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Упит dcterms_creator_txt:Angelina Z. Caković

564 items

  • Anisotropic grossular–andradite garnets: Evidence of two stage skarn evolution from Rudnik, Central Serbia

    Bojan Kostić, Danica Srećković-Batoćanin, Petyo Filipov, Pavle Tančić, Kristijan Sokol (2021)
    This paper presents LA-ICP-MS data for garnets from the Rudnik skarn deposit (Serbia), which range from Grs45–58Adr40–52Alm2–3 in the core and Adr70–97Grs2–29Sps1 in the rim displaying anisotropy and zoning. In spite of wide compositional variations the garnets near the end-member of andradite (Adr > 90) are generally isotropic. Fe-rich rims exhibit LREE depletion and flat HREE pattern with weak negative Eu anomaly, including higher As and W contents. On the other side, the Fe-poorer core shows flat REE pattern ...
    grandite, garnets, skarn, Rudnik
    ... Yugoslavia 1:100,000. Federal Geological Institute, Belgrade, 1–82 (in Serbian with English and Russian summaries). Brković T., Radovanović Z., Pavlović Z. & Dimitrijević M. 1980: Geological Map of Yugoslavia 1:100,000, Sheet Kragujevac. Federal Geological Institute, Belgrade. Ciobanu L.C. & Cook ...
    ... Geology Reviews 24, 315–370. https://doi.org/10.1016/j. oregeorev.2003.04.002 Cvetković V., Prelević D., Downes H., Jovanović M., Vaselli O. & Péskay Z. 2004: Origin and geodynamic significance of Tertiary postcollisional basaltic magmatism in Serbia (central Balkan Peninsula). Lithos 73, 161–186. ...
    ... mid-ocean ridge segment of the Neotethys? Geologica Carpathica 65, 117–130. https://doi.org/10.2478/ geoca-2014-0008 Cvetković V., Šarić K., Pecskay Z. & Gerdes A. 2016: The Rudnik Mts. Volcano-intrusive complex (central Serbia): An example of how magmatism controls metallogeny. Geologia Croatica 69 ...

  • Trace elements and garnet formation in a distal skarn zone: a case study of the Rudnik deposit, Central Serbia

    Bojan Kostić, Pavle Tančić, Natalija Batoćanin (2024)
    geohemija granata, retke zemlje, fluidne inkluzije, skarnovsko ležište Rudnik

  • Stanje i perspektivnost vodosnabdevanja Obrenovca i naselja opštine posle poplava, 2014. godine

    Bojan Hajdin, Dušan Polomčić, Dragoljub Bajić (2017)
    Obrenovac i okolna naselja su tokom 2014. godine zbog poplava u Srbiji pretpeli veliku materijalnu štetu, a pored brojnih privrednih preduzeća ozbiljno je bio ugrožen i sistem vodosnabdevanja. Izvorište „Vić bare“ za vodosnabdevanje grada u selu Zabrežje, na Savi, u potpunosti je potopljeno, a vodovodna mreža, u pojedinim delovima već veoma stara, dodatno je oštećena. Poslednjih nekoliko decenija kao glavni razlozi za probleme u vodosnabdevanju Obrenovca isticane su nedovoljne rezerve podzemnih voda na izvorištu. Novijim istraživanjima utvrđene su rezerve ...
    ... podze- mnih voda, Beograd, 1997. [3] Stevanović Z, Hajdin B. Elaborat o rezervama podzemnih voda izvorišta „Vić bare“ u Zabrežju za vodosnabdevanje Obrenovca. Fond RGF, Departman za hidrogeologiju, Beograd, 2008. [4] Polomčić D, Hajdin B, Stevanović Z, Bajić D, Hajdin K. Groundwater management by ...
    ... Dokmanović P, Stevanović Z, Hajdin K. State of art of Vić Bare Source for Obrenovac Water Supply. Regional IWA Conference on groundwater management in the Danube river basin and other large river basins, Beograd pp. 217-225, 2007. [6] Hajdin B, Polomčić D, Stevanović Z, Bajić D, Hajdin K. Ocena ...

  • FTIR spectroscopic study оf S-мetolachlor сorption оn inorganic and organically modified montmorillonite from Bogovina

    Lazar Kaluđerović, Zorica Tomić, Jelena Bogosavljević, Ljubomir Životić, Maja Milošević (2021)
    ... conjugation mode due to the distribution of double bonds and lone electron pairs (Liu et al., 2002). š š š F| ž Ž\ š L š a% 3 NaM-SM E |Eg \' 'KN z a N2 _ :1 k a ____NM /V \gp / a MNL J INRA ŠR 10'00 4000 3000 2000 Wavenumber (cm ) Ab so rb an ce Ab so rb an ce T T u 4000 3500 3000 ...
    ... bentonita. Hem. Ind., 62(3), 131—137. DOI: 10.2298/HEMIND0803131J 336 SERBIAN SOCIETY OF SOIL SCIENCE Soils for Furure under Global Challenges Li, Z., Jiang, Hong, H., 2008. An FIIR investigation · of hexadecyltrlmethylammomum intercalation into rectorite. Spectrochim. Acta, Part A, 71, 1525—1534 ...
    ... Clay Miner., 57, 392-403. DOI: 10.1346/CCMN.2009.0570311 Majdan, M., Bujacka, M., Sabah, E., Gladysz-Plaska, A., Pikus, S., Stemik, D., Komosa, Z., Padewski, A., 2009. Unexpected Difference in Phenol Sorption on PTMA - and BTIMA- «· Bentonite. J. Environ. Manage., 91, 195-205. DOI: 10.1016/J ...

  • Review: Methodological approaches and research techniques for addressing construction and remediation problems in karst reservoirs

    Saša Milanović, Ljiljana Vasić (2021)
    Earth and Planetary Sciences (miscellaneous), Water Science and Technology

  • Aлтерације перидотита контролисане карактером флуида на примеру харцбургита Рудника - Серпентинизација или талкизација?

    Стефан Петровић, Наталија Батоћанин (2020)
    У раду су приказани резултати испитивања серпентинисаних харцбургита Брђана (43°58'45.1" СГШ, 20°25'12.6" ИГД) и талкизираних харцбургита откривених у интервалу 429-559.8 m у истражној бушотини 330А/18 (44°07'33.2" СГШ, 20°30'28.5" ИГД) на Руднику. Узорци оба локалитета показују карактеристике резидуалних харцбургита из омотача, односно тектонита; лепидобластичне, бластозрнасте, или порфирокластичне структуре и масивне текстуре. Серпентинисани харцбургити и серпентинити Брђана су изграђени од серпентина, ретких реликата оливина и ортопироксена, акцесорног спинела, и веома ретког секундарног магнезита и магнетита. Најдоминантнији састојак (местимично гради и преко ...
    Рудник, Брђани, харцбургити, серпентинити, талк
    ... UROŠEVIĆ, M., TRIFUNOVIĆ, S., RADOVANOVIĆ, Z., BOŽANIĆ, M. (1970): Osnovna geološka karta 1:100.000, list Čačak K 34-5. Zavod za geološka i geofizička ispitivanja, Beograd BRKOVIĆ, T., MALEŠEVIĆ, M., UROŠEVIĆ, M., TRIFUNOVIĆ, S., RADOVANOVIĆ, Z., PAVLOVIĆ, Z., RAKIĆ, M. (1978): Tumač za list Čačak ...
    ... faculty publications available in open access, as well as the employees' publications. - The Repository is available at: www.dr.rgf.bg.ac.rs 15 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 ...
    ... Geological Survey professional paper, 384-A, pp. 99. United States Government Printing office, Washington. FILIPOVIć, I., MARKOVIĆ, B., PAVLOVIĆ, Z., RODIN, V., MARKOVIĆ, O. (1978): Osnovna geološka karta SFRJ 1:100000. Tumač za list Gornji Milanovac L34-137. Savezni geološki zavod, Beograd. ...

  • Determining the Groundwater Balance and Radius of Influence Using Hydrodynamic Modeling: the Case Study of the Groundwater Source “Šumice” (Kikinda, Serbia)

    Dušan Polomčić, Dragoljub Bajić, Jelena Zarić (2015)
    A groundwater flow model was developed to simulate groundwater extraction from the public water supply source of the City of Kikinda. The hydrodynamic model includes the municipal groundwater source of Kikinda (Šumice and the Jezero Well), but also an extended area where there are groundwater sources that provide water supply to three factories: (MSK, TM and LŽT - Kikinda). Hydrodynamic modeling, based on the numerical method of finite differences will show the groundwater balance of the sources in the ...
    Water supply, Aquifer, Flow, Groundwater regime, Numerical modeling, Particle tracking
    ... , Stevanović, Z., Bajić, D., Hajdin, K, Groundwater Management by Riverbank Filtration and an Infiltration Channel: The Case of Obrenovac, Serbia, Hydrogeology Journal, Vol. 21, No. 7, pp1519-1530, 2013, http://dx.doi.org/10.1007/s10040-013-1025-9 5. Stauder, S., Stevanović, Z., Richter, C. et ...
    ... Development of the Republic of Serbia for financing projects OI-176022, TR-33039 and III-43004. REFERENCES 1. Hajdin, B., Polomčić, D., Stevanović, Z., Bajić, D. and Hajdin, K., Asseings Prospect of Groundwater Source „Vić Bare“ for Obrenovac’s Water Supply, Proceedings of the XIV Serbian Symposium ...
    ... Management, Vol. 26, No. 2, pp 581-594, 2012, http://dx.doi.org/10.1007/s11269-011-9932-9 6. Polomčić, D., Đekić, M., Milosavljević, S., Popović, Z., Milaković, M., Ristić Vakanjac, V., Krunić, O., Sustainable use of Groundwater Resources in Terms of increasing the Capacity of Two Interconnected ...

  • Extensive vibrations of the belt conveyer drive electromotor of a bucket wheel excavator as a result of intesified wear-and-tear of its mount support

    Vesna Damnjanović, Predrag Jovančić, Snežana Aleksandrović (2017)

  • Refinement of waste phosphogypsum from Prahovo, Serbia: characterization and assessment of application in civil engineering

    Josip Išek, Lazar Kaluđerović, Nikola Vuković, Maja Milošević, Ivana Vukašinović, Zorica Tomić (2020)
    γ-spectrometry, brushite, chukhrovite, phosphogypsum, radionuclides, recrystallization
    ... the acid leaching of rare earth elements from phosphogypsum using HCI, HNOy,, and H,SSO,. Hydrometallurgy, 166, 195–204. Zhou J., Sheng Z., Li T., Shu Z., Chen Y. & Wang Y. (2016) Preparation of har- dened tiles from waste phosphogypsum by a new intermittent pressing hydration. Ceramics Int ...
    ... ) SEM analysis The SEM analysis revealed a significant increase in the gypsum crystal size after the recrystallization (Fig. 5). Moreover, the z/x axis ratio increased from 1—3 to >5 for raw and recrystallized samples, respectively, producing long-bladed crystals. Stable laboratory conditions ...
    ... Education, Science and Technological Development of the Republic of Serbia through Project No. 176010 and Project No. 43007. References Amjad Z. (1988) Calcium sulfate dihydrate (gypsum) scale formation on heat exchanger surfaces: the influence of scale inhibitors. Journal of Colloid and Interface ...

  • A new polymorph of Ba(AsO3OH): Synthesis, crystal structure and vibrational spectra

    Tamara Đorđević, Ljiljana Karanović (2010)
    A new monoclinic polymorph of Ba(AsO3OH) was synthesized under hydrothermal conditions. It represents a previously unknown structure type. Its crystal structure was determined from a racemic twin using single-crystal X-ray diffraction data collected at 120 and 293 K [space group P21, a=7.2149(14)/7.2370(2), b=7.7028(15)/7.7133(2), c=21.7385(43)/21.8079(5) Å, β=95.95(3)/96.073(1)1, V=1201.6(4)/1210.51(5) Å3, Z=12]. The crystal structure of P21-Ba(AsO3OH) has a layered character and is built up of four types of regularly alternating layers parallel to (0 0 1). Every AsO3OH tetrahedron is chelating to two Ba atoms and ...
    Ba(AsO3OH), хидротермална синтеза, структурна анализа монокристала, Раманска спектроскопија, инфрацрвена спектроскопија, водоничне везе, хидрогенарсенати земноалкалних метала

  • Influence of DEM resolution on numerical modelling of debris flows in RAMMS - Selanac case study

    Jelka Krušić, Biljana Abolmasov, Mileva Samardžić Petrović (2019)
    Debris flows induced by intensive rainfall represent very hazardous phenomena in many parts of the World. Methods for prediction of runout distance of flow like mass movements are different and depending on the input data, rheology, and available or appropriate numerical solution. However, sometimes it is not easy to obtain pre event and post event high-resolution data in the rural or mountainous area. Thus, the topology of terrain is the most important input parameter for the every real case ...
    tecišta, modeliranje, RAMMS, DEM
    ... for a more quickly moving flow (Bartelt et al., 2013). Figure 1 The topography Z(X, Y) is given in the Cartesian framework, X and Y being the horizontal coordinates. The surface induces a local coordinate system x, y, z (Christen et al., 2010a) . It is discretized such that its projection onto ...
    ... 𝑒𝑚 = 𝑑𝑧𝑑𝜏 (𝜏 − 𝜏𝑐) 𝑓𝑜𝑟 𝜏 ≥ 𝜏𝑐 (6) The potential erosion depth (per kPa) dz/dt controls the rate of vertical erosion (in the z-direction) as a linear function of channel-bed shear stress. Even the estimated erosion is very high in some parts (in average 12m), here will be ...

  • Energetska efikasnost elektromotora na površinskim kopovima

    Snežana Aleksandrović, Ilija Jeftenić (2023)

  • Against the tide: southeast to northwest shelf-edge progradation in the southeastern margin of Lake Pannon, Banat (Serbia and Romania)

    Dejan Radivojević, Miloš Radonjić, Lajos Tamás Katona, Imre Magyar (2022)
    In the late Neogene, the Pannonian Basin in Central Europe was filled with sediments when rivers from the Alps and Carpathians shed their sediment load into Lake Pannon. The most powerful source-to-sink system was that of the paleo-Danube, transporting sediments from the NW as far as the southeastern part of the lake. In the southeastern margin of the basin, however, local sedimentary systems worked in the opposite direction, against the “tide” of the prevailing N to S sediment transport. ...
    General Earth and Planetary Sciences

  • New data on the age of an Upper Cretaceous clastic-carbonate succession in Brežđe (Western Serbia)

    Nevenka Đerić, Nataša Gerzina (2014)
    Gornja kreda, radiolarije, Jadar blok, zapadni pojas Vardarske zone, zapadna Srbija
    ... overlain | by large ultramafic massifs. The southwestern belt is known > as the Dinaridic Ophiolite Belt (PAMIC et al., 2002; KARA- ///Z·).. | MATA, 2006), the Central Dinaridic Ophiolite Belt (LUGO- Na aA VIĆ et al., 1991) or the Ophiolite Belt (DIMITRIJEVIĆ, 1997). The ophiolite belt ...
    ... opinion that these ophiolitic belts repre- External Dinarides (undifferenciated) · | sent remnants of two different occanic realms separated by Sava Z the Drina-Iva:njica continental block (DIMITRIJEVIĆ & DI- ava Žona } Neotethys suture MITRIJEVIĆ, 1973; ROBERTSON & KARAMATA, 1994; [0 Obducted Eastern ...
    ... distribution of Ra- diolaria in Campanian (Late Cretaceous) tropical and subtropical oceans.- Micropaleontology, 30/1, 87—115. FILIPOVIĆ, L, PAVLOVIĆ, Z., MARKOVIĆ B.. RODIN, V., MAR- KOVIĆ, O., GAGIĆ, N., ANTIN, B. & MILIĆEVIĆ, M. (1977): Osnovna geološka karta SFRJ – list Gornji Milanovac 1:100000 ...

  • A Model for Determining the Dependability of Continuous Subsystems in Coal Mines Using the Fuzzy Logic Approach

    Nikola Stanić, Miljan Gomilanović, Petar Marković, Daniel Krzanović, Aleksandar Doderović, Saša Stepanović (2024)
    This study presents a unique model for assessing the dependability of continuous parts of combined systems in open-pit mining through the application of fuzzy logic. Continuous sub-systems as part of the combined system of coal exploitation in surface mines have the basic function of ensuring safe operation, high capacity with high reliability, and low costs. These subsystems are usually part of the thermal power plant’s coal supply system and ensure stable fuel supply. The model integrates various independent partial ...
    fuzzy logic, max-min composition, continuous part of combined system (CCS), open pit, mining, dependability

  • Prognoza operativne efikasnosti aktivnog podzemnog rudnika zasnovana na teoriji sivih sistema

    Svetlana M. Štrbac-Savić (2016-06-10)
    Efikasnost predstavlja preduslov za opstanak svake rudarske kompanije, posebno u uslovima izuzetno konkurentnog trţišnog okruţenja kao što je to rudarska industrija. Efikasnost oznaĉava sposobnost kompanije da ispuni svoje kratkoroĉne ili dugoroĉne ciljeve. Operativna efikasnost se definiše kao odnos izmeĊu ulaznih parametara potrebnih za odvijanje proizvodnje i pokazatelja dobijenih proizvodnjom. U kontekstu rudarskog poslovanja, operativna efikasnost se odnosi na vreme potrebno da se mineralno dobro transformiše u novĉana sredstva. Visoka operativna efikasnost se postiţe kada se ostvari prava kombinacija karakteristika ...
    podzemni rudnik, operativna efikasnost, prognoza, teorija sivih sistema, stohastiĉke diferencijalne jednaĉine, simulacija
    ... diferencijalne jednaĉine, tada je                1 1 1 11 , 2 , , ,Z k z z z k    sekvenca generisanih srednjih vrednosti susednih vrednosti sekvence X(1) tj.             1 1 11 1 , 2 z k x k x k   za 1, 2,..., .k n (3.6) 36 U Teoriji sivih sistema ...
    ...               0 1 1 1 1 1 2 0 1 1 1 21 1 2 0 1 1 1 1 1 2 ... ... 2 2 2 3 . 2 3 . 3 . 3 m m m m a n x z x x bx z x x bx n z nxnx                                     (3.21) Elementi vektora 2[ , ,...,ˆ ]T ma ...
    ...                  0 1 1 1 1 1 2 0 1 1 1 1 1 2 0 1 1 1 1 1 2 ... ... 3 2 2 2 2 3 3 3 , ... m m m Y B n n x z x x x z x x x n z x x n                               (3.23) Na kraju, MGM(1, m) moţe biti definisan na sledeći naĉin: ...

  • Integrated Stratigraphy of the Middle–Upper Jurassic of the Krížna Nappe, Tatra Mountains

    Renata Jach, Nevenka Đerić, Špela Goričan, Daniela Reháková (2014)
    carbon and oxygen isotopes, radiolarians, calcareous dinoflagellates, radiolarites, Krížna Nappe, West ern Carpathians, Tethys
    ... M· - ' ' || | đ • snjeonjiq |5| G. > š | | s e H z H |a| •. ” • |__umeuugui ||5 . __ -| -| d Li Z š [%] *"O„ 9 ž P|Ž||, * , |_____aiusjd | 15 roše. 2O F O.||Z o - Š r 5 [%] "O.,9 & > |j ' ' ı [7 [7 S W Š R Č : — ...
    ... with sca-levci fall, positive ones Wwith sea-level rise, whereas long-term declines in 85C 2 R.JACH ETAL. [Z crystalline basement [__] Križna Nappe []] High-Tatric Autochthon [Z-] Choč Nappe [-] High-Tatric Allochthon . [__] Palaeogene sedimentary () secton studied Fig. 1. — main overthrusts ...
    ... x x STRATIGRAPHY OF THE MIDDLE-UPPER JURASSIC OF THE KRIŽNA NAPPE 15 Table 2 continued Section Dluga Valley Lejowa Valley ZKK Upl;z,i:;?ka lišžaillil(; Z\:/i?·;;:(a Species Sa?le %Šr %šr ZDŠŠ LS58 |LI40| Lbi |L183|Lb38|Lc39 |Pk35 | Gd7 |Gd21 1F4p3 ZFŠŽ, P286 |P583 JUAZO95| Spongocapsula ...

  • Model predviđanja potresa od miniranja na površinskim kopovima primenom simulacione metode Monte Karlo i fazi logike

    Milanka N. Negovanović (2015-06-30)
    Modeliranje predviđanja potresa tla od miniranja primenom fazi logike i metode MonteKarlo zasnovano je na podacima dobijenim terenskim merenjima potresa uzrokovanihminiranjem. Promenljive modela definisane su analizom parametara bušenja i miniranjaminskih serija, kao i velosigrama izmerenih potresa od miniranja. Iskorišćene suprednosti fazi logike u implementaciji mnogo većeg broja ulaznih i izlaznih veličina zamodeliranje u odnosu na postojeće empirijske modele. Na osnovu identičnih podataka,dobijen je regresioni model predviđanja potresa, da bi se izvršilo testiranje novogmodela. U cilju povećanja pouzdanosti modela predviđanja, ...
    model, predviđanje potresa, miniranje, površinski kop, Monte Karlo, fazilogika, regresiona analiza, FFT analiza, spektri odziva, pomeraj pukotina
    ... A z A BOA z dzzdzz )()( (5-3) Univerzitet u Beogradu, Rudarsko - geološki fakultet Milanka Negovanović, doktorska disertacija 190 gde je α = min{z|zZ} i β = max{z|zZ}. To je vertikalna linija z=zBOA koja deli prostor između z = α, z = β ...
    ... maksimiziranja z na kojoj funkcija pripadnosti ima maksimum μ*. U simbolima: dz dzz z Z Z MOM ' ' (5-4) gde je Z' = {z| )(zA = μ*}. Ako )(zA ima jedan maksimum u z = z*, onda zMOM= z*. Ako ...
    ... Beogradu, Rudarsko - geološki fakultet Milanka Negovanović, doktorska disertacija 189 2 A A B C C C C C X X Y Y Z Z Z 1 1 1 1 x y B µµ µ µ µ µ µ Max z COA min 2 2 ' ' ' 2 Slika 5-12. Mamdani fazi sistem zaključivanja primenom min i max za T-normu i T-konormu operatore ...

  • Model predviđanja potresa od miniranja na površinskim kopovima primenom simulacione metode Monte Karlo i fazi logike

    Milanka N. Negovanović (2015-06-30)
    Modeliranje predviđanja potresa tla od miniranja primenom fazi logike i metode MonteKarlo zasnovano je na podacima dobijenim terenskim merenjima potresa uzrokovanihminiranjem. Promenljive modela definisane su analizom parametara bušenja i miniranjaminskih serija, kao i velosigrama izmerenih potresa od miniranja. Iskorišćene suprednosti fazi logike u implementaciji mnogo većeg broja ulaznih i izlaznih veličina zamodeliranje u odnosu na postojeće empirijske modele. Na osnovu identičnih podataka,dobijen je regresioni model predviđanja potresa, da bi se izvršilo testiranje novogmodela. U cilju povećanja pouzdanosti modela predviđanja, ...
    model, predviđanje potresa, miniranje, površinski kop, Monte Karlo, fazilogika, regresiona analiza, FFT analiza, spektri odziva, pomeraj pukotina
    ... A z A BOA z dzzdzz )()( (5-3) Univerzitet u Beogradu, Rudarsko - geološki fakultet Milanka Negovanović, doktorska disertacija 190 gde je α = min{z|zZ} i β = max{z|zZ}. To je vertikalna linija z=zBOA koja deli prostor između z = α, z = β ...
    ... maksimiziranja z na kojoj funkcija pripadnosti ima maksimum μ*. U simbolima: dz dzz z Z Z MOM ' ' (5-4) gde je Z' = {z| )(zA = μ*}. Ako )(zA ima jedan maksimum u z = z*, onda zMOM= z*. Ako ...
    ... Beogradu, Rudarsko - geološki fakultet Milanka Negovanović, doktorska disertacija 189 2 A A B C C C C C X X Y Y Z Z Z 1 1 1 1 x y B µµ µ µ µ µ µ Max z COA min 2 2 ' ' ' 2 Slika 5-12. Mamdani fazi sistem zaključivanja primenom min i max za T-normu i T-konormu operatore ...

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