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Упит dcterms_subject_txt:Named Entity Recognition Systems

554 items

  • 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

  • Hydrogeochemistry of Uranium in the Groundwaters of Serbia

    Marina Ćuk, Maja Todorović, Petar Papić, Jovan Kovačević, Zoran Nikić (2015)

  • Analiza pouzdanosti dozera angažovanih na površinskim kopovima RB Kolubara

    Filip Miletić, Dragan Milčić, Miloš Tanasijević, Miloš Milovančević (2021)
    U radu je izvršena uporedna analiza pouzdanosti transportnih sistema dozera koji rade na površinskim kopovima Rudarskog basena Kolubara. Period za koji je vršena analiza je prvih deset godina eksploatacije. Efikasnost tehnološkog procesa na otkopavanju korisne mineralne sirovine i otkrivke u velikoj meri zavisi od rada dozera. Iskorišćene su matematičke metode za aproksimaciju i identifikaciju zabeleženih vremena u radu, kako bi se dobili analitički pokazatelji pouzdanosti. Na ovaj način se bitno podiže kvalitet upravljanja procesom eksploatacije i održavanja mašina na ...
    dozeri, pouzdanost, kolubarski ugljeni basen
    ... Ključne reči: dozeri, pouzdanost, kolubarski ugljeni basen Abstract: The paper presents a comparative reliability analysis of the dozers transport systems which working on the open pit mines of the Kolubara Mining Basin. Analysis period is first ten years of exploitation. Efficiency of process on excavation ...

  • Understanding partitioning of deformation in highly arcuate orogenic systems: Inferences from the evolution of the Serbian Carpathians

    Nemanja Krstekanić, Liviu Matenco, Marinko Toljić, Oleg Mandić, Uroš Stojadinović, Ernst Willingshofer (2020)
    orogeneza, oroklini, višesmerna ekstenzija, transkurentna kretanja, Srpski Karpati
    ... Измењено: 2023-10-14 04:29:59 Understanding partitioning of deformation in highly arcuate orogenic systems: Inferences from the evolution of the Serbian Carpathians Nemanja Krstekanić, Liviu Matenco, Marinko Toljić, Oleg Mandić, Uroš Stojadinović, Ernst Willingshofer ...
    ... репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Understanding partitioning of deformation in highly arcuate orogenic systems: Inferences from the evolution of the Serbian Carpathians | Nemanja Krstekanić, Liviu Matenco, Marinko Toljić, Oleg Mandić, Uroš Stojadinović, Ernst ...
    ... the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Understanding partitioning of deformation in highly arcuate orogenic systems: Inferences from the evolution of the Serbian Carpathians Nemanja Krstekanić a,b,*, Liviu Matenco a, Marinko Toljić b, Oleg Mandic c, Uros Stojadinovic ...

  • The correlation of Upper Miocene lithostratigraphic units of the southern part of the Pannonian basin

    Filip Anđelković, Dejan Radivojević (2019)
    gornji miocen, litostratigrafske jedinice, formacije, Panonski basen
    ... 6, pp 1-40 4. Juhász, G., Pogácsás, G., Magyar, I.,, Vakarcs, G., (2007). Tectonic versus climatic control on the evolution of fluvio-deltaic systems in a lake basin, Eastern Pannonian Basin. Sedimentary Geology. 202, pp 72-95 5. Kovačić, M., (2018). Upper Miocene lithostratigraphic units of ...

  • NMR kinetic studies of the interactions between [Ru(terpy)(bipy)(H2O)]2+ and some sulfur-donor ligands

    Aleksandar Mijatović, Biljana Šmit, Ana Rilak, Biljana Petrović, Dragan Čanović, Živadin D. Bugarčić (2012)
    Reakcije supstitucije monofunkcionalnog [Ru(terpi)(bipi)(H2O)]2+ kompleksa, gde je terpi = 2,2′:6′,2″-terpiridin i bipi = 2,2′-bipiridin, sa biološki relevantnim sumporo donorskim ligandima, kao što su tiourea, l-metionin, l-cistein i glutation, proučavane su u vodenim rastvorima tehnikom 1H i 13C NMR spektroskopije. Sve reakcije su proučavajne na pH 7,4, u prisustvu fosfatnog pufera, da bi se oponašalo fiziološko okruženje tokom procesa supstitucije. Reakcije se izvode na 295 K pod uslovima reakcija drugog reda. Uočeni rezultati pokazuju da brzina supstitucije snažno zavisi ...
    Materials Chemistry,Inorganic Chemistry,Physical and Theoretical Chemistry

  • 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
    ... Applying rough sets to market timing decisions, Decision Support Systems 37, 2004, pp. 583– 597. 20. J. Wanga, A.-R. Hedar, S. Wang, J. Mac, Rough set and scatter search metaheuristic based feature selection for credit scoring, Expert Systems with Applications 39, 2012, pp. 6123–6128. 21. J.-W. Liu ...
    ... rate of the electronic industry, Expert Systems with Applications 37, 2010, pp. 610–617. 22. B. S. Ahna, S. S. Chob, C. Y. Kimc, The integrated methodology of rough set theory and artificial neural network for business failure prediction, Expert Systems with Applications 18, 2000, pp. 65–74. ...
    ... approach for the medical diagnosis and prognosis, Expert Systems with Applications 36, 2009, pp. 8932–8937. 36. H. C. Chou, C. H. Cheng, J. R. Chang, Extracting drug utilization knowledge using self- organizing map and rough set theory, Expert Systems with Applications 33, 2007, pp. 499–508. 37. Z ...

  • Towards Better Valorisation of Industrial Minerals andRocks in Serbia—Case Study of Industrial Clays

    Vladimir Simić, Dragana Životić, Zoran Miladinović (2021)
    Management, Monitoring, Policy and Law,Nature and Landscape Conservation
    ... inferred resources and proven, probable and possible reserves, later result- ing in different CRIRSCO family members and UNFC reporting systems. Governmental systems/standards for reporting of exploration results, mineral re- sources and ore reserves in Serbia have not been changed significantly in practice ...
    ... based reporting system is presented in Table 6. In the Serbian classification, as in the whole former Yugoslavia, Soviet and Russian category P is named category D. Serbian reserve categories A, B and C1 may correlate either with measured and indicated resources if the analysis of modifying factors ...
    ... exploration, exploitation, pro- cessing, closure, environmental rehabilitation, and post-closure activities. Similar exploration and reporting systems are still used in former Yugoslav countries [6–14]. In Eastern Europe there are national codes for reporting, which may be CRIRSCO- based (Poland ...

  • Srbija u OneGeology Europe

    Danka Blagojević, Ranka Stanković, Petar Stejić, Velizar Nikolić (2014)
    Геолошки завод Србије као носилац Пројекта ОneGeologyEurope заједно са Рударско геолошким факултетом и Министарством за природне ресурсе, рударство и просторно планирање су се укључили у међународни Пројекат OneGeology Europe у мају 2013. године у већ поодмаклој фази израде Пројекта. До краја 2013. године испунили су завршене активности које треба да доведу до пуноправног укључења у Пројекат чиме је Република Србија нашла своје место на Геолошкој карти Европе 1:1М. Геолошка карта Србије 1:1М представља компилациону односно поједностављену верзију ОГК 1:500 ...
    OneGeologyEurope, метаподаци, хармонизација података, вишејезични мета-информациони систем
    ... Struik, L.C. Quat, M.B. Davenport, P.H. and Okulitch, A.V. (2002): Multi-hierarchical rock classification for use with thematic computer-based query systems, a preliminary scheme. Geological Survey of Canada, Current Research 2002D, 9 p. Тривић, Б., Благојевић, Б. & Станковић, Р. (едитори) (2011): Речник ...
    ... sets have a coherent data structure, to enable web services to read and search the data in the right way. Syntax and data language, as well as systems for data management were implemented in accordance with the OpenGIS (OGS) standards and guidelines. Thus, the process of generating geologic unit ...
    ... Struik, L.C. Quat, M.B. Davenport, P.H. and Okulitch, A.V. (2002): Multi-hierarchical rock classification for use with thematic computer-based query systems, a preliminary scheme. Geological Survey of Canada, Current Research 2002D, 9 p. Тривић, Б., Благојевић, Б. & Станковић, Р. (едитори) (2011): Речник ...

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

    Vladimir Simić, Rade Jelenković, Dragana Životić (2019)
    ... environmental protection and the interest of economic development. Principle of polluters' and legal successors' liability - Any legal or natural entity who shall be involved in environmental pollution by its illegal or improper activities shall be liable in compliance with the law. The polluter ...
    ... exploitation and utilization of mineral resources have been challenged with numerous challenges: economic, societal, ecological, and others. Their recognition and prevention basically depend on the capabilities of state authorities that are responsible for adopting a document of strategic importance — ...
    ... Cvetković, Vladica, Knežević, Vera and Pćcskay Zoltan. 2000. “Tertiary igneous formations of the Dinarides, Vardar Zone and adjacent regions: from recognition to petrogenetic implications.” In Geology and Metallogeny of the Dinarides and the Vardar zone, edited by Stevan, Karamata and Slobodan, Janković ...

  • Effects of Energy Production and Consumption on Air Pollution in Serbia

    Marija Živković (2019)
    Energy production and combustion, mostly from unregulated or inefficient fuel combustion, are the single most important anthropogenic sources of air pollutant emissions. Energy sector in Serbia is highly fossil fuel intensive: 87.88% of energy consumed in Serbia is related to fossil fuels, while almost 95% of energy sources are combusted. In 2017. energy related carbon dioxide emission in Serbia is was 47.95 million tones. The main source of carbon dioxide emission was coal, responsible for almost 70% of energy ...
    energy related emissions, Serbia
    ... buildings are mainly due to the space heating. Related emissions can be reduced by energy rehabilitation of buildings, connection to district heating systems, introduction of more efficient heating options –heat pumps, etc. In 11 is found that the highest energy savings and highest impact to the energy ...
    ... tion of measures aimed to avoid and reduce emissions. For the buildings sector energy rehabilitation of buildings, connection to district heating systems, introduction of more efficient heating options –heat pumps are some of foreseen measures, while in the case of the transport proposed measures are ...

  • Conversion of land areas after coal mine closure and reclamation

    Radmila Gaćina, Bojan Dimitrijević, Sanja Bajić (2023)
    Otkopavanje uglja površinski i podzemno praćeno je degradacijom zemljišta, promenom formiranja predela i izmenom flore i faune. Od velikog značaja je razvoj novih naučno utemeljenih pristupa obnovljanje antropogeno poremećenih predela zasnovanih na formiranju rekultivacionih i rudarskih tehnologija. Apsolutno je neophodno obezbediti sveobuhvatno kvalitetno očuvanje zemljišnih i vodnih resursa i odrediti rekultivisano zemljište za novu namenu. U ovom članku je dat pregled najpopularnijih metoda rekultivacije zemljišta i mogućnosti rekultivacije zemljišta nakon završetka rekultivacije i zatvaranja rudnika uglja.
    rekultivacija, melioracija, revitalizacija, otkopavanje uglja, održivi razvoj
    ... impact - up to date as possible and depending on the intensity/level of disturbance. In most cases it is simply impossible to restore the historical systems due to the changing environmental and habitat conditions, land use claims 252 and societal needs after coal mining. Following the definition of ...
    ... during the operation lifecycle of the coal mine and portions of the site can be used for renewable power production. The application of solar PV systems provides an opportunity for an alternative revenue source. Equally important is that obtaining licenses to operate in the coal mine rehabilitated ...

  • Primena AHP и WoEmetode u proceni podložnosti terena na kliženje za područje opštine Krupanj

    Biljana Abolmasov, Jelka Krušić, Katarina Andrejev, Miloš Marjanović, Ranka Stanković, Uroš Đurić (2017)
    ... inventory of the Republic of Serbia. Landslides, in press, DOI:10.1007/s10346-017-0847-2. [8] Fawcett T. An introduction to ROC analysis, Pattern Recognition Letters, Vol 27, pp. 861–874, 2006. [9] Fell R. et al. Guidelines for landslide susceptibility, hazard and risk zoning for land use planning, Engi- ...

  • Results of Recent Monitoring Activities on Landslide Umka, Belgrade, Serbia—IPL 181

    Biljana Abolmasov, Uroš Đurić, Jovan Popović, Marko Pejić, Mileva Samardžić Petrović, Nenad Brodić (2021)
    Klizišta, Monitoring, GNSS, Geodetska osmatranja, UAV snimci, PSInSAR
    ... for 2D points vector azimuth analysis and for comparison of points elevation (h) differences. PSInSAR Data Analysis Interferometric techniques named Persistent Scatter Inter- ferometric Synthetic Aperture Radar (PSInSAR) have been developed and designed to generate time-series of ground deformations ...
    ... consisted of reference and object (monitoring) points on which GNSS stations (sensors) are mounted. Highly precise, multi-channel, multi-frequency systems (receivers and antennas) are used on all network points. Reference points are the integral part of the Active Geodetic Reference Network of Serbia ...
    ... al) station Results of Recent Monitoring Activities on Landslide … 227 UAV Imaging and Mapping Using of small Unmanned Aerial Vechiles (UAV) systems and its implementation in Structure from Motion (SfM) photogrammetry is found very practical for landslide surface modeling and monitoring. Many ...

  • 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

  • Geochemical evaluation of dolostone deposits in Montenegro: Implications for potential industrial applications

    Darko Bozovic, Vladimir Simic, Dragan Radulovic, Slobodan Radusinovic, Vesna Matovic, Anja Terzic (2024)
    This study presents a unique model for assessing the dependability of continuous parts of combined systems in open-pit mining through the application of fuzzy logic. Continuous sub-systems as part of the combined system of coal exploitation in surface mines have the basic function of ensuring safe operation, high capacity with high reliability, and low costs. These subsystems are usually part of the thermal power plant’s coal supply system and ensure stable fuel supply. The model integrates various independent partial ...
    примарне сировине, минералогија, физичко-механичка својства, технолошка својства, наука о материјалима

  • Application of Project Management Process on Environmental Management System Improvement in Mining-Energy Complexes

    Jelena Malenović Nikolić, Dejan Vasović , Ivana Filipović , Stevan Mušicki, Ivica Ristović (2016)
    menadžment, rudrastvo i energetski kompleksi, okruženje, održivi razvoj, mrežno planiranje
    ... l methods, with applications in medicine, telecommunications, power systems, protection of natural heritage and education” (III 44006) and “Research and development of energy efficient and environment friendly polygeneration systems based on renewable energy sources utilization” (III 42006), and TR 33039 ...
    ... (ERM), and overall risk management, is a prerequisite for the development of modern mining and energy complexes, for the purpose of developing a systems process of environmental quality management. No less important is the fact that by applying for international projects regarding environmental protection ...
    ... defined activity durations allow the creation of project management models with adjustments to the mining and energy complex environmental protection systems in accordance with the sustainable development principles [27]. The first phase of the project management system for improving environmental protection ...

  • Дефинисање археолошких објеката на локалитету Кремените њиве применом Ојлерове 3Д деконволуције на магнетометријске податке

    Весна Цветков, Илија Васиљевић, Бранислав Сретеновић, Весна Дамњановић (2018)
    ... Magnetometrijska  ispitivanja su  izvedena u dva navrata 2012.  i 2013. godine  (Vasiljević, 2013)  instrumentom GSM‐19 Overhauser gradiometer  (GEM Systems  Inc. Canada, Ontario). Sam  instrument  dozvoljava rad na više načina, a prilikom akvizicije podataka je korišćen u tzv. „walk‐mod“ (walking gra‐ ...
    ...   Magnetic  investigations were carried out on two occasions  in 2012 and 2013  (Vasiljević, 2013)  with  the GSM‐19 Overhauser gradiometer  (GEM Systems  Inc. Canada, Ontario). The  instrument  itself  allows the work  in several ways, and during data acquisition the so‐called "walk‐mod" (walking gradio‐ ...

  • Numerical modelling of a single intra-oceanic subduction for the origin of the Balkan ophiolites

    Nikola Stanković, Vesna Cvetkov, Vladica Cvetković (2024)

  • Determination of Mechanical Properties of Altered Dacite by Laboratory Methods

    Veljko Rupar, Vladimir Čebašek, Vladimir Milisavljević, Dejan Stevanović, Nikola Živanović (2021)
    This paper presents a methodology for determining the uniaxial and triaxial compressive strength of heterogeneous material composed of dacite (D) and altered dacite (AD). A zone of gradual transition from altered dacite to dacite was observed in the rock mass. The mechanical properties of the rock material in that zone were determined by laboratory tests of composite samples that consisted of rock material discs. However, the functional dependence on the strength parameter alteration of the rock material (UCS, intact ...
    Geology, Geotechnical Engineering, Engineering Geology
    ... TX and constant mi dependences define more reliable rock material strength parameter values, which can be used, along with rock mass classification systems, as a basis for assessing rock mass parameters. Therefore, it is possible to predict the strength parameters of the heterogeneous rock mass at the ...
    ... * and constant m; dependences define more reliable rock material strength parameter values, which can be used, along with rock mass classification systems, as a basis for assessing rock mass parameters. Therefore, it is possible to predict the strength parameters of the heterogeneous rock mass at the ...
    ... and constant mi dependences define more reliable rock material strength parameter values that can be used, along with rock mass classifica- tion systems, as a basis for assessing rock mass input parameters necessary for geotechnical stability analysis and detailed design solutions. Author Contributions: ...