Претрага
1272 items
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Status and tendencies under development and application of underground coal gasification-UCG
Podzemna gasifikacija uglja u Svetu poslednjih decenija doživljava znatnu ekspanziju u istraživanju i razvoju zbog uveliko iskorišćenih ležišta uglja i loših ekoloških efekata (pri sagorevanju u TE) na životnu okolinu. Srbija ima znatne rezerve uglja, a kada bi se za PGU koristile samo vanbilansne rezerve i otkopni ostaci bilansnih, jasno je kakvi bi bili ekonomski (a i energetski i ekološki) efekti. U radu su sagledane aktivnosti u Svetu na tom planu, pa smatramo da ima smisla i potrebe za primenu ove ...David Petrović, Lazar Kričak, Stefan Milanović, Jovan Marković, Nikola Simić. "Status and tendencies under development and application of underground coal gasification-UCG" in International Conference “Energy and Ecology Industry EEI2018”, Beograd : Akademija inženjerskih nauka Srbije (AINS) (2018)
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Applying the Fuzzy Inference Model in Maintenance Centered to Safety: Case Study – Bucket Wheel Excavator
Predrag Jovančić, Miloš Tanasijević, Vladimir Milisavljević, Aleksandar Cvjetić, Dejan Ivezić, Uglješa Bugarić (2020)Predrag Jovančić, Miloš Tanasijević, Vladimir Milisavljević, Aleksandar Cvjetić, Dejan Ivezić, Uglješa Bugarić. "Applying the Fuzzy Inference Model in Maintenance Centered to Safety: Case Study – Bucket Wheel Excavator" in Applications and Challenges of Maintenance and Safety Engineering in Industry 4.0 , Pennsylvania : IGI Global (2020). https://doi.org/10.4018/978-1-7998-3904-0
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Speleo‐morphology and tectonic processes – What can be seen in slowly deforming regions?
Ana Mladenović, Jelena Ćalić (2022)There are a lot of methods used to determine tectonic process active in a region, and they vary depending on the purpose of the research. However, a number of them cannot be used in slowly deforming regions, because the effects of active tectonic process on the rocks in such regions could be negligible. This is especially true for the recently active tectonics in such regions, since most of the recently active tectonic structures never reach the surface. Because of ...Ana Mladenović, Jelena Ćalić. "Speleo‐morphology and tectonic processes – What can be seen in slowly deforming regions?" in 18th International Congress of Speleology, Savoie Mont Blanc, 24-31 July 2022, Postojna : International Union of Speleology (2022)
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Geotehnički efekti razaranja komunalnog otpada različitim postupcima zbijanja
Jovana M. Janković Pantić (2022)Odlaganje otpada na komunalne deponije predstavlja osnovni način zbrinjavanja otpada u Srbiji. Kako bi se prostor za deponovanje materijala racionalno koristio potrebno ga je svakodnevno zbijati sa unapred definisanom količinom vode koja se dodaje. Dobro zbijeni komunalni otpad zauzima manju zapreminu i omogućuje sigurnije skladištenje, pa je korisno prethodno laboratorijski odrediti parametre zbijanja: maksimalnu suvu zapreminsku težinu (dmax) i optimalnu vlažnost (wopt). U Srbiji do sada nisu određivani parametri zbijanja, dok je u svetu primenjivana standardna metoda (Proktorov opit) ...Jovana M. Janković Pantić. Geotehnički efekti razaranja komunalnog otpada različitim postupcima zbijanja, Beograd : [J. Janković Pantić], 2022
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Споменица 1991. – 2015. година: 135 година геологије и 70 година рударства на Универзитету у Београду
... tigations for the Design of Foundation of the Bridge Across Danube River in Novi Sad – Yugoslavia. Geotechnical Special Publication, No. 116 – Deep Foundations 2002, ASCE, Orlando, USA. RAKIĆ D., ĆORIĆ S., ŠUŠIĆ N., 2010: Application of EC 7 standards in defining geotechnical conditions for the kiln ...
... multi-criteria decision- making model for choice of the optimal solution for meeting heat demand in the centralized supply system in Belgrade. Energy, 67, 341–350. TANASIJEVIĆ M., IVEZIĆ D., JOVANČIĆ P., ĆATIĆ D., ZLATANOVIĆ D., 2013: Study of Dependability Evaluation for Multi-hierarchical Systems Based ...
... 2014: A System for Named Entity Recognition Based on Local Grammars. Journal of Logic and Compu- tation, Vol. 24, No. 2, pp. 473–489. STANKOVIĆ R., OBRADOVIĆ I., UTVIĆ M., 2014: “Developing Termbases for Expert Terminology under the TBX Standard” Natural Language Processing for Serbian – Resources ...главни и одговорни уредник Душан Поломчић. Споменица 1991. – 2015. година: 135 година геологије и 70 година рударства на Универзитету у Београду, Београд : Универзитет у Београду, Рударско-геолошки факултет, 2016
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Correlability of Solar Wind with Seismic Events in the Balkan Peninsula Zone
The Solar Heliospheric Observatory (SOHO) satellite was launched on the 2nd of December 1995 at L1 Lagrange point (1.5×106 km from Earth) with the purpose of gathering data for helioseismology, remote sensing of the solar atmosphere, and solar wind in situ. The satellite was positioned into orbit in early 1996, with data acquisition expected to commence on January 20th. The correlation between increased values of solar wind parameters and earthquakes in the Balkan peninsula zone between 1996 and 2018 ...Filip Arnaut, Dejan Vučković, Ivana Vasiljević, Vesna Cvetkov. "Correlability of Solar Wind with Seismic Events in the Balkan Peninsula Zone" in Geološki anali Balkanskog poluostrva, Beograd : Univerzitet u Beogradu - Rudarsko geološki fakultet (2021). https://doi.org/10.2298/GABP211029008A
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From ELTeC Text Collection Metadata and Named Entities to Linked-data (and Back)
In this paper we present the wikification of the ELTeC (European Literary Text Collection), developed within the COST Action ``Distant Reading for European Literary History'' (CA16204). ELTeC is a multilingual corpus of novels written in the time period 1840—1920, built to apply distant reading methods and tools to explore the European literary history. We present the pipeline that led to the production of the linked dataset, the novels’ metadata retrieval and named entity recognition, transformation, mapping and Wikidata population, ...Milica Ikonić Nešić, Ranka Stanković, Christof Schöch and Mihailo Škorić. "From ELTeC Text Collection Metadata and Named Entities to Linked-data (and Back)" in Proceedings of The 8th Workshop on Linked Data in Linguistics within the 13th Language Resources and Evaluation Conference, June 2022, Marseille, France, European Language Resources Association (2022)
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Hydrodynamic analysis application of contaminated groundwater remediation to oil hydrocarbons
U ovom radu sagledana je primena hidrodinamičke analize u okviru odabrane remedijacione metode ,,pumpanja i tretiranja” kontaminiranih podzemnih voda ugljovodonicima, na primeru pretakališta rafinerije nafte u Pančevu. Primenjena hidrodinamička analiza predstavlja pravilan, a sve češće i neophodan pristup u savremenoj hidrogeologiji. Prethodnim hemijskim analizama uzoraka tla i podzemnih voda na istražno-osmatračkim objektima detektovano je zagađenje produktima nafte. Novoizvedena istraživanja obuhvatila su izvođenje 12 pijezometara različitih dubina, geoelektrično sondiranje tla, ,,in situ” merenja prisutnog kontaminanta, izdvojenog kao hidrofobna faza LNAPL, ...Predrag Pajić, Aleksandar Čalenić, Dušan Polomčić, Dragoljub Bajić. "Hydrodynamic analysis application of contaminated groundwater remediation to oil hydrocarbons" in Tehnika, Centre for Evaluation in Education and Science (CEON/CEES) (2018). https://doi.org/10.5937/tehnika1706825P
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Simulation of groundwater regime and quantification of groundwater balance by means of hydrodynamic analysis: Case of open-cast mine 'Jakovačka Kumša'
Hidrodinamička analiza, kao metodološki postupak, korišćena je za simulaciju režima i kvantifikaciju bilansa podzemnih voda na širem području Površinskog kopa „Jakovačka Kumša“. Istražni prostor obuhvata i deo beogradskog izvorišta podzemnih voda koje se nalazi u neposrednoj blizini površinskog kopa, u priobalju reke Save. Na površinskom kopu se vrši eksploatacija peska, koji se koristi kao građevinski materijal. Analizom i sintezom podataka koji se odnose na geološke i hidrogeološke ka-rakteristike područja, u radu je prikazan trodimenzionalni hidrogeološki model istražnog područja. Prevođenje ...hidrogeološki model, hidrodinamički model, izvorište podzemnih voda, numerička metoda konačnih razlika, ModflowDušan Polomčić, Dragoljub Bajić, Jelena Ratković, Đorđije Božović, Predrag Pajić. "Simulation of groundwater regime and quantification of groundwater balance by means of hydrodynamic analysis: Case of open-cast mine 'Jakovačka Kumša'" in Tehnika, Centre for Evaluation in Education and Science (CEON/CEES) (2019). https://doi.org/10.5937/tehnika1901056P
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Hidrodinamički proračun zaštite površinskog kopa Drmno od podzemnih voda u periodu 2018-2022. godina
Površinski kop lignita Drmno nalazi se u blizini velikih reka (Dunav i Mlava), zbog čega eksploatacija otkrivke i lignita u velikoj meri zavisi od sistema zaštite od podzemnih voda. Ukoliko je sistem zaštite od podzemnih voda dobro isplaniran, a njegov kapacitet dobro proračunat, onda će se eksploatacija obavljati u suvoj sredini, što podrazumeva sigurnu proizvodnju otkrivke i lignita. U današnje vreme uz primenu adekvatnih softvera olakšano je kvalitetno planiranje i proračunavanje sistema za zaštitu površinskih kopova od podzemnih voda. ...Dušan Polomčić, Tomislav Šubaranović, Zoran Stojićević. "Hidrodinamički proračun zaštite površinskog kopa Drmno od podzemnih voda u periodu 2018-2022. godina" in Zbornik apstrakata sa 9. Međunarodne konferencije Ugalj, Zlatibor, 2019., Jugoslovenski komitet za površinsku eksploataciju (2019)
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Ecological status of the Lim river alluvium in Serbia
Amel Kurbegović, Boris Vakanjac, Vesna Ristić Vakanjac, Mirjana Bartula, Zorana Naunović, Nikola Milovanović, Jovan Kovačević (2022)Three countries share the catchment of the Lim River and they have been engaged in an eco-logical struggle for years, to conserve the river, its tributaries, and biodiversity. Honoring international conventions and declarations, along with active involvement of the civil society and support of Eu-ropean Union agencies, major efforts are being made to draw attention to the degradation of nature, especially water, which is essential for life on the planet Earth. Considering that natural resources are limited and that ...Amel Kurbegović, Boris Vakanjac, Vesna Ristić Vakanjac, Mirjana Bartula, Zorana Naunović, Nikola Milovanović, Jovan Kovačević. "Ecological status of the Lim river alluvium in Serbia" in Fresenius Environmental Bulletin, Parlar Scientific Publications (2022)
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Fluid inclusion study in quartz of the Rudnik Pb-Zn-Cu-Ag skarn deposit, Serbia
Six types of fluid inclusions were identified in three growth zones of hydrothermal quartz from the Rudnik skarn deposit. In the core zone, primary two-phase fluid inclusions of high (type 1) and moderate salinity (type 2) homogenized to liquid between 350-430 °C and 340-420 °C, respectively. Raman analysis revealed that the vapour phases are a CO2-CH4 gas mixture, with a predominance of CO2. The core contains and dispersed vapour-rich fluid inclusions of low salinity (type 3) composed of CO2-CH4-H2S ...Stefan Petrović, Ronald J. Bakker, Vladica Cvetković, Rade Jelenković. "Fluid inclusion study in quartz of the Rudnik Pb-Zn-Cu-Ag skarn deposit, Serbia" in Mineral Resources in a Changing World-17th SGA Biennial Meeting, Zurich, between 28th August and 1st September 2023, Genéve : Society for Geology Applied to Mineral Deposits (2023)
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Značaj izvodjenja Proktorovog opita na komunalnom otpadu
Komunalni otpad predstavlja jedan od ključnih problema današnjice. U Srbiji je najčešći vid odlaganja otpada na komunalne deponije i zbog toga je bitno ispravno i sigurno ga skladištiti. Zbijanje komunalnog otpada predstavlja jednu od osnovnih komponenti procesa odlaganja. Kako bi se što bolje predvidelo ponašanje komunalnog otpada neophodno je pre zbijanja na terenu laboratorijski odrediti maksimalnu suvu zapreminsku težinu i optimalnu vlažnost. U dosadašnjoj praksi u svetu za to se koristi standardizovan Proktorov opit. U radu će biti prikazani ...... maximum dry unit weight and optimal moisture content before compaction in the terrain, for which Standard Proctor test has been used in the world current practice. This paper presents the results of the Proctor test for municipal waste taken from the dump in Plandište. KEY WORDS: municipal solid waste ...
... access, as well as the employees' publications. - The Repository is available at: www.dr.rgf.bg.ac.rs See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/340660301 THE IMPORTANCE OF PROCTOR TEST PERFORMANCE ON MUNICIPAL SOLID WASTE Conference ...Jovana Janković, Dragoslav Rakić, Tina Đurić, Irena Basarić Ikodinović, Laslo Čaki. "Značaj izvodjenja Proktorovog opita na komunalnom otpadu" in Zbornik radova osmog naučno-stručnog međunarodnog savetovanja - Geotehnički aspekti građevinarstva, Savez građevinskih inženjera Srbije (2019)
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Korelacija magnetnog susceptibiliteta i sadržaja metala u flotacijskom jalovištu
Procena metala u rudama, jalovištu i zemljištu se tradicionalno određuje hemijskim metodama kao što su Rengen fluorescentna analiza (XRF), Instrumentalna neutronska aktivaciona analiza (INAA) i Masena spektrometrija induktivno spregnute plazme (ICP-MS). Neke od pomenutih metoda su veoma zahtevne i skupe, te se nametnula potreba ka traženju jeftinijeg alata za brzu procenu prisustva pojedinih metala. Tokom poslednjih nekoliko decenija, mnoge studije su pokazale da su magnetna merenja dovoljno osetljiva da detektuju magnetni signal feromagnetnih materijala, a samim tim i metala ...Filip Abramović, Vesna Cvetkov, Aco Ilić, Dragana Životić. "Korelacija magnetnog susceptibiliteta i sadržaja metala u flotacijskom jalovištu" in 18. Kongres geologa Srbije "Geologija rešava probleme", Divčibare, 01-04 jun 2022., Srpsko geološko društvo (2022)
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Late Triassic radiolarians from the Grivska formation, internal Dinarides, SW Serbia
Paleontology, Stratigraphy, Economic Geology, Geochemistry and Petrology, Geology, Geophysics, Geotechnical Engineering and Engineering Geology... geological studies, and the Grivska For- mation was defined and mapped mostly on the base ofits macroscopic lithological attributes, without bios- tratigraphic and detailed microfacies investigations. As a result, the term Grivska Formation has been used broadly for the all Ladinian to Late Jurassic ...
... misleading way for all Middle Triassic to Middle (?) Jurassic grey cherty limestone succes- sions {e.g. DIMITRIJEVIĆ, 1997; DIMITRIJEVIĆ et al., 2003; RADO- VANOVIĆ et al., 2004; CHIARI et al., 2011). GAWLICK et al. (2017) offered definitions and emendations of some for- mations in the ...
... synchronous with the lower part of Wetterstein Formation (Ladinian) (DIMITRIJEVIĆ & DIMITRIJEVIĆ, 1991). According to DIMITRIJEVIĆ [1997), the Grivska For- mation is represented only by huge olistoplakes that are in tectonic contacts with the surrounding rocks. Therefore it was difficult to reconstruct ...Nikita Bragin, Liubov Bragina, Nevenka Đerić, Nataša Gerzina-Spajić. "Late Triassic radiolarians from the Grivska formation, internal Dinarides, SW Serbia" in Geološki anali Balkanskoga poluostrva (2019). https://doi.org/10.2298/GABP1901017B
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Rezultati geoloških istraživanja lignita Kostolačko-kovinskog ugljonosnog basena – geološke i morfostrukturne karakteristike
Bogoljub Vučković, Biljana Radovanović, Vesna Matić, Lidija Glamočanin, Bogdan Radić, Ksenija Eraković, Dragana Životić (2022)Geološka istraživanja Kostolačkog basena i ležišta Kovin vrše se više od 80 godina, dok eksploatacija traje više od 100 godina. Tokom dugog perioda rudarskih aktivnosti na površini od oko 320 km2, izbušeno je preko 3.200 bušotina i više od 265.000 m jezgra. Nova saznanja o geološkim karakteristikama, morfologiji i kvalitetu ugljenih slojeva nameću neophodnost reinterpretacije i izrade jedinstvenog 3D modela Kostolačko-kovinskog basena. Primenom savremenih softverskih paketa olakšano je povezivanje ugljenih slojeva sa posebnim osvrtom na morfologiju i kvalitet slojeva i ...Bogoljub Vučković, Biljana Radovanović, Vesna Matić, Lidija Glamočanin, Bogdan Radić, Ksenija Eraković, Dragana Životić. "Rezultati geoloških istraživanja lignita Kostolačko-kovinskog ugljonosnog basena – geološke i morfostrukturne karakteristike" in 18. Kongres geologa Srbije "Geologija rešava probleme", Divčibare, 01-04 jun 2022., Srpsko geološko društvo (2022)
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Analiza hidrauličke veze između reke Save i podzemnih voda na izvorištu za vodosnabdevanje Obrenovca
Na izvorištu „Vić bare“ formiranom u aluvijonu Save za vodosnabdevanje Obrenovca u poslednje dve decenije izvedeno je više detaljnih hidrogeoloških istraživanja u cilju utvrđivanja rezervi podzemnih voda i izdvajanja zona sanintarne zaštite. Monitoring podzemnih voda u celoj zoni izvorišta, za potrebe izrade hidrodinamičkog modela, omogućio je i hidrauličku analizu odnosa površinskih voda reke Save i podzemnih voda na izvorištu sa kojeg se trenutno zahvata do 310 l/s vode. U radu su prikazani rezultati korelacione analize, odnosno ispitivanja na ...Dragoljub Bajić, Bojan Hajdin, Dušan Polomčić, Vesna Ristić Vakanjac. "Analiza hidrauličke veze između reke Save i podzemnih voda na izvorištu za vodosnabdevanje Obrenovca" in XVI Srpski simpozijum o hidrogeologiji sa međunarodnim učešćem, Zlatibor, 28.09.-02.10.2022., Beograd : Rudarsko-geološki fakultet (2022)
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Compaction of Municipal Solid Waste
Jovana Janković Pantic, Dragoslav Rakić, Tina Đurić, Irena Basarić Ikodinović, Snežana Bogdanović (2022)Regardless of the numerous activities undertaken to reduce municipal solid waste, its annual volumes continue to grow. In Serbia, the most common and the only one form of waste disposal is at municipal landfills with daily compaction and soil covering. Municipal waste compacting is one of the basic components of the disposal process. Well compacted waste takes up less volume and allows much safer storage. In order to better predict the behavior of municipal waste at landfills, it is ...Jovana Janković Pantic, Dragoslav Rakić, Tina Đurić, Irena Basarić Ikodinović, Snežana Bogdanović. "Compaction of Municipal Solid Waste" in ICEG 2022: International Conference on Environmental Geotechnics, World Academy of Science, Engineering and Technology (2022)
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A treatise about reliability in dating events of evolutionary history of brown trout Salmo cf. trutta (Actinopterygii) at Western Balkans: Impassable barriers, isolation of populations and assistance of geological timeframe
Ana Marić, Danica Srećković Batoćanin, Dubravka Škraba Jurlina, Miloš Brkušanin, Jelena Karanović, Tamara Kanjuh, Vera Nikolić, Danilo Mrdak, Predrag Simonović (2023)Distribucija različitih haplotipova pastrmke u zavisnosti od geoloških dogadjaja.Ana Marić, Danica Srećković Batoćanin, Dubravka Škraba Jurlina, Miloš Brkušanin, Jelena Karanović, Tamara Kanjuh, Vera Nikolić, Danilo Mrdak, Predrag Simonović. "A treatise about reliability in dating events of evolutionary history of brown trout Salmo cf. trutta (Actinopterygii) at Western Balkans: Impassable barriers, isolation of populations and assistance of geological timeframe" in Acta Ichthyologica et Piscatoria, Pensoft Publishers (2023). https://doi.org/ 10.3897/aiep.53.97702
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The first record of nautiloids (Cenoceras intermedius) from the early Pliensbachian of Rgotina, (Getic nappe, eastern Serbia)
Cenoceras intermedius (J. Sowerby) is one of the most widespread species among the Early Jurassic nautiloid fauna and its geological range still controversial up to the present day. The specimen of Cenoceras intermedius from the sandy bioclastic limestones of Rgotina (Getic nappe of eastern Serbia), is a large half conch representing the phragmocone. Viewing our findings in light of previous results suggests the main morphological changes occurred during the ontogenetic evolution. The coiling starts with a round-square whorl section, ...Cephalopoda, Cenoceras intermedius, ontogenetic changes, geological range, northwestern Neo-Tethys, PliensbachianPaul Țibuleac, Barbara V. Radulović, Marinko Toljić. "The first record of nautiloids (Cenoceras intermedius) from the early Pliensbachian of Rgotina, (Getic nappe, eastern Serbia)" in Historical Biology, Informa UK Limited (2020). https://doi.org/10.1080/08912963.2020.1821003