Претрага
708 items
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Tehnološki aspekti izrade lateralnih bušotina kratkog radijusa
Vladimir J. Žuža (2006)Vladimir J. Žuža. Tehnološki aspekti izrade lateralnih bušotina kratkog radijusa, Beograd:Rudarsko-geološki fakultet, 2006
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Hidrogeoekološki aspekti aksploatacije uglja u Pelagonijskom basenu (Makedonija)
Kostadin J. JOVANOV (2016)Kostadin J. JOVANOV. Hidrogeoekološki aspekti aksploatacije uglja u Pelagonijskom basenu (Makedonija), Beograd:Rudarsko Geološki Fakultet, 2016
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A survey of greenhouse gases production in central European lignites
Anna Pytlak, Anna Szafranek-Nakonieczna, Weronika Goraj, Izabela Śnieżyńska, Aleksandra Krążała, Artur Banach, Ivica Ristović, Mirosław Słowakiewicz, Zofia Stępniewska (2021)... ‘Adamów’ brown coal mines. J. Ecol. Eng. 16, 138–143. https:// doi.org/10.12911/22998993/60470. Gläßer, C., Groth, D., Frauendorf, J., 2011. Monitoring of hydrochemical parameters of lig- nite mining lakes in Central Germany using airborne hyperspectral casi-scanner data. Int. J. Coal Geol. 86, 40–53. ...
... nadkladu w Koninskim Zaglebiu Wegla Brunatnego, Przeglad Geologiczny. Myhre, G., Shindell, D., Bréon, F., Collins, W., Fuglestvedt, J., Huang, J., Koch, D., Lamarque, J., Lee, D., Mendoza, B., Nakajima, T., Robock, A., Stephens, G., Takemura, T., Zhan, H., 2013. Anthropogenic and natural radiative forcing ...
... measures. Geomicrobiol J. 31, 737–747. https://doi.org/10.1080/01490451.2014.889783. Pytlak, A., Sujak, A., Szafranek-Nakonieczna, A., Grzadziel, J., Banach, A., Goraj,W., Galazka, A., Gruszecki, W.I., Stepniewska, Z., 2020a. Water-induced molecular changes of hard coals and lignites. Int. J. Coal Geol. 224 ...Anna Pytlak, Anna Szafranek-Nakonieczna, Weronika Goraj, Izabela Śnieżyńska, Aleksandra Krążała, Artur Banach, Ivica Ristović, Mirosław Słowakiewicz, Zofia Stępniewska. "A survey of greenhouse gases production in central European lignites" in Science of The Total Environment, Elsevier (2021). https://doi.org/10.1016/j.scitotenv.2021.149551
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Model za određivanje efikasnosti odvodnjavanja bunarima na primeru površinskog kopa «Drmno»
Anđica J. Kričković (2003)Anđica J. Kričković. Model za određivanje efikasnosti odvodnjavanja bunarima na primeru površinskog kopa «Drmno», Beograd:Rudarsko-geološki fakultet, 2003
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Kristalografsko ispitivanje nefelinskih i karnegitskih faza dobijenih postupkom termalne transformacije sintetičkih zeolita
Predrag J. Vulić (2005)Predrag J. Vulić. Kristalografsko ispitivanje nefelinskih i karnegitskih faza dobijenih postupkom termalne transformacije sintetičkih zeolita, Beograd:Rudarsko-geološki fakultet, 2005
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Fizičko-geografske karakteristike vulkana Teide na Kanarskim ostrvima
Radovanović D., Srećković -Batoćanin D., Valjarević A., Ivanović R., Veselinović J.. "Fizičko-geografske karakteristike vulkana Teide na Kanarskim ostrvima" in 4. Srpski Kongres geografa, Kopaonik 7-9.oktobar (2015)
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Razvoj metodologije zaštite izvorišta podzemnih voda primenom karata ranjivosti
Vladimir J. ŽIVANOVIĆ (2016)zaštita podzemnih voda, izvorište podzemnih voda, zone sanitarne zaštite, TDM metoda, kretanje podzemnih vodaVladimir J. ŽIVANOVIĆ. Razvoj metodologije zaštite izvorišta podzemnih voda primenom karata ranjivosti, Beograd:Rudarsko Geološki Fakultet, 2016
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Osnovi hidrogeologije
Petar Dokmanović (2021)... hydrogen, oxygen and carbon, International contributions to hydrogeology, Vol. 25, IAH 62. Nikolić P, Petković K (1981): Osnovi geologije, Naučna knjiga, Beograd. 168 O s n o v i h i d r o g e o l o g i j e 63. Novakovski SK, Lapcevic AP, Sudicky AE (2007): Groundwater Flow and Solute Transport ...
... York 8. Davis, N. S. & De Wiest, R. J. M. (1966): Hydrogeology, New York/ London/ Sydney. 9. Delleur J, (2007): Ellementary Groundwater flow and transport processes, In: The Handbook of Groundwater Engineering (sec. edition), 3.1-3.42, Editor: Delleur J , CRC Press Taylor and Francis group, Boca ...
... of Groundwater, In: The Handbook of Groundwater Engineering (sec. edition), Editor: Delleur J , CRC Press Taylor and Francis group, Boca Raton-London-New York 47. Lehr J., Scott H., Gallagher B. & Voytek J. (1988): Design and construction of water wells, Van Nostrand Reinhold, New York 48. Ljvovič ...Petar Dokmanović. Osnovi hidrogeologije, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet, 2021
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Идејно решење заштите површинског копа ,,Дрмно" од вода у периоду од 2030. године до краја експлоатације
Јован Киселчић (2024)Системи одводњавања на површинским коповима као и други технички системи морају успешно извршавати своју функцију и са свим својим елементима издржавати сва предвиђена напрезања,а при томе бити једноставни и економични.Функција система одводњавања је да спречи доток, пре свега, подземних вода у површински коп и да у одређеном времену испумпа задате количине воде.У овом раду приказани системи одводњавања на површинском копу ,,Дрмно" у периоу од 2023.године до краја експлоатације и то систем одводњавања подземних вода и систем одводњавања површинских вода.На ...... eJIČKTDOHNIDOBOJUPBHBOCT BOJIĆ H3 J[pMHCKeE H3JaHH JE OKO H H3HaJL MaKCHMAJIHO J\03BOJbeHe BpeJiHocTu oJ 1000 uS/cm; yKyrHH0 rBo»Klje (Fe) – oHo Iro KapakTepurre J[pMHckKy H3JlaH je noBehaH cajnp:xaj TBOxxXlja H MaHraHa y 3HauajHHM KOHICHTPpaHJaMa, OJL MaKCHMAJIHO J[O3BOJbeHHX KOHneHrTpanuja 3a ...
... Ma y J(eJOBHMa TepeHa OKO TIOBPIHHHCKOT KOra /J[pMH0o, TJie IIOCTOJH OBOJUĐbCHOCT y IIJIHOKBapTapHHM IIIJEByHKOBHMAa H TIČCKOBHMA, KaO H y JIeJIOBHMa TepeHa TJI IIOCTOJH IHpeKTHa XHpaylnmHukKa Be3a H3JlaHH y TIOBJIATH H HOJUHHH II yrJbeHOr cCJIOJa HMaMO Behu cajlpxkaj cyar(para, MOK ce y J(eJIOBHMa ...
... /lyHantia, ripekHHyT Je rpoTHnaj peuHax BojJta J[yHapneM. Kopuro /lyHaBia je cana IIpeceueHO H IIpeKO HOBOT CIIOJHOT KaHajma 4 mnoBe3aHo ca KaHajiIoM 4-1. Peka Miaiana ce bopmupa y 2KaryOunu o)j1i BoJla cHa)xKHOT KapcTHor Bpcja. OJ Ilerpopna na Jo cBor ymriha y J{yHaB, rpejnicraBJba paBHHuapcky peky Koja ...Јован Киселчић. Идејно решење заштите површинског копа ,,Дрмно" од вода у периоду од 2030. године до краја експлоатације, 2024
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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... 1 min max , 2,3, , max j j j k j k j j j j k x k x k x k x k k j m k x k x k (3.31) Gde j k zadovoljava navedene aksiome, a je koeficijent diskriminacije [GUO85], i 0,1 ; dok je , , 1( ) | ( ) ( ) | .j jk x k x k Interval mere ...
... podataka. Relativna greška izraţena u procentima (RPE(j,k)) i srednja relativna greška izraţena u procentima (ARPE(j,k)) su: 0 0 0 0 0 0 2 100% 1 100 ˆ ˆ % 1 j j j n j j k j x k x k RPE x k Error x k x k ARPE n x k ...
... jednaĉina MGM(1, m) prvog reda je: 1 1 11 1 2 m j j j dx k ax k b x k dk (3.19) Saglasno sa MGM(1, m), konstruisana AGO sekvenca je: 0 1 1 1 1 2 m j j j x k az k b z k (3.20) Konstruisana AGO sekvenca moţe biti ...Svetlana M. Štrbac-Savić. "Prognoza operativne efikasnosti aktivnog podzemnog rudnika zasnovana na teoriji sivih sistema" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-06-10)
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Formaciono-mineragenetska analiza karbonatnih sedimenata Jadransko-jonske zone Crne Gore kao sirovinske baze ukrasnog građevinskog kamena
Dragan J. Ilić (2004)Dragan J. Ilić. Formaciono-mineragenetska analiza karbonatnih sedimenata Jadransko-jonske zone Crne Gore kao sirovinske baze ukrasnog građevinskog kamena, Beograd:Rudarsko-geološki fakultet, 2004
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The Fuzzy–AHP Synthesis Model for Energy Security Assessment of the Serbian Natural Gas Sector
Natural gas is used for the production of almost 20% of total energy today. The natural gas security of the Republic of Serbia is an urgent strategic, political and security issue. Serbia is one of the most vulnerable countries in Southeast Europe, because it only has one supply route. This study is a contribution to efforts to better understand the factors affecting energy security through the implementation of a new methodology based on the fuzzy–AHP synthesis model for measuring ...... ј Е − − ј Е − − ј Е − − ј Е − − ј Е − − ј Е − − ј Е − − ј Е ...
... IEF = 40 m3/€ for the class j = 10 was found for the natural gas sector, as well as the minimum value of the economic feasibility Index IEF = 1 m3/€ for the class j = 1. The remaining values for class j are: j = 2 IEF = A2min + (A2max − A2min)/9 = 1+(40 − 1)/9 = 5.333 j = 3 IEF = A2j=2 + (A2max − A2 ...
... 1)/9 = 9.667 j = 4 IEF = A2j=3 + (A2max − A2 min)/9 = 9.667 + (40 − 1)/9 = 14.000 j = 5 IEF = A2j=4 + (A2max − A2 min)/9 = 14.000 + (40 − 1)/9 = 18.333 j = 6 IEF = A2j=5 + (A2max − A2 min)/9 = 18.333 + (40 − 1)/9 = 22.667 j = 7 IEF = A2j=6 + (A2max − A2min)/9 = 22.667 + (40 − 1)/9 = 27.000 j = 8 IEF = A2j=7 ...Aleksandar R. Madžarević, Dejan D. Ivezić, Miloš L. Tanasijević, Marija A. Živković. "The Fuzzy–AHP Synthesis Model for Energy Security Assessment of the Serbian Natural Gas Sector" in Symmetry, MDPI AG (2020). https://doi.org/10.3390/sym12060908
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Gate Road Support Deformation Forecasting Based on Multivariate Singular Spectrum Analysis and Fuzzy Time Series
Luka Crnogorac, Rade Tokalić, Zoran Gligorić, Aleksandar Milutinović, Suzana Lutovac, Aleksandar Ganić (2021)Underground mining engineers and planners in our country are faced with extremely difficult working conditions and a continuous shortage of money. Production disruptions are frequent and can sometimes last more than a week. During this time, gate road support is additionally exposed to rock stress and the result is its progressive deformation and the loss of functionality of gate roads. In such an environment, it is necessary to develop a low-cost methodology to maintain a gate road support system. ...deformacije podgrade, lasersko skeniranje, višekanalna singularna spektralna analiza, prognoza, klasterisanje fuzzy vremenskih serija... on stage were also used for the forecasting purpose. Vector U(i)∇ j , j = 1, 2, composed of the first Li−1 components of the vector U(i) j , j = 1, 2, 3, 4, is represented in Table 11. Table 11. Components of the vector U(i) j , j = 1, 2. Marker UV 1 UV 2 1 0.0011 −0.0570 0.0020 −0.0639 2 0.0016 ...
... . . . . . . . . . . . . 19 0.2072 −0.0705 0.2065 −0.0628 Vector π(i)j , j = 3, composed of the last component of the vector U(i) j , (i = 1, . . . , M), is represented in Table 12. Table 12. Components of the vector π(i)j , j = 3. Marker UV 1 UV 2 1 0.0029 −0.0640 2 0.0037 −0.0744 . . . . . . ...
... matrix Ỹ(i) obtained from the previous step, whereH is a Hankel operator; assume U(i)∇ j denotes the vector of the first Li−1 components of the vector U(i) j and π (i) j is the last component of the vector U(i) j (i = 1, . . . , M); select the number of r eigentriples for the reconstruction stage that ...Luka Crnogorac, Rade Tokalić, Zoran Gligorić, Aleksandar Milutinović, Suzana Lutovac, Aleksandar Ganić. "Gate Road Support Deformation Forecasting Based on Multivariate Singular Spectrum Analysis and Fuzzy Time Series" in Energies, MDPI (2021). https://doi.org/https://doi.org/10.3390/en14123710
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Direct selective lead, copper and zinc minerals flotation from polymetallic ore “Podvirovi”
Lazić Predrag, Vučinić Dušica, Stanojev J., Micović B.. "Direct selective lead, copper and zinc minerals flotation from polymetallic ore “Podvirovi”" in Journal of Mining Science 46 no. 6, :Elsevier (2010): 690-694
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Numerical Models of Debris Flows with Entrainment Analysis-Case Studies from the Republic of Serbia
The results of material entrainment analysis in RAMMS debris flow software, as well as numerical models of final flow heights for two case studies from the Republic of Serbia are presented. Both of debris flow cases started with initial sliding of huge volume block, prolonging to behave as flowing process. Results of the analysis showed that entrainment material affects final results of transportation model, runout distance, deposition area and volume of debris flow. In both cases entrainment volume is very ...Jelka Krušić , Biljana Abolmasov, Miloš Marjanović. "Numerical Models of Debris Flows with Entrainment Analysis-Case Studies from the Republic of Serbia" in Understanding and Reducing Landslide Disaster Risk. WLF 2020. ICL Contribution to Landslide Disaster Risk Reduction, Springer, Cham (2021). https://doi.org/10.1007/978-3-030-60706-7_25
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A Model for Determining Fuzzy Evaluations of Partial Indicators of Availability for High-Capacity Continuous Systems at Coal Open Pits Using a Neuro-Fuzzy Inference System
This paper presents a model for determining fuzzy evaluations of partial indicators of the availability of continuous systems at coal open pits using a neuro-fuzzy inference system. The system itself is a combination of fuzzy logic and artificial neural networks. The system availability is divided into partial indicators. By combining the fuzzy logic and artificial neural networks, a model is obtained that has the ability to learn and uses expert judgment for that learning. This paper deals with the ...системи, континуални системи експлоатације (роторни багер-транспортер-дробилично постројење), рударство, расположивост, меко рачунарство, фази логика, ANN, ANFISMiljan Gomilanović, Miloš Tanasijević, Saša Stepanović, Filip Miletić. "A Model for Determining Fuzzy Evaluations of Partial Indicators of Availability for High-Capacity Continuous Systems at Coal Open Pits Using a Neuro-Fuzzy Inference System" in Energies, MDPI AG (2023). https://doi.org/10.3390/en16072958
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Overcoming the Low Oral Bioavailability of Deuterated Pyrazoloquinolinone Ligand DK-I-60-3 by Nanonization: A Knowledge-Based Approach
Jelena R. Mitrović , Branka Divović-Matović, Daniel E. Knutson, Jelena B. Ðoković, Aleksandar Kremenović, Vladimir D. Dobričić, Danijela V. Randjelović, Ivana Pantelić, James M. Cook, Miroslav M. Savić, Snežana D. Savić (2021)Poor water solubility of new chemical entities is considered as one of the main obstacles in drug development, as it usually leads to low bioavailability after administration. To overcome these problems, the selection of the appropriate formulation technology needs to be based on the physicochemical properties of the drug and introduced in the early stages of drug research. One example of the new potential drug substance with poor solubility is DK-I-60-3, deuterated pyrazoloquinolinone, designed for the treatment of various neuropsychiatric ...... for the treatment of psychiatric illnesses. J. Control Release 2016, 223, 137–156. [CrossRef] [PubMed] 8. Peltonen, L.; Hirvonen, J. Pharmaceutical nanocrystals by nanomilling: Critical process parameters, particle fracturing and stabilization methods. J. Pharm. Pharmacol. 2010, 62, 1569–1579. [CrossRef] ...
... L.; Tyner, K.M. Development considerations for nanocrystal drug products. AAPS J. 2017, 19, 642–651. [CrossRef] [PubMed] 10. Gao, L.; Liu, G.; Ma, J.; Wang, X.; Zhou, L.; Li, X. Drug nanocrystals: In vivo performances. J. Control Release 2012, 160, 418–430. [CrossRef] [PubMed] 11. O’Shea, J.P.; Holm ...
... [CrossRef] 17. Wu, L.; Zhang, J.; Watanabe, W. Physical and chemical stability of drug nanoparticles. Adv. Drug Deliv. Rev. 2011, 63, 456–469. [CrossRef] 18. Li, J.; Wang, Z.; Zhang, H.; Gao, J.; Zheng, A. Progress in the development of stabilization strategies for nanocrystal preparations. Drug Deliv ...Jelena R. Mitrović , Branka Divović-Matović, Daniel E. Knutson, Jelena B. Ðoković, Aleksandar Kremenović, Vladimir D. Dobričić, Danijela V. Randjelović, Ivana Pantelić, James M. Cook, Miroslav M. Savić, Snežana D. Savić. "Overcoming the Low Oral Bioavailability of Deuterated Pyrazoloquinolinone Ligand DK-I-60-3 by Nanonization: A Knowledge-Based Approach" in Pharmaceutics, MDPI, Basel, Switzerland (2021). https://doi.org/10.3390/pharmaceutics13081188
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Pleistocena small Vertebrate studies in Serbia (Balkan Peninsula, SE Europe): State of the Art and Perspectives
Jovanović Mihajlo, Đurič Dragana, Bogićević Katarina, Nenadić Draženko, Agustí J., Blain H.-A (2018)Jovanović Mihajlo, Đurič Dragana, Bogićević Katarina, Nenadić Draženko, Agustí J., Blain H.-A. "Pleistocena small Vertebrate studies in Serbia (Balkan Peninsula, SE Europe): State of the Art and Perspectives" in Abstract book of the XVI Annual Meeting of the European Association of Vertebrate Palaeontology, Caparica, Portugal June 26th-July 1st, Caparica, Portugal: (2018): 90-90
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Pleistocena small Vertebrate studies in Serbia (Balkan Peninsula, SE Europe): State of the Art and Perspectives
Jovanović Mihajlo, Đurič Dragana, Bogićević Katarina, Nenadić Draženko, Agustí J., Blain H.-A (2018)Jovanović Mihajlo, Đurič Dragana, Bogićević Katarina, Nenadić Draženko, Agustí J., Blain H.-A. "Pleistocena small Vertebrate studies in Serbia (Balkan Peninsula, SE Europe): State of the Art and Perspectives" in Abstract book of the XVI Annual Meeting of the European Association of Vertebrate Palaeontology, Caparica, Portugal June 26th-July 1st, Caparica, Portugal : (2018): 90-90
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A contribution to the knowledge of facial diversity of Badenian sediments in the Belgrade area
Filip Anđelković, Dejan Radivojević (2018)... Anđelković, J., 1997. Badenski ciklusi u Srbiji. Geološki anali Balkanskog poluostrva, 61 (2), 1–13. Gruber, B., 1988. Mineraliensammlung E. W. Ricek. Oberösterreichischer Musealverein – Gesellschaft für Landeskunde, 80–110. 236 Marović, M., Toljić, M., Rundić, Lj., Milivojević, J., 2007. N ...
... facija: tašmajdanski krečnjaci, rakovički peskovi, višnjičke gline, konjarnički pteropodski šlir (Anđelković, M., 1987; Anđelković M. & An‐ đelković J., 1997). U dosadašnjim interpretacijama postoje izvesne razlike, bilo u geografskom raspro‐ stranjenju, bilo u samoj odredbi starosti ...
... Na slici 1 prikazana je paleogeografsko‐facijalna karta sa rasprostranjenjem facija prema Stevanoviću (1974). Anđelković M. i Anđelković J. (1997) su u svom radu badenske sedimente Srbije podelili u dva ciklusa sedimentacije, gornji i donji. Prema njihovom shvatanju, facije tašmajdanski ...Filip Anđelković, Dejan Radivojević. "A contribution to the knowledge of facial diversity of Badenian sediments in the Belgrade area" in 17th Serbian Geological Congress, Vrnjačka Banja, 17-20 maj 2018, Srpsko geološko društvo (2018)