Претрага
739 items
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Optimizacija i planiranje površinskih kopova stohastičkim modelima
Dejan R. Stevanović (2015-05-29)Savremeno rudarstvo izloženo je stalnom trendu pogoršanja uslova poslovanja.Mogućnost ostvarenja ekonomskih i drugih ciljeva rudarskog projektakompromitovana je stalnim pogoršanjem kvaliteta ležišta na kojima se vršieksploatacija, kao i značajnoj dozi neizvesnosti povezane sa geološkim,ekonomskim i tehničkim parametrima proizvodnje. U ovako kompleksnimuslovima poslovanja, matematički modeli sposobni da odgovore značajnimizazovima, odnosno ponude optimalna rešenja kojima se garantuje maksimalnoispunjenje projektovanih ciljeva, nameću se kao neophodnost.Trenutni, konvencionalni pristup optimizaciji i planiranju površinskih kopovazasniva se na algoritmima, razvijenim sredinom prošlog veka čije je opšteobeležje deterministički ...površinski kop, planiranje, optimizacija, stohastički modeli, kontrola kvaliteta uglja, neizvesnost.... otkopani u prethodnim vremenskim periodima. − ≤ 0 (4.11) za svako t, n i l, pri čemu je: l - indeks blokova koji se nalaze iznad razmatranog i moraju biti prethodno otkopani, l = 1, 2, ..., L. Model treba da ima T × N × L ograničenja ovog tipa. Ova ograničenja se mogu zapisati u sažetom obliku sa ...
... tehničkih karakteristika opreme. Slojevi se mogu onda prikazati kao matrica: mnmm n n XXX XXX XXX L MOMM L L 21 22221 11211 (5.13) gde je m broj odloženih slojeva, l dužina deponija, a n=l/d. Neka je zapremina uzetog uglja sa sloja i u odsečku j označena sa vij. Srednji DTE uzetog uglja u odsečku ...
... iznad razmatranog i moraju biti prethodno otkopani, / = 1, 2,..., L. Model treba da ima T x N x L ogranicenja ovog tipa. Ova ogranicenja se mogu zapisati u sazetom obliku sa manjim brojem ogranicenja: M L M t x(d xm) Yarn) se (4.12) m=1 l=1 za svako tin. Ramazan i dr. (2004) su pokazali je resavanje problema ...Dejan R. Stevanović. "Optimizacija i planiranje površinskih kopova stohastičkim modelima" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-05-29)
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Sinteza i strukturna karakterizacija mikroporoznih arsenata i fosfata
Sabina Z. Kovač (2015-09-28)Predmet rada i istraživanja ove doktorske disertacije su sinteza i strukturnekarakteristike novih kristalnih arsenata i fosfata koji sadrže Mg, K, Ca, Mn, Fe, Co, Ni,Cu, Zn, Sr, Ba i druge katjone. U strukturama arsenata i fosfata, AsO4- i PO4-tetraedrinajčešće se vezuju sa tetraedarski ili oktaedarski koordinisanim katjonima prelaznihmetala formirajući otvorene strukture (slojeve ili 3D mreže) sa širokim opsegomrazličitih topologija. U šupljinama ili porama u obliku povezanih ili nepovezanihkanala, tunela, kaveza i međuslojnog prostora mogu se ugraditi različiti vanmrežni joni(obično ...... Harrison, W. T. A., Broach, R. W., Bedard, R. L., Gier, T. E., Bu, X., Stucky, G. D. (1996) Chem. Mater. 8, 691–700. 71. Harrison, W. T. A., Phillips, M. L. F., Bu, X. H. (2000) Micropor. Mesopor. Mat. 39, 359–365. 72. Harrison, W. T. A., Phillips, M. L. F., Chavez, A. V., Nenoff, T. M. (1999) J ...
... Y. Z., Zheng, L. M. (2008) Cryst. Growth Des. 8, 2950–2953. Sinteza i strukturna karakterizacija mikroporoznih arsenata i fosfata Sabina Z. Kovač 155 97. Li, L., Sun, D., Tian, G., Song, X., Sun, S. (2009) Cryst. Res. Technol. 44, 331–335. 98. Liu, L., Kong, Y., Xu ...
... 1091–1100. 14. Baruah, T., Pederson, M. R., Zope, R. R., Beltrán, M. R. (2004) Chem. Phys. Lett. 387, 476–480. 15. Batista de Carvalho, L. A. E., Lourenco, L. E., Marques, M. P. M. (1999) J. Mol. Struct. 482–483, 639–646. Sinteza i strukturna karakterizacija mikroporoznih arsenata i fosfata ...Sabina Z. Kovač. "Sinteza i strukturna karakterizacija mikroporoznih arsenata i fosfata" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-09-28)
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Rockfall Monitoring Based on Surface Models
Bogdanović Snežana, Marjanović MIloš, Abolmasov Biljana, Đurić Uroš, Basarić Irena. "Rockfall Monitoring Based on Surface Models" in Surface models for geosciences, Ostrava, Czech Republic:Springer (2015): 37-44. https://doi.org/10.1007/978-3-319-18407-4
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Automatic construction of a morphological dictionary of multi-word units
The development of a comprehensive morphological dictionary of multi-word units for Serbian is a very demanding task, due to the complexity of Serbian morphology. Manual production of such a dictionary proved to be extremely time-consuming. In this paper we present a procedure that automatically produces dictionary lemmas for a given list of multi-word units. To accomplish this task the procedure relies on data in e-dictionaries of Serbian simple words, which are already well developed. We also offer an evaluation ...electronic dictionary, Serbian, morphology, inflection, multiwordn units, noun phrases, query expansion... Ivan Obradović, Duško Vitas, Miloš Utvić Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Automatic construction of a morphological dictionary of multi-word units | Cvetana Krstev, Ranka Stanković, Ivan Obradović, Duško Vitas, Miloš Utvić | Lecture Notes in Computer ...Cvetana Krstev, Ranka Stanković, Ivan Obradović, Duško Vitas, Miloš Utvić. "Automatic construction of a morphological dictionary of multi-word units" in Lecture Notes in Computer Science 6233, Advances in Natural Language Processing, Proceedings of the 7thInternational Conference on NLP, IceTAL 2010, Reykjavik, Iceland, August 2010, Springer (2010): 226-237. https://doi.org/10.1007/978-3-642-14770-8_26
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Mechanism and Dynamics of Umka Landslide, Belgrade, Serbia
Abolmasov Biljana, Milenković Svetozar, Jelisavac Branko, Đurić Uroš, Marjanović Miloš. "Mechanism and Dynamics of Umka Landslide, Belgrade, Serbia" in Landslide science for a safer geoenvironment - the international programme on landslides (IPL) 1, Berlin, Germany:Springer (2014): 297-302. https://doi.org/10.1007/978-3-319-04999-1_41
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IPL Project 181: Study of Slow Moving Landslide Umka Near Belgrade, Serbia
Abolmasov Biljana, Milenković Svetozar, Jelisavac Branko, Đurić Uroš, Marjanović Miloš. "IPL Project 181: Study of Slow Moving Landslide Umka Near Belgrade, Serbia" in Landslide science for a safer geoenvironment - the international programme on landslides (IPL) 1, Berlin, Germany:Springer International Publishing (2014): 75-80. https://doi.org/10.1007/978-3-319-04999-1_5
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Portable geotechnics-using android smart phones and tablets for geotechnical filed investigations
Đurić Uroš, Abolmasov Biljana, Petrović Dragana, Marjanović Miloš, Kuzmić Petar. "Portable geotechnics-using android smart phones and tablets for geotechnical filed investigations" in Proceeding of 13th International Multidisciplinary Scientific Conference SGEM 2013, Section-Informatics, Geoinformatics, Cartography and GIS 8 no. 1, Albena, Bulgaria :BASCI (2013): 513-520. https://doi.org/10.5593/sgem2013
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Basic kinematic analysis of rock slope using terrestrial 3D laser scanning on the M-22 highroad pilot site
Marjanović Miloš, Abolmasov Biljana, Đurić Uroš, Zečević Snežana, Šušić Vladimir. "Basic kinematic analysis of rock slope using terrestrial 3D laser scanning on the M-22 highroad pilot site" in Proceedings of the EUROCK 2013 – Rock mechanics for resources, Energy and Environment, 23-26. september 2013., Wroclaw, Poland 2 no. 1, Wroclaw, Poland:Taylor&Francis Group London (2013): 679-683
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Applying terrestrial laser scanning in geotechnical engineering
Bogdanović Snežana, Marjanović Miloš, Abolmasov Biljana, Đurić Uroš, Pejić Marko. "Applying terrestrial laser scanning in geotechnical engineering" in Proceedings of 4th International Symposium of Macedonian Association for Geotechnics 1 no. 1, Struga, FYROM:Faculty of Civil Engineering, Skopje, Republic of Macedonia (2014): 337-342
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Landslide events in Serbia in May 2014: An overview
Marjanović Miloš, Abolmasov Biljana, Đurić Uroš, Bogdanović Snežana, Krautblatter Michael. "Landslide events in Serbia in May 2014: An overview" in Abstract book - 2nd Regional Symposium on Landslides in the Adriatic-Balkan Region - 2nd ReSyLAB 2015 1 no. 1, Beograd, Srbija:University of Belgrade, Faculty of Mining and Geology, Belgrade (2015): 157-157
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Geotehnički uslovi fundiranja mosta preko Kameničke reke
Rakić Dragoslav, Stevanović Miloš, Berisavljević Zoran, Basarić Irena, Janković Jovana. "Geotehnički uslovi fundiranja mosta preko Kameničke reke" in Zbornik radova sa šestog naučno-stručnog međunarodnog savetovanja - Geotehnički aspekti građevinarstva, Vršac:Savez građevinskih inženjera Srbije (2015): 83-92
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Using previously polluted sites for waste storage, Prahovo phosphogypsum storage case study
Knežević Dinko, Lilić Nikola, Nišić Dragana, Stanić Miloš, Kuzmanović Vladan. "Using previously polluted sites for waste storage, Prahovo phosphogypsum storage case study" in Proceedings of the 5th International Symposium Mining and Environmental Protection, Vrdnik:Faculty of Mining and Geology, University of Belgrade (2015): 356-365
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Landslide Disaster and Relief Activities: A Case Study of Urban Area of Doboj City
Sandić Cvjetko, Abolmasov Biljana, Marjanović Miloš, Begović Petar, Jolović Branko. "Landslide Disaster and Relief Activities: A Case Study of Urban Area of Doboj City" in Advancing Culture of Living with Landslides, Proceedings of 4th World Landslide Forum, Ljubljana 29 May-02 June 2017 3, Berlin:Springer Interantional (2017): 383-393. https://doi.org/DOI 10.1007/978-3-319-53487-9_
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Massive Landsliding in Serbia Following Cyclone Tamara in May 2014 (IPL-210)
Abolmasov Biljana, Marjanović Miloš, Đurić Uroš, Krušić Jelka, Andrejev Katarina. "Massive Landsliding in Serbia Following Cyclone Tamara in May 2014 (IPL-210)" in Advancing Culture of Living with Landslides, Proceedings of 4th World Landslide Forum, Ljubljana 29 May-02 June 2017 1, Berlin:Springer Interantional (2017): 473-484. https://doi.org/DOI 10.1007/978-3-319-59469-9_
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Relative Landslide Risk Assessment for the City of Valjevo
Andrejev Katarina, Krušić Jelka, Đurić Uroš, Marjanović Miloš, Abolmasov Biljana. "Relative Landslide Risk Assessment for the City of Valjevo" in Advancing Culture of Living with Landslides, Proceedings of 4th World Landslide Forum, Ljubljana 29 May-02 June 2017 3, Berlin:Springer Interantional (2017): 525-523. https://doi.org/DOI 10.1007/978-3-319-53483-1_
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Landslide events in Serbia in May 2014: An overview
Marjanović Miloš, Abolmasov Biljana, Đurić Uroš, Bogdanović Snežana, Krautblatter Mihael. "Landslide events in Serbia in May 2014: An overview" in Procedings of 2nd Regional Symposium on Landslides in the Adriatic-Balkan Region - 2nd ReSyLAB 2015 1, Beograd:Rudarsko-geološki fakultet Univerziteta u Beogradu (2017): 239-244
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Sulfati bakra i gvožđa kao produkti raspadanja poliranog uzorka borske rude,
Dabić Predrag, Kovač Sabina, Zdravković Alena, Miloš Sofija, Batoćanin Natalija,. "Sulfati bakra i gvožđa kao produkti raspadanja poliranog uzorka borske rude," in 17. Kongres geologa Srbije: Zbornik apstrakata (Nacionalni kongres s međunarodnim učešćem), 17-20. Maj, Vrnjačka Banja 1, Beograd:Srpsko geološko društvo (2018): 45-47
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Jointed rock mass characterization using field and point-cloud data
Marjanović Miloš, Pejić Marko, Đurić Uroš, Krušić Jelka, Abolmasov Biljana. "Jointed rock mass characterization using field and point-cloud data" in Geomechanics and Geodynamics of Rock Masses. Proceedings of the 2018 European Rock Mechanics Symposium. 1, :CRC Press, Taylor and Francis Group (2018): 319-324
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Rockfall simulation on a rock slope along E75 road at km 890+725 to 891-093
Abolmasov Biljana, Marjanović Miloš, Milenković Svetozar, Pejić Marko, Berisavljević Zoran. "Rockfall simulation on a rock slope along E75 road at km 890+725 to 891-093" in Proceedings of the 16th Danube-European Conference on Geotechnical Engineering-Geotechnical hazards and risks: Experiences and practices, Skopje, Republic of Macedonia 1, :Willey Ernst and Sons (2018): 269-274
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Building objects and households inventorying for the purpose of risk estimation on the Umka landslide near Belgrade
Đurić Uroš, Marjanović Miloš, Abolmasov Biljana, Radić Zoran, Jelisavac Branko. "Building objects and households inventorying for the purpose of risk estimation on the Umka landslide near Belgrade" in Abstract Book 17th Serbian Geological Congress, May 17‐20, Vrnjačka Banja 2, Beograd:Srpsko geološko društvo (2018): 668-669