Претрага
150 items
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Results of Recent Monitoring Activities on Landslide Umka, Belgrade, Serbia—IPL 181
Biljana Abolmasov, Uroš Đurić, Jovan Popović, Marko Pejić, Mileva Samardžić Petrović, Nenad Brodić (2021)... Popović, Marko Pejić, Mileva Samardžić Petrović, Nenad Brodić Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Results of Recent Monitoring Activities on Landslide Umka, Belgrade, Serbia—IPL 181 | Biljana Abolmasov, Uroš Đurić, Jovan Popović, Marko Pejić, Mileva ...
... Landslide Forum Results of Recent Monitoring Activities on Landslide Umka, Belgrade, Serbia—IPL 181 Biljana Abolmasov, Uroš Đurić, Jovan Popović, Marko Pejić, Mileva Samardžić Petrović, and Nenad Brodić Abstract Results of recent monitoring activities conducted from 2014 to 2019 are presented in ...Biljana Abolmasov, Uroš Đurić, Jovan Popović, Marko Pejić, Mileva Samardžić Petrović, Nenad Brodić. "Results of Recent Monitoring Activities on Landslide Umka, Belgrade, Serbia—IPL 181" in Understanding and Reducing Landslide Disaster Risk. WLF 2020. ICL Contribution to Landslide Disaster Risk Reduction, Springer, Cham (2021). https://doi.org/10.1007/978-3-030-60196-6_14
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Optimizacija završne konture površinskog kopa Buvač korišćenjem programskog paketa Whittle,
Kolonja Božo, Stevanović Dejan, Radović Radan, Malbašić Vladimir. "Optimizacija završne konture površinskog kopa Buvač korišćenjem programskog paketa Whittle," in Međunarodni simpozijum Održivi razvoj rudarstva i energetike, Beograd:Faculty of Mining and geology, Belgrade (2011): 309-316
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Sentiment Analysis of Serbian Old Novels
In this paper we present first study of Sentiment Analysis (SA) of Serbian novels from the 1840-1920 period. The preparation of sentiment lexicon was based on three existing lexicons: NRC, AFFIN and Bing with additional extensive corrections. The first phase of dataset refinement included filtering the word that are not found in Serbian morphological dictionary and in second automatic POS tagging and lemma were manually corrected. The polarity lexicon was extracted and transformed into ontolex-lemon and published as initial ...Ranka Stanković, Miloš Košprdić, Milica Ikonić Nešić, Tijana Radović. "Sentiment Analysis of Serbian Old Novels" in Proceedings of the 2nd Workshop on Sentiment Analysis and Linguistic Linked Data, June 2022, Marseille, France, European Language Resources Association (2022)
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Traces of drilling predation in the Badenian Mollusks from the Rakovica stream (Belgrade, Serbia)
Ganić Meri, Radović Predrag, Rundić Ljupko, Bradić Katarina, Knežević Slobodan. "Traces of drilling predation in the Badenian Mollusks from the Rakovica stream (Belgrade, Serbia)" in Geologia Croatica 2 no. 62, Zagreb Zagreb:Croatian Geological Survey and the Croatian Geological Society (2016): 205-212. https://doi.org/doi: 10.4154/gc.2016.14
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Traces of drilling predation in the Upper Badenian (Middle Miocene) molluscs from the Rakovica stream (Belgrade)
Ganić Meri, Radović Predrag, Rundić Ljupko, Bradić Katarina, Knežević Slobodan. "Traces of drilling predation in the Upper Badenian (Middle Miocene) molluscs from the Rakovica stream (Belgrade)" in Geologia Croatica 2 no. 69, Zagreb, Croatia:Croatian Geological Institute (2016): 205-212
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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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Production of morphological dictionaries of multi-word units using a multipurpose tool
The development of a comprehensive morphological dictionary of multi-word units for Serbian is a very demanding task, due to the complexity of Serbian morphology. Manual production of such a dictionary proved to be extremely time-consuming. In this paper we present a procedure that automatically produces dictionary lemmas for a given list of multi-word units. To accomplish this task the procedure relies on data in e-dictionaries of Serbian simple words, which are already well developed. We also offer an evaluation ...electronic dictionary, Serbian, morphology, inflection, multi-word units, noun phrases, query expansion... instance, if the initial query is ‘marka’ and a user chooses to semantically expand his/her query with Serbian wordnet then the system will find, among others, two synsets with appropriate literals: {marka, zaštitni znak, brend} ‘trade name’ and {marka, poštanska marka} ‘postage stamp’. If MWU synset ...
... synset literals are in the DELAC dictionary (poštanska marka), the system directly produces all inflected forms, but if the literal is not yet in the DELAC dictionary (zaštitni znak) then the component for production of DELAC forms described in Section IV is invoked to detect its structure, which ...Ranka Stanković, Ivan Obradović, Cvetana Krstev, Duško Vitas. "Production of morphological dictionaries of multi-word units using a multipurpose tool" in Proceedings of the Computational Linguistics-Applications Conference, October 2011, Jachranka, Poland, Jachranka, Poland : PTI - Polish Information Processing Society (2011)
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Investigation of nanostructured Ca0.9Er0.1MnO3 obtained by sucrose nitrate procedure
Tijana B. Vlašković, Bojana Laban, Maja Milošević, Maria Čebela, Vladimir Dodevski, Milena Rosić (2023)... of the fracture strength of PA12 material on specimens produced by selective laser sintering Isaak Trajkovićl, Miloš Miloševićl, Milan Travical, Marko Rakinz, Nenad Mitrović? . Aleksandar Sedmak?, Bojan Medjo? "Innovation Center of the Faculty of Mechanical Engineering in Belgrade, Kraljice Marije ...Tijana B. Vlašković, Bojana Laban, Maja Milošević, Maria Čebela, Vladimir Dodevski, Milena Rosić. "Investigation of nanostructured Ca0.9Er0.1MnO3 obtained by sucrose nitrate procedure" in Program ; and the Book of abstracts The Eleventh Serbian Ceramic Society Conference »Advanced Ceramics and Application« September 18-20, 2023 Serbian Academy of Sciences and Arts, Belgrade, Serbia , Belgrade : Serbian Academy of Sciences and Art Serbia (2023)
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Properties of fly ash and slag from the power plants
This paper describes the physical, chemical and mineral properties of ash and slag, which were taken from thermal power plants Nikola Tesla A, Nikola Tesla B, Kostolac A and Kostolac B. The knowledge of the mineralogical material composition is important because the type of minerals directly determines the properties of the fly ash and slag and their possible application. Laboratory tests showed that ash and slag samples consist of the following minerals: amorphous materials, quartz, feldspar, mullite, melilite, cristobalite, ...fly ash, slag, physical composition, chemical composition, mineral composition, X-ray diffraction method... Aleksandra Rosić, Nebojša Radović, Milinko Vasić, Mitar Đogo, Milovan Jotić Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Properties of fly ash and slag from the power plants | Miloš Šešlija, Aleksandra Rosić, Nebojša Radović, Milinko Vasić, Mitar Đogo, ...Miloš Šešlija, Aleksandra Rosić, Nebojša Radović, Milinko Vasić, Mitar Đogo, Milovan Jotić. "Properties of fly ash and slag from the power plants" in Geologia Croatica, Zagreb : Croatian Geological Survey (2016). https://doi.org/10.4154/gc.2016.26
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Laboratory testing of fly ash
Fly ash is one of the most common waste materials created by burning of coal. It is composed of smaller particles, consisting mainly of aluminosilicate glass, mullite and quartz, which are collected by electrostatic separators (filter) of gaseous products arising from the combustion of coal. This paper presents the pozzolanic properties, mechanical properties, chemical and mineral composition of fly ash obtained in the combustion process in a power plant Nikola Tesla A (PPNT A) with the addition of a ...chemical composition, fly ash, mechanical properties, mineral properties, pozzolanic properties, X-ray diffraction... Miloš Šešlija, Aleksandra Rosić, Nebojša Radović, Milinko Vasić, Mitar Đogo, Milovan Jotić Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Laboratory testing of fly ash | Miloš Šešlija, Aleksandra Rosić, Nebojša Radović, Milinko Vasić, Mitar Đogo, Milovan Jotić ...
... (Print), ISSN 1848-6339 (Online) DOI: 10.17559/TV-20150317171035 LABORATORY TESTING OF FLY ASH Miloš Šešlija, Aleksandra Rosić, Nebojša Radović, Milinko Vasić, Mitar Đogo, Milovan Jotić Preliminary note Fly ash is one of the most common waste materials created by burning of coal. It is ...
... 43: Test method for the determination of the modulus of elasticity of hydraulically bound mixtures // (2003). [21] Šešlija, M.; Stojanović, M.; Radović, N.; Radonjanin, V.; Malešev, M. Use of fly ash for embankment construction in road construction with and without binders. // Proceedings of the ...Miloš Šešlija, Aleksandra Rosić, Nebojša Radović, Milinko Vasić, Mitar Đogo, Milovan Jotić. "Laboratory testing of fly ash" in Tehnički vijesnik (2016). https://doi.org/10.17559/TV-20150317171035
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Polymorphism and photoluminescence properties of K3ErSi2O7
alkalni silikati elemenata retkih zemalja, silikati lantanoida, polimorfizam, fotoluminescencija, kristalna strukturaPredrag Dabić, Marko G. Nikolić, Sabina Kovač, Aleksandar Kremenović. "Polymorphism and photoluminescence properties of K3ErSi2O7" in Acta Crystallographica Section C Structural Chemistry, International Union of Crystallography (IUCr) (2019). https://doi.org/10.1107/S2053229619011926
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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 ...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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Preparation of Multimedia Document “YU Rock Scene”
SUMMARY: This study will present the preparation process of a multimedia document entitled YU ROCK SCENE in which participants were senior students of undergraduate studies of the Department of Library and Information Science at the University of Belgrade Faculty of Philology during the academic year 2014/2015, as a part of the subject Multimedia Documents. This study gives an overview of the historical development of rock and roll in the territory of the former Yugoslavia, rock scene in Yugoslav republics, ...... Velisavljević, Borislav Stanojević, Marko Maršićević, Nada Petronijević-Ćović, Jovan Jovanić, Ljubinka Gavran, Edo Gracin, Branko Vurušić, Radoman Kanjevac, Zoran Modija, Srdan Nikolić, Sloba Konjović, Ljiljana Krneta, Vojin Šarčević, Darko Kocjan, Marko Savić, Jelena Stevanović, Slobodan ...
... (Aleksandra Arsenijević, Milica Ninković and Milena Obradović), rest of Serbia (Aleksandra Kojić), Croatia (Jovana Došenović, Maja Ivančić and Marko Petrović), Bosnia and Herzegovina (Violeta Kolaković, Milica Perǐsić and Petar Popović), Slove- nia (Mihailo Škorić), Macedonia and Montenegro ...Milena Obradović, Aleksandra Arsenijević, Mihailo Škorić. "Preparation of Multimedia Document “YU Rock Scene”" in Infotheca - Journal for Digital Humanities, Faculty of Philology, University of Belgrade (2017). https://doi.org/10.18485/infotheca.2016.16.1_2.6
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Low-temperature phase transition and magnetic properties of K3YbSi2O7
Predrag Dabić, Volker Kahlenberg, Biljana Krüger, Marko Rodić, Sabina Kovač, Jovan Blanuša, Zvonko Jagličić, Ljiljana Karanović, Václav Petříček, Aleksandar Kremenović (2021)alkalni silikati elemenata retkih zemalja, fazni prelazi, magnetne karakteristike, razdvajanje kristalnog polja, silikati lantanica... Измењено: 2023-10-14 04:25:01 Low-temperature phase transition and magnetic properties of K3YbSi2O7 Predrag Dabić, Volker Kahlenberg, Biljana Krüger, Marko Rodić, Sabina Kovač, Jovan Blanuša, Zvonko Jagličić, Ljiljana Karanović, Václav Petříček, Aleksandar Kremenović Дигитални репозиторијум Рударс ...
... та у Београду [ДР РГФ] Low-temperature phase transition and magnetic properties of K3YbSi2O7 | Predrag Dabić, Volker Kahlenberg, Biljana Krüger, Marko Rodić, Sabina Kovač, Jovan Blanuša, Zvonko Jagličić, Ljiljana Karanović, Václav Petříček, Aleksandar Kremenović | Acta Crystallographica Section B ...
... 2052-5206 journals.iucr.org/b Low-temperature phase transition and magnetic properties of K3YbSi2O7 Predrag Dabić, Volker Kahlenberg, Biljana Krüger, Marko Rodić, Sabina Kovač, Jovan Blanuša, Zvonko Jagličić, Ljiljana Karanović, Václav Petřı́ček and Aleksandar Kremenović Acta Cryst. (2021). B77 ...Predrag Dabić, Volker Kahlenberg, Biljana Krüger, Marko Rodić, Sabina Kovač, Jovan Blanuša, Zvonko Jagličić, Ljiljana Karanović, Václav Petříček, Aleksandar Kremenović. "Low-temperature phase transition and magnetic properties of K3YbSi2O7" in Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials, International Union of Crystallography (IUCr) (2021). https://doi.org/10.1107/S2052520621006077
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Polyhedral characteristics of the cosalite-type crystal structures
Sabina Kovač, Predrag Dabić, Aleksandar Kremenović, Aleksandar Pačevski, Ljiljana Karanović, Marko V. Rodić, Martina Tribus (2019)Sabina Kovač, Predrag Dabić, Aleksandar Kremenović, Aleksandar Pačevski, Ljiljana Karanović, Marko V. Rodić, Martina Tribus. "Polyhedral characteristics of the cosalite-type crystal structures" in The Canadian Mineralogist, Mineralogical Association of Canada (2019). https://doi.org/10.3749/canmin.1900017
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Tehnologija izrade jamskog magacina eksploziva i eksplozivnih sredstava
Sara Nikolić (2024)Završni rad sa temom „Tehnologija izrade jamskog magacina eksploziva i eksplozivnih sredstava” sastoji je iz opšteg dela i specijalnog dela. U opštem delu prikazani su : geologija ležišta, određivanje kapaciteta magacina eksplozivnih sredstava, lokacija i opis magacina. U specijalnom – drugom delu ovog završnog rada prikazani su: potrebni proračuni, tehnologija izrade magacina, predmer i predračun radova, normativi materijala, energije i radne snage, organizacija i dinamika izvodjenja radova. Prilikom izrade završnog rada, uz primenu svih propisa vezanih za ovu oblast, korišćene su ...... se transport eksplozivnih sredstava (ES) kroz hodnike magacina vršiti kolicima, to se pod u svim hodnicima i komorama mora izbetonirati betonom marke MB-10 debljine d=10 cm. Kanal za vodu se neće izrađivati, već samo rigola odgovarajuće granulacije, pošto se, prema Tehničkim propisima, izrada MES ...
... standardu SRPS B.ZO.203 na niski svod sa dimenzijama: svetla širina b=2,0m, svetla visina h=2,5m (Ss.=4,70m?). Pod u UH-2 se izrađuje od betona marke MB10 debljine d=10cm. Kanal za vodu u UH i ostalim hodnicima MES se neće izrađivati, već samo rigola odgovarajuće granulacije. 4.4. Ulazni hodnik ...
... SRPS B.ZO.203 na niski svod sa dimenzijama: svetla širina b=2,0m, svetla visina h=2,5m (Ss,=4,70m?). Pod u UH-3 hodnicima se izrađuje od betona marke MB10 debljine d=10cm. Kanal za vodu u UH i ostalim hodnicima MES se neće izrađivati. 14 4.5. Glavni hodnik (GH) Glavni hodnik (GH) predstavlja ...Sara Nikolić. Tehnologija izrade jamskog magacina eksploziva i eksplozivnih sredstava, 2024
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Fluid inclusion systematics in the Okoška gora polymetallic deposit
... Gondwana:an archivi case study from the Cambro-Ordovician sect Sahara) using U-Pb-LA-ICP-MSdetrital zircon Linnemann, U., Gerdes, A., Hofmann, M. & Marko, L. 2 to Early Cambrian crustal growth and orogenic zonih, Авсап Стаоп—Сопзтани from U-Pb zircon ages ani Germany). - Precambrian Research, 224, ...Aleš Šoster, Miloš Velojić, Barbara Potočnik Krajnc, Matej Dolenec. "Fluid inclusion systematics in the Okoška gora polymetallic deposit" in 25th meeting of Slovenian geologists, Ljubljana, 2021, Univerza v Ljubljani, Oddelek za geologijo (2021)
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Kontaktni metamorfizam gornjokrednih sedimentnih stena Rudnika
Kostić N. Bojan (2021)Kontaktni metamorfizam gornjokrednih sedimentnih stena na planini Rudnik ispitivan je na uzorcima iz pet bušotina. Definisano je šest varijeteta krednih stena (protolita) koji čine dve litološke jedinice izgrađene od klastičnog, karbonatnog i klastično-karbonatnog materijala. Vulkanskom aktivnosti na Rudniku formirana su vulkanska tela koja se utiskuju duž slojevitosti sedimentnih stena, a neka ih presecaju u vidu dajkova. Starost ovog vulkanskog događaja određena je na 23.9 miliona godina. Ovaj miocenski vulkanizam doveo je do kontaktno metamorfnih promena sedimentnih stena i obrazovanja skarnova ...... za analiziranje fluidnih inkluzija. Ispitivanje uzoraka (slike 7f, 7b) izvršeno je na termalnom stočiću marke Linkam THMSG600, povezanim na polarizovani mikroskop za propuštenu svetlost marke Olimpus BX51. Same karakteristike termalnog stočića su zamrzavanje do - 196°C pomoću tečnog azota i grejanje ...
... Analize su rađene na uređaju marke JEOL JSM 6610LV povezanim sa energo-disperzivnim spektormetrom X-Max Oxford 20mm2 i talasno-disperzivnim spektrometrom Oxford Wave 500. Uzorci su pre analiziranja prekriveni elektroprovodnim slojem ugljenika od 15 nanometara na naparivaču marke BALTEC-SCD-005. Fotografije ...
... izradu preparata na Rudarsko- geološkom fakultetu, Univerzitet u Beogradu. Kompletna izrada preparata sa i bez pokrovnog stakla urađena je na uređajima marke Buehler AbrasiMet 250, Buehler Petro Thin i Buehler AutoMet 250 na kojima je izvršeno odsecanje, brušenje i finalno poliranje uzoraka (slika 6a). ...Kostić N. Bojan. Kontaktni metamorfizam gornjokrednih sedimentnih stena Rudnika, Univerzitet u Beogradu, Rudarsko-geološki fakultet, 2021
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Smanjenje sleganja plitkih temelja primenom mikrošipova
Slobodan Ćorić, Dragoslav Rakić (2021)Mikrošipovi su šipovi malog prečnika koji se grade tako što se u tlu specijalni postupkom formira bušotina koja se zatim armira i injektira. Njihov prečnik je najčešće 150 – 300 mm, a dužina može da bude i više desetina metara. Mikrošipovi mogu da se grade u svim vrstama tla i mogu da budu vertikalni i kosi. Oni se, stoga, koriste kao zamena za konvencionalne šipove i ankere. Primena mikrošipova u fundiranju predstavlja jedan savremeni način izgradnje i sanacije temelja/objekata. ...Slobodan Ćorić, Dragoslav Rakić. "Smanjenje sleganja plitkih temelja primenom mikrošipova" in Zbornik radova međunarodno naučno-stručnog savetovanja Zemljotresno inženjerstvo i geotehnički aspekti građevinarstva, Vrnjačka banja, 3-5. novembar 2021., Beograd : Savez građevinskih inženjera Srbije (2021)
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Optimising in electrical energy consumption in mining plants
Snežana Aleksandrović, Vesna Damnjanović, Ilija Jeftenić. "Optimising in electrical energy consumption in mining plants" in 17th International Symposium INFOTEH-JAHORINA 2018, Istočno Sarajevo : Elektrotehnički fakultet, Univerzitet u Istočnom Sarajevu (2018)