Претрага
722 items
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Производња и одржавање рударске опреме на примеру предузећа Колубара метал
Вања Миловановић (2024)У раду је извршено пројектовање технолошког процеса израде вратила на стругу. Кроз теоријску анализу, дати су основни постулати обраде стругањем, стругови као машине алатке, врсте стругова, начини стругања и примењени алати. У практичном делу, дефинисани су редоследи операција и захвата, режими обраде, изабрана машина алатка и алати за све захвате и одређено укупно време обраде потребно да се направи финални производ. Вратило из студије случаја представља компоненту редуктора погона за копање роторног багера SRs.1200.24/4+VR.Вања Миловановић. Производња и одржавање рударске опреме на примеру предузећа Колубара метал, 2024
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Geodynamics of basins above subducted slabs: An integrated modelling study of tectonics, sedimentation, and magmatism in the Timok Magmatic Complex
Uros Stojadinovic, Marinko Toljic, Branislav Trivic, Radoje Pantovic, Danica Sreckovic-Batocanin, Nemanja Krstekanic, Bojan Kostic, Milos Velojic, Jelena Stefanovic, Nikola Randjelovic, Maja Males (2024)Uros Stojadinovic, Marinko Toljic, Branislav Trivic, Radoje Pantovic, Danica Sreckovic-Batocanin, Nemanja Krstekanic, Bojan Kostic, Milos Velojic, Jelena Stefanovic, Nikola Randjelovic, Maja Males. "Geodynamics of basins above subducted slabs: An integrated modelling study of tectonics, sedimentation, and magmatism in the Timok Magmatic Complex" in Annales geologiques de la Peninsule balkanique, National Library of Serbia (2024). https://doi.org/10.2298/GABP240116003S
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Хазард од клизишта у Србији у 21. веку
Biljana Abolmasov (2019)Biljana Abolmasov. "Хазард од клизишта у Србији у 21. веку" in Геохазард у Србији у 21. веку – знање је најбољи бедем против стихије, Српска академија наука и уметности (2019)
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Early–Middle Jurassic brachiopods from Ponor Mountain, Western Balkan Mountains, Bulgaria; taxonomy, biostratigraphy and occurrence in the context of the early Toarcian Oceanic Anoxic Event
Barbara V. Radulović, Lubomir S. Metodiev, Neda Motchurova-Dekova, Platon Tchoumatchenco. "Early–Middle Jurassic brachiopods from Ponor Mountain, Western Balkan Mountains, Bulgaria; taxonomy, biostratigraphy and occurrence in the context of the early Toarcian Oceanic Anoxic Event" in Historical Biology (2023). https://doi.org/10.1080/08912963.2023.2190757
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Idejno rešenje zaštite površinskog kopa Zapadni Kostolac od površinskih i podzemnih voda
Željko Savić (2024)Svaki veći površinski kop ima dobro razvijene etaže, pa samim tim i veće površine na koje dospe površinska voda, koju je potrebno prikupiti i dirigovano provesti do odgovarajućih recipijenata, kako ne bi ugrozila eksploataciju otkrivke i uglja.... -2 35 -2 L-1 18 -2 || -1 L-2 39 -1 3 || L-3 48 2 5 2 SB 11 2 35 3 SB 17 3 35 3 L-4 40 4 7 4 SB 19 4 35 5 SB 18 5 35 5 L-5 31 6 & 6 SB 17 6 35 7 L-6 46 & 10 8 L-7 30 9 12 10 L-8 25 11 14 12 L-9 46 13 15 14 L-10 33 15 17 15 L-I1 25 16 19 17 L-12 37 18 20 19 L-13 35 20 ...
... 13 L-9 12 15 46 3220 70 15 L-10 14 17 33 2640 80 16 L-11 15 19 25 2200 88 18 L-12 17 20 37 2960 80 20 L-13 19 22 35 2835 &1 21 L-14 20 24 27 2214 82 23 L-15 22 25 16 1136 71 25 L-16 24 27 26 1742 67 26 L-17 25 28 16 1072 67 28 L-18 27 30 23 1426 62 29 L-19 28 31 15 795 53 31 L-20 30 ...
... 46 3220 11 4590 14 L-10 33 2640 15 4140 15 L-11 25 2200 15 3520 17 L-12 37 2960 15 5040 19 L-13 35 2835 15 4680 20 L-14 27 2214 15 3890 22 L-15 16 1136 11 4890 24 L-16 26 1742 9 3570 25 L-17 16 1072 9 2030 27 L-18 23 1426 9 3260 28 L-19 15 795 7 2710 30 L-20 15 735 5 2760 57 ...Željko Savić. Idejno rešenje zaštite površinskog kopa Zapadni Kostolac od površinskih i podzemnih voda, 2024
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Groundwater management by riverbank filtration and an infiltration channel, the case of Obrenovac, Serbia
... theory and applications. Birkhauser, Basel, 226 pp Kühn W, Müller U (2000) Riverbank filtration. J Am Water Works Assoc 92(12):60–69 Mayr E, Jung H, Perfler R (2011) Drinking water abstraction by bank filtration: state of the art in research and practice reviewed by Systematic Literature-Matrix. IWA Specialist ...
... for minimum water level in the Sava River Location Minimum extraction of groundwater Maximum extraction of groundwater Inflow (l/s) Outflow (l/s) Inflow (l/s) Outflow (l/s) Sava River zone 1 28.40 215.27 Sava River zone 2 156.00 97.33 Sava River zone 3 23.73 36.04 Wells 210.00 340.31 Effective in ...
... maximal source capacity is in the range of 350–442 l/s, while an infiltration channel enables capacities of 435–710 l/s. Therefore, for the minimal stage of Sava waters, a channel supports an additional 85 l/s, whereas for the maximal stage, 268 l/s of “new” water could be pumped out. The yield enlargement ...Dušan Polomčić, Bojan Hajdin, Zoran Stevanović, Dragoljub Bajić, Katarina Hajdin. "Groundwater management by riverbank filtration and an infiltration channel, the case of Obrenovac, Serbia" in Hydrogeology Journal, Berlin, Heidelberg : Springer, International Association of Hydrogeologists (2013). https://doi.org/10.1007/s10040-013-1025-9
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Збирка задатака из Механике 1 и Отпорности материјала
Aна Петровић, Инес Гроздановић (2023)... nocTaje: || —S(L sin a) —G(Žcosa) +S(lsina) = 0 19 36upka aanarTaka v3 MexaHuke 1 u OrnopHocTu MaTepujana l S(l—ll)sina=G(— 2 COS Cl) VMlapauyHaBajy ce peakuuja 3wna Ry M cvna y yxxeTy S (jenHake cy Ha OCHOBy rpBe jenHauuHe): || 1 G =5Cos Q 5 V3 Ri=S= 2 _ 2. :3· (I — l,) sin q \/š V3 ...
... urran je uenMuHM, na ce aHa na je E = 2,1· 104% = cohnst. TlovepaW»a kapakrepucTMuHWX rpeceka cy: A4.=0 DO OB Ac = Ag +g,l,_·[ll,l,l _ Ž,Žl (—ZŽŽ(ZZ) __q ŽŽ LOLO L O _N _2P_P Ta 24 A _Nu_-2P _ _„P OA A ĆA Nn GP „P III == =3= An 24 A 49 36upka aanaTaka v MexaHuke 1 u OrnopHocTu ...
... ce peakuuvjja Be3a M yHOCe ce akTMBHe CUne. 20 36upka a3anaTaka v3 MexaHuke 1 ı OrnopHocTu MaTepujana AA +N„·l„_3Pl+(–2P)l_Pl E Egl·A, EA EBA EA A A N;·l, _ PL _ (8P)L _5Pl DD_ cTE.A, FA EQ4 BA YupraBajy ce no0ujeHa roMepaM-a y onroBapajyhuM ripeceuua (Cnavka 2.6). UlTo ce HOpMaHWMX ...Aна Петровић, Инес Гроздановић. Збирка задатака из Механике 1 и Отпорности материјала, Београд : Универзитет у Београду, Рударско-геолошки факултет, 2023
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Threshold-induced correlations in the Random Field Ising Model
Sanja Janićević, Dragutin Jovković, Lasse Laurson, Đorđe Spasojević. "Threshold-induced correlations in the Random Field Ising Model" in Scientific Reports, Springer Science and Business Media LLC (2018). https://doi.org/10.1038/s41598-018-20759-6
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Rudničke vode olovo-cinkovih ležišta u rudnom polju „Blagodat“ u jugoistočnoj Srbiji
Nebojša Atanacković, Veselin Dragišić, Vladimir Živanović, Ivana Cvejić, Saša Stojadinović, Ivana Jocić (2022)Rudno polje Blagodat sa više ležišta i pojava olovo-cinkovih ruda nalazi se u krajnjem jugoistočnom delu Srbije, blizu granica sa Bugarskom i Severnom Makedonijom. Eksploatacija ovog resursa vrši se podzemno u okviru rudnika Grot, ranije Blagodat. Prilivi podzemnih (rudničkih) voda u jamske radove rudnika Grot su visoki i iznose oko 130 l/s (septembar 2019), što ga trenutno svrstava u najovodnjenije rudnike sa podzemnom eksploatacijom u Srbiji. Nezavisno od njih, iz obližnjeg potkopa P-1 u ležištu Kula, ističe još 25 ...Nebojša Atanacković, Veselin Dragišić, Vladimir Živanović, Ivana Cvejić, Saša Stojadinović, Ivana Jocić. "Rudničke vode olovo-cinkovih ležišta u rudnom polju „Blagodat“ u jugoistočnoj Srbiji" in Zbornik radova XVI srpskog Simpozijum o hidrogeologiji sa međunarodnim učešćem, Univerzitet u Beograd, Rudarsko-geološki fakultet (2022)
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Sustainable Modularity Approach to Facilities Development Based on Geothermal Energy Potential
The study presented in this paper assessed the multidisciplinary approach of geothermal potential in the area of the most southeastern part of the Pannonian basin, focused on resources utilization. This study aims to present a method for the cascade use of geothermal energy as a source of thermal energy for space heating and cooling and as a resource for balneological purposes. Two particular sites were selected—one in a natural environment; the other within a small settlement. Geothermal resources come ...геотермална енергија, Панонски басен, геотермална каскада, енергетска ефикасност, бањски центри, балнеологија, биоклиматска архитектура, стратегије пасивног дизајнирања, модуларни објектиNataša Čuković-Ignjatović, Ana Vranješ, Dušan Ignjatović, Dejan Milenić, Olivera Krunić. "Sustainable Modularity Approach to Facilities Development Based on Geothermal Energy Potential" in Applied Sciences-Basel, МDPI (2021). https://doi.org/10.3390/app11062691
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Actual contamination of the Danube and Sava rivers at Belgrade (2013)
Milan Antonijević, Marija Arsović, Josef Cáslavský, Vesna Cvetković, Predrag Dabić, Mladen Franko, Gordana Ilić, Milena Ivanovic, Nevena Ivanović, Milica Kosovac, Dragana Medić, Slobodan Najdanović, Milica Nikolić, Jovana Novaković, Tatjana Radovanović, Djurdjina Ranić, Bojan Šajatović, Gorica Špijunović, Ivana Stankov, Jelena Tošović, Polonca Trebse, Olivera Vasiljević, Jan Schwarzbauer (2014)rečni sistemi, stanje zagađenja, organski zagađivači, teški metali, skrining analize, non-target screeningMilan Antonijević, Marija Arsović, Josef Cáslavský, Vesna Cvetković, Predrag Dabić, Mladen Franko, Gordana Ilić, Milena Ivanovic, Nevena Ivanović, Milica Kosovac, Dragana Medić, Slobodan Najdanović, Milica Nikolić, Jovana Novaković, Tatjana Radovanović, Djurdjina Ranić, Bojan Šajatović, Gorica Špijunović, Ivana Stankov, Jelena Tošović, Polonca Trebse, Olivera Vasiljević, Jan Schwarzbauer. "Actual contamination of the Danube and Sava rivers at Belgrade (2013)" in Journal of the Serbian Chemical Society, National Library of Serbia (2014). https://doi.org/10.2298/JSC131105014A
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Хидрогеолошке карактеристике изворишта за водоснабдевање Kањиже
Vladimir Jović ( 2024)Rad se bavi hidrogeoloskim karakteristikama izvorista za vodosnabdevanje opstine Kanjiza. Istrazivanja su sprovedena na tri hidrogeoloska kompleksa, od kojih su drugi i treći kompleks kljućni za vodosnabdevanje. Ovi kompleksi se nalaze u sedimentima pleistoćenske i paludinske starosti, na dubinama od 60 do 260 metara, sa subarteskim nivoom vode. Ukupne rezerve podzemnih voda u okviru drugog i treć eg hidrogeoloskog kompleksa iznose 935 l/s, a klasifikovane su u dve kategorije: B i C1. Kvalitet podzemnih voda je stabilan i pripada ...... KMnOa| mg/L 8 5, M uScm”' na Provodljivost| 200C 1000 736 Sulfati (SO4) mg/L Ukupni ostatak| Tvrdoća ukupna *dH Kiesonik Oz| mg/L Neorganske materije Amonijak| mg/l 0,5 0,3 0,5 0,4 0,5 0,5 0,4 0, Arsen (As) mg/l 0,0189 | 0,0241 0,0256 0,0143 0,0403 0,0492 0,0466 0,0342 HCOx| mg/l 395,89 ...
... 508,13 Cink (Zn) mg/l <0,05 <0,05 <0,05 <0,05 <0,05 <0,05 <0,05 <0,05 Fluoridi (F) mg/l 0,18 0,15 0,21 0,17 0,4 0,19 0,22 0,26 Hrom ukupni (Cr) mg/l <0,002 <0,002 <0,002 <0,002 <0,002 <0,002 <0,002 <0,002 Hloridi (CI) mg/L < [ 2:] «5 «5 [ 4:] 5,38 «5 5,7 Kalcijum (Ca) mg/l 28,87 29,84 28,71 30 ...
... su na osnovu: OGK SFRJ 1:100.000, listovi Subotica (L 34-64) i Seged (L 34-65), Savezni geološki zavod, Beograd, 1991; OGK SFRJ 1:100.000, list Bačka Topola (L 34-76), Savezni geološki zavod, Beograd, 1993; OGK SFRJ 1:100.000, list Kikinda (L 34-77), Savezni geološki zavod, Beograd, 1995; 20 ...Vladimir Jović. Хидрогеолошке карактеристике изворишта за водоснабдевање Kањиже, 2024
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Tehnologija izrade i opremanje magacina eksploziva za potrebe ležišta bakra
Aleksandar Milojević (2024)Nakon radova otvaranja i početka eksploatacije, rudno telo bakra velikih rezervi zahteva i veliku količinu eksploziva da bi se ostvario zacrtan kapacitet. Samim tim, neophodno je izraditi funkcionalan magacin eksploziva koji će biti pristupačan svim horizontima i koji će moći da ispuni celokupni kapacitet svih horizonata. Obzirom da će se u magacinu skladištiti eksploziv, on mora ispunjavati specijalne uslove kako bi skladištenje bilo bezbedno. Neophodno je isprojektovati magacin tako da ispuni sve zahteve po pitanju količine i načina skladištenja eksploziva, ...... |e S | e = S = P 5 l e l e oO Z = | - | | d = o [5] d Š _ |_ —~ ' S G | B l e = o | > = S O o O l o Z l e | w d d R rik=| - i ii M |wn |- d .m H E O E s o 2 R o o | Š . 3 e | N N | o I - | l w | 9 V , C n m ...
... nosećeg svoda: 26 45—0 2 L=L+2?'h'·tg ,m Širina svoda po krivoj opterećenja će biti: „ Ž L=L +š·ll·sin[?,m | s - -R. + 0,5) p' = arc sinf Moćnost stabilnog svoda: B·L h= _—2—— 1— gB · snB Ako se označi da je: B_ P·K 26 · (cpp — 0x) Gde je: P – specifično ravnomerno ...
... m . > | R E & Ž e | “~ | 5 S z l m t ZI o -| e| || =- > «~ = — ~ s G o l o o e u7:BL=Wt=t=| = |O |O |O e = | w | |6 % = o [5] % = O A R o l o 5 3 8 5 5 8 R = N i S C Z l a q | - % o|.5 - H S i - | i = = v m & o ...Aleksandar Milojević. Tehnologija izrade i opremanje magacina eksploziva za potrebe ležišta bakra, 2024
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Optimization and Analysis of Drilling and Blasting Parameters Using O-Pitblast Software
The development of modern technologies has enabled the application of specialized softwares in the field of mining through various segments and processes, including in works related to drilling and blasting. The application of specialized software for drilling and blasting with the use of modern technologies such as photogrammetry enabled more accurate data from the field for later processing. By processing data and creating a 3D model of the terrain for drilling and blasting works, it can obtain precise data, ...Stefan Milanović, Nikola Simić, Lazar Kričak, Milanka Negovanović, Nikola Đokić. "Optimization and Analysis of Drilling and Blasting Parameters Using O-Pitblast Software" in Podzemni radovi, Beograd : Rudarsko-geološki fakultet (2024)
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A contribution to the understanding of hydrochemical properties of thermomineral water on the L’dži locality (eastern part of North Macedonia)
Hristina Petrova, Katarzyna Wątor, Piotr Rusiniak, Boris Vakanjac, Vesna Ristić Vakanjac, Ewa Kmiecik (2023)Regarding the aspect of mineral, thermo-mineral, and thermal waters, on the territory of the Republic of North Macedonia, there are 65 registered locations, of which 8 are categorized as spas. This includes the Kežovica spa, also known as the Štipska spa. In the vicinity of Kežovica Spa is the thermo-mineral L’Dži spring with mineralization around 1.3 g/L and the water temperature at the time of sampling was 50.1 °C. Spring L’Dži is generated by a fault structure and is ...Hristina Petrova, Katarzyna Wątor, Piotr Rusiniak, Boris Vakanjac, Vesna Ristić Vakanjac, Ewa Kmiecik. "A contribution to the understanding of hydrochemical properties of thermomineral water on the L’dži locality (eastern part of North Macedonia)" in National Conference with International Participation “GEOSCIENCES 2023”, Review of the Bulgarian Geological Society, Sofia : Bulgarian Geological Society (2023)
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Equilibrium and kinetic studies of the reactions between [Ru(terpy)(bipy)Cl]Cl complex and biologically important N-donor ligands
Studije u oblasti antikancerogenih karakteristika jedinjenja rutenijuma(III/II) izazivaju veliku pažnju već nekoliko godina otkako su neka od njih kao što su KP1019 (indazolijum-tetrahloridobis(H-indazol)rutenat(III)) i NAMI-A (imidazolijum) -trans-tetrahlorido(dimetilsulfoksid)indazolerutenat(III)) dostigao nivo kliničkog ispitivanja. Kompleksi rutenijuma u reakciji sa molekulom DNK formiraju prvenstveno gvanin- i adenin-adukt, kao komplekse platine. Takođe, nekoliko studija ukazuje na veoma jake interakcije sa proteinima. Međutim, kompleksi Ru(III/II) pokazuju generalno manje toksične efekte od lekova platine(II).1 Proučavali smo kinetiku reakcija supstitucije kompleksa [Ru(terpi)(bipi)Cl]Cl sa biološki važnim ligandima: dimetilsulfoksidom, gvanozin-5’-monofosfatom, ...... substitution reactions of [Ru(terpy)(bipy)Cl]* complex with biologically important ligands: dimethylsulfoxide, | guanosine-S’-monophosphate, thiourea and L-histidine. All reactions were studied by UV-VIS spectrophotometry in 0.1 M NaClO, with 10 mM NaCl. The excess of ligand concentration was used to observed ...
... computational program Origin 6.1. Also we investigated the hydrolysis and complexation reactions of Ru(II) complex with guanosine-5’-monophosphate and L- histidine. Potentiometric titrations were carried out at 298 K in inert atmosphere using a glass electrode. For the calculations is used computation ...
... 07) x 10°! (1.38 + 0.20) x10+ alae ; ‘ : PERO Histidin (4.06 + 0.20) x 10°! (1.14 + 0.07) x10% Table 2. Stability constants of [Ru(terpy)(bipy)H,O]?* — L complexes Figure 2. Kinetic traces of the reaction between formed in a 0.1 mol/dm? NaClO, ionic medium, at 298 K. Ru(terpy)(bipy)Cl]* (2-104M) complex ...Aleksandar Mijatović, Biljana Petrović, Ratomir Jelić, Živadin Bugarčić. "Equilibrium and kinetic studies of the reactions between [Ru(terpy)(bipy)Cl]Cl complex and biologically important N-donor ligands" in EuroAnalysis 16 - Challenges in Modern Analytical Chemistry, Belgrade : Division of Analytical Chemistry of the Serbian Chemical Society (2011)
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Organoselenium functionalized oxacycles as ligands in some trans-palladium(II) complexes: biological evaluation and interaction with small biomolecules
I. Raković, D. Ćoćić, O. Milošević-Djordjević, I. Radojević, M. N. Živanović, K. Virijević, J. Pavić, J. Tubić Vukajlović, A. Marković, J. S. Marjanović, M. D. Kostić, P. Čanović, A. Mijatović, V. M. Divac (2023)In this article, the biological evaluation and interaction of three selenium-based trans-palladium complexes (Pd–Se1, Pd–Se2, and Pd–Se3) with small biomolecules were performed. The UV–Vis kinetic studies on substitution reaction of synthesized complexes with selected biologically important N- and S-bonding ligands (LCys, GSH, L-Met, 50-GMP, L-His) has emphasized greater affinity of sulphur-based ligands for complex-binding, while the general order of the reactivity was L-Cys > GSH > L-Met > 50-GMP > L-His. The complex reactivity toward small biomolecules is influenced ...I. Raković, D. Ćoćić, O. Milošević-Djordjević, I. Radojević, M. N. Živanović, K. Virijević, J. Pavić, J. Tubić Vukajlović, A. Marković, J. S. Marjanović, M. D. Kostić, P. Čanović, A. Mijatović, V. M. Divac. "Organoselenium functionalized oxacycles as ligands in some trans-palladium(II) complexes: biological evaluation and interaction with small biomolecules" in Journal of Coordination Chemistry, Informa UK Limited (2023). https://doi.org/10.1080/00958972.2023.2256934
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The subthermal potential of karstic groundwater of Kučaj–Beljanica region in Serbia estimated by the multivariate analysis
Earth-Surface Processes, Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry, Global and Planetary ChangeLjiljana Vasić, Dragana Ž. Živojinovic, Vladana Rajaković-Ognjanović, Huang Fen, Cao Jianhua. "The subthermal potential of karstic groundwater of Kučaj–Beljanica region in Serbia estimated by the multivariate analysis" in Environmental Earth Sciences, Springer Science and Business Media LLC (2021). https://doi.org/10.1007/s12665-021-09392-1
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Callovian (Middle Jurassic) Sphriganaria (Brachiopoda) from the Jordan Valley (Middle East)
Howard R. Feldman, Barbara V. Radulović, Fayez Ahmad. "Callovian (Middle Jurassic) Sphriganaria (Brachiopoda) from the Jordan Valley (Middle East)" in Historical Biology (2023). https://doi.org/10.1080/08912963.2022.2122823
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Tectonic evolution of the Circum-Moesian orocline of the Carpatho-Balkanides: Paleomagnetic constraints
Emő Márton, Vesna Cvetkov, Miodrag Banješević, Gábor Imre, Aleksandar Pačevski. "Tectonic evolution of the Circum-Moesian orocline of the Carpatho-Balkanides: Paleomagnetic constraints" in Journal of Geodynamics, Elsevier BV (2024). https://doi.org/10.1016/j.jog.2024.102058