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Упит dcterms_creator_txt:Dragan J. Ilić

1320 items

  • Димензионисање транспортера на спољашњем одлагалишту повшинског копа Западни Костолац

    Петар Миловановић (2024)
    У савременом рударству, површински копови угља наилазе на различите проблеме које треба превазићи зарад добијања потребне количине угља. Као највећи потрошачи овог енергента су термоелектране, на основу овога можемо да закључимо колико су блиско повезани добра и континуирана производња на површинском копу и рад термоелектрана. Са задатком да се обезбеди стабилна и континуирана производња, потребно је да се направи добар одабир транспортера. У овом раду, за димензионисање потребног транспортера са траком, коришћен је програмски пакет Helix.Програмски пакет Helix представља један ...
    транспортна трака, снага погона, затезна чврстоћа, угаљ, Западни Костолац, Helix
    ... liiupuna Jlyauna rpancnoprepa BucuHa u3yama TpanHcnoprepa (mm) (m) (m) J-I-1 1700 3 J-I-2 1780 0 IBTO J-I-3 2000 2090 50 J-I-4 1785 0 J-I-5 1320 0 J-II-1 1670 1 J-II-2 1670 0 II BTO J-II-3 2000 1720 38 J-II-4 1710 0 J-II-5 1400 0 49 54. Peayanrraru npopauynHa Pesaynrare npopauyHa ...
    ... m/s)p Tpal·l(cnop)Tepa Tun rpake ((t:;\l;i)l mm Max J-I-1 St3150 4x1000 J-I-2 St2000 -l- IBTO JL3 4.65 2000 St3150 _|_ J-I-4 St2000 -l- J-I-5 St2000 -l- Max JFH-I 4x1000 J-II -2 -l- II BTO JI -3 4.65 2000 St3150 — J-II -4 -l- J-II -5 -l- 47 IIonarmu Koju cy noTpeOHu 3a rpopauyH ...
    ... TexxuaHa JUIy)KHOr MeTpa TpaKe Kanaunrer BucuuHcka paganika, m IlipaHa Tpakc Bpoj Opucaua St3150 902.5 N/m I BTO: B-2000 J-I-1 J-I-2 J-I-3 J-I-4 J-I-5 1700 1780 2090 1785 1320 4.65 m/s 1.8m 1500.9 N 3.0m 1422.4 N 35524 kg 53956 kg St2000 St3150 St2000 809.3 N/m 902.5 ...

  • Хазард од клизишта у Србији у 21. веку

    Biljana Abolmasov (2019)
    клизишта, хазард од клизишта, промене климе
    ... Leroueil S., Locat J., Vaunat J., Picarelli L., Lee H., Faure R. (1996). G characterization of slope movements. Special lecture. In: Senneset K. (E of the VII International Symposium on Landslides, Trondheim, 17�21. J Norway. A. A. Balkema, Rotterdam, Netherlands. Vol. I. 53�74. [31] Kru�i� J., Andrejev ...
    ... [30] Leroueil S., Locat J., Vaunat J., Picarelli L., Lee H., Faure R. characterization of slope movements. Special lecture. In: Senneset | of the VII International Symposium on Landslides, Trondheim, 17 2 Norway. A. A. Balkema, Rotterdam, Netherlands. Vol. I. 53 74. [31] Kru i J., Andrejev K., Abolmasov ...
    ... Corominas J., Bonnard C., Cascini L., Leroi E., Savage WY. (2008). G for landslide susceptibility, hazard and risk zoning for land use pl Geology 102: 85�111. [15] Cascini L. (2008). Applicability of landslide susceptibility and h different scales. Engineering Geology 102: 164�177. [16] Corominas J., van ...

  • Differently shaped nanocrystalline (Fe, Y)3O4 and its adsorption efficiency toward inorganic arsenic species

    Biljana P Dojčinović, Boštjan Jančar, Lotfi Bessais, Aleksandar Kremenović, Nataša P Jović-Jovičić, Predrag T Banković, Dalibor M Stanković, Miloš Ognjanović, Bratislav V Antić (2019)
    Herein we report effects of partial substitution of Fe3+ by Y3+ in magnetite (Fe3O4) on morphology and inorganic arsenic species adsorption efficiency of the Fe3−xYxO4 nanoparticles formed. The series of Fe3−xYxO4 (x=0.00, 0.042 and 0.084, labeled as Y00, Y05 and Y10, respectively) was synthesized using co-precipitation followed by microwave-hydrothermal treatment (MW) at 200°C. With increase of yttrium content(xvalue), both the morphological inhomogeneity of the samples and the fraction of spinel nanorods as compared to spinel pseudospherical particles increased. By ...
    microstructure, microwave-hydrothermal synthesis, adsorption, magnetic nanoparticles, arsenic

  • Elektromagnetska sprega sistema litosfera-atmosfera-jonosfera

    Aleksandra B. Kolarski (2016-08-25)
    Radio talasi vrlo niskih frekvencija VLF (eng. Very Low Frequency) frekventnog opsega od 3 do 30 kHz, koji se prostiru talasovodom Zemlja-jonosfera (50 -90 km) su, kao što je poznato, efikasni i nezamenljivi u osmatranju pojava u niskoj jonosferi, sa tla...
    prostiranje talasa vrlo niskih frekvencija, talasovod Zemlja-jonosfera, globalno električno kolo, atmosfersko električno pražnjenje, kratkotrajne svetlosne pojave
    ... a. Mogu se javiti četiri tipa varijabilnosti J = σ·E:  ako je σ konstantno, J i E su povezani linearno,  ako je J konstantno, a σ se povećava, E se smanjuje,  ako je E konstantno, a σ se povećava, J se povećava proporcionalno σ i  J, σ i E se menjaju nezavisno jedno od drugog. ...
    ... 052765. 101 Hardman, S. F., Dowden, R. L., Brundell, J. B., Bahr, J. L., Kawasaki, Z., Rodger, C. J. (2000). Sprite observations in the Northern Territory of Australia. J. Geophys. Res., 105, pp. 4689–4697. Hargreaves, J. K. (1992). The Solar-Terrestrial Environment. Cambridge University ...
    ... System (ADS). Lang, T. J., Miller, L. J., Weisman, M., Rutledge, S. A., Barker III, L. J., Bringi, V. N., Chandrasekar, V., Detwiler, A., Doeskin, N., Helsdon, J., Knight, C., Krehbiel, P., W. A. Lyons, CCM, MacGorman, D., Rasmussen, E., Rison, W., Rust, W. D., Thomas, R. J. (2004). The Severe T ...

  • Critical disorder and critical magnetic field of the nonequilibrium athermal random-field Ising model in thin systems

    Svetislav Mijatović, Dragutin Jovković, Sanja Janićević, Đorđe Spasojević (2019)
    Изингов модел, критично понашање, танки системи

  • Numeričko modelovanje povećanja iskorišćenja naftnih ležišta injektiranjem polimera i analiza osetljivosti parametara

    Jana Šujica (2024)
    U toku proizvodnje jednog ležišta, nakon primene sekundarnih metoda iskorišćenja, velika količina nafte ostaje zarobljena u ležištu. Ovaj “problem” rešava se upotrebom tercijarnih metoda iskorišćenja.Tercijarne metode mogu se podeliti na: hemijske, termičke, mikrobiološke i metode utiskivanja gasova u uslovima mešanja i nemešanja.U ovom radu analiziraju se hemijske metode koje se odnose na injektiranje polimera u cilju povećanja iskorišćenja naftnog ležišta “X”. Simulacija je rađena u simulatoru “Tnavigator” na sintetičkom modelu u cilju definisanja stepena iskorišćenja naftnog ležišta “X” nakon ...
    povećanje iskorišćenja, utiskivanje polimera, numerička simulacija
    ... IME BUŠOTINE | TIP BUŠOTINE | STATUS BUŠOTINE J-1 produktivna aktivna od 01.01.2015. J-2 produktivna aktivna od 01.05.2015. J-3 produktivna aktivna od 01.08.2015. J-4 produktivna aktivna od 01.12.2015. J-5 produktivna aktivna od 01.02.2016. J-6 produktivna aktivna od 01.06.2019. I-6 injekciona ...
    ... ADAPTACIJE POSLE ADAPTACIJE J-1 1 1,5 J-2 1 1,35 J-3 1 1,4 J-5 1 1,25 ARRKRWR Slika 3.4.3. Distribucija relativnih propusnosti Srednja vrednost relativnih propusnosti u modelu iznosi 1,183. 36 Korekcijom relativnih propusnosti ustanovljeno Je da su bušotine J-3 i J-5 adaptirane što ukazuje ...
    ... X OSsi i y OSsL. Prvo, vertikalna distribucija transmisibiliteta rađena Je na nivou ležišta, ali su glavne izmene rađene u zoni bušotina: J-1; J-2; J-3; J-5. Ove četiri bušotine analizirane su detaljno kako bi se postigla što preciznija adaptacija. Važno Je napomenuti da simulator, prilikom unosa ...

  • Hydrothermal Synthesized and Alkaline Activated Carbons Prepared from Glucose and Fructose—Detailed Characterization and Testing in Heavy Metals and Methylene Blue Removal

    Sanja Krstić, Milan Kragović, Maja Pagnacco, Vladimir Dodevski, Branka Kaluđerović, Miloš Momčilović, Ivica Ristović, Marija Stojmenović (2018)
    glukoza, fruktoza, аktivni ugalj, hidrotermalni tretman, aktivacija hidroksida, teški metali, metilen plavo
    ... Zheng, G.; Liu, C.; Shen, C.; Yan, X.; Guob, J.; Guo, Z. Organic vapor sensing behaviors of conductive thermoplastic polyurethane-graphene nanocomposites. J. Mater. Chem. C 2016, 4, 4459–4469. [CrossRef] 32. Liu, H.; Dong, M.; Huang, W.; Gao, J.; Dai, K.; Guo, J.; Zheng, G.; Liu, C.; Shen, C.; Guo, Z. ...
    ... Tang, J. Preparation of activated carbons from cotton stalk by microwave assisted KOH and K2CO3 activation. Chem. Eng. J. 2010, 163, 373–381. 61. Wang, J.; Kaskel, S. KOH activation of carbon-based materials for energy storage. J. Mater. Chem. 2012, 22, 23710–23725. [CrossRef] 62. Enterría, M.; Suá ...
    ... kernel powder. Biochem. Eng. J. 2005, 27, 83–93. [CrossRef] 69. Annadurai, G.; Juang, R.-S.; Lee, D.-J. Use of cellulose-based wastes for adsorption of dyes from aqueous solutions. J. Hazard. Mater. 2002, 92, 263–274. [CrossRef] 70. Gong, R.; Li, M.; Yang, C.; Sun, Y.; Chen, J. Removal of cationic dyes ...

  • Distribution of major and trace elements in the Kovin lignite (Serbia)

    Dragana Životić, Olga Cvetković, Predrag Vulić, Ivan Gržetić, Vladimir Simić, Konstantin Ilijević, Biljana Dojčinović, Suzana Erić, Bogdan Radić, Sanja Stojadinović, Snežana Trifunović (2019)
    geochemical and mineralogical study was performed on lignite samples from the Upper Miocene Kovin deposit, hosting three coal seams. The Kovin lignite is characterized by high moisture content, medium to high ash yield, medium to high sulphur content and a relatively low gross and net calorific value. The mineralogical composition, and major and trace element contents were determined by X-ray diffraction, scanning electron microscopy with energy dispersive Xray spectroscopy (SEM-EDS) analyses, and inductively coupled plasma optical emission spectrometry (ICP-OES). ...
    General Earth and Planetary Sciences, General Environmental Science
    ... Измењено: 2023-10-14 04:32:13 Distribution of major and trace elements in the Kovin lignite (Serbia) Dragana Životić, Olga Cvetković, Predrag Vulić, Ivan Gržetić, Vladimir Simić, Konstantin Ilijević, Biljana Dojčinović, Suzana Erić, Bogdan Radić, Sanja Stojadinović, Snežana ...
    ... репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Distribution of major and trace elements in the Kovin lignite (Serbia) | Dragana Životić, Olga Cvetković, Predrag Vulić, Ivan Gržetić, Vladimir Simić, Konstantin Ilijević, Biljana Dojčinović, Suzana Erić, Bogdan Radić, Sanja St ...
    ... focused on the mineral matter and major and trace el­ ements contents. Distribution of major and trace elements in the Kovin lignite (Serbia) Dragana Životić1, Olga Cvetković2, Predrag Vulić1, Ivan Gržetić3, Vladimir Simić1, Konstantin Ilijević3, Biljana Dojčinović2, Suzana Erić1, Bogdan Radić4 ...

  • Утицај обртног магнетног поља на дерацемизацију кристала натријум-хлората

    М. Милојевић, А. Жекић, П. Дабић, Б. Вучетић, Б. Максимовић (2023)
    ... [1] C. Viedma, Phys. Rev. Lett., 94 (2005) 005504-1-065504-4. [2] C. Rougeot, F. Guillen, J.-C Plaquevent, G. Coquerel, Cryst. Growth Des., 15 (2015) 2151—2155. [3] C. Xiouras, J. V. Aeken, J. Panis, J. H. T. Horst, T. V. Gerven, G. D. Stefanidis, Crysf. Growth Des., 15 (2015) 5476–5484. [4] ...
    ... [1] C. Viedma, Phys. Rev. Lett., 94 (2005) 0065504-1-065504-4. [2] C. Rougeot, F. Guillen, J.-C Plaquevent, G. Coquerel, Cryst. Growth Des., 15 (2015) 2151—2155. [3] C. Xiouras, J. V. Aeken, J. Panis, J. H. T. Horst, T. V. Gerven, G. D. Stefanidis, Crysf. Growth Des., 15 (2015) 5476–5484. [4] ...

  • Development of a petrographic classification system for organic particles affected by self-heating in coal waste. (An ICCP Classification System, Self-heating Working Group – Commission III)

    M. Misz-Kennan, J. Kus, D. Flores, C. Avila, Z. Büçkün, N. Choudhury, K. Christanis, J.P. Joubert, S. Kalaitzidis, A.I. Karayigit, M. Malecha, M. Marques, P. Martizzi, J.M.K. O'Keefe, W. Pickel, G. Predeanu, S. Pusz, J. Ribeiro, S. Rodrigues, A.K. Singh, I. Suárez-Ruiz, I. Sýkorová, N.J. Wagner, D. Životić (2020)
    Self-heating of coal waste is a major problem in the leading coal-producing and consuming countries, independent of the recent or past coal exploitation history. The phenomenon of self-heating is dependent on many factors such as the properties of organic matter (maceral composition and rank), moisture and pyrite content, climate effects, and storage conditions (shape of the dump or compaction of the coal waste). Once deposited, coal waste undergoes oxidation, which can lead to self- heating with the overall temperatures ...
    Stratigraphy,Economic Geology,Geology,Fuel Technology

  • Supstitucione reakcije Pd(II) kompleksa sa biološki važnim biomolekulima

    Aleksandar M. Mijatović, Jovana Bogojeski (2017)
    Kompleksi Pd(II), supstitucione reakcije

  • Multihazard Exposure Assessment on the Valjevo City Road Network

    Miloš Marjanović, Biljana Abolmasov, Svetozar Milenković, Uroš Đurić, Jelka Krušić, Mileva Samardžić Petrović (2019)
    Prirodni hazardi, izloženost, klizišta, poplave, bujice, GIS, R

  • Alpine thermal events in the central Serbo-Macedonian Massif (southeastern Serbia)

    Milorad D. Antić, Alexandre Kounov, Branislav Trivić, Andreas Wetzel, Irena Peytcheva, Albrecht von Quadt (2015)
    General Earth and Planetary Sciences

  • Freeze-dried nanocrystal dispersion of novel deuterated pyrazoloquinolinone ligand (DK-I-56-1): Process parameters and lyoprotectant selection through the stability study

    Jelena R. Mitrović, Maja Bjelošević Žiberna, Aleksandar Vukadinović, Daniel E. Knutson, Dishary Sharmin, Aleksandar Kremenović, Pegi Ahlin Grabnar, Odon Planinšek, Dominique Lunter, James M. Cook, Miroslav M. Savić, Snežana D. Savić (2023)
    Recently, nanocrystal dispersions have been considered as a promising formulation strategy to improve the bioavailability of the deuterated pyrazoloquinolinone ligand DK-I-56-1 (7‑methoxy-2-(4‑methoxy-d3-phenyl)-2,5-dihydro-3H-pyrazolo[4,3-c]quinolin-3-one). In the current study, the freeze-drying process (formulation and process parameters) was investigated to improve the storage stability of the previously developed formulation. Different combinations of lyoprotectant (sucrose or trehalose) and bulking agent (mannitol) were varied while formulations were freeze-dried under two conditions (primary drying at -10 or -45 °C). The obtained lyophilizates were characterized in terms ...
    Pharmaceutical Science
    ... • ++ || |- 90 250 *** [ F-0.4 | 80 | + H || *** f |- 70 200 -| . + * | —~ -03 L —~ E J • • ii 60 E\Ž =aso J · | Olsa& Ć " |EE:7 o | š F-0.2 L40 M 00 J · š " } LJ LI | [3 50 | -0.1 L20 J F | 10 01—+—0 7 Tr—_r— SIM | SIM SIM IM 00 Lo sucrose/mannitol before M M + +I + + ion: 2+1 ...
    ... T__= 153.27 *C peak s -48 AH = 162.09 J/g - o i-] o -9 -0.66 = [} —-1.32 > < > -1.98 Š | T_= 154.03 *C % -2.64 |- AH = 77.71 J/g _ šl:) | ii L ii L ii L | L L ı| 0.0 | iii -2.6 -- - -5.2 | J T__= 189.87 *C | peak 8L AH = 126.15 J/g | . L || - l L || L : ıj 0 50 100 150 ...
    ... intravenous nanosuspensions. Int. J. Pharm. 586, 119555 https://doi.org/10.1016/j. ijpharm.2020.119555. Patel, S.M., Nail, S.L., Pikal, M.J., Geidobler, R., Winter, G., Hawe, A., Davagnino, J., Gupta, S.R., 2017. Lyophilized drug product cake appearance: what is acceptable? J. Pharm. Sci. 106 (7), 1706–1721 ...

  • Geološko-geofizički model dela Timočkog magmatskog kompleksa

    Snežana M. Ignjatović (2014-06-30)
    Timočki magmatski kompleks (TMK) u geotektonskom smislu pripada KarpatoBalkanidimaistočne Srbije, koji su deo Tekijsko-Dakijske jedinice. TMK je nastaotokom kontinuirane vulkanske aktivnosti, koja je trajala oko deset miliona godina iodvijala se generalno u tri faze (Zimmerman et al., 2008, Kolb et al., 2013, Banješević,2006). Pomeranje vulkanskog fronta je išlo od istoka ka zapadu (von Quadt et al., 2002,2003, 2007). Ovaj kompleks pripada tetijskom evroazijskom metalogenetskom pojasu usvetu poznat po ležištima bakra i zlata (Janković, 1990).U doktorskoj disertaciji su prikazani rezultati ...
    Timočki magmatski kompleks, aeromagnetska istraživanja, gravimetrijskaistraživanja, 2D geološko-geofizički model, Valja Strž, magmatsko telo
    ... paleomagnetism, Springer, Dordrecht, Netherlands, pp. 1054. Hedenquist, J. W., Izawa, E., Arribas, A., 1996. Epithermal gold deposits: Style, Characteristics and Exploration. Special Publ. No.1, Soc. of Resource Geol. of Japan, 32. Ilić, M., 1953/54. O pojavama andezit-bazalta kod Brestovačke banje, Bora ...
    ... rudoklastima u Borskom reonu – istočna Srbija. Doktorska disertacija, Rudarsko geološki fakultet, Beograd, st. 189. Monthel, J., Vadala, P., Leistel, J.M., Cottard, F., Ilić, M., Štrumberger, A., Tošović, R., Stepanović, A., 2002. Mineral deposits and mining districts of Serbia. Compilation map and ...
    ... starosti u Timočkom rov- sinklinorijumu. Zbornik radova Rud. met. fak. i Inst. za bakar u Boru, VII, Bor, 45- 51. Nikolić, P., ĐorĎević, G., Gajić, S., Ilić, Z., 1968. Valakonjski timocit i njegov značaj za proučavanje Timočke eruptivne oblasti u Istočnoj Srbiji. Zbornik radova Rud. met. fak. i Inst. za ...

  • Composition of organic matter and thermal maturity of Mesozoic and Cenozoic sedimentary rocks in East Herzegovina (External Dinarides, Bosnia and Herzegovina)

    Nikoleta Aleksić, Aleksandar Kostić, Miloš Radonjić (2021)
    This paper presents the first data on the organic matter and thermal maturity of Mesozoic and Cenozoic sedimentary rocks in the East Herzegovina region of the External Dinarides. Representative, organic-rich samples from outcropping sedimentary rocks of different ages in the area (Triassic to Neogene) were selected and analysed. The organic matter was studied by Rock-Eval pyrolysis and under the microscope in reflected non-polarized light and incident blue light. The results obtained show the presence of different types of organic ...
    nafta i gas, Rock-Eval, refleksija vitrinita, maceral, termička zrelost
    ... Bouzinos, A., Cardott, J. B., Cook, C. A., Eble, C., Flores, D., Gentzis, T., Goncalves, P. A., Filho Mendoca, G. J., Hamor-Vido, M., Jelonek, I., Kommeren, K., Knowles, W., Kus, J., Mastalerz, M., Menezes, R. T., Newman, J., Oikonomopoulos, K. I., Pawlewicz, M., Pickel, W., Potter, J., Ranasinghe, P ...
    ... Gentzis, T., Goncalves, P. A., Filho Mendoca, G. J., Hamor-Vido, M., Jelonek, I., Kommeren, K., Knowles, W., Kus, J., Mastalerz, M., Menezes, R. T., Newman, J., Oikonomopoulos, K. I., Pawlewicz, M., Pickel, W., Potter, J., Ranasinghe, P, Read, H., Reyes, J., De La Rosa Rodriguez, G., Viegas Alves Fernandes ...
    ... Espitalié, J., Deroo, G. & Marquis, F., 1985. La pyrolyse Rock-Eval et ses applications. Deuxième partie. Oil & Gas Science and Technology. L’Institut Français du Pétrole Energies Nouvelles, 40: 755–784. Espitalié, J., Laporte, J. L., Madec, M., Marquis, F., Leplat, P., Poulet, J. & Boutefeu, ...

  • Adsorption and degradation of some psychiatric drugs by sol-gel synthesized titania-based photocatalysts: influence of tungsten and sodium content

    Nina L. Finčur, Maja J. Šćepanović, Mirjana Grujić-Brojčin, Biljana F. Abramović, Jugoslav B. Krstić, Aleksandar Kremenović, Tatjana Srećković, Aleksandar Golubović (2019)
    Mesoporous anatase nanopowders were doped with 0.05−0.5 mol% of W6, in order to obtain more efficient photocatalyst than TiO2 Degussa P25 in the degradation of amitriptyline (AMI) under simulated solar irradiation (SSI). Dominant XRPD peaks were ascribed to anatase phase, with additional peaks which could correspond to brookite, TiO2 bronze and sodium titanate, Na2Ti9O19. The Raman scattering measurements have confirmed anatase as dominant phase, with broad Raman feature at ~270 cm−1 possibly related to Ti–O–Na stretching vibration. All W-doped ...
    Sol-gel synthesis, Doped titania nanopowders, XRPD, Raman spectroscopy, Adsorption and photocatalytic degradation, Psychiatric drugs

  • Model of the Geomagnetic reference field of the Republic of Serbia

    Spomenko J. Mihajlović, Vesna Cvetkov (2024)

  • Mean-based iterative methods for finding multiple roots in nonlinear chemistry problems

    Dejan Ćebić, Nebojša M. Ralević (2021)
    нелинеарне једначине, поступци засновани на срединама, вишеструки корени,

  • 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