Претрага
925 items
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Novi model za postizanje optimalne proizvodnje na naftnom polju Amal
Elnori Elmabrouk Ali Elhaddad (2015-04-16)Doktorskom disertacijom analizirani su i proučavani problemi proizvodnje nafte iprimenjene metode za njihovo rešavanje na naftnom polju Amal. Ukratko jeprikazana proizvodnje nafte u Libiji, njene karakteristike i rezerve, da bi se videoznačaj ovog naftnog polja.Utvrđeno je da su na naftnom polju Amal ključni problemi koji prate procesproizvodnje taloženje parafina, pojava slojnog peska, neefikasan rad gasliftsistema, neefikasna desalinizacija nafte i ekološki problemi. Proizvodniproblemi, pojedinačno i više njih zajedno, na nekim bušotinama uzrokovali susmanjenje proizvodnje nafte od 40 do 75%. Zbog ...... sabirne stanice 1, 3, 5 i 8. Sabirna stanica 1 se nalazi jugozapadno od pumpne stanice na udaljenosti od 0,5 km. Sabirna stanica 3 se nalazi 9 km istočno od pumpne stanice, dok se zapadno sa suprotne strane nalazi sabirna stanica 8 na udaljenosti od13 km. Sabirne stanice 5 i 6 su locirane na ...
... je sabirna stanica 6 preko sabirne stanice 5 povezana sa pumpnom stanicom. 15 Na osnovu prikaza položaja bušotina i sabirnih stanica vidi se da se 74 proizvodne bušotine nalaze u blizini pumpne stanice, u okviru sabirnih stanica 1, 2, 3, 5 i 8. Održavanje ovih bušotina je jednostavnije ...
... kompresora na sabirnoj stanici i izlazni protok Sabirna stanica Broj instaliranih kompresora Protok, m3/dan 1 2 21840 2 6 82600 3 4 63280 4 5 65240 5 2 34440 6 4 88200 7 1 21000 4. ANALIZA PROIZVODNIH PROBLEMA Proizvodni problemi zahtevaju svakodnevo preduzimanje odgovarajućih ...Elnori Elmabrouk Ali Elhaddad. "Novi model za postizanje optimalne proizvodnje na naftnom polju Amal" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-04-16)
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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 ...... Reakciona smeša, finalne zapremina 25 µL, sadržala je 12,5 µL master miksa, po 10 pmol 27F - Cy-5 obeleženog prajmera i 1387R (5'-GGGCGGAGTGTACAAGGC-3'; Marchesi et al., 1998) prajmera, 2,5 mM MgCl2, 5 % DMSO i 1 µL DNK uzorka. Finalna zapremina je podešena dodavanjem destilovane vode. Kao matrica ...
... jedan od prajmera bude obeležen fluoroforom. Kada je rađena T- RFLP analiza na Univerzitetu u Bangoru 27F prajmer (5'- 57 AGAGTTTGATCMTGGCTCAG-3'; Lane, 1991) je bio obeležen Cy-5 fluorescentnom bojom, dok je isti prajmer bio obeležen 6-FAM fluorescentnom bojom kada je ista analiza rađena ...
... 25 µL je sadržala 1×Kapa 2G pufera, 0,2 mM smeše svih dNTP, 0,5 µM 27F - 6-FAM obeleženog prajmera i 0,5 µM 1492R (5’- TACGG(C/T)TACCTTGTTACGACTT- 3’; Lane et al., 1991) prajmera, 5 % DMSO, 0,1 µL Kapa 2G Fast DNK polimeraze i 1-2 µL uzorka DNK. Finalna zapremina reakcije podešavana je dodavanjem ...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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Substitution reactions of some novel sterically hindered monofunctional Pd(II) complexes
Reakcije supstitucije monofunkcionalnih kompleksa [(TLtBu)PdCl]+ i [Pd(tpdm)Cl]+, gde je TLtBu = 2,6-bis[(1,3-di-terc-butilimidazolin-2-imino)metil]piridin i tpdm = terpiridindimetan, sa nukleofilima kao što su: tiourea, I−, Br−, NO2−, piridin i dimetil-sulfoksid (DMSO) proučavani su u 0,1 M vodenom rastvoru NaClO4 u prisustvu 10 mM NaCl. Reakcije su sprovedene na tri različite temperature (288, 298 i 308 K) korišćenjem tehnike zaustavljenog protoka na različitim temperaturama. Reakcije supstitucije su praćene pod uslovima pseudo prvog reda sa velikim viškom nukleofila. Dobijeni rezultati pokazuju da kompleks ...... nucleophiles in 0.1 M NaClO4 and 10 mM NaCl. [Pd(tpdm)cl]* ky (M7! 5-1) k, [Cl] (M7 s7") AH2” (kJ mol!) AS3” (J K~! mol~!) Thiourea® 298 (5.8 + 0.2) x 10° 0.37 + 0.08 29 +3 75 £8 I 288 526 +3 1241 298 646 +5 47 £2 843 -180+9 308 693 +6 230#5 Bre 288 4341 3.2401 | | 298 90 +2 26 +1 NO 298 63.5 +0.5 3041 ...
... DH2 – (kJ mol�1) DS2 – (J K�1 mol�1) Thioureaa 298 (5.8 ± 0.2) � 103 0.37 ± 0.08 29 ± 3 �75 ± 8 I� 288 526 ± 3 12 ± 1 298 646 ± 5 47 ± 2 8 ± 3 �180 ± 9 308 693 ± 6 230 ± 5 Br� 288 43 ± 1 3.2 ± 0.1 / / 298 90 ± 2 26 ± 1 NO2 � 298 63.5 ± 0.5 30 ± 1 / / Pyridine 288 25.1 ± 0.1 (3.6 ± 0.1) � 10�1 31 ± ...
... the displacement of chloride ion from [(TLtBu)PdCl]+ and [Pd(tpdm)Cl]+ complexes are summarized in Table 1. Representative plots are shown in Figs. 2–5 (others are given in Supplementary material, Figs. 1S–7S). As can be seen in all cases kobs, depends linearly of the entering ligand concentration. According ...Aleksandar Mijatović, Jovana Bogojeski, Biljana Petrović, Živadin D. Bugarčić. "Substitution reactions of some novel sterically hindered monofunctional Pd(II) complexes" in Inorganica Chimica Acta, Elsevier BV (2011). https://doi.org/10.1016/j.ica.2011.11.031
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Terminological and lexical resources used to provide open multilingual educational resources
Open educational resources (OER) within BAEKTEL (Blending Academic and Entrepreneurial Knowledge in Technology enhanced learning) network will be available in different languages, mostly in the languages of Western Balkans, Russian and English. University of Belgrade (UB) hosts a central repository based on: BAEKTEL Metadata Portal (BMP), terminological web application for management, browse and search of terminological resources, web services for linguistic support (query expansion, information retrieval, OER indexing, etc.), annotation of selected resources and OER repository on local edX ...... localization and translation industry as well as public translation and terminology units and organizations. Image 1: BAEKTEL language support system [5] 3. BAEKTEL To enable productive multilingual cooperation, open educational resources (OER) produced within BAEKTEL project will be available in different ...
... followed by a definition, its synonyms, and bibliographical reference to their source, as well as equivalent terms in other languages. GeolISSTerm 5 is a thesaurus of geological terms with entries in Serbian and English, developed as a part of the GeolISS project. It contains more than 3000 dictionary ...
... languages. The Serbian WordNet covers about 20 000 synsets [9] from different specific domains (e. g. law, biomedicine, mythology, culinary etc.). 5. TERMINOLOGY EXTRACTION Bearing in mind rapid changes in scientific domains and new terms production, automatic terminology recognition and extraction ...Biljana Lazić, Danica Seničić, Aleksandra Tomašević, Bojan Zlatić. "Terminological and lexical resources used to provide open multilingual educational resources" in The Seventh International Conference on eLearning (eLearning-2016), 29-30 September 2016, Belgrade, Serbia, Belgrade : Belgrade Metropolitan University (2016)
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Palaeoflora of Kamenica (Pranjani Basin, western Serbia)
Palaeofloras of the Paleogene in Serbia are relatively rare, especially in comparison with floras from Neogene sediments. Most Paleogene phytoas sociations from the territory of Serbia existed in a dry and warm climate. The youngest Paleogene phytoassociation originates from the Pranjani Basin (Western Serbia), locality Kamenica. The age of this palaeoflora is determined as Late Oligocene. This fossil plant assemblage is different from other Paleo gene phytoassociations.The palaeoflora from Kamenica is characterized with leaf imprints larger than in other ...... represented by the Myrica (Plate 5, Figs. 1, 5) and Platanus neptuni (Plate 4, Fig. 10). These plant forms inhabited the banks of the river and the margins of the lake basin. a significant number of samples in this locality belongs to pines: Pinus hepios (Plate 1 Fig. 5), Pinus palaeopentaphylla (Plate ...
... Ulmus pyramidalis GOePPerT Palaeoflora of Kamenica (Pranjani Basin, western Serbia) Geol. an. Balk. poluos., 2019, 80 (2), 53–63 63 Plate 5. Figs. 1, 5. Myrica lignitum (uNGer) SaPOrTa; Fig. 2. “Laurus” princeps heer; Figs. 3, 4. Platanus neptuni (eTTING- ShauSeN) BuŽeK, hOLy &KvaČeK; Fig. 6. Magnolia ...
... 80 (2), 53–63 59 Plate 1. Figs. 1, 3, 4, 7. Pinus palaeopentaphylla TaNaI & ONOe; Figs. 2, 8, 10, 12. Sequoia abietina (BrONGNIarT) KNOBLOch; Fig. 5. Pinus hepios (uNGer) heer; Fig. 6. Pinus sp. - cone; Figs. 9, 11, 16. Taxodium dubium (STerNBerG) heer; Figs. 15, 17. Glyptostrobus europaeus (BrONGNIarT) ...Zorica Lazarević, Ljubica Milovanović, Jelena Milivojević, Ivana Vasiljević . "Palaeoflora of Kamenica (Pranjani Basin, western Serbia)" in Geološki anali Balkanskog poluostrva, Beograd : Rudarsko-geološki fakultet (2019). https://doi.org/10.2298/GABP1902053L
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Split-Desktop software for the analysis of fragment size distribution of blasted rock mass
Milanka Negovanović, Lazar Kričak, Stefan Milanović, Jovan Marković, Nikola Simić, Snežana Ignjatović (2023)Drobljenje stena je najvažniji pokazatelj u proceni efekata miniranja pri proizvodnom miniranju u površinskoj eksploataciji. Stepen drobljenja stena ima veliki uticaj na efikasnost daljih operacija utovara, transporta, drobljenja i mlevenja. Optimalno drobljenje stena pri proizvodnom miniranju utiče na smanjenje ukupnih troškova proizvodnje. Stoga je pouzdana procena veličine drobljenja odminirane stenske mase veoma važno pitanje, ne samo u operacijama miniranja, već i u rudarskoj proizvodnji. Za predviđanje distribucije veličine komada odminirane stenske mase postoje različiti empirijski modeli. KUZ-RAM model omogućava ...Milanka Negovanović, Lazar Kričak, Stefan Milanović, Jovan Marković, Nikola Simić, Snežana Ignjatović. "Split-Desktop software for the analysis of fragment size distribution of blasted rock mass" in 9th International Conference Mining and environmental protection, Sokobanja, Serbia, 24 – 27. May 2023, Belgrade : University of Belgrade, Faculty of Mining and Geology (2023)
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2D geoelectrical resistivity tomography application at the former city waste dump "Ada Huja": Eco-geological problem
... electromagnetic signal attenuation due to low value resistivity layers. The GRP section (Figure 5, bottom) corresponds to the marked rectangle on the 2D model-section of true resistivity values (Figure 5, top) where the presence of relatively high resistivity sands had to enable the least amount of ...
... was not detected with the geoelectrical scanning method. Acquired borehole data indicated a presence of subsurface water at a depth of around 5 m (Figure 5, middle) which makes a good reflective surface that divides two diametrically opposite resistivity values and a dielectric constant value which ...
... lia, 5 (1), pp. 41-47. THEMELIS, J. N. and PRISCILLA, A. U. (2006) Methane generation in landfills. Renewable Energy, 32, pp. 1243-1257. WEBB, H.K. et al. (2013) Plastic degradation and its environmental implications with special reference to Poly(ethylene terephthalate). Polymers, 5, pp. 1-18 ...Branislav Sretenović, Filip Arnaut, Ivana Vasiljević, Vesna Cvetkov. "2D geoelectrical resistivity tomography application at the former city waste dump "Ada Huja": Eco-geological problem" in Podzemni radovi, Centre for Evaluation in Education and Science (CEON/CEES) (2019). https://doi.org/10.5937/PodRad1934059S
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Understanding the effect of synthesis and sintering temperature on the functional properties of barium titanate/cobalt ferrite composites
Marija Šuljagić, Aleksandar Kremenović, Ivan Petronijević, Adis Džunuzović, Miljana Mirković, Vladimir Pavlović, Ljubica Anđelković (2023)To investigate the effect of synthesis procedure and sintering temperature on the functional properties of perovskite/spinel ceramics, BaTiO3/CoFe2O4 composites were prepared by thermal decomposition, coprecipitation, and microemulsion method, and sintered at 1150°C and 1300°C. The phase composition and morphology of as-prepared powders as well as sintered ceramics were thoroughly examined by X-ray powder diffraction (XRPD) and scanning electron microscopy (SEM) coupled with electron dispersive spectroscopy (EDS). The dielectric and ferroelectric measurements were performed in detail. Generally, the ...Marija Šuljagić, Aleksandar Kremenović, Ivan Petronijević, Adis Džunuzović, Miljana Mirković, Vladimir Pavlović, Ljubica Anđelković. "Understanding the effect of synthesis and sintering temperature on the functional properties of barium titanate/cobalt ferrite composites" in Science of Sintering (2023). https://doi.org/10.2298/SOS220512013S
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Photocatalytic Activity of the V2O5 Catalyst toward Selected Pharmaceuticals and Their Mixture: Influence of the Molecular Structure on the Efficiency of the Process
Sanja J. Armaković, Aleksandra Jovanoski Kostić, Andrijana Bilić, Maria M. Savanović, Nataša Tomić, Aleksandar Kremenović, Maja Šćepanović, Mirjana Grujić-Brojčin, Jovana Ćirković, Stevan Armaković (2023)Due to the inability of conventional wastewater treatment procedures to remove organic pharmaceutical pollutants, active pharmaceutical components remain in wastewater and even reach tap water. In terms of pharmaceutical pollutants, the scientific community focuses on -blockers due to their extensive (over)usage and moderately high solubility. In this study, the photocatalytic activity of V2O5 was investigated through the degradation of nadolol (NAD), pindolol (PIN), metoprolol (MET), and their mixture under ultraviolet (UV) irradiation in water. For the preparation of V2O5, facile ...DFT analysis, metoprolol, nadolol, nanomaterial characterization, photocatalysis, pindolol, β-blocker... || . . 0 5 10 30 60 120 0 5 10 30 60 120 Time (min) Time (min) Figure 12. NAD, PIN, and MET mixture degradation kinetics under UV irradiation: (a) without VOs and (b) with V»Os catalyst. 9.00 MDF W Photocatalysis 8.00 7.00 6.00 „. 500 — 4.00 3.00 2.00 1.00 0.00 0 5 10 30 60 ...
... stoichiometric V5»Os. Molecules 2023, 28, 655 5of18 Spectrum 1 V A o A |A o 1 2a 3 4 5 6 7/ B 0 10 Full Scale 4432 cts Cursor:-0.124 KeV (0 cts) keV v Spectrum 2 V o V r - ——— e O 1 2 3 4 5 6 7 8 9 10 100 ım Electron Image 1 Full Scale 4432 cts Cursor:-0.124 KeV (0 cts) keV Figure ...
... allowed direct and indirect transitions, are estimated as ~2.24 and ~2.11 eV, respectively. Z< 04 = || 5 m G 0.3 . || Š 02- > | < 3:: 0.1- & i E,= 2.11eV (indirect) 0.0 _ IZ || 5 0.015 :: „ 0.010 ž B> 0.005 e | — j E,„= 2.24 eV (direct) 0.000 MOEA LN KLLUNLLLL 10 15 20 25 30 ...Sanja J. Armaković, Aleksandra Jovanoski Kostić, Andrijana Bilić, Maria M. Savanović, Nataša Tomić, Aleksandar Kremenović, Maja Šćepanović, Mirjana Grujić-Brojčin, Jovana Ćirković, Stevan Armaković. "Photocatalytic Activity of the V2O5 Catalyst toward Selected Pharmaceuticals and Their Mixture: Influence of the Molecular Structure on the Efficiency of the Process" in Molecules, MDPI AG (2023). https://doi.org/10.3390/molecules28020655
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Mafic alkaline metasomatism in the lithosphere underneath East Serbia: Evidence from the study of xenoliths and the host alkali basalts
Effects of mafic alkaline metasomatism have been investigated by a combined study of the East Serbian mantle xenoliths and their host alkaline rocks. Fertile xenoliths and tiny mineral assemblages found in depleted xenoliths have been investigated. Fertile lithologies are represented by clinopyroxene (cpx)-rich lherzolite and spinel (sp)-rich olivine websterite containing Ti–Al-rich Cr-augite, Fe-rich olivine, Fe–Al-rich orthopyroxene and Al-rich spinel. Depleted xenoliths, which are the predominant lithology in the suite of East Serbian xenoliths, are harzburgite, cpx-poor lherzolite and rare ...Cvetković Vladica, Downes Hilary, Höck Volker, Prelević Dejan, Lazarov Marina. "Mafic alkaline metasomatism in the lithosphere underneath East Serbia: Evidence from the study of xenoliths and the host alkali basalts" in Geological Society Special Publication 337, London, United Kingdom :Geological Society (2010): 213-239. https://doi.org/10.1144/SP337.11
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Risk Evaluation: Brief Review and Innovation Model Based on Fuzzy Logic and MCDM
Stevan Djenadic, Milos Tanasijevic, Predrag Jovancic, Dragan Ignjatovic, Dejan Petrovic, Ugljesa Bugaric (2022)The risk assessment of engineering systems represents an important part of the quality of service and dependability. The existing methods for risk evaluation use crisp sets for rating partial indicators’ proposition and their cumulative products as an overall indicator. In this paper, existing FMEA and FMECA methods have been improved using the fuzzy expert system for calculating the risk priority number. The application of fuzzy logic allows the use of linguistic descriptions for risk analysis. In this way, the ...Stevan Djenadic, Milos Tanasijevic, Predrag Jovancic, Dragan Ignjatovic, Dejan Petrovic, Ugljesa Bugaric. "Risk Evaluation: Brief Review and Innovation Model Based on Fuzzy Logic and MCDM" in Mathematics, MDPI AG (2022). https://doi.org/10.3390/math10050811
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Стабилизација косине приступног пута у југоисточном делу површинског копа „Ћерамиде“
Никола Анђелић (2024)Експлоатација дацита као техничког камена се на површинском копу "Ћерамиде" врши дисконтуалном технологијом уз примену бушачко-минерских радова и високо капацитативне и габаритне опреме. Примане наведене технологије захтева стабилне и безбедне транспортне путеве како би се планирана производња и реализовала. Услед клизишта које је настало у зони главног извозног пута на површинском копу дацита "Ћерамиде" неопходно је обезбедити одговарајуће техничко решење којим би се косина пута довела у стабилно стање. У том смислу предложено је техничко решење са насипањем косине ...... svojstava stenskog materijala alterisanog dacita (dacit II faze) Fi [] = [} = – 8 - . 5 Š_| 3 S._S|ES„Z s- 25 | ž%5% i + -A F3 35 | ss |S25|455 ž E |ŠS |Ež Uwmk | Č | s |ŽSc| 205 BBs) ŽE |S e 35e E | 5 | EaS| EB 25 < |s I 3 G o 9|0 6 a o | sž FIA s I S E N -i U72 O , (kota 380) | 24 ...
... -25 } 5 50 75 100 125 150 175 Slika 2.23. Rezultati analize stabilnosti trenutnog stanja kosine na profilu 2 - 2 Analizama uticaja predviđenih mera za sanaciju kosine izradom nasipa sa gabionskim potpornim zidom na stabilnost kosine pristupnog puta razmatrane su visine nasipa od h = 5, 6, 7, ...
... težina tla ispod dna temelja _ Y,= 18.500 KN/m* = H u Kohezija c= 20.000 kN/mŽ Geometrija temelja š :? B Ugao unutrašnjeg trenja q= 35.000% k] 5 H F |-i 5 terećenje temelja: ld iii Vertikalna komponenta opterećenja V= 0.000kN da Horizontalna komponenta opterećenja H= 0.000 kN (kN/m (kN/m (kN/m") ...Никола Анђелић. Стабилизација косине приступног пута у југоисточном делу површинског копа „Ћерамиде“, 2024
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Hidrogeohemijska valorizacija esencijalnih mikroelemenata mineralnih voda Srbije
Jana S. Stojković (2013-09-25)Mineralne vode još od davnina privlače pažnju ljudi i to kako u pogledu istraživanja iproučavanja, tako i u pogledu njihovog iskorišćavanja. Naročito je važno poznavanjesadržaja mikroelemenata u njima, jer su to komponente njihovog hemijskog sastavakoje ih odvajaju od tzv. „običnih“ malomineralizovanih voda.U ovom radu proučavani su odabrani esencijalni mikroelementi (fluor, bor, litijum,kalijum, stroncijum i silicijum), u mineralnim vodama Srbije, pri čemu je analiziranopreko 130 uzoraka mineralnih voda iz različitih geoloških sredina, to jest hidrogeološkihrejona. Cilj ovog istraživanja bio je ...esencijalni mikroelementi, faktori migracije, zakonomernosti rasprostranjenja, hidrogeohemijski procesi, multivarijantna statistička analiza, mineralne vode Srbije... 7 0 .7 0 7 0 .8 0 4 0 .4 4 7 0 .6 7 4 0 .0 3 5 0 .3 6 0 0 .5 2 7 0 .6 8 9 1 .0 0 0 S r -0 .0 1 5 -0 .4 2 3 0 .5 0 3 0 .1 9 9 0 .4 9 7 0 .6 0 9 0 .3 8 4 0 .5 5 6 0 .0 5 6 0 .1 7 6 0 .2 5 7 0 .4 2 8 0 .5 4 4 1 .0 0 0 Jana S. Stojković Doktorska disertacija ...
... 2 4 -0 .5 5 7 0 .4 2 3 0 .1 6 6 0 .7 4 6 0 .7 8 4 0 .5 1 0 1 .0 0 0 S O 4 0 .0 6 8 0 .0 9 5 -0 .1 1 7 0 .1 5 6 0 .1 4 6 0 .1 4 4 0 .1 5 6 -0 .0 6 5 1 .0 0 0 S i 0 .3 3 3 -0 .1 6 8 0 .0 1 2 -0 .0 9 9 0 .1 7 0 0 .3 0 2 0 .0 2 8 0 .0 7 1 0 .1 5 8 1 .0 ...
... C a -0 .3 5 0 -0 .7 0 6 1 .0 0 0 M g -0 .1 6 1 -0 .3 6 7 0 .3 6 8 1 .0 0 0 N a 0 .0 7 8 -0 .1 7 8 0 .0 5 7 -0 .0 0 7 1 .0 0 0 K 0 .0 1 5 -0 .5 3 6 0 .3 8 1 0 .1 9 7 0 .7 9 3 1 .0 0 0 C l 0 .1 1 6 -0 .1 1 6 0 .0 3 3 0 .0 4 6 0 .7 9 8 0 .5 7 7 1 .0 0 ...Jana S. Stojković. "Hidrogeohemijska valorizacija esencijalnih mikroelemenata mineralnih voda Srbije" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2013-09-25)
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Project BEWARE—Landslide Post-disaster Relief Activities for Local Communities in Serbia
Biljana Abolmasov, Dobrica Damjanović, Miloš Marjanović, Ranka Stanković, Velizar Nikolić, Sandra Nedeljković, Žarko Petrović (2017)... Serbia Project BEWARE—Landslide Post-disaster Relief … 415 landslides were registered during 5 months of field campaigns according to the harmonized landslide event data sheet (Cruden and VanDine 2013) (Fig. 5). As a support to field campaigns Very High Resolution (Pléiades) and High Resolution (SPOT6 ...
... use planning documents of each munic- ipality—SWOT analysis of each municipality for justi- fying landslide hazard, vulnerability and risk analysis 5. Identifying critical sites for landslide rehabilitation 6. Improvement of governmental agencies practice in building/updating national landslide database ...
... software application for tablets and android mobile phones was created for supporting local communities in effective landslide reporting. BEWARE Fig. 5 Harmonized landslide data sheet (in Serbian) 418 B. Abolmasov et al. Fig. 6 Landslides of Krupanj municipality: detail from Pleiades satellite ...Biljana Abolmasov, Dobrica Damjanović, Miloš Marjanović, Ranka Stanković, Velizar Nikolić, Sandra Nedeljković, Žarko Petrović. "Project BEWARE—Landslide Post-disaster Relief Activities for Local Communities in Serbia" in Advancing Culture of Living with Landslides, Proceedings of 4th World Landslide Forum, Ljubljana 29 May-02 June 2017 3, Berlin : Springer Interantional (2017). https://doi.org/10.1007/978-3-319-53487-9_48
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Energetska efikasnost elektromotora na površinskim kopovima
Snežana Aleksandrović, Ilija Jeftenić (2023)Snežana Aleksandrović, Ilija Jeftenić. "Energetska efikasnost elektromotora na površinskim kopovima" in 11. Međunarodna konferencija “Ugalj i kritični materijali" CCM 2023, Zlatibor, 11-14. oktobar 2023. , Beograd : Jugoslovenski komitet za površinsku eksploataciju (2023)
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Допринос одређивању безопасног растојања при извођењу минирања
... IIpomMcaHe Ccy MaKCHMAaJIHE JIO3BOJbEHC Bpe)HOCTH Op3HHe OCHHJOBAaMA TJJa, y 3aBHCHOCTH OJI 3Hauaja H craPba o0jekaTa, 3a (DpeKBeHTHM oubcer om 5 mo 100 Hz. MakcgmainHe J\O3BOJbEHC Op3HHe OCIIHJIOBaMba TJIa IipeMa DIN-4150 nare cy y Ta0enu 1.2. Ta6e:a 1.2. Jlo3BoJbeHe Op3HHe ocriHOBaMba ...
... CTEHCKe Mace 3aXTeBa | „IIpHMMCHy OyuraukO-MHHCPpCKHX pajloBa. MuHcke OyHIOTHHC KOJI CBHX H3BCJUHHX MHHHPaM5a pacnopelbjeHe cy y BHie pe/jloBa (3 — 5) ca Hara6oM OymoruHa o 85 — 90% a TIIpeuHHKOM OJ 89,0 MM. Pacrojabe H3Melby OymroTHHa y pe/ly H3HOCHIO JE 3,5 M , JIOK je pacrojabbe H3Meby pejoBa ...
... 701 | 1,005 | _1,026 | _1,59%| . 38,8102 2. 34,3241 3. 1 32,2057 .J | MM-4 | 463,69 | 2.539,0 | 0O,857 | 2,185 | _2,300 _| _3,286 |__ 33,9891 | 5. 29,4144 ___43,1009 37,8702 35,4358 Ha ocHoBy nojaraka H3 TaGene 3.1, a 3a pemraBabbe jeiHauHHe 3.4 KpeHpaHa je TaOe;ma 3.2. Ta6e:a 3.2. Pejn ...Slobodan Trajković, Sanja Bajić, Ivan Krsmanović. "Допринос одређивању безопасног растојања при извођењу минирања" in ДИТ : Друштво истраживање технологије (2023)
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Модел померања терена услед утицаја рударских радова на основу радарских сателитских снимака
Зоран Гојковић (2023)Површински коп, као систем који обезбеђује енергетску стабилност или снабдевање сировинама које су од изузетне важности за привредни напредак, својим функционисањем утиче на околна насељена места. Међу бројним аспектима овог утицаја, може се издвојити издвојити и анализирати утицај вертикалних и хоризонталних померања која се јављају на површи терена. Мониторинг вертикалних и хоризонталних померања површи терена околних насељених места треба да има што бољу временску резолуцију (временски период између праћења деформација) како би се вертикална и хоризонтална померања контролисала и ...Зоран Гојковић. Модел померања терена услед утицаја рударских радова на основу радарских сателитских снимака, Београд : Универзитет у Београду, Рударко - геолошки факултет, 2023
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An aproach to Implementation of blended learning in a university setting
... blended leaning in undergraduate studies on the example of the most elaborately implemented undergraduate course, Informatics I. In section 5 we describe the somewhat different approach to blended learning at postgraduate studies, on the example of a course named InfoTeh, as well as t ...
... content. The lesson content is basically what students need to prepare for the oral exam. Figure 4: FMG Moodle Course web page Figure 5 shows a part of one such lesson, which has the goal not only to present the content of the classroom lecture, but also to verify if the student has ...
... understood the concepts that have been tackled. The short pair-matching test shown at the end of the lesson serves this purpose. Figure 5: FMG Moodle lesson web page Practical instruction and activity monitoring Course materials for practical instruction are prepared in the form ...Ivan Obradović, Ranka Stanković, Olivera Kitanović, Jelena Prodanović . "An aproach to Implementation of blended learning in a university setting" in Proceedings of the Second International Conference on e-Learning, eLearning 2011, September 2011, Belgrade, Serbia, Belgrade : Belgrade Metropolitan University (2011)
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Parametri zbijanja komunalnog otpada određeni različitim laboratorijskim metodama
Jovana M Janković Pantić, Dragoslav R Rakić, Irena G Basarić Ikodinović, Tina D Đurić, Snežana Bogdanović (2021)Zbijanje komunalnog otpada predstavlja jednu od osnovnih faza korišćenja komunalne deponije. Zbog toga je kao i kod drugih nasutih građevina, veoma korisno odrediti parametre zbijanja: maksimalnu suvu zapreminsku težinu (dmax) i optimalnu vlažnost (wopt). Dobijeni rezultati mogu da posluže prilikom projektovanja kapaciteta deponije kao i prilikom definisanja obradivosti otpada. U dosadašnjoj praksi najčešći način određivanja parametra zbijanja je standardna metoda (Proktorov opit) koja se koristi u mehanici tla, uz eventualnu redukciju energije zbijanja. Međutim, različiti tretmani komunalnog otpada na ...... za dva upotrebljen otpad koji је višc puta zbijan, dok је za jedan korišćen svež otpad. Rezultati opita su prikazani na slici 3. LI 5 = 8 FI а F 3 F š | 5 а 8 : al | 7 | — кнуа лашбена (02:1.65) О s proba 3 • proba4 + proba S(svežotpad) 35 T Т ) о 50 100 - 150 200 Optimalna vlažnost ...
... Dragoslav Rakić, dipl. inž. geol.? Irena Вазатте Ikodinović, dipl. inž. građ.ž Tina Đurić, dipl. inž. geol.š Упегапа Hogdanović, dipl. inž. реоћ 5 PARAMETRI ZHIJANJA KOMUNALNOG OTPADA ODREĐENI RAZLIČITIM LABORATORIJSKIM METODAMA 0352-2733, 52 (2020), p. 16-33 UDK: 628.468 ORIGINALNI NAUČNI ...
... оа паста pripreme uzorka (Hettiarchchi, 2005) рећд – Makiata пг ацооиика _– р : м (%) 3 23 puta korišćen 5.80 70 4 43 puta korišćen 6.10 80 5 Svež otpad 5.25 52 Reddy et al. (2008) su, takođe, izveli standardni Proktorov opit na uzorcima čija je maksimalna veličina čestica 40 mm. Pri optimalnoj ...Jovana M Janković Pantić, Dragoslav R Rakić, Irena G Basarić Ikodinović, Tina D Đurić, Snežana Bogdanović . "Parametri zbijanja komunalnog otpada određeni različitim laboratorijskim metodama" in Građevinski kalendar, Savez građevinskih inženjera Srbije (2021)
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The Importance of Detailed Groundwater Monitoring for Underground Structure in Karst (Case Study: HPP Pirot, Southeastern Serbia)
... when both the tunnel and the hydrogeologic environment were under the influence of the pressure of the transported water (Figure 5). In the full operating mode of the HPP (4–5 h/day), at PP-3 the transport of water relieved the pressure not only in the tunnel but within the hydrogeologic environment as ...
... PP-3 and PP-4, were deep-drilled along the tunnel and the screens installed within the tunnel zone. The HPP has a gravity dam and is usually operated 4–5 h/day. Surface water reservoir is located at an elevation of 612 m, occupies an area of 5.53 km and has a total volume of 170 × 106 m3. č Figure ...
... J1 2+3). However, these changes are also indicative of the hydraulic behavior of the tunnel and the hydrogeologic environment. Water 2019, 11, 603 5 of 10 Δ Figure 3. (a) Comparative plots of groundwater levels in observation wells PP-1 and PP-3, (b) Comparative plots of groundwater levels in ...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