Претрага
4771 items
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Definition of the size of the Krupac spring drainage area (Carpatho-Balkanide Arch, Southern Serbia) for a Karst Aquifer Water Balance
Ristić-Vakanjac Vesna, Prohaska Stevan, Polomčić Dušan. "Definition of the size of the Krupac spring drainage area (Carpatho-Balkanide Arch, Southern Serbia) for a Karst Aquifer Water Balance" in Conference on Water observation and information system for decision support, 25-29 May 2010 Ohrid, Republic of Macedonia, Skopje, Macedonia: Faculty of civil engineering (2010): 1-10
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Dijagnostikovanje pogonskih grupa i noseće čelične konstrukcije rotornog bagera pri izboru rotornog bagera za selektivan rad na otkopavanju lignita
Jovančić Predrag, Tanasijević Miloš (2010)Jovančić Predrag, Tanasijević Miloš. "Dijagnostikovanje pogonskih grupa i noseće čelične konstrukcije rotornog bagera pri izboru rotornog bagera za selektivan rad na otkopavanju lignita" in IX Međunarodna konferencija o površinskoj eksploataciji OMC 1, Vrnjačka banja:Univerzitet u Beogradu - Rudarsko-geološki fakultet (2010): 40-51
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Landslide events in Serbia in May 2014: An overview
Marjanović Miloš, Abolmasov Biljana, Đurić Uroš, Bogdanović Snežana, Krautblatter Michael. "Landslide events in Serbia in May 2014: An overview" in Abstract book - 2nd Regional Symposium on Landslides in the Adriatic-Balkan Region - 2nd ReSyLAB 2015 1 no. 1, Beograd, Srbija:University of Belgrade, Faculty of Mining and Geology, Belgrade (2015): 157-157
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Permanent geodetic monitoring of the Umka Landslide using GNSS techonology and GeoMoss system
Erić Verica, Božić Branko, Pejić Marko, Abolmasov Biljana, Pandžić Jelena. "Permanent geodetic monitoring of the Umka Landslide using GNSS techonology and GeoMoss system" in Abstract book - 2nd Regional Symposium on Landslides in the Adriatic-Balkan Region - 2nd ReSyLAB 2015 1 no. 1, Beograd, Srbija:University of Belgrade, Faculty of Mining and Geology, Belgrade (2015): 39-39
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The analysis of landslide dynamics based on automated GNSS monitoring
Abolmasov Biljana, Pejić Marko, Šušić Vladimir. "The analysis of landslide dynamics based on automated GNSS monitoring" in Proceeding of the 1st Regional Symposium on Landslides in the Adriatic-Balkan Region - 1st ReSyLAB 2013 1 no. 1, Zagreb, Croatia:Univesrity of Zagreb, Faculty of Minig, geology and Petroleum Engineering and University of Rijeka, Faculty for Civil Engineering (2015): 187-191
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Preliminary results of the Selanac debris flow modelling in RAMS - a case study
Krušić Jelka, Andrejev Katarina, Abolmasov Biljana, Marjanović Miloš. "Preliminary results of the Selanac debris flow modelling in RAMS - a case study" in Proceeding of the 3rd Regional Symposium on Landslides in the Adriatic-Balkan Region, Ljubljana 2017, 11 - 13 October 2017 Ljubljana, Slovenia, Book of Abstracts 1, Ljubljana:Geological Survey of Slovenia (2017): 38
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Automated GNSS monitoring of Umka landslide - Review of seven years experience and results.
Abolmasov Biljana, Pejić Marko, Samardžić Petrović Mileva, Đurić Uroš, Milenković Svetozar. "Automated GNSS monitoring of Umka landslide - Review of seven years experience and results." in Proceeding of the 3rd Regional Symposium on Landslides in the Adriatic-Balkan Region, Ljubljana 2017, 11 - 13 October 2017 Ljubljana, Slovenia, Book of Abstracts 1, Ljubljana:Geological Survey of Slovenia (2017): 32
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The subsurface geology along the route of the new bridge at Ada Ciganlija Island (Belgrade, Serbia)
Knežević Slobodan, Rundić Ljupko, Ganić Meri. "The subsurface geology along the route of the new bridge at Ada Ciganlija Island (Belgrade, Serbia)" in Geološki anali Balkanskoga poluostrva 1 no. 73, Beograd:Univerzitet u Beogradu, Rudarsko-geološki fakultet (2012): 9-19. https://doi.org/10.2298/GABP1273001R
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Crystal structure of cobalt-substituted calcium hydroxyapatite nano-powders prepared by hydrothermal processing
Veselinović Ljiljana, Karanović Ljiljana, Stojanović Zoran, Bračko Ines, Marković Smilja, Ignjatović Nenad, Uskoković Dragan (2010)Veselinović Ljiljana, Karanović Ljiljana, Stojanović Zoran, Bračko Ines, Marković Smilja, Ignjatović Nenad, Uskoković Dragan. "Crystal structure of cobalt-substituted calcium hydroxyapatite nano-powders prepared by hydrothermal processing" in Journal of Applied Crystallography 43 no. 2, Rosenoerns Alle 1; PO Box 227; Copenhagen V, 1502; Denmark:Blackwell Munksgaard (2010): 320-327. https://doi.org/10.1107/S0021889809051395
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The effect of the content of unburned carbon in bottom ash on its applicability for road construction
Trifunović Prvoslav, Marinković Slobodanka, Tokalić Rade, Matijašević Srdjan. "The effect of the content of unburned carbon in bottom ash on its applicability for road construction" in Тhermochimica Acta, 20 January 2010 498 no. 1–2, Amsterdam, Netherlands:Elsevier BV (2010): 1-6. https://doi.org/10.1016/j.tca.2009.10.022
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Indexing of textual databases based on lexical resources: A case study for Serbian
In this paper we describe an approach to improvement of information retrieval results for large textual databases by pre-indexing documents using bag-of-words and Named Entity Recognition. The approach was applied on a database of geological projects financed by the Republic of Serbia in the last half century. Each document within this database is described by metadata, consisting of several fields such as title, domain, keywords, abstract, geographical location and the like. A bag of words was produced from these ...... them. For indexing we used only three top level types: personal names, locations and organizations and their distribution is presented in Table 1. Table 1. Distribution of three top-level NEs: persons, locations and organizations NE type Frequency Average per doc % of the text person 11,991 2.45 1 ...
... frequency [8]. Index- ing is performed in following steps: 1. Generating a Di text from several records and fields in the database related to a particular document or project; 2. Lemmatizing and Part-Of-Speech tagging of all texts Di, where i = 1, . . . N and N is the size of text collection; 3. Recognizing ...
... form of the word (two matches highlighted in green in Figure 1). The new system ranks it as the first because the td idf of this term for this document is calculated on the basis of its frequency nj = 12 (ten additional matches are in Figure 1 highlighted in yellow). Due to its simple pattern matching ...Ranka Stanković, Cvetana Krstev, Ivan Obradović, Olivera Kitanović. "Indexing of textual databases based on lexical resources: A case study for Serbian" in Semantic Keyword-based Search on Structured Data Sources : First COST Action IC1302 International KEYSTONE Conference, IKC 2015, Coimbra, Portugal, September 8-9, 2015. Revised Selected Papers, Springer (2015). https://doi.org/10.1007/978-3-319-27932-9_15
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Development of A Business Intelligence Tool For Accident Analysis in Mines
... glave 11 11 noga 22 13 19 54 gležanj 5 2 3 10 koleno 6 2 7 15 nadkolenica 11 2 1 14 podkolenica 3 4 7 prsti noge 2 2 stopalo 2 4 6 ruka 11 26 18 55 nadlaktica 8 1 9 podlaktica 3 1 4 prsti na ruci 11 5 4 20 rame 1 3 4 šaka 9 9 18 trup 18 18 ostali delovi tela 11 11 unutrašnji organi 7 7 Total ...
... Grimaldi, J.V., Simonds, R.H.: Safety Management. Richard D. Irwin, Chicago. 1989., ISBN 978-1-84996-114-1 [9] Joel, R.: Health Information Systems: Concepts, Methodologies, Tools, and Applications. Vol. 1. IGI Global, 2009., ISBN-13: 978-1605669885, ISBN-10: 1605669881 [10] Kolonja, B., Stanković ...
... is available at: www.dr.rgf.bg.ac.rs 1 DEVELOPMENT OF A BUSINESS INTELLIGENCE TOOL FOR ACCIDENT ANALYSIS IN MINES Ljiljana Kolonja1, Ranka Stanković2, Ivan Obradović3, Olivera Kitanović4, Uroš Pantelić5 1 University of Belgrade, Faculty of Mining and ...Ljiljana Kolonja, Ranka Stanković, Ivan Obradović, Olivera Kitanović, Uroš Pantelić. "Development of A Business Intelligence Tool For Accident Analysis in Mines" in Proceedings of the 5th International Symposium Mining And Environmental Protection, June 10-13, 2015, Vrdnik, Serbia, Belgrade : Faculty of Mining and Geology (2015)
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Mikrobiološki diverzitet kiselog jezera Robule i uticaj jezerske vode na oksidaciju sulfidnih minerala
Srđan B. Stanković (2016-09-11)Jezero Robule, formirano u podnožju rudničke raskrivke Oštreljski planir (Rudnik bakra Bor), je nastalo kao posledica rudarskih aktivnosti. Mikrobiološki diverzitet ekstremno kiselog jezera Robule ispitivan je primenom kako klasičnih mikrobioloških metoda (svetlosna mikroskopija i kultivacija na selektivnim podlogama) tako i primenom savremene metode molekularne biologije (analiza polimorfizama terminalnih restrikcionih fragmenata; T-RFLP). Takođe, ispitivan je i potencijal i efikasnost jezerske vode u biološkom luženju mineralnog koncentrata, kao i u bioluženju uzoraka stare flotacijske jalovine Rudnika bakra Bor.Na osnovu dobijenih rezultata ...... ja gvožđa od 895 mgL-1, sulfata 4145 mgL-1, bakra 55,6 mgL-1, cinka 26,5 mgL-1, kao i pH vrednost 2,97. Ovi autori su izmerili i koncentraciju ukupnog ugljenika u vodi od 3,4 mgL-1, hemijsku potrošnju kiseonika 4,03 mgO2L -1, biohemijsku potrošnju kiseonika 4,63 mgO2L -1, kao i koncentraciju ...
... Na površini (0 m) i dubini od 1 m koncentracija bakra je iznosila 260 mgkg-1 odnosno 320 mgkg-1 . Na dubini od 5 m prosečna koncentracija bakra je bila 2500 mgkg-1 , na dubini od 10 m 4200 mgkg-1 , na dubini od 15 m 3300 mgkg-1 i na dubini od 20 m 4300 mgkg-1 . Sa porastom dubine rastao je sadržaj ...
... godine, 4602 mgL-1, a najveća u januaru 2012. godine, 10570 mgL-1. Koncentracija gvožđa je takođe fluktuirala i kretala se od minimalne vrednosti 520 mgL-1 u junu 2011. godine do maksimalne 835 mgL-1 u aprilu 2012. godine. Koncentracija bakra se kretala oko vrednosti od 70 mgL-1 (Stevanović et ...Srđan B. Stanković. "Mikrobiološki diverzitet kiselog jezera Robule i uticaj jezerske vode na oksidaciju sulfidnih minerala" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-09-11)
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Energetska bezbednost sektora prirodnog gasa Srbije
U prve dve decenije 21. veka obezbeđivanje sigurnosti snabdevanja prirodnim gasom domaćeg tržišta bio je jedan od prioriteta razvoja energetike Srbije. Istovremeno, aspekt sigurnog snabdevanja bio je neizostavni deo slagalice stvaranja energetske bezbednosti. Izražena uvozna zavisnost je dominantna karakteristika sektora prirodnog gasa, tačnije, Republika Srbija je snažno zavisna od ruskog gasa, sa više od 80% uvezenih količina gasa, a do pre dve godine snabdevala se isključivo kroz jednu interkonekciju. U radu se razmatra aktuelna situacija u sektoru prirodnog ...... prirodnog gasa Srbije | Aleksandar Madžarević, Predrag Jovančić, Miroslav Crnogorac | 36. Međunarodni kongres o procesnoj industriji – Procesing ’23, Šabac, 1. i 2. juna 2023. | 2023 | | http://dr.rgf.bg.ac.rs/s/repo/item/0008183 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду ...
... oblast Procesne tehnologije Naslov Energetska bezbednost sektora prirodnog gasa Srbije Ključne reči (maksimum 5 reči) Sažetak (do 300 reči) N-1, IDUPS, energetska bezbednost, sigurnost snabdevanja U prve dve decenije 21. veka obezbeđivanje sigurnosti snabdevanja prirodnim gas- om domaćeg tržišta ...
... sektora na prekide u međunarodnim lancima snabdevanja. Kroz rad je izvršena analiza energetske bezbednosti sektora prirodnog gasa primenom indeksa N-1, indeksa IDUPS i par- ametra razvoja infrastrukture sektora. Ova tri parametra opisuju raspoloživost sistema u tehničkom smislu, diversifikaciju izvora ...Aleksandar Madžarević, Predrag Jovančić, Miroslav Crnogorac. "Energetska bezbednost sektora prirodnog gasa Srbije" in 36. Međunarodni kongres o procesnoj industriji – Procesing ’23, Šabac, 1. i 2. juna 2023. , Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) Društvo za procesnu tehniku (2023)
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Microstructural and magnetic properties of electrospun hematite/cuprospinel composites
Phase composition, microstructural and magnetic properties of electrospun hematite/cuprospinel composites were investigated. Samples were synthesized starting with 0 to 10 mol% of copper relative to iron. The round shape of reference electrospun fbres was preserved upon their heating up to 600 °C in air, whereas at 700 °C hollow substructure was additionally formed. In these reference samples the presence of hematite phase was detected by XRPD. A small amount (traces) of Fe3O4 /γ-Fe2O3 was also found, due to the ...Electrical and Electronic Engineering, Condensed Matter Physics, Atomic and Molecular Physics and Optics, Electronic, Optical and Magnetic MaterialsMira Ristić, Aleksandar Kremenović, Michael Reissner, Željka Petrović, Svetozar Musić. "Microstructural and magnetic properties of electrospun hematite/cuprospinel composites" in Journal of Materials Science: Materials in Electronics, Springer Science and Business Media LLC (2020). https://doi.org/10.1007/s10854-020-03526-0
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Efikasnost različitih tipova glina Srbije za adsorpciju metilen plavog
Maja D. Milošević (2016-12-09)Adsorpciona efikasnost različitih uzoraka glina sa lokaliteta Srbije određenaje njihovim tretiranjem različitim koncentracijama rastvora metilen plavog (MP).Detaljna mineraloška karakterizacija ispitivanih glina i rezultati njihove interakcijesa rastvorima MP dobijeni su primenom optičkih, rendgenskih, hemijskih, DTA ispektroskopskih metoda.Na osnovu formiranja MP agregata u izmenljivim pozicijama i površiničestica gline, razlikuju se dva tipa glinovitih minerala: visoko naelektrisani(smektiti) i nisko naelektrisani (kaoliniti). Dimeri se stvaraju na naelektrisanimpovršinama, a granica njihovog razvoja omogućuje determinaciju mineralne vrste.Molekuli MP stoje pod uglom od 21.5o kada se ...minerali glina, metilen plavo, kristali metilen plavog, difuznarefleksija, adsorpcija, flokulacija, naelektrisanje slojeva... 7135 0 6 0 1 K 3.6966 0 2 1 1 Li 0.0162 0 7 1 1 Mg 0.6841 4 6 3 2 Mn 0.0072 7 14 11 8 Na 0.0897 49 100 0 0 Ni 0.0036 1 8 2 2 Ti 0.3984 0 2 0 0 kaol.C elementi % AA MP I MP 24h MP 48h Ba 0.0178 2 3 1 0 Ca 0.2505 74 31 11 14 Fe 0.5057 0 5 1 0 K 0.8249 1 3 2 2 Li 0.0158 0 3 1 0 Mg 0.1439 ...
... na one sa 1:1, 2:1 i mešovitom slojevitom strukturom. Struktura 1:1 se sastoji iz ponavljanja jednog tetraedarskog i jednog oktaedarskog lista dok se 4 kod 2:1 strukture jedan oktaedarski sloj nalazi između dva tetraedarska sloja (slika 1) (Brigatti et al., 2006). Slika 1. Strukturni ...
... smektit-illit / 45 43 / / / / / illit / / / 26 48 46 46 8 kvarc 11 19 18 9 21 21 19 2 feldspati / 10 15 8 2 1 3 / limonit 5 7 7 3 3 9 10 1 nečistoće 2 1 4 / 1 / / 1 vlaga 3 4 2 2 1 3 / 1 ukupno 100 100 100 100 100 100 100 100 Na osnovu izračunatog mineralnog sastava i metodom rendgenske ...Maja D. Milošević. "Efikasnost različitih tipova glina Srbije za adsorpciju metilen plavog" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-12-09)
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A comparative study of the molecular and isotopic composition of biomarkers in immature oil shale (Aleksinac deposit, Serbia) and its liquid pyrolysis products (open and closed systems)
Gordana Gajica, Aleksandra Šajnović, Ksenija Stojanović, Jan Schwarzbauer, Aleksandar Kostić, Branimir Jovančićević (2021)The molecular and isotopic composition of biomarkers in initial bitumen isolated from immature (0.41% Rr) oil shale samples (Aleksinac deposit) and liquid products obtained by pyrolysis in open (OS) and closed (CS) systems are studied. The influence of pyrolysis type and variations of kerogen type on biomarkers composition and their isotopic signatures in liquid products is determined. The applicability of pyrolysis type, numerous biomarkers and carbon isotopic compositions (δ13C) of n-alkanes in liquid pyrolysates is established. Pyrolysis experiments were ...Uljni šejl, Aleksinac, organska supstanca, otvoreni i zatvoreni sistem pirolize, biomarkeri, izotopski sastav ugljjenikaGordana Gajica, Aleksandra Šajnović, Ksenija Stojanović, Jan Schwarzbauer, Aleksandar Kostić, Branimir Jovančićević. "A comparative study of the molecular and isotopic composition of biomarkers in immature oil shale (Aleksinac deposit, Serbia) and its liquid pyrolysis products (open and closed systems)" in Marine and Petroleum Geology, Elsevier BV (2021). https://doi.org/10.1016/j.marpetgeo.2021.105383
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Basic kinematic analysis of rock slope using terrestrial 3D laser scanning on the M-22 highroad pilot site
Marjanović Miloš, Abolmasov Biljana, Đurić Uroš, Zečević Snežana, Šušić Vladimir. "Basic kinematic analysis of rock slope using terrestrial 3D laser scanning on the M-22 highroad pilot site" in Proceedings of the EUROCK 2013 – Rock mechanics for resources, Energy and Environment, 23-26. september 2013., Wroclaw, Poland 2 no. 1, Wroclaw, Poland:Taylor&Francis Group London (2013): 679-683
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Protholithic age and geochemistry of magmatic rocks from the Serbo-Macedonian massif (south Serbia, southwest Bulgaria and east Macedonia)
Antić Milorad, Peytcheva Irena, Von Quadt Albrecht, Kounov Alexandre, Trivić Branislav, Serafimovski Todor, Tasev Goran, Gerdjikov Ianko (2012)Antić Milorad, Peytcheva Irena, Von Quadt Albrecht, Kounov Alexandre, Trivić Branislav, Serafimovski Todor, Tasev Goran, Gerdjikov Ianko. "Protholithic age and geochemistry of magmatic rocks from the Serbo-Macedonian massif (south Serbia, southwest Bulgaria and east Macedonia)" in Geophysical Research Abstracts 14 no. EGU2012-5638-1, Max-Planck-Str. 13, 37191 Katlenburg-Lindau, Germany:Copernicus GmbH (2012)
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Preliminary structural and geochemical data from the Serbo-Macedonian Massif (South Serbia, Southwest Bulgaria and Macedonia)
Antić Milorad, Kounov Alexandre, Trivić Branislav, Peytcheva Irena, Von Quadt Albrecht, Gerdjikov Ianko, Serafimovski Todor, Tasev Goran (2011)Antić Milorad, Kounov Alexandre, Trivić Branislav, Peytcheva Irena, Von Quadt Albrecht, Gerdjikov Ianko, Serafimovski Todor, Tasev Goran. "Preliminary structural and geochemical data from the Serbo-Macedonian Massif (South Serbia, Southwest Bulgaria and Macedonia)" in Geophysical Research Abstracts 13 no. EGU2011-9202-1, Max-Planck-Str. 13, 37191 Katlenburg-Lindau, Germany:Copernicus GmbH (2011)