Претрага
1778 items
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Improvement of geodatabase queries within GeolISS
Ranka Stanković (2008)... designed for data entry in GeolISS database [7]. They are implemented in MS Visual Studio 2005 and support data entry in both personal and enterprise geodatabase. They are also implemented to work as a standalone application which handles thematic non-spatial tables in SQL Server 2000. Figure ...
... Figure 1. Geological unit selected in GeolISS environment with related data Ranka Stanković 68 Figure 2. Related data of selected geological unit 3. Search in GeolISS Having in mind the diversity and amount of data archived in GeolISS it is obvious that efficient exploration ...
... Lower Pliocene in the description field was submitted twice: once without and once with semantic expansion. The word Lower Pliocene, in Serbian ‘donji pliocen’, has synonym ‘pont’, and thus the expanded query introduces both forms in the WHERE part of the SELECT query. Figure 7 shows in the upper part ...Ranka Stanković. "Improvement of geodatabase queries within GeolISS" in Review of the National Center for Digitization, Beograd : Faculty of Mathematics, Belgrade (2008)
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Natural two-dimensional pyrophyllite: Nanoscale lubricant, electrical insulator and easily-machinable material
Borislav Vasić, Radoš Gajić, Ivana Milošević, Žarko Medić, Marina Blagojev, Marko Opačić, Aleksandar Kremenović, Dejan Lazić (2022)Pyrophyllite, with the chemical formula Al2Si4O10(OH)2, is a naturally occurring and abundant van der Waals mineral belonging to the group of phyllosilicates. It is very soft, layered crystal used for sculpting and an excellent electrical and thermal insulator aimed for the operation at high pressure and temperature. Here, for the first time, two-dimensional (2D) pyrophyllite obtained by both mechanical and liquid phase exfoliation is presented and investigated at the nanoscale. The layered structure provides low friction coefficient of around ...Atomic force microscopy, Insulating properties, Nanofriction and wear, Natural two dimensional materials, Phyllosilicates, PyrophylliteBorislav Vasić, Radoš Gajić, Ivana Milošević, Žarko Medić, Marina Blagojev, Marko Opačić, Aleksandar Kremenović, Dejan Lazić. "Natural two-dimensional pyrophyllite: Nanoscale lubricant, electrical insulator and easily-machinable material" in Applied Surface Science, Elsevier BV (2022). https://doi.org/10.1016/j.apsusc.2022.155114
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A fuzzy-based decision support model for effectiveness evaluation - a case study of examination of bulldozers
Effectiveness evaluation is one of the basic components of engineering asset management and maintenance engineering in general. Effectiveness is an overall concept representing a measurement of quality of service level for the analyzed engineering system. This concept contains a series of partial indicators relating to time in operation and time for maintenance activities, as well as functional properties of the system. This article describes the analysis and structuring of partial indicators, as well as the development of a model ...Miloš Tanasijević, Predrag Jovančić, Dejan Ivezić, Uglješa Bugarić, Radiša Đurić. "A fuzzy-based decision support model for effectiveness evaluation - a case study of examination of bulldozers" in International Journal of Industrial Engineering: Theory, Applications and Practice (2019)
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Towards translation of educational resources using GIZA++
... for user interface in five languages is available, but the long- term goal is to have platform localized to global audiences. Students can log in to Coursera and check options for type of language support with information about translation offerings in the coming months. In this phase, course lectures ...
... platform and on the VideoLectures.NET digital video lecture library. The translation engine employed in TraMOOC is Moses [5], the most widely used SMT toolkit available in academia as well as in commercial environments, mainly due to its flexibility, modularity, open-source licence, and competitive ...
... works closely with the course authors, in order to fine-tune the translation. In order to keep the original style of the course, it is recommended to recruit translators that better capture the essence. Vocabulary, word choices, general style must remain similar in all translated versions. Reference ...Ivan Obradović, Dalibor Vorkapić, Ranka Stanković, Nikola Vulović, Miladin Kotorčević. "Towards translation of educational resources using GIZA++" in The Seventh International Conference on e-Learning (eLearning-2016), September 2016, Belgrade : Metropolitan Univesity (2016)
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Strategic Environmental Assessment and the precautionary principle in the spatial planning of wind farms – European experience in Serbia
Spatial determination planning is at an initial and very sensitive step in the development of wind farms. On one hand, it is important to maximize the potential of wind in a particular area, and on the other hand, it is important to achieve environmental protection (including the human population and natural heritage) in the same space at the same time. With this in mind, it is important to balance all the requirements that are relevant for reaching the optimal ...Boško Josimović, Aleksandar Cvjetić, Danilo Furundžić. "Strategic Environmental Assessment and the precautionary principle in the spatial planning of wind farms – European experience in Serbia" in Renewable and Sustainable Energy Reviews, Elsevier BV (2021). https://doi.org/10.1016/j.rser.2020.110459
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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 ...Aleksandar Mijatović, Biljana Šmit, Ana Rilak, Biljana Petrović, Dragan Čanović, Živadin D. Bugarčić. "NMR kinetic studies of the interactions between [Ru(terpy)(bipy)(H2O)]2+ and some sulfur-donor ligands" in Inorganica Chimica Acta, Elsevier BV (2012). https://doi.org/10.1016/j.ica.2012.09.016
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Using Metadata For Content Indexing Within An OER Network
Ranka Stanković, Olivera Kitanović, Ivan Obradović, Roberto Linzalone, Giovanni Schiuma, Daniela Carlucci (2014)... management in the context of BAEKTEL OER framework, which is described in more detail in section 2. Section 3 of this paper outlines the key aspects of metadata management, including standards for describing educational resources and the approach to BAEKTEL metadata definition. In section 4a ...
... join the BAEKTEL network in the future, can be easily integrated in the current network. In addition, the framework can integrate OER that are not created by institutions within the network, the only condition being that those resources are registered and described in the central metadata repository ...
... might join the BAEKTEL network in the future, can be easily integrated in the current network. In addition, the framework can integrate OER that are not created by institutions within the network, the only condition being that those resources are registered and described in the central metadata repository ...Ranka Stanković, Olivera Kitanović, Ivan Obradović, Roberto Linzalone, Giovanni Schiuma, Daniela Carlucci. "Using Metadata For Content Indexing Within An OER Network" in Proceedings of the Fifth International Conference on e-Learning, eLearning 2014, September 2014, Belgrade, Serbia, Belgrade : Belgrade Metropolitan University (2014)
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Chemo-probe into the mantle origin of the NW Anatolia Eocene to Miocene volcanic rocks: Implications for the role of, crustal accretion, subduction, slab roll-back and slab break-off processes in genesis of post-collisional magmatism
Post-collisional Cenozoic magmatic activity in NW Anatolia produced widespread volcanism across the region. In the Biga Peninsula, in the west, medium-K calc-alkaline to ultra-K rocks with orogenic geochemical signature were emplaced at ~43–15 Ma (Biga orogenic volcanic rocks; BOVR). Volcanic activity in the Central Sakarya region, to the east, is mainly restricted to ~53–38Ma, but also continued during the Early Miocene with small basaltic extrusives (Sakarya orogenic volcanic rocks; SOVR). This study presents a new set of geochemical data ...E. Yalçın Ersoy, Martin R. Palmer, Ş. Can Genç, Dejan Prelević, Cüneyt Akal, İbrahim Uysal. "Chemo-probe into the mantle origin of the NW Anatolia Eocene to Miocene volcanic rocks: Implications for the role of, crustal accretion, subduction, slab roll-back and slab break-off processes in genesis of post-collisional magmatism" in Lithos (2017). https://doi.org/10.1016/j.lithos.2017.07.006
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Prioritization of strategic measures for strengthening the security of supply of the Serbian natural gas sector
To strengthen the security of supply of the Serbian gas sector, it is necessary to analyze the impact of planned strategic measures. The analysis involves the identification of the most influential threats to the security of natural gas supply and prioritization of the strategic measures for overcoming the consequences of threats. The proposed methodology is based on Fuzzy Analytic Hierarchy Process. The obtained weights for the identified threats and strategic measures are formed according to experts' judgments. The results ...Sigurnost snabdevanja, Donošenje odluka, Snabdevanje prirodnim gasom, Fazi AHP, Energetski indikatoriBoban Pavlović, Dejan Ivezić, Marija Živković. "Prioritization of strategic measures for strengthening the security of supply of the Serbian natural gas sector" in Energy Policy, Elsevier BV (2020). https://doi.org/10.1016/j.enpol.2020.111936
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Extensive vibrations of the belt conveyer drive electromotor of a bucket wheel excavator as a result of intesified wear-and-tear of its mount support
Vesna Damnjanović, Predrag Jovančić, Snežana Aleksandrović. "Extensive vibrations of the belt conveyer drive electromotor of a bucket wheel excavator as a result of intesified wear-and-tear of its mount support" in Journal of Vibroengineering (2017). https://doi.org/10.21595/jve.2016.17321
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Strain partitioning in a large intracontinental strike-slip system accommodating backarc-convex orocline formation: The Circum-Moesian Fault System of the Carpatho-Balkanides
Nemanja Krstekanić, Liviu Matenco, Uroš Stojadinović, Ernst Willingshofer, Marinko Toljić, Daan Tamminga (2022)oroklini, raspodela deformacija, transkurentna kretanja, Karpato-balkanidi, Cirkum-mezijski rasedni sistem... kinematic and structural study, focused on quantifying the CMFS deformation in the less understood area of the Serbian Carpathians, which links the deformation in the South Carpa- thians in the northeast to deformation in the Balkanides in the southeast. We correlate our results with previously published studies ...
... (Figs. 2, 4). The strike of these faults changes from NE-SW in the north, N-S in the centre, to NW-SE in the south. All observed deformation related to these faults is dominantly associated with (sub-)vertical strike-slip faults (Fig. 4). In the main fault zones, we commonly observed numerous closely-spaced ...
... the flanks of the Iron Gates gorge in the NW at studied point P1. For the scale, note the two standing men in the black rectangle. c) Metres-thick fault gouge and foliation and zoomed detail in the Variscan Ogradena granite in the Cerna Fault zone along the NW flanks of the Iron Gates gorge at studied ...Nemanja Krstekanić, Liviu Matenco, Uroš Stojadinović, Ernst Willingshofer, Marinko Toljić, Daan Tamminga. "Strain partitioning in a large intracontinental strike-slip system accommodating backarc-convex orocline formation: The Circum-Moesian Fault System of the Carpatho-Balkanides" in Global and Planetary Change, Elsevier BV (2022). https://doi.org/10.1016/j.gloplacha.2021.103714
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Hydrothermal Synthesized and Alkaline Activated Carbons Prepared from Glucose and Fructose—Detailed Characterization and Testing in Heavy Metals and Methylene Blue Removal
Sanja Krstić, Milan Kragović, Maja Pagnacco, Vladimir Dodevski, Branka Kaluđerović, Miloš Momčilović, Ivica Ristović, Marija Stojmenović (2018)glukoza, fruktoza, аktivni ugalj, hidrotermalni tretman, aktivacija hidroksida, teški metali, metilen plavo... compounds in comparison with glucose. To confirm differences in crystal structures of the activated samples, Raman spectrometric analyses were performed, and results are presented in Figure 3a and b. In Raman spectra, two typical Raman modes at around 1595 and 1340 cm−1 are clearly visible in all investigated ...
... is changed in the same manner as carbon content in the investigated samples. 3.1.4. SEM Analysis In order to explain and realize differences in morphological properties which occur due to activation by various hydroxides, SEM analyses of samples were performed and results are presented in Figure 5a–c ...
... and participated in writing paper; V.D. performed experiments related with determination of textural properties and participated in explaining results; B.K. participated in experiments related with synthesis of the samples and in explaining of the obtained results; M.M. participated in performing experiments ...Sanja Krstić, Milan Kragović, Maja Pagnacco, Vladimir Dodevski, Branka Kaluđerović, Miloš Momčilović, Ivica Ristović, Marija Stojmenović . "Hydrothermal Synthesized and Alkaline Activated Carbons Prepared from Glucose and Fructose—Detailed Characterization and Testing in Heavy Metals and Methylene Blue Removal" in Minerals, MDPI (2018)
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Vebran Web Services for Corpus Query Expansion
Ranka Stanković, Miloš Utvić (2020)U ovom radu se govori o razvoju veb usluga Vebran i njihovoj primeni u poboljšanju pretraživanja korpusa. Veb-servisi Vebran koriste se za konsultovanje spoljnih leksičkih izvora za srpski jezik (uglavnom elektronski morfološki rečnici i srpski Vordnet) i proširivanje korisničkih upita radi dobijanja relevantnijih rezultata iz srpskih korpusa.... web services and their usage of lexical re- sources are discussed in Section 4. Morphological and semantic corpus query expansion, based on Vebran web services, is described in detail in subsec- tions 4.2 and 4.3 respectively. Finally, in Section 5 we conclude with some remarks concerning the future work ...
... related fields, in Serbian, English and German languages. The languages in this dictionary have equal status. Online version currently includes 40,000 entries, but for the imple- mentation of our web service, the older version is used with 23,400 entries (11,300 in English and 12,100 in Serbian, 910 definition ...
... lemma X in a given user query with the corresponding inflected forms of X in the specified alphabet(s) and, optionally, with restrictions regarding grammat- ical categories. Inflected forms are stored in LeXimirka database and orig- inate from Unitex DELAF and DELACF dictionaries, described in Section ...Ranka Stanković, Miloš Utvić. "Vebran Web Services for Corpus Query Expansion" in Infotheca, Faculty of Philology, University of Belgrade (2020). https://doi.org/10.18485/infotheca.2019.19.2.5
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Environmental Energy Security Indicators as Tools for Environmental Protection
Еколошка прихватљивост је постала незаменљив синтезни показатељ сваке валидне енергетске анализе у последње две-три деценије. Енергетска безбедност је у директној хармонији с еколошком прихватљивошћу кроз многе прописане политичке циљеве, економске користи, правне тековине итд. Индикатори еколошке сигурности представљају један од основних елемената за одређивање енергетске безбедности и снажне алате за усмеравање енергетског сектора ка одрживом развоју. У овом раду, анализа је била концентрисана на показатеље енергетске безбедности у области животне средине који се односе на сектор природног гаса у ...енергетска безбедност, еколошки енергетски индикатори, заштита животне средине, еколошка прихватљивост... new investments and develop markets. Energy security is one of the most important indicators in determining the current state and defining the future development. Bearing in mind that demand for energy in the South East Europe is growing, and that supply sources are increasingly limited and unevenly ...
... scenarios [2-4]. One of the key elements of energy policy in the Republic of Serbia, which has been actively promoted, is energy security. Energy security is a synthesis of the geopolitical and energy aspects of energy availability in various forms in satisfactory quantities and at affordable prices. Energy ...
... Republic of Serbia is in the process of accession to the EU, with the status of a candidate country. Serbia has signed and ratified the Treaty establishing the Energy Community in 2006. [6]. Based on the Treaty, implementation of core parts of the EU acquits Communautaire in environment and energy ...Aleksandar Madžarević, Dejan Ivezić, Marija Živković , Miloš Tansijević. "Environmental Energy Security Indicators as Tools for Environmental Protection" in Mining and Environmental Protection-MEP 2019, University of Belgrade, Faculty of Mining and Geology (2019)
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VENTEX: An Expert System for Mine Ventilation Systems Analysis
Analiza sistema za ventilaciju je komleksan proces, koji bazira na proračunu brojnih parametara, koji se odnose na: stanje mreže, provetrenost, stabilnost sistema, gubitke vazduha, klimatske uslove, gasno stanje, ugroženost od požara i opasne prašine. Navedeni problemi se uspešno rešavaju paketom SimVent, ali potpuno razumevanje i korišćenje dobijenih rezultata zahteva angažovanje iskusnog specijaliste iz oblasti ventilacije. Rešenje je nađeno u kreiranju ekspertnog sistema VENTEX, čija je baza znanja formalizacija ekspertskog znanja iz oblasti ventilacije rudnika. U radu je prikazana metodologija ...... y of incorporating knowledge in software systems. In the late 80’s it has been recognized that expert system methods and techniques can be very useful in solving mine ventilation problems. The early 90’s already brought a number of knowledge-based applications in mine ventilation systems analysis ...
... decomposition are described in Section 3. Implementation issues are discussed in Section 4, followed by a conclusion in the last section. 2. A FORMALIZATION OF VENTILATION STATE EVALUATION PROBLEM-SOLVING The analysis and evaluation of the mine ventilation state in VENTEX is based on numerical ...
... all rules in the system do not have to be related to particular objects KAPPA-PC offers the possibility of specifying rules independently, using a rule editor as shown in /Fig. 8/. Figure 8. Rule VentNetwork2 The rules incorporated in VENTEX system relate ventilation conditions in Yugoslav ...Ranka Stanković, Nikola Lilić, Ivan Obradović. "VENTEX: An Expert System for Mine Ventilation Systems Analysis" in YU Info '96 Brezovica, Društvo za informacione sisteme i računarske mreže (1996)
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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... (crystal plastic) structures found in the Paleozoic and in the Northern Tri- assic unit of the study area (Figs. 2, 3). Dynamic recrys- tallization of calcite and quartz was observed in thin section (Fig. 3) in association with numerous tight to iso- clinal F, folds in metasedimentary rocks (Figs. ...
... phases Field work was carried out in the study area in order to determine the superposition of deformation events in the different geological units. As a result of multi-scale structural analysis, an overview of the deformational structures is presented below in a relative chronological order ...
... direction is upwards in all pictures. For outcrop locations see Fig. 2a. a Remnants of tight to isoclinal F, folds and penetrative S, axial planar cleavage in the Drina-Ivanjica Paleozoic (outcrop 006). b WNW-verging tight to isoclinal F, folds in competent marble layers in the Drina-Ivanjica Paleozoic ...Kristof Porkoláb, Szilvia Kövér, Zsolt Benkó, Gabor Héja, Melinda Fialowski, Balázs Soós, Nataša Gerzina Spajić, Nevenka Đerić, László Fodor. "Structural and geochronological constraints from the Drina-Ivanjica thrust sheet (Western Serbia): implications for the Cretaceous–Paleogene tectonics of the Internal Dinarides" in Swiss Journal of Geosciences (2019)
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Microstructural and magnetic properties of electrospun hematite/cuprospinel composites
Phase composition, microstructural and magnetic properties of electrospun hematite/cuprospinel composites were investigated. Samples were synthesized starting with 0 to 10 mol% of copper relative to iron. The round shape of reference electrospun fbres was preserved upon their heating up to 600 °C in air, whereas at 700 °C hollow substructure was additionally formed. In these reference samples the presence of hematite phase was detected by XRPD. A small amount (traces) of Fe3O4 /γ-Fe2O3 was also found, due to the ...Electrical and Electronic Engineering, Condensed Matter Physics, Atomic and Molecular Physics and Optics, Electronic, Optical and Magnetic MaterialsMira Ristić, Aleksandar Kremenović, Michael Reissner, Željka Petrović, Svetozar Musić. "Microstructural and magnetic properties of electrospun hematite/cuprospinel composites" in Journal of Materials Science: Materials in Electronics, Springer Science and Business Media LLC (2020). https://doi.org/10.1007/s10854-020-03526-0
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Synergy between the mineral deposit exploration and geothermal resources assessment on the example of "Valjevo" boron and lithium deposit in Serbia
Nebojša Atanacković, Vladimir Živanović, Ana Vranješ, Sava Magazinović, Marinko Toljić, Ana Arifović, Branislav Potić (2023)Exploration of mineral deposits involves a collection of vast data sets on geological characteristics of the area. These data can largely contribute to the assessment of the geothermal potential, which can lead to an increase in the share of geothermal resources in the energy mix of the extractive industry and the local community. On the example of the "Valjevo" B-Li deposit, data on structural settings and previous hydrogeological investigations were combined with the results of resource drilling and geophysical ...... energy systems in the industry and the local community [2]. The "Valjevo" boron and lithium prospect is among receantly discovered deposits in Serbia, with borax mineralization identified in 2019. The deposit is in the exploration stage as a greenfield boron and lithium project in Western Serbia ...
... situated in the "Valjevo-Mionica" Miocene age basin, with mineral paragenesis typically comprised of probertite, ulexite, sirlezite, massive borax and Li-bearing smectite and silinaite minerals, deposited in three main zones: Borate zone, Borax zone and Lithium-borate zone. The basin basement in the ...
... basins spread in E-W direction with a maximal thickness around 900 m in central parts. The tectonic framework comprises older NE-SW and NW-SE faults, later overprinted with major E-W normal faults. Although the tectonic setting: of the basin is complex, the ore body zone is situated in a relatively ...Nebojša Atanacković, Vladimir Živanović, Ana Vranješ, Sava Magazinović, Marinko Toljić, Ana Arifović, Branislav Potić. "Synergy between the mineral deposit exploration and geothermal resources assessment on the example of "Valjevo" boron and lithium deposit in Serbia" in Proceedings 9th International Conference mining and environmental protection, MEP23, Sokobanja, 24-27th May 2023, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet (2023)
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Hydrochemical indicators of groundwater flow in the area of “Čukaru Peki” Cu-Au underground mine in eastern Serbia
The physical and chemical properties of groundwater, together with the groundwater levels regime and rock hydraulic properties, are often used to understand and conceptualize the hydrogeological system. Prediction of the influence of mining works on groundwater, and vice versa, is a challenge due to significantly altered groundwater flow patterns in the raw materials exploitation areas in relation to natural conditions. Therefore, multiple parameters are assessed and monitored before and during exploitation to properly characterize and quantify the system for ...Nebojša Atanacković, Vladimir Živanović, Jana Štrbački, Veselin Dragišić, Ivana Cvejić. "Hydrochemical indicators of groundwater flow in the area of “Čukaru Peki” Cu-Au underground mine in eastern Serbia" in 5th IAH CEG conference, Slovenian Committee of International Association of Hydrogeologists - SKIAH (2022)
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An Italian-Serbian Sentence Aligned Parallel Literary Corpus
This article presents the construction and relevance of an Italian-Serbian sentence-aligned parallel corpus, delving into the aligned sentences in order to facilitate effective translation between the two languages. The parallel corpus serves as a valuable resource for language experts, researchers, and language enthusiasts, fostering a deeper understanding of linguistic nuances and cultural expressions. By bridging the gap between Serbian and Italian, this corpus opens new avenues for cross-cultural communication and collaboration, and ultimately contributes to the improvement of language-related ...Saša Moderc, Ranka Stanković, Aleksandra Tomašević, Mihailo Škorić. "An Italian-Serbian Sentence Aligned Parallel Literary Corpus" in Review of the National Center for Digitization, Belgrade : Faculty of Mathematics, University of Belgrade (2023). https://doi.org/10.5281/zenodo.11203388