Претрага
826 items
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Phase and microstructural study of urinary stones
In this paper we present the phase and morphological characteristics of urinary stones from Serbian patients. The study included for the first time the determination of the phase composition and a statistical analysis of the presence of different types of urinary stones in both men and women in Serbia. The main goal of study was representation of collected data for the first time. For past three years, more than 600 samples were collected from Serbian patients. The phase composition ...бубрежно камење, фазни састав, статистика, рендгенска дифракција праха, скенирајућа електронска микроскопијаMiljana Mirković, Anja Dosen, Suzana Erić, Predrag Vulić, Branko Matović, Aleksandra Rosić. "Phase and microstructural study of urinary stones" in Microchemical Journal, Elsevier BV (2019). https://doi.org/10.1016/j.microc.2019.104429
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Pouzdanost ležajeva u sklopu sloga transportera sa gumenom trakom
Filip Miletić, Nikola Polovina, Miloš Tanasijević, Predrag Jovančić, Uglješa Bugarić, Veljko Rupar (2019)Filip Miletić, Nikola Polovina, Miloš Tanasijević, Predrag Jovančić, Uglješa Bugarić, Veljko Rupar. "Pouzdanost ležajeva u sklopu sloga transportera sa gumenom trakom" in IX Međunarodna konferencija Ugalj 2019, oktobar 23-26, 2019, Zlatibor, Srbija, Belgrade : Yugoslav Opencast Mining Committee (2019)
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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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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 ...... fundamentals and mechanisms of bacterial metal sulfide oxidation - Part A, Applied Microbiology and Biotechnology 97: 7529-7541 111. Wakao N., Yokoi N. Isoyama, N. Hiraishi, A. Shimada, K. Kobayashi, M. Kise, Hideo I., Masayo I., Shigeru T. (1996) Discovery of natural photosynthesis using Zn-containing ...
... 2 (1): 13-50 80. Panda S., Sajay K., Sukla L.B., Pradhan N., Subbaiah T., Mishra B.K., Ray S.K. (2012) Insights into heap bioleaching of low grade chalcopyrite ore - a pilot scale study, Hydrometallurgy 125-126: 157-165 81. Pradhan N., Nathsarma K., Srinavasa Rao, Sukla L.B., Mishra B.K. (2008) ...
... oksidacije sulfidnih minerala polisulfidnim mehanizmom se može prikazati sledećim hemijskim reakcijama (Vera et al., 2013): MS + H+ → M2+ + 0,5H2Sn (n ≥ 2) (7) 0,5H2Sn + Fe3+ → 0,125S8 + Fe2+ + H+ (8) 0,125S8 + 1,5O2 + H2O → SO4 2- + 2H+ (bakterijski metabolizam) (9) Polisulfidni ...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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Zbirka rešenih zadataka iz termodinamike
Marija Živković, Aleksandar Madžarević (2023)... Prikaz procesa u p-v dijagramu 116 ZBIRKA REŠENIH ZADATAKA IZ TERMODINAMIKE 56. Dimni gas molarnog sastava 12% CO 2 , 6% H 2 O , 5% O 2 i 77% N 2 , počet- nog stanja 0,9 MPa i 1000 °C izentropski ekspandira u turbini do pritiska 0,1 MPa, a zatim se izobarski hladi do 150 °C predajući toplotu ...Marija Živković, Aleksandar Madžarević. Zbirka rešenih zadataka iz termodinamike, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet, 2023
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Mitigating hydrate formation in onshore gas wells: A case study on optimization techniques and prevention
Gas wells, particularly those situated onshore, play a vital role in the global energy sector by supplying a significant portion of natural gas. However, operational challenges, notably gas hydrate formation, pose substantial issues, leading to complications such as flowline blockages and unexpected well shutdowns. Gas hydrates, crystalline structures resembling ice, ...Gas Well, Gas Hydrate Formation, Well Modeling, Well Performance Optimization, Choke Position Adjustments, Methanol InjectionMilica Ješić, Bojan Martinović, Stefan Stančić, Miroslav Crnogorac, Dušan Danilović. "Mitigating hydrate formation in onshore gas wells: A case study on optimization techniques and prevention" in Underground Mining Engineering, Beograd : Rudarsko-geološki fakultet (2023)
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A Tool for Enhanced Search of Multilingual Digital Libraries of E-journals
This paper outlines the main features of Bibliša, a tool that offers various possibilities of enhancing queries submitted to large collections of TMX documents generated from aligned parallel articles residing in multilingual digital libraries of e-journals. The queries initiated by a simple or multiword keyword, in Serbian or English, can be expanded by Bibliša, both semantically and morphologically, using different supporting monolingual and multilingual resources, such as wordnets and electronic dictionaries. The tool operates within a complex system composed ...... Collection of Multilingual Parallel Corpora with Tools and Interfaces. In: Recent Advances in Natural Language Processing (vol. 5) (pp 237-248), N. Nicolov and K. Bontcheva and G. Angelova and R. Mitkov (eds.). John Benjamins, Amsterdam/Philadelphia. TMX 1.4b Specification. (2005). http://www ...Ranka Stanković, Cvetana Krstev, Ivan Obradović, Aleksandra Trtovac, Miloš Utvić. "A Tool for Enhanced Search of Multilingual Digital Libraries of E-journals" in Proceedings of the 8th International Conference on Language Resources and Evaluation, LREC 2012, May 2012, Istanbul, Turkey, Istanbul, Turkey : European Language Resources Association (2012)
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Medical Domain Document Classification via Extraction of Taxonomy Concepts from MeSH Ontology
Mihailo Škorić, Mauro Dragoni (2019)This paper is a result of a task that was presented to attendants of Keyword Search in Big Linked Data summer school, that was organized by Vienna University of Technology, under the Keystone COST action in the summer of 2017. It presents a specific approach to the classification via creation of minimal document surrogates based on the US National medical library’s MeSH ontology, which is derived from the Medical Subject Headings thesaurus. In a series of previously classified medically ...... ([0-9]+[.]txt), identifiers in them ([A-Z][0-9][0-9]([.][0-9][0- 9][0-9])*) and tags for new row ([\r\n]+) - are found using regular expres- sion ([A-Z][0-9][0-9]([.][0-9][0-9][0-9])*)|([0-9]+[.]txt)|([\r\n]+), док се све остало уклања.while everything else is removed. This reduced the file size over 450 ...Mihailo Škorić, Mauro Dragoni. "Medical Domain Document Classification via Extraction of Taxonomy Concepts from MeSH Ontology" in Infotheca, Faculty of Philology, University of Belgrade (2019). https://doi.org/10.18485/infotheca.2019.19.1.3
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The state and perspective of the natural gas sector in Serbia
The strategy of long-term energy development of Serbia identifies an increase of share of natural gas in final energy consumption as one of the main aims. Serbia has signed a strategic agreement with the Russian Federation on cooperation in the oil and gas sector, within which the project South Stream pipeline is planned to be realized. In addition, the Republic of Serbia has signed the Treaty that establishes the Energy Community and accepted the obligation to implement the Energy ...Dejan Ivezić, Marija Živković, Dušan Danilović, Aleksandar Madžarević, Miloš Tanasijević. "The state and perspective of the natural gas sector in Serbia" in Energy Sources, Part B: Economics, Planning and Policy, Taylor & Francis Group, LLC (2016). https://doi.org/http://dx.doi.org/10.1080/15567249.2013.858796
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Potencijalnost tercijarnih magmatskih kompleksa Vardarske zone Srbije sa aspekta arhitektonskog građevinskog kamena
Lidija M. Kurešević (2014-01-22)U sastavu Vardarske zone, jedne od tektonski najsloženijih oblasti Balkanskogpoluostrva, u čijem domenu se odvijalo otvaranje i zatvaranje okeanskih prostora isubdukcija koja je dovela do intenzivne magmatske aktivnosti pretežno tokom tercijara,danas se nalazi veći broj magmatskih kompleksa.U ovoj disertaciji su obrađene geološke karakteristike trinaest izabranih magmatskihkompleksa Vardarske zone tercijarne starosti, i laboratorijski određena mineraloškopetrografskasvojstva stena u njihovom sastavu i fizičko-mehanička svojstva kamenaznačajna za utvrđivanje mogućnosti njihove primene za dobijanje blokovaarhitektonskog građevinskog kamena iz kojih se dobijaju ploče za oblaganjegrađevinskih ...... kontaktno-metamorfni produkti.- Glasnik Prirodnjačkog muzeja srpske zemlje, serija A, knj. 33, str. 113-131, Beograd. Križak D., Maksimović M. i Radović V., 2005: Koncepcija geoloških istraživanja ležišta AG kamena.- 6. Međunarodna izložba i savetovanje "Kamen", 26-29.10.2005., Zbornik radova, str ...
... Karamata S., Vasković N., Cvetković V. i Knežević V., 1994b: Gornjokredni i tercijarni magmatiti centralne i istočne Srbije i njihova metalogenija.- Geološki anali Balkanskog poluostrva, knj. 58/1, str. 159-175. 243 Karamata S., Krstić B., Dimitrijević D. M., Dimitrijević M. N., Knežević V., Stojanov ...
... m stenama Cera (zapadna Srbija).- Geološki anali Balkanskog poluostrva, knj. 58/2, str. 219-234. Кобранова В. Н., 1986: Петрофизика.- Недра, 392 стр., Москва. Komarnicki S. i Stanić N., 1991: Neotektonske karakteristike šireg područja Kopaonika.- Radovi Geoinstituta, knj. 25, str. 53-61. Koroneos ...Lidija M. Kurešević. "Potencijalnost tercijarnih magmatskih kompleksa Vardarske zone Srbije sa aspekta arhitektonskog građevinskog kamena" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2014-01-22)
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Potencijalnost tercijarnih magmatskih kompleksa Vardarske zone Srbije sa aspekta arhitektonskog građevinskog kamena
Lidija M. Kurešević (2014-01-22)U sastavu Vardarske zone, jedne od tektonski najsloženijih oblasti Balkanskogpoluostrva, u čijem domenu se odvijalo otvaranje i zatvaranje okeanskih prostora isubdukcija koja je dovela do intenzivne magmatske aktivnosti pretežno tokom tercijara,danas se nalazi veći broj magmatskih kompleksa.U ovoj disertaciji su obrađene geološke karakteristike trinaest izabranih magmatskihkompleksa Vardarske zone tercijarne starosti, i laboratorijski određena mineraloškopetrografskasvojstva stena u njihovom sastavu i fizičko-mehanička svojstva kamenaznačajna za utvrđivanje mogućnosti njihove primene za dobijanje blokovaarhitektonskog građevinskog kamena iz kojih se dobijaju ploče za oblaganjegrađevinskih ...... kontaktno-metamorfni produkti.- Glasnik Prirodnjačkog muzeja srpske zemlje, serija A, knj. 33, str. 113-131, Beograd. Križak D., Maksimović M. i Radović V., 2005: Koncepcija geoloških istraživanja ležišta AG kamena.- 6. Međunarodna izložba i savetovanje "Kamen", 26-29.10.2005., Zbornik radova, str ...
... Karamata S., Vasković N., Cvetković V. i Knežević V., 1994b: Gornjokredni i tercijarni magmatiti centralne i istočne Srbije i njihova metalogenija.- Geološki anali Balkanskog poluostrva, knj. 58/1, str. 159-175. 243 Karamata S., Krstić B., Dimitrijević D. M., Dimitrijević M. N., Knežević V., Stojanov ...
... m stenama Cera (zapadna Srbija).- Geološki anali Balkanskog poluostrva, knj. 58/2, str. 219-234. Кобранова В. Н., 1986: Петрофизика.- Недра, 392 стр., Москва. Komarnicki S. i Stanić N., 1991: Neotektonske karakteristike šireg područja Kopaonika.- Radovi Geoinstituta, knj. 25, str. 53-61. Koroneos ...Lidija M. Kurešević. "Potencijalnost tercijarnih magmatskih kompleksa Vardarske zone Srbije sa aspekta arhitektonskog građevinskog kamena" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2014-01-22)
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Evaluation And Perspectives Of Underground Coal Mines In Serbia
... 0.1071 0.1034 0.1000 0.0800 0.0911 Sum 1 1 1 1 1 1 1 1 Lambda ( λ) = 7.355393; CI = 0.059232; RI = 1.32; CR = 0.044873; Table 6. Random index n 3 4 5 6 7 8 9 10 RI 0.58 0.9 1.12 1.24 1.32 1.41 1.49 1.51 Rank of the underground coal mines operated by PCUCE obtained after completion of the ...Vladimir Milisavljević, Milena Lekić, Ivica Ristović, Vojin Čokorilo, Aleksandar Cvjetić. "Evaluation And Perspectives Of Underground Coal Mines In Serbia" in 7th Balkan Mining Congress Preceedings - BalkanMine2017, Prijedor, 11-13. oktobar 2017., Banjaluka : University of Banjalika, Faculty of Mining, RS, BiH (2017)
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Geostatički proračuni sanacije klizišta šipovima
U ovom radu su, polazeći od rezultata geotehničkih istraživanja, prikazani geostatički proračuni sanacije klizišta vertikalnim šipovima. Metodologija proračuna je složena, jer podrazumeva interakciju klizišta i stabilizirajućih šipova. Stoga se simultano analiziraju stabilnost klizišta i stabilnost šipova. Prilikom određivanja bočne otpornosti tla oko šipova koristi se metoda Brinč Hansena koja uzima u obzir trodimenzionalne uslove u tlu i može da se primeni u složenim geološkim uslovima koji su česti u Srbiji. Analize stabilnosti klizišta vrše se odgovarajućim metodama granične ravnoteže. ...sanacija klizišta, interakcija klizišta i šipa, bočna otpornost šipova, stabilnost klizišta i šipova... unutrašnjeg trenja. = Ке = 759 К = 222 р c=1–S 80 g=45'__|--1""T" o=40. ——— ·_,··"' /" 50 — _ | = 40 | ___---81.4 — 40 ____ 272 30 Д И 180 7 Н нег i и e = 20 / Д MO рњ О 80 – и јуч / — m __ ју /_„·–, / / рИ ти / з0г ___ __ —> 61.4 10 2 е 257 р K / — рИИИ li — 9.91 K 40 — 250 —y 36.8 ...Slobodan Ćorić, Dragoslav Rakić, Dušan Berisavljević. "Geostatički proračuni sanacije klizišta šipovima" in Zbornik radova osmog naučno-stručnog međunarodnog savetovanja - Geotehnički aspekti građevinarstva, Savez građevinskih inženjera Srbije, (2019)
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William „Strata” Smith, otac engleske geologije– 250 godina od rođenja
Dejan Radivojević (2019)... publications available in open access, as well as the employees' publications. - The Repository is available at: www.dr.rgf.bg.ac.rs 85 Z A P I S N I C I S R P S K O G G E O L O [ K O G D R U [ T V A za 2019. godinu COMPTES RENDUS DES SÉANCES DE LA SOCIÉTÉ SERBE DE GÉOLOGIE pour les année ...Dejan Radivojević. "William „Strata” Smith, otac engleske geologije– 250 godina od rođenja" in Zbornik radova Srpskog geološkog društva, Srpsko geološko društvo (2019)
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Crystal structures and microstructures of ordered and disordered kalsilites. Is kaliophilite a KAlSiO4 polymorph or kalsilite polytype?
Kremenović Aleksandar, Dimitrijević Radovan, Dondur Vera, Lazić P. Biljana, Vulić Predrag, Cvetković Vladica (2011)Kremenović Aleksandar, Dimitrijević Radovan, Dondur Vera, Lazić P. Biljana, Vulić Predrag, Cvetković Vladica. "Crystal structures and microstructures of ordered and disordered kalsilites. Is kaliophilite a KAlSiO4 polymorph or kalsilite polytype?" in Meeting of the Swiss Crystallographic Association/SGK/SSCr Newsletter 84, Bern, Švajcarska:Swiss Crystallographic Association (2011): 34-34
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Flux grown β- and γ-spodumene single crystals
Prekajski Marija, Kremenović Aleksandar, Vulić Predrag, Welsch Anna-Maria, Murawski Dawid, Behrens Harald (2012)Prekajski Marija, Kremenović Aleksandar, Vulić Predrag, Welsch Anna-Maria, Murawski Dawid, Behrens Harald. "Flux grown β- and γ-spodumene single crystals" in XIX Conference of the Serbian Crystallographic Society-Abstracts, Bela Crkva, Srbija:Srpsko kristalografsko društvo (2012): 86-87
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Lithium self-diffusion in LiAlSi2O6 glass and single crystals
Welsch Anna-Maria, Behrens Harald, Horn Ingo, Ross Sebastian, Vulić Predrag, Murawski Dawid. "Lithium self-diffusion in LiAlSi2O6 glass and single crystals" in Meeting of the Swiss Crystallographic Association/SGK/SSCr Newsletter 84, Bern, Švajcarska:Swiss Crystallographic Association (2011): 47-47
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Structural, morphological and up-converting luminescence characteristics of nanocrystalline Y2O3:Yb/Er powders
Mančić Lidija, Lojpur Vesna, Vulić Predrag, Rabanal Maria Eeugenia, Dramićanin Miroslav, Milošević Olivera (2012)Mančić Lidija, Lojpur Vesna, Vulić Predrag, Rabanal Maria Eeugenia, Dramićanin Miroslav, Milošević Olivera. "Structural, morphological and up-converting luminescence characteristics of nanocrystalline Y2O3:Yb/Er powders" in NANO 2012, XI International Conference on Nanostructured Materials, Rhodes, Grčka: (2012)
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Application of fuzzy inference models on the example of zinc ore flotation concentration
Miljanović Igor, Vujić Slobodan, Lazić Predrag, Jovanović Ivana, Josipović Pejović Milena, Petrovski Aleksandar (2013)Miljanović Igor, Vujić Slobodan, Lazić Predrag, Jovanović Ivana, Josipović Pejović Milena, Petrovski Aleksandar. "Application of fuzzy inference models on the example of zinc ore flotation concentration" in Proceedings of the XI Balkan Conference on Operations Research BALCOR, 7-11.09.2013. - no. -, Beograd, Zlatibor, Srbija:University of Belgrade, Faculty of Organizational Sciences, Belgrade (2013): 532-537
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Application of novel Zn-ferrite modified glassy carbon paste electrode as a sensor for determination of Cd(II) in waste water
Stanković Dalibor M, Skrivanj Sandra, Savić Nenad, Nikolić Aleksandar, Vulić Predrag, Manojlović Dragan (2014)Stanković Dalibor M, Skrivanj Sandra, Savić Nenad, Nikolić Aleksandar, Vulić Predrag, Manojlović Dragan. "Application of novel Zn-ferrite modified glassy carbon paste electrode as a sensor for determination of Cd(II) in waste water" in Electroanalysis 26 no. 7, Hoboken, NJ:John Wiley & Sons (2014): 1536-1543. https://doi.org/10.1002/elan.201400095