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2396 items
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U-Pb zircon geochronology of the Paleogene – Neogene volcanism in the NW Anatolia: Its implications for the Late Mesozoic-Cenozoic geodynamic evolution of the Aegean
E. Yalçın Ersoy, Cüneyt Akal, Ş. Can Genç, Osman Candan, Martin R. Palmer, Dejan Prelević, İbrahim Uysal, Regina Mertz-Kraus (2017)The northern Aegean region was shaped by subduction, obduction, collision, and post-collisional extension processes. Two areas in this region, the Rhodope-Thrace-Biga Peninsula to the west and Armutlu-Almacık-Nallıhan (the Central Sakarya) to the east, are characterized by extensive Eocene to Miocene post-collisional magmatic associations. We suggest that comparison of the Cenozoic magmatic events of these two regions may provide insights into the Late Mesozoic to Cenozoic tectonic evolution of the Aegean. With this aim, we present an improved Cenozoic stratigraphy ...E. Yalçın Ersoy, Cüneyt Akal, Ş. Can Genç, Osman Candan, Martin R. Palmer, Dejan Prelević, İbrahim Uysal, Regina Mertz-Kraus. "U-Pb zircon geochronology of the Paleogene – Neogene volcanism in the NW Anatolia: Its implications for the Late Mesozoic-Cenozoic geodynamic evolution of the Aegean" in Tectonophysics 717 (2017): 284-301. https://doi.org/10.1016/j.tecto.2017.08.016
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Prirodno prečišćavanje i stimulisana bioremedijacija podzemnih voda zagađenih naftnim ugljovodonicima
Nenad M. Marić (2016-09-26)Disertacija se konceptualno sastoji iz dva dela kojima je obuhvaćen pasivan (prirodnoprečišćavanje) i aktivan remedijacioni pristup (stimulisana bioremedijacija) kodpodzemnih voda zagađenih naftnim ugljovodonicima.U prvom delu disertacije prikazani su rezultati osmatranja procesa prirodnogprečišćavanja u podzemnim vodama na lokaciji istorijskog zagađenja kerozinom.Tragovi zagađenja naftnim ugljovodonicima pronađeni su 20 godina nakon prosipanjakerozina. Ovo je stvorilo osnovu za proučavanje efekata dugotrajne izloženostipodzemnih voda procesima biodegradacije u terenskim uslovima. Uočeno je da sesnižene koncentracije elektron akceptora (O2, NO3-, SO42-) i povišene koncentracijemetaboličkih produkata biodegradacije ...... ground waters. Isotopes in Environmental and Health Studies Vol. 41, No. 3, 217–221. 119. SRPS EN ISO 27888:200 (2009) Određivanje električne provodnosti. Institut za standardizaciju Srbije, Beograd. 120. SRPS EN ISO 8245:2007 (2007) Smernice za određivanje ukupnog organskog ugljenika (TOC) i ...
... (2009) Određivanje ugljovodoničnog indeksa, metoda gasne hromatografije nakon ekstrakcije rastvaračem. Institut za standardizaciju Srbije, Beograd. 122. SRPS EN ISO 9963-1:07 (2007) Određivanje ukupnog i kompozitnog alkaliteta. Institut za standardizaciju Srbije, Beograd. 123. Stumm W and Morgan ...
... Doktorska disertacija Materijal i metode 53 Gvožđe(II)-sulfat heptahidrat 1 ml 1% rastvora Agar 16,0 g/l Ekstrakt zemlje 50 m/l pH 7 Podloga za određivanje ukupnog broja bakterija koje oksiduju redukovana jedinjenja sumpora (Rodina, 1965) ...Nenad M. Marić. "Prirodno prečišćavanje i stimulisana bioremedijacija podzemnih voda zagađenih naftnim ugljovodonicima" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-09-26)
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Geochemistry, Sr–Nd–Pb isotopes and geochronology of amphibole- and mica-bearing lamprophyres in northwestern Iran: Implications for mantle wedge heterogeneity in a palaeo-subduction zone
M. Aghazadeh, Д. Прелевић, Z. Badrzadeh, E. Braschi, P. van den Bogaard, S. Conticelli. "Geochemistry, Sr–Nd–Pb isotopes and geochronology of amphibole- and mica-bearing lamprophyres in northwestern Iran: Implications for mantle wedge heterogeneity in a palaeo-subduction zone" in Lithos 216-217 (2015): 352-369. https://doi.org/doi.org/10.1016/j.lithos.2015.
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Effects of external noise on threshold-induced correlations in ferromagnetic systems
Dragutin Jovković, Sanja Janićević, Svetislav Mijatović, Lasse Laurson, Đorđe Spasojević. "Effects of external noise on threshold-induced correlations in ferromagnetic systems" in Physical Review E, American Physical Society (APS) (2021). https://doi.org/10.1103/PhysRevE.103.062114
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The Importance of Detailed Groundwater Monitoring for Underground Structure in Karst (Case Study: HPP Pirot, Southeastern Serbia)
... characteristic tunnel sections (Sections I, II and III) between four observation points (0 + 030, 3 + 160, 6 + 560 and 8 + 530 m). The three sections represent inflows or, more precisely, the differences in inflow between the beginning and end of each tunnel section, and the corresponding observation well (PP-1 ...
... from the fractured aquifer (less than 5 L/s) and a much higher groundwater level (65 m at PP-1) relative to the water level of the reservoir, with a difference of 3.18 m when the tunnel was completely empty. The rate of inflow into Section II was up to 9 L/s and the groundwater level was generally about ...
... higher than the water level of the reservoir when the tunnel was online. The difference between the online and offline status was greatest (43.03 m) at this observation well. A characteristic of Section II is that it had the highest rate of drainage of the karstified zone above the tunnel. There was constant ...Marina Čokorilo Ilić, Ana Mladenović, Marina Ćuk, Igor Jemcov. "The Importance of Detailed Groundwater Monitoring for Underground Structure in Karst (Case Study: HPP Pirot, Southeastern Serbia)" in Water, MDPI AG (2019). https://doi.org/10.3390/w11030603
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Компарација метода XRF i ICP-MS на узорцима угља и продуктима сагоревања
Бранко Костић, Ксенија Ераковић, Дејан Прелевић, Сабина Ковач, Драгана Животић. "Компарација метода XRF i ICP-MS на узорцима угља и продуктима сагоревања" in Записници Српског геолошког друштва (2023)
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Melt evolution beneath a rifted craton edge: 40Ar/39Ar geochronology and Sr-Nd-Hf-Pb isotope systematics of primitive alkaline basalts and lamprophyres from the SW Baltic Shield
Tappe Sebastian, Smart Katie A., Stracke Andreas, Romer Rolf, Prelević Dejan, van den Bogaard Paul (2016)Tappe Sebastian, Smart Katie A., Stracke Andreas, Romer Rolf, Prelević Dejan, van den Bogaard Paul. "Melt evolution beneath a rifted craton edge: 40Ar/39Ar geochronology and Sr-Nd-Hf-Pb isotope systematics of primitive alkaline basalts and lamprophyres from the SW Baltic Shield" in Geochimica et Cosmochimica Acta 173, :Pergamon (2016): 1-36. https://doi.org/10.1016/j.gca.2015.10.006
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OntoLex Publication Made Easy: A Dataset of Verbal Aspectual Pairs for Bosnian, Croatian and Serbian
Ovaj rad predstavlja novi jezički resurs za pretraživanje i istraživanje verbalnih aspektnih parova u BCS (bosanskom, hrvatskom i srpskom), kreiran korišćenjem principa Lingvističkih Povezanih Otvorenih Podataka (LLOD). Pošto ne postoji resurs koji bi pomogao učenicima bosanskog, hrvatskog i srpskog kao stranih jezika da prepoznaju aspekt glagola ili njegove parove, kreirali smo novi resurs koji će korisnicima pružiti informacije o aspektu, kao i link ka aspektnim parovima glagola. Ovaj resurs takođe sadrži spoljne linkove ka monolingvalnim rečnicima, Wordnetu i BabelNetu. ...Ranka Stanković, Maxim Ionov, Medina Bajtarević, Lorena Ninčević. "OntoLex Publication Made Easy: A Dataset of Verbal Aspectual Pairs for Bosnian, Croatian and Serbian" in Proceedings of the 9th Workshop on Linked Data in Linguistics @ LREC-COLING 2024, Turin, 20-25 May 2024, ELRA and ICCL (2024)
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Rujevac Sb-Pb-Zn-As polymetallic deposit, Boranja orefield, Western Serbia: Native arsenic and arsenic mineralization
Radosavljević Slobodan, Stojanović Jovica, Radosavljević Mihajlović Ana,Vuković Nikola. "Rujevac Sb-Pb-Zn-As polymetallic deposit, Boranja orefield, Western Serbia: Native arsenic and arsenic mineralization" in Mineralogy and Petrology 108 no. 1, :Springer Vienna (2014): 111-122
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The Dictionary of the Serbian Academy: from the Text to the Lexical Database
In this paper we discuss the project of digitization of the Dictionary of the Serbo-Croatian Standard and Vernacular Language. Scanning and character recognition were a particular challenge, since various non-standard character set encoding was used in the course of the almost 60-year long production of the dictionary. The first aim of the project was to formalize the micro-structure of the dictionary articles in order to parse the digitized text of and transform it into structured data stored in relational lexical database. This approach ...... with Arabic numerals or, if the mean- ings are close, with lowercase letters. If the headword is a verb, its non-reflexive and reflexive forms are marked by Roman numerals I and II. 1. terminological markers – predefined terminological abbreviations are used to indicate the scientific domain in which ...
... semantic, accentual and grammatical (phonetic, morphological and, more recently, syntactic) information, the DSA also includes indications of the normative, functional, stylistic and socio-historical status of the lexical entries, as well as their spatial and temporal scope and domain of use. Apart ...
... па̏леоце̄н and палео̀це̄н ‘paleocen’ in our example), full forms and their abbrevia- tions (др for доктор ‛doctor’), orthographic variants and diff erent pronunciations (Ekavian sneg and Ijekavian snijeg ‘snow’). LexicalSense is used to represent a particular sense of a lexical entry, and to 4 https://www ...Ranka Stanković, Rada Stijović, Duško Vitas, Cvetana Krstev, Olga Sabo. "The Dictionary of the Serbian Academy: from the Text to the Lexical Database" in Proceedings of the XVIII EURALEX International Congress: Lexicography in Global Contexts, Ljubljana : Ljubljana University Press, Faculty of Arts (2018)
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Приказ резултата истраживања рудне жице 43 на хоризонту -100 рудника ''Леце''
Цветковић Марко (2024)Лежиште олова и цинка са пратећим златом и сребром интезивно се експлоатише од 1953. године. Експлоатација се промењивим интезитетом одвијала до 2001. године, када престаје због организационо-финансијских проблема. После приватизације рудника Концерн ''Фармаком-МБ'' из Шапца постаје власник рудника и покреће низ активности на санирању стања и обнављању производње. Од 2010. године поново почиње интезивна експлоатација и прерада руде. Повод за анализу и разраду теме ''Приказ резултата истраживаља рудне жице не хоризонту -100 у руднику Леце'' јесте израда овог завршног ...... canp:xkajuMa Pb+Zn oko 1%. IIoBnpmmuHe anodQuH3aHHx pyjHux Tema pyhHuor Tema, ca noBehaHHM cajpxKkajeM Au H Ag, Kao yKyIHIHH cpe)jibH cCajlp;kajH MeTaJIa IO XOpH3OHTHMa JlaTH Cy y TaOcJ1apHOM trperne,ny (B. Panonah 2010.): Ta6exna 1. PynHe noBpiuuHe H cpe/ibH cajipx;kaju MeTajJa IIoBpmuHa 0 Pb (%) ...
... 3HMaTOM, CpeOpoM M NpyrMM MaM= 3aCTyUIJBĆHHM MeTaNMMa. Ca METAaJIOTCHCTCKOT aCIIČKTa KBapIHHO OpeuacTe 3OHC y KOJHMA Cy (DoOpMHpaHa »xHuHa pyjiHa TeJa Pb-Zn ca riparehaM MerTaJMa HMajy HajBehu 3Hauaj y MeTaJIOrcHHJH IHiper rojnipyuja py/lHHKa "Jleme". Vy3 OBE 3OHC CHOPpa)IHUHO CC jaBJbajy OHaJICKO K ...
... TIO XOpH3OHTHMa JlaTH cy y rTaOenapHOoM trperneny (B. Panongh 2010.): Ta6ena 2.Pynne noBpiuuHe H cpejitbu cajipxxaju Meraja IIoBpmuHa XopuH3oHT Pb (%) Zn (%) Au (g/t) Ag (g/t) (m2) +75 3.822 0,23 0,30 1,72 28,80 +0,00 7.249 0,71 1,81 3,81 22,90 -50 2.613 1,37 2,87 4,59 7,82 -100 4.818 ...Цветковић Марко. Приказ резултата истраживања рудне жице 43 на хоризонту -100 рудника ''Леце'', 2024
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The optimization of auxiliary machinery in open-cast lignite mines: a case study of bulldozers
One of the most important prerequisites for the successful operation of the open-cast lignite mine is to carry out all the auxiliary works timely with the necessary quality. The most important and most commonly used auxiliary machines are bulldozers. Engaging time of bulldozers use is in direct relation with the coefficients of the time and capacity utilization of the continuous system for the excavation of coal and tailings, which indicates their importance. More than 100 bulldozers have been hired ...... reduced number of effective hours which these machines can achieve, higher consumption of fuel and spare parts and more stoppages (failures) (Figure 1). 286 3000 | [mh] /_—\_/—\ | 2500 - ИИ иИ 2000 - / es / —о— Аџегаве геа!7еа moto hours — — Ауегаве рјаппеа stoppages 1000 + ...
... selection, including savings and improvements, can be achieved by these activities: In-time replacement of auxiliary machines and vehicles; Usage of proven and quality machines with implemented unification as much as possible; Improvement of maintenance system; Implement modern and improved technologies ...
... reduce the operational and maintenance costs, increase the volume of auxiliary works and create conditions for maximal utilization of Excavator — Conveyor — Stacker and Excavator — Conveyor — Crusher systems. In another word, these activities will increase time utilization and production rate utilization ...Dragan Ignjatović, Predrag Jovančić, Stevan Đenadić, Ivan Janković, Ivica Ristović. "The optimization of auxiliary machinery in open-cast lignite mines: a case study of bulldozers" in 7th International Symposium Mining and Environmental Protection, University of Belgrade, Faculty of Mining and Geology, Belgrade, Serbia (2019)
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Novi pristup proučavanju tekstura minerala značajnih za istraživanje rudnih ležišta
Aleksandar Pačevski (2022)... elements. Higher contents of Cu, Pb, As and Ag in this pyrite were determined by the microprobe analysis methods of a mineral composition (EMPA and LA-ICP-MS). However, using the microprobe analysis methods of a crystal structure of mineral, such as micro-Raman spectroscopy and TEM analysis with prior sample ...
... conditions of this, otherwise rare variety of pyrite in nature. On the other hand, incorrect crystallochemical and genetic interpretation of Pb, As and Ag-bearing pyrite was prevented, and the porous character of this mineral was emphasized, what underlines the specificity in the conditions of ore ...
... only by their combining and upgrading on the basic investigations by polarized light microscope. A good model for this research approach represents the study of pyrite from the polymetallic Cu-Au-Ag-Pb-Zn Čoka Marin deposit, a mineral that shows a great diversity in texture and contains the elevated ...Aleksandar Pačevski. "Novi pristup proučavanju tekstura minerala značajnih za istraživanje rudnih ležišta" in 18. Kongres geologa Srbije “Geologija rešava probleme” Divčibare, 01-04 jun 2022., Beograd : Srpsko geološko društvo (2022)
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Application of the Fuzzy Model in the Evaluation and Selection of Hydraulic Excavators on Open-Pit Lignite Mine
Stevan Đenadić, Miloš Tanasijević, Vladimir Milisavljević, Dragan Ignjatović, Predrag Jovančić (2021)The production of lignite in large open-pit mines is mainly performed with continuously operating equipment, where bucket-wheel excavators, bucket-chain excavators, belt conveyors, and spreaders are the basic machines. Smaller machines, usually of discontinuous operating nature, are commonly categorized as auxiliary machines. This paper presents the research related to the analysis of auxiliary machine parameters with the case study for a hydraulic excavator. The purpose of the analysis was to develop a model of rating quality of service of the ...Stevan Đenadić, Miloš Tanasijević, Vladimir Milisavljević, Dragan Ignjatović, Predrag Jovančić. "Application of the Fuzzy Model in the Evaluation and Selection of Hydraulic Excavators on Open-Pit Lignite Mine" in SSRN Electronic Journal, Elsevier BV (2021). https://doi.org/10.2139/ssrn.3945617
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Thermally induced phase transformation of Pb-exchanged LTA and FAU-framework zeolite to feldspar phases
Radosavljević-Mihajlović Ana, Kremenović Aleksandar, Došen Anja, Andrejić Jelena, Dondur Vera (2015)Radosavljević-Mihajlović Ana, Kremenović Aleksandar, Došen Anja, Andrejić Jelena, Dondur Vera. "Thermally induced phase transformation of Pb-exchanged LTA and FAU-framework zeolite to feldspar phases" in Microporous and Mesoporous Materials 201, :Elsevier (2015): 210-218. https://doi.org/10.1016/j.micromeso.2014.08.05
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The Newton method for solving nonlinear equations based on aggregation operators
Nebojša M. Ralević, Dejan Ćebić (2019)Nebojša M. Ralević, Dejan Ćebić. "The Newton method for solving nonlinear equations based on aggregation operators" in XLVI International Symposium on Operational Research SYM-OP-IS, Kladovo, 15-18.9.2019, Универзитет у Београду (2019)
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New U–Pb dating and Hf-isotope composition of the Gornjane Granitoids (South Carpathians, East Serbia)
Vasković Nada, Belousova Elena, O’Reilly Susann Y, Griffin William L., Srećković Batoćanin Danica, Christofides Georgios, Koroneos Antonis (2012)Vasković Nada, Belousova Elena, O’Reilly Susann Y, Griffin William L., Srećković Batoćanin Danica, Christofides Georgios, Koroneos Antonis. "New U–Pb dating and Hf-isotope composition of the Gornjane Granitoids (South Carpathians, East Serbia)" in 5th Mineral Sciences in the Carpathians Conference and 3rd Central-European Mineralogical Conference no. 7, Miskolc, Hungary:Acta Mineralogica-Petrographica, Abstract Series (2012): 146-146
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Trace elements and Sr-Nd-Pb isotopes of K-rich, shoshonitic, and calc-alkaline magmatism of the Western Mediterranean Region: Genesis of ultrapotassic to calc-alkaline magmatic associations in a post-collisional geodynamic setting
Conticelli Sandro, Guarnieri Luisa, Farinelli Alice, Mattei Massimo, Avanzinelli Riccardo, Bianchini Gianluca, Boari Elena, Tommasini Simone, Tiepolo Massimo, Prelević Dejan, Venturelli Giampiero (2009)Conticelli Sandro, Guarnieri Luisa, Farinelli Alice, Mattei Massimo, Avanzinelli Riccardo, Bianchini Gianluca, Boari Elena, Tommasini Simone, Tiepolo Massimo, Prelević Dejan, Venturelli Giampiero. "Trace elements and Sr-Nd-Pb isotopes of K-rich, shoshonitic, and calc-alkaline magmatism of the Western Mediterranean Region: Genesis of ultrapotassic to calc-alkaline magmatic associations in a post-collisional geodynamic setting" in Lithos 107, Amsterdam, Netherlands Београд :Elsevier BV Elsevier BV (2009): 68-92. https://doi.org/10.1016/j.lithos.2008.07.016
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Texture and composition of Pb-bearing pyrite from the Čoka Marin polymetallic deposit, Serbia, controlled by nanoscale inclusions
Pačevski Aleksandar, Moritz Robert, Kouzmanov Kalin, Marquardt Katharina, Živković Periša, Cvetković Ljubomir (2012)Pačevski Aleksandar, Moritz Robert, Kouzmanov Kalin, Marquardt Katharina, Živković Periša, Cvetković Ljubomir. "Texture and composition of Pb-bearing pyrite from the Čoka Marin polymetallic deposit, Serbia, controlled by nanoscale inclusions" in Canadian Mineralogist 50, Ottawa:Mineralogical Association of Canada (2012): 1-20
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Understanding a volcanic history of SW part of Lece Volcanic Complex from plagioclase composition, zircon geochemistry and U-Pb age
Bojan Kostić (2019)Bojan Kostić. "Understanding a volcanic history of SW part of Lece Volcanic Complex from plagioclase composition, zircon geochemistry and U-Pb age" in 14. Workshop of the International Lithosphere Program Task Force Sedimentary Basins, Hungarian geological society (2019)