrvene termografije pri detekciji štetnih gasova
Curenje pojedinih gasova je opasnost koja može da izazove velike nezgode. Često je praćeno požarima i eksplozijama koji za posledicu mogu da imaju kako ljudske povrede, tako i štetan uticaj na ekologiju i ekonomiju. Da bi se izbegle takve situacije, preventivna inspekcija je od presudne važnosti. Curenje većine gasova se ne može uočiti golim okom a za otkrivanje i procenu stepena curenja može se koristiti tehnologija toplotnog snimanja (infracrvena termografija). U datom radu predstavljene su mogućnosti i ograničenja primene ...Stevan Đenadić, Vesna Damnjanović, Predrag Jovančić, Dragutin Jovković. "Mogućnost infracrvene termografije pri detekciji štetnih gasova" in VIII Memorijalni naučni skup iz zaštite životne sredine "Docent dr Milena Dalmacija", Novi Sad, 01-02. april 2021., Prirodno-matematički fakultet (2021)
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Hidrogeoekološki aspekti aksploatacije uglja u Pelagonijskom basenu (Makedonija)
Kostadin J. Jovanov (2016-06-24)Leţišta uglja „Suvodol“, „Brod-Gneotino“ su u eksploataciji, a leţište uglja „Ţivojno“je u fazi pripremi. Nalaze se u krajnjem jugoistočnom i juţnom delu Pelagonijskekotline. Sva tri leţišta stvorena su u neogenim sedimentima u jezerskim uslovimasedimentacije u zoni kontakta sa prekambrijumskim kristalastim stenama. Kod sva trileţišta ugalja se javljaju više slojeva različite debljine, u okviru kojih se nalaze klastičnisedimenti (gline, peskovi i dr.). U podini ugljenog basena nalaze se kristalaste steneprekambrijumske starosti.Teren u okolini leţišta uglja karakteriše se umereno kontinentalnom klimom, ...ugalj, podzemne vode, površinske vode, neogeni kompleks, izdani,transmisibilnost, nivo podzemne vode, sniţenje nivoa... novoformiranog reljefa neophodan proces posle svake eksploatacije mineralnih sirovina je izrada plana za rekultivaciju, revitalizaciju i ureĎenje prostora eksploatacionog polja (slika 5.63). Plan za zatvaranje rudnika “Suvodol” pored rekultivacije novonastalih površina predviĎa i formiranje novo ...
... sivozeleni fino stratifikovani slojevi i proslojci peska, peskovitih glina, alevrolita i glina u naizmeničnom smenjivanju. Isti postepeno isklinjavaju u planu i profilu. Debljina pomenutih sedimenata u okviru Suvodolskog ugljenog basena je promenljiva i u zavisnosti od morfologije paleoreljefa kreće se ...
... gornjepaludinskih slojeva nastaje i meĎuslojna „jalovinska“ serija i glavni ugljeni sloj koji je trenutno u eksploataciji. Serija je veoma heterogena u planu i profilu. Međuslojna “jalovinska” serija zahvata prostor izmeĎu glavnog ugljenog sloja koji je u eksploataciji, glavnog podinskog i sledeća dva ...Kostadin J. Jovanov. "Hidrogeoekološki aspekti aksploatacije uglja u Pelagonijskom basenu (Makedonija)" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-06-24)
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Osnovi hidrogeologije
Petar Dokmanović (2021)... specifične strukture poroznosti stena i dimenzija karstnih kanala. IX DEO: KVALITET PODZEMNIH VODA (1) U prethodnim delovima udžbenika, u prvom planu je bio aspekt njihovog kvantiteta, odnosno, (raspoloživih) količina: počev od bilansa voda, preko poroznosti, hidrogeoloških svojstava stena i tipova ...
... Geološka građa istražnog prostora, odnosno, litološki sastav i tektonske (strukturno-geološke) karakteristike i njihova prostorna promenljivost u planu i profilu, u najvećoj meri određuju poroznost stena, koja neposredno utiče na to da li će se i koliko slobodnih PV „akumulirati“ u podzemlju i činiti ...
... procesa Prostorni raspored i dimenzije raseda i pukotina “diktiraju”, odnosno, usmeravaju prodiranje i kretanje vode i razvoj karstnog procesa u planu (slika 6.5.1.1) i profilu. Pored tektonske predispozicije, intenzitet razvoja karbonatnog karsta zavisi i od mineraloško- petroloških svojstava stena ...Petar Dokmanović. Osnovi hidrogeologije, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet, 2021
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Development of terminological resources for expert knowledge: a case study in mining
Ljiljana Kolonja, Ranka Stanković, Ivan Obradović, Olivera Kitanović, Aleksandar Cvjetić. "Development of terminological resources for expert knowledge: a case study in mining" in Knowledge Management Research & Practice, Palgrave Macmillan (2015). https://doi.org/10.1057/kmrp.2015.10
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Spatial assessment of the areas sensitive to degradation in the rural area of the municipality Čukarica
Nature and Landscape Conservation, Soil Science, Agronomy and Crop Science, Water Science and TechnologyNatalija Momirović, Ratko Kadović, Veljko Perović, Miloš Marjanović, Aleksandar Baumgertel. "Spatial assessment of the areas sensitive to degradation in the rural area of the municipality Čukarica" in International Soil and Water Conservation Research, Elsevier BV (2019). https://doi.org/10.1016/j.iswcr.2018.12.004
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Improvement of geodatabase queries within GeolISS
Ranka Stanković (2008)... , with various methods used for creating digital data. The most common method of data creation is digitization, where a hard copy map or research plan is transferred to digital form by means of a computer-aided design program and geo-referencing capabilities. Geological data correspond to real ...Ranka Stanković. "Improvement of geodatabase queries within GeolISS" in Review of the National Center for Digitization, Beograd : Faculty of Mathematics, Belgrade (2008)
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Mogućnost korišćenјa toplotnih pumpi sa otpadnom toplotom iz postrojenјa za prečišćavanјe otpadnih voda kao toplotnim izvorom
U narednom periodu se planira izgradnja nekoliko desetina sistema za prečišćavanje otpadnih voda u većim gradovima u Srbiji. Iskustva iz postrojenja koja su trenutno u radu, pokazuju da bi prečišćena otpadna voda, s obzirom na protok i temperaturu, mogla da predstavlja značajan izvor obnovljive energije. U radu su prikazani primeri dobre prakse korišćenja ove energije u sistemima daljinskog grejanja u zemljama Evropske unije. Analiziran je rad postrojenja za prečišćavanje otpadnih voda u Šapcu i razmotrena je mogućnost njegovog korišćenja ...... mogu iskoristiti jedino u sistemima daljinskog grejanja (SDG). Nijedan od pomenutih izvora energije se u Srbiji ne koristi [5]. Međutim, postoje planovi [6] da se u svim naseljima u Srbiji, koja su veća od 2.000 ekvivalentnih stanovnika (ES), do 2041. godine izgrade PPOV, a može se usvojiti da je ...Dejan Ivezić, Marija Živković, Aleksandar Madžarević, Boban Pavlović. "Mogućnost korišćenјa toplotnih pumpi sa otpadnom toplotom iz postrojenјa za prečišćavanјe otpadnih voda kao toplotnim izvorom" in Energija, Ekonomija, Ekologija, University Library in Kragujevac (2021). https://doi.org/10.46793/EEE21-1.11I
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Industrija 4.0 - koncept prediktivnog održavanja 4.0 (PdM 4.0) u rudarstvu
Četvrtu industrijsku revoluciju – Industriju 4.0 karakteriše upotreba cyber-fizičkih sistema. Da bi se postigla optimalna strategija održavanja (ali i eksploatacije), neophodno je razviti sisteme koji podržavaju napredne inteligentne sisteme održavanja ili tehnologije pametnog održavanja. Iz toga su proizašli postulati Prediktivnog održavanja 4.0 (PdM 4.0) koji definišu veoma blisku budućnost u oblasti održavanja tehničkih sistema pa i rudarske opreme. PdM 4.0 uključuje iskorišćenje snage veštačke inteligencije za stvaranje stalnog uvida u otkrivanje uzroka i anomalija u radu opreme, koje se ...Predrag Jovančić, Vesna Damnjanović, Dragan Ignjatović, Miloš Tanasijević, Stevan Đenadić. "Industrija 4.0 - koncept prediktivnog održavanja 4.0 (PdM 4.0) u rudarstvu" in IX Međunarodna konferencija UGALJ 2019, Zlatibor, Srbija, 23-26. oktobar 2019., Jugoslovenski komitet za površinsku eksploataciju (2019)
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Rock slope stability analysis under Hoek–Brown failure criterion with different flow rules
The stability analysis of homogeneous rock slope following the Hoek–Brown failure criterion under the hypothesis of different flow rules is performed based on limit equilibrium and finite element methods. The applied failure criterion is the generalized Hoek–Brown that can be introduced as a shear/normal function in analysis applying different flow rules. The results are compared with those obtained by the application of equivalent shear strength parameters of the Mohr–Coulomb criterion, considering that this is still the most widely used ...Kružna klizna površ, Huk-Braunov kriterijum loma, Kriterijum popuštanja, Smičuća/normalna funkcija, Nivo napona, Verovatnoća i parametarska analizaSvetlana Melentijević, Zoran Berisavljević, Dušan Berisavljević, Claudio Olalla Marañón . "Rock slope stability analysis under Hoek–Brown failure criterion with different flow rules" in Bulletin of Engineering Geology and the Environment , Springer (2024). https://doi.org/10.1007/s10064-024-03667-0
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A Knowledge-Based Approach to Mine Ventilation Planning in Yugoslav Mining Practice
Ventilation system analysis is a complex process based on the calculation and analysis of numerous parameters. These problems can be successfully solved by the SimVent numerical package, but a full understanding and use of the obtained results require the involvement of an experienced specialist in the ventilation field. The solution was found in the creation of a hybrid system INVENTS, whose knowledge base represents a formalization of the expert knowledge in the mine ventilation field. In this paper, we ...... planning and design of technological systems for deposit exploitation. System planning is an introductory activity for the design process. In the plan- ning phase, the key relations that have to be taken into account during the design phase are identified. The first activity in the mine ventilation ...
... ventilation network, which are interactively connected. SimVent can be used for the analysis of venti- lation system stability in mine defense and rescue plan verification, within mine ventilation services, design and research companies. We chose Visual Studio 6.0 as the programming environment for the devel- ...Nikola Lilić, Ivan Obradović, Ranka Stanković. "A Knowledge-Based Approach to Mine Ventilation Planning in Yugoslav Mining Practice" in Mineral Resources Engineering 11 no. 4, Imperial College Press (2002): 361-382. https://doi.org/10.1142/S0950609802001014
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Upper Miocene depositional environments of the Kikinda-Mokrin High (Serbia)
Saša Ivanišević, Dejan Radivojević (2018)Exploration for oil and gas in mature areas, such as the Pannonian Basin, can benefit from reexamination of old data using more advanced modern workflows that focus on the temporal and spatial aspects of sediment deposition. Specifically, we apply a new environment of deposition model that interprets the Upper Miocene- Pliocene sediments as being deposited in a rapidly filling basin characterized by quick shelf edge progradation from the northwest toward the southeast. Reconstruction of this shelf edge trajectory reveals ...Saša Ivanišević, Dejan Radivojević. "Upper Miocene depositional environments of the Kikinda-Mokrin High (Serbia)" in Interpretation, AAPG SEG (2018). https://doi.org/10.1190/INT-2017-0084.1