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Упит dcterms_subject_txt:Probability and Uncertainty,Statistics and Probability,Statistical and Nonlinear Physics

2342 items

  • BaTiO3/NixZn1−xFe2O4 (x = 0, 0.5, 1) Composites Synthesized by Thermal Decomposition: Magnetic, Dielectric and Ferroelectric Properties

    Marija Šuljagić, Ivan Petronijević, Miljana M. Mirković, Aleksandar Kremenović, Adis Džunuzović, Vladimir B. Pavlović, Aleksandra Kalezić-Glišović, Ljubica Andjelković (2023)
    To investigate the influence of spinel structure and sintering temperature on the functional properties of BaTiO3/NixZn1−xFe2O4 (x = 0, 0.5, 1), NiFe2O4, ZnFe2O4, and Ni0.5Zn0.5Fe2O4 were in situ prepared by thermal decomposition onto BaTiO3 surface from acetylacetonate precursors. As-prepared powders were additionally sintered at 1150 °C and 1300 °C. X-ray powder diffraction (XRPD) and scanning electron microscopy (SEM) coupled with electron dispersive spectroscopy (EDS) were used for the detailed examination of phase composition and morphology. The magnetic, dielectric, and ...
    ferroelectric, dielectric properties, magnetic properties, titanate/ferrite composites, phase composition
    ... terms and conditions of the Creative Commons Attribution (CC BY) license (https:/ / creativecommons.org//licenses/by/ 4.0/). Department of Chemistry, University of Belgrade-Institute of Chemistry, Technology and Metallurgy, Njegoševa 12, 11000 Belgrrade, Serbia ? - Faculty of Physics, University ...
    ... surface and processing of obtained structures into dense ceramics. The effect of structural properties and phase composition, as well as two sintering; schedules on dielectric and ferroelectric properties of synthesized ceramic composites, was studied and explained in detail. 2. Results and Discussion ...
    ... , LP., M.M.M., A.D., A.K., V.B.P, A.K.-G. and L.A.; Resources, M.Š., LP., M.M.M., A.D., A.K., V.B.P, A.K.-G. and L.A.; Writing—Original Draft, MŠ. and L.A.; Writing—review and editing, MŠA., V.B.P.and L.A.; Supervision, L.A. All authors have read and agreed to the published version of the manuscript ...

  • Development of terminological resources for expert knowledge: a case study in mining

    Ljiljana Kolonja, Ranka Stanković, Ivan Obradović, Olivera Kitanović, Aleksandar Cvjetić (2015)

  • Magnetization enhancement in nanostructured random type MgFe 2O4 spinel prepared by soft mechanochemical route

    Antić Bratislav, Jović Nataša, Pavlović Miodrag B., Kremenović Aleksandar, Manojlović Dragan, Vučinić-Vasić Milica, Nikolić Aleksandar S. (2010)

  • Multi-Criteria Approach for Selecting Optimal Dozer Type in Open-Cast Coal Mining

    Ivan Janković, Stevan Đenadić , Dragan Ignjatović , Predrag Jovančić , Tomislav Šubaranović, Ivica Ristović (2019)
    Analitički hijererhijski proces (AHP), dozeri, eksploatacija uglja, površinski kopovi
    ... evaluates the work and maintenance of a realistic system. In theory, availability represents the probability of a technical system being able to work at any given time t, or being able to join in on the work, and of being able to carry out the given task to a satisfactory level at the same time [34]. The input ...
    ... suitable dozers were Type 1, followed by Type 4, and then Types 2 and 3. The most economical dozer was Type 4, then Type 2, while Type 1 and 3 dozers were slightly more expensive. Type 1 and 2 dozers showed the best results given these specific conditions, and the same conclusion was confirmed by the expert ...
    ... method. Author Contributions: Conceptualization, I.R. and D.I.; methodology, T.S. and S.D.; validation, P.J.; formal analysis and writing—original draft preparation, I.J. Funding: This research and the APC was funded by the Ministry of Education and Science of the Republic of Serbia within the framework ...

  • Процена емисије гасова са ефектом стаклене баште као последице енергетске активности

    Горана Остојић (2024)
    Рад се бави анализом и проценом емисија гасова са ефектом стаклене баште, са посебним акцентом на емисије које настају као последица енергетских активности. Ефекат стаклене баште представља природни процес који је неопходан за одржавање живота на Земљи, али антропогене активности, попут индустријске производње и сагоревања фосилних горива, значајно повећавају концентрацију ових гасова у атмосфери, што доводи до климатских промена. Рад истражује узроке, последице и могућности за смањење емисија гасова, као и развој стратегија за ублажавање негативних ефеката на животну ...
    емисија гасова, ефекат стаклене баште, енергетске активности, климатске промене, мобилно сагоревање, стационарно сагоревање
    ... “) Souroes: USEPA (2004b), EEA (2005a), TNO (2003) and Borsari (2005) CETESB (2004 & 2005) with assumptions given below. Uncertainty ranges were derived from data in Lipman and Delucchi (2002), exocept for ethanol in cars. (a) Except for LPG and ethanol cars, default values are derived from the sources ...
    ... nponeHuH eMHcHja racoBa H3 JpyMckKor cao0pahaja rpuakaaaHu cy Ha cumnu 9. Validatc fuci statistics and vehicie kilomctrc data and correct ıf neccssary. Estimate CO>. (scc decision trcc) Estimate CH, and N;O. (scc decision trcc) Cnnuka 9. Kopauu y npouenu eMucuja u3 Opyckoe cao0pahaja [39] ...
    ... ISIC Group 271 and Class 2731 ISIC Group 272 and Class 2732 ISIC Division 24. ISIC Divisioms 21 and 22 ISIC Divisioms 15 and 16 Includes products such as glass, ceramic, cement, etc., ISIC Division 26 ISIC Divisions 34 and 35 Includes fabncated metal products, machinery and equipment oother ...

  • Managing mining project documentation using human language technology

    Aleksandra Tomašević, Ranka Stanković, Miloš Utvić, Ivan Obradović, Božo Kolonja (2018)
    Purpose: This paper aims to develop a system, which would enable efficient management and exploitation of documentation in electronic form, related to mining projects, with information retrieval and information extraction (IE) features, using various language resources and natural language processing. Design/methodology/approach: The system is designed to integrate textual, lexical, semantic and terminological resources, enabling advanced document search and extraction of information. These resources are integrated with a set of Web services and applications, for different user profiles and use-cases. Findings: The ...
    Digital libraries, Information retrieval, Data mining, Human language technologies, Project documentation

  • Чији је пример? Анализа лексичких обележја на примерима Речника САНУ

    Бранислава Б. Шандрих, Ранка М. Станковић, Мирјана С. Гочанин (2019)
    У овом раду поставља се питање: да ли се може утврдити ко је аутор неког текста уколико се анализирају искључиво његова лексичка обележја? Како бисмо покушали да добијемо одговор на ово питање, посматрали смо примере у оквиру речничког чланка појединачне лексеме Речника САНУ, који су забележени у пет томова (и то: I, II, XVIII, XIX и XX). Сваки пример је преузет из неког извора на шта упућују скраћенице, наведене у заградама. Од преко 5.000 понуђених извора, определили смо се ...
    идентификација ауторства, лексичка обележја, анализа обележја, примери Речника САНУ
    ... Academy of Science and Arts. Each dictionary example is documented with its author, so we decided to examine only examples that origin from twelve great names in the domestic literature. For each author’s example, we extracted different lexical features, and then we visualized and compared these results ...
    ... results using different statistical methods. ...
    ... of Modern Slov- ene: Problems and Solutions, V. Gorjanc, P. Gantar, I. Kosem, S. Krek (eds.). Ljubljana: University of Ljubljana, Faculty of Arts. Косем и др. 2018: Iztok Kosem, Kristina Koppel, Tanara Zingano Kuhn, Jan Michelfeit & Carole Tiberius, Identification and Automatic Extraction of Good ...

  • SASA Dictionary as the Gold Standard for Good Dictionary Examples for Serbian

    Ranka Stanković, Branislava Šandrih, Rada Stijović, Cvetana Krstev, Duško Vitas, Aleksandra Marković (2019)
    У овом раду представљамо модел за избор добрих примера за речник српског језика и развој иницијалних компоненти модела. Метода која се користи заснива се на детаљној анализи различитих лексичких и синтактичких карактеристика у корпусу састављених од примера из пет дигитализованих свезака речника САНУ. Почетни скуп функција био је инспирисан сличним приступом и за друге језике. Дистрибуција карактеристика примера из овог корпуса упоређује се са карактеристиком дистрибуције узорака реченица ексцерпираних из корпуса који садрже различите текстове. Анализа је показала да ...
    Српски, добри примери из речника, аутоматизација израде речника, издвајање својстава, Машинско учење
    ... corpora Figure 3 presents a boxplot diagram of sentence length statistical values per partition (volume and text collection). It can be observed that the sentences in the control dataset partitions are longer than in any volume of the dictionary, that the dispersion for contemporary novels (CN) ...
    ... various lexical and syntactic features of the gold standard examples, classified them and compared the results with the control corpus (both gold and control corpus are presented in Section 4). The initial set of features was inspired by Kilgarriff et al. (2008) and Kosem (2017), and guided by rec ...
    ... ) in the sentence; and since examples should help the understanding of the definition, they must be easy to understand – which means that their syntactic structure should be simple and their lexis not too difficult and uncommon. Informativeness, typicality with naturalness, and intelligibility are ...

  • FrameNet Lexical Database: Presenting a Few Frames Within the Risk Domain

    Aleksandra Marković, Ranka Stanković, Natalija Tomić, Olivera Kitanović (2021)
    U radu se daje kratak prikaz teorije semantike okvira, na kojoj je zasnovana leksička baza Frejmnet. Predstavljena je koncepcija ove mreže, kao i mogućnosti njene primene. Predstavljena je i leksička analiza koja se primenjuje u projektu izrade Frejmneta i ukazano na razlike između analize zasnovane na okviru u odnosu na analizu zasnovanu na reči. Zatim je prikazano nekoliko povezanih okvira koje prizivaju reči iz domena rizika. U radu je predstavljena i platforma NLTК pomoću koje se mogu koristiti ...
    Srpski jezik, semantika okvira, FrameNet, scenario rizika, rudarski korpus, obrada prirodnog jezika
    ... other way inadequate, and from those three to five sentences are chosen for each pat- tern with the aim of illustrating the variety of existing patterns rather than their statistical representativeness. When the annotation is over, tools for analyzing the annotated sentences and the valence patterns ...
    ... cited by the following authors (Atkins 1994; Gildea and Jurafsky 2002; Atkins, Fillmore, and Johnson 2003; Prad- han et al. 2005; Boas and Dux 2017; Jurafsky and Martin 2020), gives a reliable, scientifically valid way of approaching word usage analysis and de- scription. The basis of this approach is the ...
    ... morning calm, 111–137. Fillmore, Charles J, and Beryl T Atkins. 1992. “Toward a frame-based lex- icon: The semantics of RISK and its neighbors.” Frames, fields and contrasts: New essays in semantic and lexical organization 75:102. Fillmore, Charles J, and Sue Atkins. 1994. “Starting where the Dictionaries ...

  • Model za optimizaciju graničnog saržaja metala u rudi u funkciji dugoročnog planiranja površinskih kopova

    Daniel P. Kržanović (2016-06-14)
    Optimizacija graničnog sadržaja metala u rudi jedan je od osnovnih koraka u planiranju i dizajniranju površinskih kopova i ima za cilj postizanje maksimalne neto sadašnje vrednosti (NPV). Iz tog razloga, optimizacija graničnog sadržaja i danas je predmet mnogih istraživanja u rudarskoj nauci, sa ciljem rešavanja praktičnih problema u eksploataciji ležišta.Dugoročno planiranje eksploatacije na površinskim kopovima podrazumeva sagledavanje svih relevantih parametara i faktora (geologije rudnog ležišta, tehnologije proizvodnog procesa, kapaciteta otkopavanja i prerade, troškova, cena metala, iskorišćenja i dr) kako ...
    površinski kop, dugoročno planiranje, optimizacija graničnog sadržaja, maksimizacija neto sadašnje vrednosti (NPV).
    ... valuation, capital investment and strategic alignment—tools and techniques at Anglo Platinum , The Journal of The Southern African Institute of Mining and Metallurgy Volume 107, pp. 67-74. Smith M., Dimitrakopoulos R., 1999, The influence of deposit uncertainty on mine production scheduling ...
    ... Mining Reclamation and Environment, Vol. 2, No. 4, pp. 173–179. Dimitrakopoulos, R.G., 2007, Evaluating mine plans under uncertainty: can the real options make a difference, Resource Policy , 2, pp. 116-125. Dixit, A.K., Pindyck, R.S., 1994, Investment Under Uncertainty, Princeton University ...
    ... 293 Schwartz, E., Trigeorgis., 2004, Real Options and Investment under Uncertainty: An Overview, Cambridge: The MIT Press, pp. 1-13. Schwartz, E.S., 1997, The Stochastic Behavior of Commodity Prices: Implications for Valuation and Hedging, The Journal of Finance, LII, 3, pp. 923-973. Shinkuma ...

  • 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
    ... , have a higher content of sulphates and Fe-oxide/hydroxide minerals. The lignite from the Kovin deposit is enriched in As, Cd, Co, Cr, Cu, Ga, Li, Mn, Mo, Ni, Pb, V, Zn, Gd, Tb, Er and Lu in comparison with the Clarke values for brown coals. The statistical analysis of bulk compositional data shows ...
    ... crusts built up of small flakes and usually appears in association with haematite and other minerals including siderite and clays. The Fe­Mn oxides and Mn hydroxides were also detected in small amounts in coal seams I and II. The Ti and Ti­Fe oxides (rutile and ilmenite; Fig. 4i, j) oc­ cur as small ...
    ... dolomite, ankerite and monazite, while in coal seam III barite and monazite were found. The silicate and aluminosilicate minerals are common con­ stituents of the inorganic matter in Kovin lignites and include mainly quartz, illite/smectite, rarely chlorite and plagioclase, and more rarely, mica ...

  • Structural and geochronological constraints from the Drina-Ivanjica thrust sheet (Western Serbia): implications for the Cretaceous–Paleogene tectonics of the Internal Dinarides

    Kristof Porkoláb, Szilvia Kövér, Zsolt Benkó, Gabor Héja, Melinda Fialowski, Balázs Soós, Nataša Gerzina Spajić, Nevenka Đerić, László Fodor (2019)
    Internal Dinarides, Drina-Ivanjica thrust sheet, Deformation history, K–Ar dating, Obduction, Structural analysis
    ... method (Balogh 1985) in the K-Ar laboratory of the Institute for Nuclear Physics of the Hungarian Academy of Sciences in Debrecen. The potassium content was mea- sured on 50 mg sample aliquots after dissolution by HF and HNOx, by a Sherwood-400 type flame spectro-photometer with an accuracy ...
    ... orogen and are attributed to the latest Cretaceous-Paleogene collision between Adria and Europe. Regional Latest Cretaceous-Paleogene shortening was followed by strike-slip tectonics (N-S shortening and perpendicular extension) and subsequent Miocene normal faulting in both orogen-parallel and orog ...
    ... relations between NE-SW and NW-SE trending normal faults and Dxy strike slip faults (Figs. 2 and 7a). We have distinguished two extensional stress tensor groups that represent orogen-parallel (NW-— SE) and orogen-perpendicular , (NE-SW) extension (Fig. 5). Our observations and the dataset are not ...

  • Sistem poslovne inteligencije za upravljanje zaštitom na radu u rudarskoj industriji

    Ljiljana R. Kolonja (2016-09-23)
    Postojeća organizacija zaštite na radu na površinskim kopovima uglja često nije umogućnosti da blagovremeno i tačno ukaže na nedostatke, koji mogu u bližoj ilidaljoj budućnosti da budu uzrok narušavanja bezbednosti radnika, ali i uzrokoštećenja materijalnih dobara rudnika. Nemogućnost donošenja pravovremenihodluka je moguće izbeći uvođenjem softverski podržanih sistema za praćenje ianalizu bezbednosti i zaštite na radu.Osnovni cilj ove doktorske disertacije je definisanje metodologije i razvoj modelasistema upravljanja zaštitom na radu, koji će omogućiti savremen, adekvatan isveobuhvatan način praćenja i analize ...
    rudarstvo, bezbednost i zdravlje na radu, poslovna inteligencija,tehnička zaštita, ontologije
    ... process industrie. Process Safety and Environmental Protection, 79, 65‐80. 126 KNIESNER, T. J. & LEETH, J. D. 2004. Data mining mining data: MSHA enforcement efforts, underground coal mine safety, and new health policy implications. Journal of Risk and Uncertainty, 29, 83‐111. KOGUT, P., CRANEFIELD ...
    ... MINING/USERFILES/STATISTICS/10G03AAA_1911‐2010.SVG (ed.). CDC. NIST. 2011. The NIST Cloud Computing Definition [Online]. Available: http://www.nist.gov/itl/csd/cloud‐102511.cfm. 128 NOY, N. F. & HAFNER, C. D. 1997a. The state of the art in ontology design: A survey and comparative review ...
    ... systems for the monitoring and analysis of occupational safety and protection at work. The basic objective of this PhD thesis is to define a methodology and develop a model for the management of protection at work that will provide for a modern, adequate and comprehensive method for ...

  • Application of a Method for Intelligent Multi-Criteria Analysis of the Environmental Impact of Tailing Ponds in Northern Kosovo and Metohija

    Gordana Milentijević, Blagoje Nedeljković, Milena Lekić, Zoran Nikić, Ivica Ristović, Jelena Đokić (2016)
    flotacijska jalovišta, životna sredina, višekriterijumska analiza, ekologija, Trepča
    ... sites, etc.), technical and sociological aspects as well as many others are included in the assessment of the tailing ponds’ impact on the surrounding ecosystem. 3.2. Statistical Analysis One of the advantages of MCA is its ability to help the researcher overcome doubts and problems in a consistent manner ...
    ... cultural, social and organizational frameworks; it should be applicable to large and small companies and for large and small-scale environmental pollutants. It was thus decided that the ranking of five current tailing ponds should be done by multi-criteria analysis. Field work and analysis of flotation ...
    ... 43007: Climate Change Impact to the Environment-Assessment, Adaptation and Mitigation, Sub-Project 15: Climate Change Impact to the Environment and Natural Resources of the North of Kosovo and Metohija and Project OI 176018: Geological and ecotoxicological investigations in identification of geopathogenic ...

  • Investigating distant effects of the Moesian promontory: Brittle tectonics along the western boundary of the Getic unit (East Serbia)

    Ana Mladenović, Milorad D. Antić, Branislav Trivić, Vladica Cvetković (2019)
    In this study, we report evidence for brittle deformation in a part of the Carpatho–Balkan orogen, which is explained in terms of effects of the rigid Moesian promontory of the European plate on fault kinematics in East Serbia. We focus on the westernmost part of the Getic Unit of the East Serbian Carpatho–Balkanides, i.e. the Gornjak–Ravanica Unit, located between two main thrusts that were repeatedly activated from Early Cretaceous to recent times. We combine a new data set on ...
    Getikum, Mezijska jedinica, Karpato-balkanski orogen, krte deformacije, Gornjačko-ravanička jedinica

  • Еоценска фауна југозападног дела Сирт басена (Либија)

    Љупко Рундић, Мери Ганић (2020)
    Еоцен, крупни мекушци, нумулити, ЈЗ Сирт басен, Либија

  • Strukture kristala - odabrana poglavlja iz kristalografije i njena multidisciplinarnost

    Ljiljana Karanović (2024)
    Kristalografija

  • Production of Thin Dielectric Layers on p-Hg1-xCdxTe

    Damnjanović Vesna, Elazar Jovan (2010)

  • Application of Finite Difference Time Domain method in Pulsed Thermography

    Tomić Ljubiša, Elazar Jovan, Damnjanović Vesna, Milanović Bojan (2013)

  • 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
    ... area, in terms of the petroleum sys- tem, is uncertainty about the existence of e�cient seals. �ere has been no drilling for oil and gas so far, but there is a well-known bitumen seep east of Ljubinje (Mišljen, Fig. 1C – on the le� border) in the Cretaceous limestone. �e Mišljen occurrence has ...
    ... Middle and Late Jurassic strata are composed of oolithic limestones, reef and lagoonal shallow-water limestones, and dolomites (Natević and Petrović, 1970; Mirković, et al., 1974). Similar rocks of Cretaceous age cover larg- er parts of the study area (Mojićević and Laušević, 1965; Natević and Petrović ...
    ... Middle and Late Jurassic strata are composed of oolithic limestones, reef and lagoonal shallow-water limestones, and dolomites (Natevi¢ and Petrovi¢é, 1970; Mirkovic, et al., 1974). Similar rocks of Cretaceous age cover larg- er parts of the study area (Moji¢evi¢ and LauSevic, 1965; Natevi¢ and Petrovi¢ ...