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Упит dcterms_creator_txt:Goran H. Marinković

735 items

  • Modeliranje tehnoloških procesa u rudarstvu u uslovima nedovoljnosti podataka primenom teorije grubih skupova

    Zoran M. Štirbanović (2015-07-01)
    Rudarstvo, a u okviru njega i priprema mineralnih sirovina, se odlikuje složenošću tehnoloških procesa što je posledica velikog broja uticajnih parametara. Samim tim je potrebno biti veoma obazriv prilikom donošenja odluka u oblasti rudarstva. U cilju što efikasnijeg funkcionisanja procesa, moguće je primeniti različite metode koje služe za pojednostavljenje procesa odlučivanja. Jedna od takvih metoda jeste i teorija grubih skupova. Ona predstavlja relativno novu matematičku teoriju koja je pogodna za razumevanje nepreciznih i nepotpunih podataka kao i za otkrivanje ...
    rudarstvo, priprema mineralnih sirovina, teorija grubih skupova, višekriterijumsko odlučivanje, flotacijsko jalovište, flotacijski kolektor, flotaciona mašina
    ... Systems 23, 2010, pp. 586–597. 18. J.-Y. Shyng, H.-M. Shieh, G.-H. Tzeng, S.-H. Hsieh, Using FSBT technique with Rough Set Theory for personal investment portfolio analysis, European Journal of Operational Research 201, 2010, pp. 601–607. 19. L. Shen, H. T. Loh, Applying rough sets to market timing ...
    ... publikovanih radova koji se bave ovom problematikom je mali. Najznačajniji doprinos primene grubih skupova u oblasti građevinarstva dao je prof. dr Goran Ćirović sa svojim saradnicima kroz knjigu Grubi skupovi – Primena u građevinarstvu, kao i kroz niz objavljenih radova u časopisima i na naučno-stručnim ...
    ... ed Systems 33, 2012, pp. 166–172. 16. C.-H. Cheng, T.-L. Chen, L.-Y. Wei, A hybrid model based on rough sets theory and genetic algorithms for stock price forecasting, Information Sciences 180, 2010, pp. 1610– 1629. 17. J.-Y. Shyng, H.-M. Shieh, G.-H. Tzeng, An integration method combining Rough ...

  • Geotechnical Conditions for Construction of Savski Trg Metro Station as a Part of the Belgrade Metro Line One

    Nemanja Stanic, Dragoslav Rakic, Josip Isek, Slavoljub Simic (2024)
    In order to solve serious traffic congestion in Belgrade, a number of studies regarding the Belgrade Metro construction have been carried out since 1973. However, only in 2019, the routes of the future metro lines 1 and 2 were de-fined as a part of the General Metro Construction Project. The lines are de-signed to intersect at the location of Sava Square, where an interchange met-ro station will be built. It represents a complex geotechnical structure consist-ing of three different ...
    metro station, geotechnical modelling, displacements

  • Long-term planning methodology for improving wood biomass utilization

    Vladimir Vukašinović, Dušan Gordić, Marija Živković, Davor Koncalović, Dubravka Živković (2019)
    The insufficiently developed forest management system is often followed by undeveloped forest resources supply chain and insufficient institutional support. These cause inefficient usage of fuel-wood as well as huge amounts of unused forest residues. In order to achieve optimal and long-term sustainable utilisation of biomass, an original methodology based on the interaction of mathematical optimization and backcasting approach has been developed. Mathematical optimization is used for both generation and consideration of techno-economic parameters of the forest biomass supply chain. ...
    Long-term planning methodology, Forest biomass, MINLP, Backcasting

  • Prostorni položaj ofiolita istočne Vardarske zone: geofizičko-geološki model i njegove geodinamičke implikacije

    Dragana D. Petrović (2015-12-29)
    Centralni deo Balkanskog poluostrva je geotektonski veoma složen. Tetis je zatvorentokom gornjeg mezozoika, a ofioliti na zapadu i ofioliti Vardarske zone predstavljajuostatke nekadašnjih okeanskih prostora. Najistočniji deo Vardarske zone razlikuje se odsvih ostalih ofiolita na Balkanskom poluostrvu i karakteriše se najizraženijim suprasubdukcijskimafinitetom. Istočna vardarska zona locirana je u centralom delu Srbije.Na severu se prostire do Apusena u Rumuniji, a na jugu obuhvata cetralni deoMakedonije i Peonias zonu u severnoj Grčkoj. Istočna vardarska zona se nalazi istočnood geotektonske jedinice Kopaonik ...
    Istočna vardarska zona; ofioliti; 2D i pseudo 3D geofizičko-geološkimodel; geodinamička evolucija
    ... gradijenta na određenoj visini računa se prema formuli: kk n 0i zz )A(rHh)y,(x,H    gde je Ak - koeficijent, sračunat za određene vrednosti poluprečnika radijusa - rk i odgovarajuće vrednosti visina - h; Hz(rk) vrednost vertikalne komponente polja na određenim krugovima radijusa rk. ...
    ... 5-48 Brown, S. A. M. and Robertson, A. H. F., 1994. New structural evidence from theMesozoic–Early Tertiary Paikon Unit, Northern Greece. Bulletin of the Geological Society of Greece, XXX (1), 159–170. 103 Brown, S. A. M. and Robertson, A. H. F., 2003. Sedimentary geology as a key to ...
    ... Prelević, D., Downes, H., Jovanović, M., Vaselli, O., Pécskay, Z., 2004. Origin and geodynamic significance of Tertiary postcollisional basaltic magmatism in Serbia (Central Balkan Penninsula), Lithos 73, 161-186, doi: 10.1016/j.lithos.2003.12.004. Cvetković, V., Downes, H., Prelević, D., Lazarov ...

  • Ionothermal synthesis and crystal structure of a new organic–inorganic hybrid compound:catena-poly[bis(1-ethyl-3-methylimidazolium) [hepta-μ-bromido-pentacuprate(I)]]

    Ljiljana Karanović, Dejan Poleti, Tamara Đorđević (2014)
    A new organic-inorganic hybrid compound, catena-poly[bis(1-ethyl-3-methylimidazolium) [μ5-bromido-tri-μ3-bromido-tri-μ2-bromido-pentacuprate(I)]], {(C6H11N2)2[Cu5Br7]}n, has been obtained under ionothermal conditions from a reaction mixture containing Ba(OH)2•8H O, Cu(OH)2•2H2O, As2O5 , 1-ethyl-3-methylimidazolium bromide and distilled water. The crystal structure consists of complex [Cu5Br7]2- anions arranged in sinusoidal {[Cu5Br7]2-}n chains running along the a axis, which are surrounded by 1-ethyl-3-methylimidazolium cations. Three of the five unique Br atoms and one of the three Cu(I) atoms occupy special positions with half-occupancy (a mirror plane perpendicular to the b ...
    кристална структура, органско-неорганско хибридно једињење, бакар(I) бромид, јонотермна синтеза, 1-етил-3-метилимидазолијум бромид, Cu•••Cu интеракције

  • Extreme Rainfall Event and Its Aftermath Analysis—IPL 210 Project Progress Report

    Biljana Abolmasov, Mileva Samardžić Petrović, Ranka Stanković, Miloš Marjanović, Jelka Krušić, Uroš Đurić (2021)
    Landslides, Extreme precipitation, Data analysis, IPL project report

  • 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
    ... 100nm. Geologia Croatica 67/3 r č| F3 |E -i | s s|s = LNKOS s|s žš|a& Hi F| t [} = s lo ME 5 fj FH s Fj s|m El 5 F| s [5] r3 - |H s E 20 s & Š s s < šŠ Age Description Sample E 9 8 7 6 BR 1/4 5 |- BR 1/3 41s |- s e 30 j BR 1/2 2– 1- 0 j BR 1/1 ...
    ... Sediments in the Stru- ganik Section (Western Serbia).- Stratigraphy and Geological Cor- relation, 22/2, 202—218. CSONTOS, L., GERZINA, N., HRVATOVIĆ, H., SCHMID, S. & TO- MLJENOVIĆ, B. (2003): Structure ofthe Dinarides: a working mod- el.– Ann. Univ. Sci. Budapest., Sect. Geol., 35, 143—144. DIMITRIJEVIĆ ...
    ... tectonic setting of the Upper Antalya Nappes.- Cretaceous Rescarch, 30, 952—060. LUŽAR-OBERITER, B., DUNKL, ., MIKES, T., BABIĆ, LJ. & VON EYNATTEN, H. (2012): Provenance of Cretaceous synorogenic sc- diments from the NW Dinarides (Croatia).– Swiss J Geosci., 105/3, 377—399. PAMIĆ, J. (1998): North ...

  • Control of substructure construction of railways in the Republic of Serbia

    Dragan Lukić, Dragoslav Rakić, Irena Basarić Ikodinović (2022)
    Контрола збијености природног тла (у ископу) или збијеног у насипу при изградњи саобраћајница представља један од основних облика контроле квалитета доњег строја. Код изградње брзих саобраћајница (аутопутеви и брза железница) приоритет је постизање високог нивоа контроле извршених радова. У циљу онемогућавања диференцијалног слегања (при изградњи насипа), или промене запремине услед допунског збијања материјала, које неминовно доводе до деформација, потребно је извршити оптимално збијање материјала. У оквиру овог рада приказује се техничка регулатива која регулише контролу збијености при изградњи железничке ...
    доњи строј, техничка регулатива, насип, збијеност, контрола
    ... U>15 40 0,95 45 GU,GP,GW, GF,SP,SW all other soil types 30 25 M a i n t e E x i s t i V >160 km/h 0,97 80 U>15 40 0,95 45 GU,GP,GW, GF,SP,SW all other soil types 30 25 n a n c e n g km/h 0,95 50 U>15 35 0,93 20 GU,GP,GW, GF,SP,SW all other soil types 25 20 *in the Instruction Dpr According ...
    ... calculations. *in the Regulations Sd Table 3.Minimum values of deformability modulus and degree of compaction for embankment [2:37-38] a) Embankment height H > 2,00 m Railway planum level EV2 = 120 MN/m2 Protective layer EV2 = 80 MN/m2 Transition layer EV2 = 60 - 45** MN/m2 Below the transition layer to ...
    ... negative consequences, some of which are listed. This should be especially kept in mind when building high-speed railways (with speeds higher than 200 km/h) because here the consequences can be much greater. In order to speed up the testing process, the authors of this paper propose the following methodology: ...

  • Development of the Availability Concept by Using Fuzzy Theory with AHP Correction, a Case Study: Bulldozers in the Open-Pit Lignite Mine

    Stevan Đenadić, Dragan Ignjatović, Miloš Tanasijević, Uglješa Bugarić, Ivan Janković, Tomislav Šubaranović (2019)
    Availability is one of the most used terms in maintainability engineering. This concept is used to denote: The quality of service of an engineering system, i.e., machines, weak points’ analysis, asset management, as well as making decisions in the process of life cycle management. Availability is an overall indicator and contains partial indicators that are oriented towards reliability, maintenance, and logistical support. Availability presents a variable value and changes in time and space. Usually, availability is shown as the ...
    raspoloživost, fazi teorija, AHP višekriterijumska analiza, eksperska ocena, buldozer
    ... presented at the end. Energies 2019, 12, 4044 10 of 18 Table 3. Availability of analyzed machines. Years of Operation B1 B2 B3 t1, h t2, h A(t) t1, h t2, h A(t) t1, h t2, h A(t) N 1 519 20 0.96 0.96 934 25 0.97 0.97 753 37 0.95 0.94 2 1893 92 0.95 3004 128 0.96 3741 290 0.93 O 3 3372 334 0.91 0 ...
    ... Ristovic, I. Multi-Criteria Approach for Selecting Optimal Dozer Type in Open-Cast Coal Mining. Energies 2019, 12, 2245. [CrossRef] 23. Karimnia, H.; Bagloo, H. Optimum mining method selection using fuzzy analytical hierarchy process-Qapiliq salt mine, Iran. Int. J. Min. Sci. Technol. 2015, 25, 225–230 ...
    ... Conlon, J.C.; Lilius, W.A.; Tubbesing, F.H., Jr. Test and Evaluation of System Reliability, Availability and Maintainability, A Primer; No. DOD-3235.1-H; Department of Defense: Washington, DC, USA, 1982. 5. International Electrotechnical Commission. INTERNATIONAL STANDARD IEC—Dependability Management ...

  • The lost freshwater goby fish fauna (Teleostei, Gobiidae) from the early Miocene of Klinci (Serbia)

    Katarina Bradić-Milinović, Harald Ahnelt, Ljupko Rundić, Werner Schwarzhans (2019)
    Freshwater gobies played an important role in the Miocene paleolakes of central and southeastern Europe. Much data have been gathered from isolated otoliths, but articulated skeletons are relatively rare. Here, we review a rich assemblage of articulated gobies with abundant otoliths in situ from the late early Miocene lake deposits of Klinci in the Valjevo freshwater lake of the Valjevo-Mionica Basin of Serbia. The fauna was originally described by Anđelković in 1978, who noted many different fishes, including one ...
    Gobiidae, Klincigobius, Rhamphogobius, Toxopyge, Otoliti in situ, Srpski jezerski sistem

  • Some models for determination of parameters of the soil oscillation law during blasting operations

    Suzana Lutovac, Dragan Medenica, Branko Gluščević, Rade Tokalić, Čedomir Beljić (2018)
    ...   Figure 2. Graphic view of the polygonal line, N-1 of the trapezoid and curve v = K ¨ R´n. If: Ri`1 ´ Ri “ h “ RN ´ R1 N ´ 1 (19) then, for ST, the following value is obtained: ST “ h 2 rv1 ` 2 pv2 ` v3 ` . . . ` vN´1q ` vNs (20) If points Ri are not equally spaced, namely if: Ri`1 ´ Ri “ hi ...
    ... RR RR £R R Figure 2. Graphic view of the polygonal line, N-1 of the trapezoid and curve v = K- R™". If: Ry —R Rigi -Ri =h= a (19) then, for S7, the following value is obtained: h Srp = = [01 +2(v2 +03 +...+U0N-1) + UN] (20) 2 If points R; are not equally spaced, namely if: Rig1 -R; =; (i =1,2,.. ...
    ... ‚ Model 2 v2 “ 59.7588 ¨ R´1.5419 (29) ‚ Model 3 By using experimental data given in Table 1, where: R1 = 10.7722; RN = R10 = 30.1621; Ri+1 ´ Ri = h = 2.1544, according to the Equation (20) we obtain: ST = 12.9953 In this case for n = 1.5, according to Equation (25) we obtained the equation of the ...

  • Structural dissymmetrization of optically anisotropic Grs64±1Adr36±1Sps2 grandite from Meka Presedla (Kopaonik Mt., Serbia)

    Pavle Tančić, Aleksandar Kremenović, Predrag Vulić (2019)
    In this paper, grandite core with Grs64±1Adr36±1Sps2composition was crystallographically studied. This core represents zone A of the macroscopically visiblefive A–E zones of the optically anisotropic Grs58–64 Adr36–42Sps2 grandite. The applied procedure includes the detailed analysis of the powder diffraction patterns, and the Rietveld refinements of the crystal structures in a series of 18 space groups and two mixtures, which were followed by the comparative analysis of the R-values, site occupancy factors, and the bond lengths and angles. Synthesis of all ...
    grandite, XRPD, crystal structure, structural dissymmetrization

  • Torrential floods and town and country planning in Serbia

    Ristić Ratko, Kostadinov Stanimir, Abolmasov Biljana, Dragićević Slavoljub, Trivan Goran, Radić Branko, Trifunović Milan, Radosavljević Zoran (2012)

  • Mineralogical study of clays from Dobrodo, Serbia, for use in ceramics

    Maja Milošević, Predrag Dabić, Sabina Kovač, Lazar Kaluđerović, Mihovil Logar (2019)
    keramika, glina, Dobrodo, mineralogija, sirovina, Srbija

  • Definition of groundwater genesis and circulation conditions of the complex hydrogeological karst system Mlava–Belosavac–Belosavac-2 (eastern Serbia)

    Ljiljana Vasić, Saša Milanović, Zoran Stevanović, Laszlo Palcsu (2020)
    Geochemistry and Petrology

  • Underground loading-haulage equipment selection with application of topsis method with different weighting methods of criteria

    Vladimir Krivošić, Luka Crnogorac, Rade Tokalić (2024)
    The choice of adequate mining machines is one of the most complex problems in the underground exploitation of mineral raw materials. The weight of such a decision is reflected in the high prices of these machines and the occurrence of even greater costs during their use if their choice was wrongly conceived. There are numerous examples from practice in which such decisions were made solely on the basis of comparing the prices of machines, without considering any of the ...
    utovarno-transportna mehanizacija, izbor, TOPSIS, entropija, standardna devijacija, težina kriterijuma

  • Numerical modeling of Selanac debris flow propagation using SPH code

    Jelka Krušić, Biljana Abolmasov, Miloš Marjanović, Manuel Pastor, Saeid M. Tayyebi (2021)
    The Selanac debris flow is a very huge event triggered after extreme rainfall caused by Cyclone Tamara activity in the Republic of Serbia in May 2014. The Selanac case study was already modelling in different programs using Voellmy rheology assumptions like RAMMS software. In this paper research are focusing particularly on the process of debris flowing from initiation zone to main deposition area using Geoflow SPH two-phase model considering frictional rheology law. Main rheological parameters are back-calculated using also ...
    debris flow, modelling, SPH code, DEM
    ... n of erosion rate, i.e. time derivative of the ground surface elevation, which is supposed equal the product of velocity (v), propagation height (h) and “landslide grow rate” (Er). The latter is independent to the flow velocity and is related by Hungr (1995) to the initial and final landslide volume ...
    ... (5) The erosion rate can be modelled as proportional to the product of velocity (v) and propagation height (h). 4 RESULTS DTM of 5x5m resolution is used as main topo file, with 133 452 points. Definition of the source area was made by comparing DTMs of different ...
    ... “Interplay of Rheology and Entrainment in Debris Avalanches: A Numerical Study.” Canadian Geotechnical Journal 51 (11): 1318–1330. Huang, Y., Cheng, H., Dai, Z. et al. (2015). ‘’SPH- based numerical simulation of catastrophic debris flows after the 2008 Wenchuan earthquake’’. Bull Eng Geol Environ ...

  • Sastav i teksture minerala FeO-Fe2O3-TiO2 sistema u vulkanskim stenama i porfirskim ležištima bakra Borske metalogenetske zone

    Aleksandar Luković (2021)
    Proces obrazovanja minerala iz sistema FeO-Fe2O3-TiO2 u uzorcima vulkanskih stena i porfirskih orudnjenja borske zone prikazan kroz pojavu magnetita/hematita i njihovih alteracija. Minerali ove zone su ispitivani optičkim metodama (odbijena i propuštena svetlost), SEM-EDS/BSD, XRPD, LA-ICP-MS metodama. Rezultati ispitivanja su, pored glavnih Fe – Ti oksida, otkrili prisustvo ferijskog ilmenita u hornblenda andezitima I vulkanske faze kao i magnetita sa većim koncetracija Cr u zoni zlotske magnetne anomalije. Ispitivanje uzoraka iz bušotina porfirskih sistema borske zone otkriva postojanje nekoliko ...
    magnetit, hematit, hemoilmenit, Borska metalogenetska zona, porfirska ležišta
    ... Lindsley, D. H., (1962): Investigations in the system FeO-Fe2O3-TiO2. Yb. Carnegie Instn. Wash. 61, 100-6. Lindsley, D. H., (1965). Iron-titanium oxides. Carnegie Inst. Washington Yearb, 64, 144-148. Lindsley, D. H., (1991): Experimental studies of oxide minerals. In:Lindsley, D. H. (ed.) Oxid ...
    ... odnosu na istu refleksiju ovog minerala iz Krivelja (VK2002/01; publikovano u Luković et al., 2021). In te n z it e t I-H – ilmenohematit H-I – hemoilmenit Q – kvarc R – amfibol (ribekit?) P - plagioklas In te n z it e t 42 ...
    ... 13-30. Bojar, A. V., Neubauer, F., Fritz, H., (1998): Cretaceous to Cenozoic thermal evolution of the southwestern South Carpathians: evidence from fission-track thermochronology. Tectonophysics, 297, 229-249. 89 Bosi, F., Halenius, U., & Skogby, H., (2009): Crystal chemistry of the magnet ...

  • Mineral Resources of Serbia: Environmental, Societal and Economic Challenges

    Vladimir Simić, Rade Jelenković, Dragana Životić (2019)
    ... and NCAR) under two scenarios (A1B and A2) for the year 2050 for ten locations (E-EKCHAM, H-HadCM, and N-NCAR) Sowing - Anthesis Sowing - Maturity 2050 2050 Loc. | AIB A2 AIB A2 E H N E H N E H N E H N CU |-7 -9 -8 -7 || -7 -7 -8 -9 -6 -9 -6 DM | -II -13 -9 -13 6 |-II -11 -14 -10 -13 -I6 ...
    ... basics ofphytocenology and the review ofthe types of vegetation on the EFarth. Scientific book. Belgrade. Janković, M., Blečić, V., Glišić, LJ., Marinković, D., Marinović, R., Mikulić, F., Nešković, M., Pantić, V., Petrović, V., Pljakić, M., Tešić, Ž. (1973). Encyclopaedic lexicon- Biology, Newspaper ...
    ... Službeni glasnik Republike Srbije, Belgrade, Serbia. Tošić, S.B., Mitić, S.S., Velimirović, D.S., Stojanović, G.S., Pavlović, A.N., and Pecev- Marinković, E.T. 2015. Elemental Composition of Edible Nuts - Fast Optimization and Validation Procedure of an Icp-Oes Method. Jourma! of the Science of Food ...

  • Методологија интегралне анализе сценарија енергетског развоја

    Александар Маџаревић (2019)
    енергетска безбедност, сценарио развоја, фази логика, сигурност снабдевања, доступност, расположивост, природни гас
    ... АНАЛИЗЕ СЦЕНАРИЈА ЕНЕРГЕТСКОГ РАЗВОЈА БИОГРАФИЈА Александар Маџаревић je рођен 21. априла 1987. године у Ивањици. Похађао је Гимназију „Венејамин Маринковић“ у Ивањици, општи смер, коју је завршио 2006. године, а том приликом му је додељена диплома „Вук Караџић“ за постигнут изузетан општи успех током ...
    ... H e rf in d a h l- Hi rs ch m an и нд ек са (H HI ) к ој и ук аз уј е на ни во ко нц ен тр ац иј е сл об од но г тр ж иш та . HH ин де кс се ра чу на ка о зб ир кв ад ра та пр оц ен ту ал но г уч еш ћа ( p i ) по је ди ни х ко ...
    ... максимални радни притисак: pmax=75 bar, • максимални проток гаса: o при повлачењу из ПСГ Б. Двор Q=415.000 m3/h (10 милиона m3/дан) и o при утискивању у ПСГ Б. Двор Q=230.000 m3/h (5,5 милиона m3/дан). Током 2017. године, максимални технички капацитет утискивања је био 2,7 милиона кубних метара ...