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Упит dcterms_subject_txt:Condensed Matter Physics,General Materials Science

992 items

  • Analiza uporednog praćenja temperature površine ohlađenih materijala pri njihovom zagrevanju do ambijentalne temperature

    Stevan Đenadić, Ljubiša Tomić, Vesna Damnjanović, Katarina Nestorović (2021)
    U datom eksperimentalnom radu su termografskim metodama ispitivane termofizičke karakteristike različitih materijala. Za ispitivanja su izabrani mesingani niovčić, ugalj i pelet, jer imaju različita termoizolaciona svojstava i različito stanje površine. Uzorci su najpre hlađeni, a zatim je njihovo zagrevanje na sobnoj temperaturi praćeno termalnom kamerom. U drugom delu eksperimenta, korišćena je impulsna termografija, a zagrevanje površine uzoraka vršeno je svetlosnom pobudom.
    termografija, impulsna termografija, nedestruktivno testiranje materijala, mesing, ugalj, pelet

  • 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
    ... the results. The separated size fractions were analyzed by the K-Ar 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 ...
    ... Cretaceous-Paleogene times. Map- scale, NW-SE striking D„- thrust faults and abundant NW-SE trending F» folds observed in all units correspond to the general trend of the Dinaridic orogen and are attributed to the latest Cretaceous-Paleogene collision between Adria and Europe. Regional Latest Cretaceo ...
    ... Albian-Campanian formations is yet lacking. It is also possible that the suggested NE-vergent back- thrusting: was coeval with and connected to the general post-obduction SW-vergent thrusting and formed a sort of triangle-zone. In this way, the Drina-Ivanjica thrust sheet would disrupt the East- ...

  • The Importance of Geotechnical Investigations for the Construction of Transfer Station „Prelići“ on Landfill in Cacak – Serbia

    Dragoslav Rakić, Irena Basarić, Jovana Janković, Tina Đurić (2019)
    For the purpose of the facilities construction within the transfer station „Prelici“ in Cacak, specific geotechnical investigations were carried out based on which the technological project with the facilities schedule was developed. Significant deviations in relation to the presented results were determined during earthworks, so the additional geotechnical investigation works were carried out. Since the new investigation works have determined a different cross section of the terrain, it was proposed to move the planned facilities which led to the ...
    landfill, geotechnical investigations, transfer station
    ... heterogeneous. Old municipal waste (MSW-kO) is in the advanced stage of biochemical decomposition, so that mainly organic materials are dominant. Besides them, various materials that are difficult to decompose, such as plastics, metal, glass, etc., are also found. They are partly located below the ...
    ... harmful effects). Basically, quantitative prevention means: reducing the total mass of municipal waste and finding ways to recycle secondary raw materials from municipal waste (Rakic, Milovanovic & Jakovljevic, 2011). In this regard, the modern technological solutions are proposed which are usually ...
    ... compressed soil layer, Figure 2), the deviations also referred to: thickness and separation of natural lithological layers, and especially of modern materials, i.e. the thickness of old municipal waste and its cover (Figure 3). Certain differences related to the definition of groundwater level as well ...

  • Regional Strike-Slip Structures in the Internal Dinarides: Insights from the Zvornik Fault

    Ana Mladenović, Violeta Gajić, Kristijan Sokol, Dejan Prelević (2024)

  • Improving efficiency of thermal power plants through mine coal quality planning and control

    Mirjana Banković, Dejan Stevanović, Milica Pešić, Aleksandra Tomašević, Ljiljana Kolonja (2018)
    Главни циљ контроле квалитета угља у рудницима лигнита је снабдевање термоелектрана угљем чији квалитет мора да се креће унутар одређених квалитативних ограничења. Карактеристике угља могу да утичу на ефикасност, поузданост и расположивост како котла тако и јединица за контролу емисије. У овом раду аутори су презентовали интегрисану симулацију рударског процеса као нови приступ у истраживању променљивости калоричне вредности угља приликом експлоатације комплексног лежишта лигнита. Резултати таквог приступа омогућавају драгоцен увид у перформансе континуалног рударског система у смислу контроле променљивости ...
    mine planning, variability of coal quality, simulation, coal blending

  • 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
    ... s. Springer Science + Business Media Inc., New York. Haldoupis, C., Cohen, M., Arnone, E., Cotts, B., Dietrich, S. (2013). The VLF fingerprint of elves: Step-like and long-recovery early VLF perturbations caused by powerful ±CG lightning EM pulses, J. Geophys. Res: SPACE PHYSICS, 118, pp. 1–11 ...
    ... relationships between sprites and lightning. J. Atmos. Sol.-Terr. Phys., 65, pp. 525–535. Schunk, R. W., Nagy, A. F. (2000). Ionospheres: physics, plasma physics and chemistry. Cambridge University Press. 570 pp. Schwenn, R. (2006). Space Weather: The Solar Perspective. Living Rev. Solar Phys., 3 ...
    ... signal amplitude and phase delay data registered by the AbsPAL (Absolute Phase and Amplitude Logger) receiving system, located at the Institute of Physics, Belgrade (44.85 N; 20.38 E). The effects of induced ionization changes have been observed along different propagation paths, between ...

  • Application of the VIKOR Method for Selecting the Purpose of Recultivated Terrain after the End of Coal Mining

    Radmila Gaćina, Sanja Bajić, Bojan Dimitrijević, Tomislav Šubaranović, Čedomir Beljić, Dragoljub Bajić (2024)
    reclamation, coal, sustainable development, multi-criteria decision making, VIKOR method

  • Preparation of Multimedia Document “YU Rock Scene”

    Milena Obradović, Aleksandra Arsenijević, Mihailo Škorić (2017)
    SUMMARY: This study will present the preparation process of a multimedia document entitled YU ROCK SCENE in which participants were senior students of undergraduate studies of the Department of Library and Information Science at the University of Belgrade Faculty of Philology during the academic year 2014/2015, as a part of the subject Multimedia Documents. This study gives an overview of the historical development of rock and roll in the territory of the former Yugoslavia, rock scene in Yugoslav republics, ...
    multimedia document, library science, information science, rock and roll, music, Yugoslavia
    ... stages such as planning, processing, designing and creation of the multime- dia document itself. KEYWORDS: multimedia document, library science, information science, rock and roll, music, Yugoslavia PAPER SUBMITTED: 28 March 2016 PAPER ACCEPTED: 06 May 2016 Milena Obradović milenaacm1@hotmail.com ...
    ... it was supposed to be processed, systematized and displayed in a desired manner. Mihailo Škorić and Petar Popović got that job. Processing of materials related to territorial division got on the table first. Mem- bers of the student groups who researched it got an assignment to arrange the data in ...
    ... more or less still active today. Each of them left an indelible mark on the Yugoslav rock scene and great influence on the society and culture in general. In Yugoslavia, as well as in the world, rock music represented a comprehensive movement that influenced numerous events. 2 YU Rock Scene per Territories ...

  • Синтеза и карактеризација керамике на бази сфена

    Jelena R. Pantić (2015-07-10)
    Механохемијска активација стехиометријске смеше реактаната TiO2, SiO2 и CaCO3 показала се као веома успешна и једноставна метода за добијање сфена (CaTiSiO5). На основу мерења релативних густина свих синтерованих узорака установљено је да максималну густину од 93,9 % имају узорци који су активирани 30 минута и синтеровани на 1200 °С. Микроструктурном анализом, тј. анализом слика синтерованих узорака активираних 30 минута, које су добијене скенирајућом електронском микроскопијом, опажа се бимодална расподела величине зрна, са просечном величином од 3 μm, односно 5 ...
    сфен, механохемија, Ритвелдова метода, оптичка спектроскопија, микроструктурна анализа, фазна трансфоpмација, чврсти раствори
    ... try of Materials, Cambridge International Science Publishing, Cambridge, 215. Gutmann М., Refson К., Zimmermann М., Swainson I., Dabkowski A. and H Dabkowska H. (2013) Room temperature single-crystal diffuse scattering and ab initio lattice dynamics in CaTiSiO5. J Phys Condens Matter 25: 315402 ...
    ... (1994) Compaction of powders XI. Application of the general equation to both metal powders and ceramic powders. In: Lall C. and Neupaver A.J. (ed) Compaction, Sintering and Secondary Operations. Advances in Powder Metallurgy & Particulate Materials, Metal Powder Industries Federation, Princeton, 3: ...
    ... Nanocrystalline ceria from carbon free materials. Ceram Int 5: 731-735 Yen W.M., Shionoya S. and Yamamoto H. (2007) Fundamentals of Phosphors. CRC Press. Young, R. A. (1993) Rietveld refinement. Oxford University Press, U.K. http://www.sciencedirect.com/science/article/pii/S1359646206002715 http://www ...

  • Синтеза и карактеризација керамике на бази сфена

    Jelena R. Pantić (2015-07-10)
    Механохемијска активација стехиометријске смеше реактаната TiO2, SiO2 и CaCO3 показала се као веома успешна и једноставна метода за добијање сфена (CaTiSiO5). На основу мерења релативних густина свих синтерованих узорака установљено је да максималну густину од 93,9 % имају узорци који су активирани 30 минута и синтеровани на 1200 °С. Микроструктурном анализом, тј. анализом слика синтерованих узорака активираних 30 минута, које су добијене скенирајућом електронском микроскопијом, опажа се бимодална расподела величине зрна, са просечном величином од 3 μm, односно 5 ...
    сфен, механохемија, Ритвелдова метода, оптичка спектроскопија, микроструктурна анализа, фазна трансфоpмација, чврсти раствори
    ... try of Materials, Cambridge International Science Publishing, Cambridge, 215. Gutmann М., Refson К., Zimmermann М., Swainson I., Dabkowski A. and H Dabkowska H. (2013) Room temperature single-crystal diffuse scattering and ab initio lattice dynamics in CaTiSiO5. J Phys Condens Matter 25: 315402 ...
    ... (1994) Compaction of powders XI. Application of the general equation to both metal powders and ceramic powders. In: Lall C. and Neupaver A.J. (ed) Compaction, Sintering and Secondary Operations. Advances in Powder Metallurgy & Particulate Materials, Metal Powder Industries Federation, Princeton, 3: ...
    ... Nanocrystalline ceria from carbon free materials. Ceram Int 5: 731-735 Yen W.M., Shionoya S. and Yamamoto H. (2007) Fundamentals of Phosphors. CRC Press. Young, R. A. (1993) Rietveld refinement. Oxford University Press, U.K. http://www.sciencedirect.com/science/article/pii/S1359646206002715 http://www ...

  • Hydrochemical changes and groundwater grouping data by multivariate statistical methods within one karst system: recharge–discharge zone (Eastern Serbia case study)

    Ljiljana Vasić, Dragana Živojinović, Vladana Rajaković-Ognjanović (2020)
    Geochemistry and Petrology

  • Testing the energy value of different types of coal by the method of active thermography

    Stevan Đenadić, Ljubiša Tomić, Vesna Damnjanović, Predrag Jovančić, Dragutin Jovković (2020)
    In this paper, coal thermograms are presented and analyzed in order to determine their energy value. Two types of coal of different categories, brown and lignite, were selected for active thermographic imaging. The tested coal samples were processed before measurement so that they are similar in dimensions and have two plane-parallel smooth surfaces. The test samples were "primarily" heated under the same conditions and the process of their cooling was monitored by a thermal camera. "Then" they were cooled ...
    Infrared imaging, nondestructive testing, active thermography, coal.

  • GIS Application Improvement with Multilingual Lexical and Terminological Resources

    Ranka Stanković, Ivan Obradović, Olivera Kitanović (2010)
    ... information for the map reader. Annotation may identify or describe a specific map entity, provide general information about an area on the map, or supply information about the map itself. In general, the placement of descriptive text, or label, onto or next to features on a map is known as labelling ...
    ... Developement in Computer Science and Engeneering, ed. Grigori Sidorov, Centro Innovacion y Desarrollo Tecnologico en Computo, Instututo Politecnico Nacional, Mexico, pp. 14-20. Tufiş, D. (ed.), (2004). Special Issue on BalkaNet Project, Romanian Journal on Information Science and Technology. Bucureşti: ...
    ... different labelling properties for features within the same layer. For example, in a layer of geologic units, the user might label those with a general type of geologic composition, genesis, morphology term, geologic process, metamorphic grade etc. Development of GeolISSTerm and its integration ...

  • Characterization of the eastern Suva Planina Mt. karst aquifer (SE Serbia) by time series analysis and stochastic modelling

    Branislav Petrović, Veljko Marinović, Zoran Stevanović (2023)
    Earth-Surface Processes,Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry, Global and Planetary Change

  • 3D modeling and monitoring of karst system as a base for its evaluation and utilization: a case study from eastern Serbia

    Saša Milanović, Zoran Stevanović, Ljiljana Vasić, Vesna Ristić-Vakanjac (2013)
    Earth-Surface Processes, Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry, Global and Planetary Change

  • Termička zrelost organske supstance i naftno-matični potencijal istočne Hercegovine

    Nikoleta Aleksić (2021)
    Cilj istraživanja, obrade i interpretacije rezultata prikazanih u disertaciji je utvrđivanje termičke zrelosti organske supstance i naftno-matičnog potencijala sedimentnih stena na području istočne Hercegovine, primenom metoda pirolize Rock-Eval, organo-petrografskog proučavanja organske supstance u normalnoj svetlosti i fluorescenciji, koja je pored kvalitativne analize uključila posebno i refleksiju vitrinita. Osim toga, na osnovu organsko-geohemijskih analiza sagledane su karakteristike i poreklo ekstrahovanog bitumena metodom gasne hromatografije - masene spektrometrije, pri čemu su izvršene analize biomarkera kao geohemijskih indikatora. Tokom rada na doktorskoj ...
    organska supstanca, termička zrelost, matične stene, naftni potencijal, refleksija vitrinita, piroliza Rock-Eval, biomarkeri, Karbonatna platforma, istočna Hercegovina

  • Resource-based WordNet Augmentation and Enrichment

    Ranka Stanković, Miljana Mladenović, Ivan Obradović, Marko Vitas, Cvetana Krstev (2018)
    In this paper we present an approach to support production of synsets for SerbianWordNet(SerWN)byadjustingPrincetonWordNet(PWN)synsetsusing several bilingual English-Serbian resources. PWN synset definitions were automatically translated and post-edited, if needed, while candidate literals for Serbian synsets were obtained automatically from a list of translational equivalents compiled form bilingual resources. Preliminary results obtained from a setof1248selectedPWNsynsetsshowthattheproducedSerbiansynsetscontain 4024 literals, out of which 2278 were offered by the system we present in this paper, whereas experts added the remaining 1746. Approximately one half of ...
    WordNet, bilingual resources, term alignment, parallel lists
    ... INFOtheca, 12(1):49a–63a. Tufis, D., Cristea, D., and Stamou, S. (2004). Balkanet: Aims, methods, results and perspectives. a general overview. Romanian Journal of Information science and technology, 7(1-2):9–43. Vintar, Š. and Fišer, D. (2017). Enriching Slovene wordnet with domain-specific terms. Annotation ...
    ... produce SerWN synsets on basis of PWN and to support multilingual queries in English and Serbian. The structure of bilingual parallel lists has in general the following form: TermI[,TermI]*; TermII[,TermII]* where TermI represents a word in one language, and TermII a corresponding word in another. A ...
    ... literals from non-adjusted PWN synsets, while the last column shows the corresponding percentage. It comes as no surprise that the Parallel list, as a general-domain lexicon has a considerably higher percentage than domain-specific resources. However, when it comes to particular domains, aligned terms from ...

  • Effects of external noise on threshold-induced correlations in ferromagnetic systems

    Dragutin Jovković, Sanja Janićević, Svetislav Mijatović, Lasse Laurson, Đorđe Spasojević (2021)
    Изингов модел, праг детекције, екстерни шум

  • Multiword Expressions between the Corpus and the Lexicon: Universality, Idiosyncrasy and the Lexicon-Corpus Interface

    Verginica Barbu Mititelu, Voula Giouli, Kilian Evang, Daniel Zeman, Petya Osenova, Carole Tiberius, Simon Krek, Stella Markantonatou, Ivelina Stoyanova, Ranka Stankovic, Christian Chiarcos (2024)
    Predstavljamo trenutne aktivnosti na definisanju interfejsa leksikona i korpusa koji će služiti kao referenca u prikazu polileksemskih jedinica - višečlanih izraza - (različitih tipova - imenskih, glagolskih, itd.) u specijalizovanim leksikonima i povezivanju ovih unosa sa njihovim pojavljivanjima u korpusima. Konačni cilj je korišćenje ovakvih resursa za automatsko identifikovanje višečlanih izraza u tekstu. Uključivanje nekoliko prirodnih jezika ima za cilj univerzalnost rešenja koje nije usredsređeno na određeni jezik, kao i prilagođavanje idiosinkrazijama. Raspravljaju se izazovi u leksikografskom opisu višerečnih ...
    multiword expression lexicon, corpus, proof-of-concept lexicon encoding

  • Dehydroicetexanes in sediments and crude oils: Possible markers for Cupressoideae

    Hans Peter Nytoft, Geir Kildahl-Andersen, Sofie Lindström, Frode Rise, Achim Bechtel, Danica Mitrović, Nataša Đoković, Dragana Životić, Ksenija A. Stojanović (2019)
    Two previously unidentified dehydroabietane isomers were isolated from Miocene Serbian lignite and Rhaetian (Late Triassic) coaly mudstones from South Sweden and characterized using NMRspectroscopy as cis- and trans-dehydroicetexane. Both have a 9(10?20)-abeo-abietane or icetexane skeleton, consisting of a 6-7-6 tricyclic framework with seven carbons in ring B instead of the usual six in common diterpanes of the abietane-type. Dehydroicetexanes can be detected using GC-MS-MS in m/z 270?146 chromatograms without interference from dehydroabietane or other isomers. Dehydroicetexanes are often abundant ...
    Geochemistry and Petrology