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1492 items

  • Insights into dike nucleation and eruption dynamics from high-resolution seismic imaging of magmatic system at the East Pacific Rise

    Milena Marjanović, Suzanne M. Carbotte, Alexandre Stopin, Satish C. Singh, René-Édouard Plessix, Miloš Marjanović, Mladen R. Nedimović, Juan Pablo Canales, Hélène D. Carton, John C. Mutter, Javier Escartín (2023)
    Multidisciplinary

  • Mechanosynthesis and structural characterization of nanocrystalline Ce1–Y O2– (x=0.1–0.35) solid solutions

    Martin Fabián, Bratislav Antić, Vladimír Girman, Milica Vučinić-Vasić, Aleksandar Kremenović, Shigeru Suzuki, Horst Hahn, Vladimír Šepelák (2015)
    A series of nanostructuredfluorite-type Ce1–xYxO2–δ (0rxr0.35) solid solutions, prepared via highenergy milling of the CeO2/Y2O3mixtures, are investigated by XRD, HR-TEM, EDS and Raman spectroscopy. For thefirst time, complementary information on both the long-range and short-range structural features of mechanosynthesized Ce1–xYxO2–δ, obtained by Rietveld analysis of XRD data and Raman spectroscopy, is provided. The lattice parameters of the as-prepared solid solutions decrease with increasing yttrium content. Rietveld refinements of the XRD data reveal increase in microstrains in the host ceria ...
    Ceria, Yttrium, Solid solution, Mechanosynthesis, Oxygen vacancy, Nanocrystalline material

  • Stratigraphic implications of the Mio-Pliocene geodynamics in the area of Mt. Avala: new evidence from Torlak Hill and Beli Potok (Belgrade, Serbia)

    Ljupko Rundić, Meri Ganić, Slobodan Knežević, Dejan Radivojević, Miloš Radonjić (2019)
    Mt. Avala is located on the southern margin of the Pannonian basin (SPB), a border zone between the uplifted morphostructures of the Dinarides and Carpathian-Balkanides. Similar to the Pannonian basin, tectonostratigraphic evolution of the Mt. Avala area during the last 23 Ma has is characterized by syn- and post-rifting processes as well as tectonic inversion. Here, we present the results of field investigations of the Miocene‒Pliocene dynamics that led to different spatial positions of the same stratigraphic units (e.g. ...
    мио-плиоценска геодинамика, јужни Панонски басен, Авалски и Торлак хорст, Белопоточки трог, Србија
    ... HORVÁTH, F., MUSITZ, B., BALÁZS, A., VÉGH, A., UHRIN, A., NÁDOR, A., KO- ROKNAI, B., PAP, N., TÓTH, T. & WÓRUM, G. (2015): Evolution of the Pan- nonian basin and its geothermal resources.‒ Geothermics, 53, 328–352. doi: 10.1016/j.geothermics.2014.07.009 IVKOVIĆ, A., VUKOVIĆ, A., NIKOLIC, J., KOVAČEVIĆ, D ...
    ... hill: Panoramic view of the Bučvar stream towards the NE (a), a view inside the stream valley (b), a detail of reddish conglomerates, light-brown coarse-grained sandstones in intercalation with green silt and clay (c, d). G eo lo g ia C ro a tica Rundić et al.: Stratigraphic implications of the ...
    ... stratigraphic units (e.g. Badenian and Pannonian) in a relatively small area. These spatial relationships are interpreted in the context of pronounced block structures (Torlak, Beli Potok and Avala). Torlak Hill represents a horst structure with a core composed of Mesozoic rocks and hillsides composed ...

  • Analogue modelling of strain partitioning along a curved strike-slip fault system during backarc-convex orocline formation: Implications for the Cerna-Timok fault system of the Carpatho-Balkanides

    Nemanja Krstekanić, Ernst Willingshofer, Taco Broerse, Liviu Matenco, Marinko Toljić, Uroš Stojadinović (2021)
    analogno modelovanje, raspodela deformacija, geometrija indentera, Černa i Timok rasedni sistem
    ... partitioning along a curved strike-slip fault system during backarc-convex orocline formation: Implications for the Cerna-Timok fault system of the Carpatho-Balkanides Nemanja Krstekanić a,b,*, Ernst Willingshofer a, Taco Broerse a, Liviu Matenco a, Marinko Toljić b, Uros Stojadinovic b a Utrecht University ...
    ... allows a detailed understanding of strain partitioning mechanisms during its Oligocene – middle Miocene evolution. We have chosen a strategy in the presentation of our results that involves first the description of a reference model with a simple analogue modelling setup, followed by a parametrical ...
    ... (structure 2) represents a thoroughgoing strike- slip system. This structure is characterized by a change in fault dip angle, from sub-vertical in the north to steeply eastward-dipping in the south (e.g., compare cross-sections a-a’, b-b’ and c-c’ in Fig. 3g), consistent with a southward increase of ...

  • A WebGIS Decision Support System for Management of Abandoned Mines

    Ranka Stanković, Nikola Vulović, Nikola Lilić, Ivan Obradović, Radule Tošović, Milica Pešić-Georgiadis (2016)
    ... viewed in a pop-up window, with a link to detailed data. Energies 2016, 9, 567 4 of 14 Figure 1. Main page of the Cadastre of Abandoned Mines of Vojvodina. (a) (b) (c) (d) Figure 2. Selection of (a) visible layers; (b) Search; (c) Legend and (d) Manual. Detailed information about a mine site ...
    ... between unrelated programs when sending or receiving pre-generated map imagery to users who have issued a request. Simply put, the WMS is a service by which the client can send a request to view a map from a server. This cartographic web service produces maps of georeferenced data by drawing them in the ...
    ... errors reporting a tool based on Bugzilla [29] is used, customized and maintained by the Faculty of Mining and Geology [12]. The user has the option to search the list of topics similar to the current problem, and report a new problem. It is necessary to define a title for the error, give a brief description ...

  • Terenska nastava iz geofizike: Arheološki lokaliteti na području Trstenika

    Dragana Đurić, Jelena Vukčević, Dejan Vučković, Ivana Vasiljević, Vesna Cvetkov (2020)
    geofizika, geofizička istraživanja u arheologiji, arheologija u okolini Trstenika
    ... četiri godine. Lokaliteti U periodu od 2016. do 2019. go- dine u široj okolini Trstenika, a u okviru 31 A k t u e l n a i n t e rd i s c p l i n a r n a i s t ra ž i v a n j a t e h n o l o g i j e u a r h e o l o g i j i j u g o i s t o č n e E v ro p e sprovođenja terenske nastave, geofizič- ...
    ... a, u narednom tekstu. - Zahvaljujući magnetometrij- skim ispitivanjima područja Stragari, 33 A k t u e l n a i n t e rd i s c p l i n a r n a i s t ra ž i v a n j a t e h n o l o g i j e u a r h e o l o g i j i j u g o i s t o č n e E v ro p e ukupne površine oko 2,5 ha, izvrše- no je lociranje ...
    ... savremenog crkvišta, preuređenog od strane meštana (Стокић и др., 2017; Анђелковић и др. , 2019) 35 A k t u e l n a i n t e rd i s c p l i n a r n a i s t ra ž i v a n j a t e h n o l o g i j e u a r h e o l o g i j i j u g o i s t o č n e E v ro p e rovatno iz mlađeg perioda, pri čemu su nađene ...

  • Утицај обртног магнетног поља на дерацемизацију кристала натријум-хлората

    М. Милојевић, А. Жекић, П. Дабић, Б. Вучетић, Б. Максимовић (2023)
    ... Crysf. Growth Des., 15 (2015) 5476–5484. [4] K. Suwannasang, A. E. Flood, C. Rougeot, G. Coquerel, Cryst. Growth Des., 13 (2013) 3498—3504. [5] M. M. Milojević, B. M. Vučetić, B. Z. Maksimović, O. R. Klisurić, M. M. Mitrović, A. A. Žekić, 4CS omega, 7 (2022) 47701— 47708. XXVIII Koudepennuja ...
    ... influence of a rotating magnetic field on the deracemization of sodium chlorate crystals from aqueous solutions saturated at temperature 7, =(31.0+0.1)"C. Crystals were nucleated and grown in a thermally insulated vessel filled with 20 ml of solution at temperature 7 =(26.0+0.1)"C „in a rotating ...
    ... Crysf. Growth Des., 15 (2015) 5476–5484. [4] K. Suwannasang, A. E. Flood, C. Rougeot, G. Coquerel, Cryst. Growth Des., 13 (2013) 3498—3504. [5] M. M. Milojević, B. M. Vučetić, B. Z. Maksimović, O. R. Klisurić, M. M. Mitrović, A. A. Žekić, 4CS omega, 7 (2022) 47701— 47708. 289 Conference of the ...

  • Groundwater resources for drinking water supply in Serbia´s Southeast Pannonian basin

    Dušan Polomčić, Bojan Hajdin, Marina Ćuk, Petar Papić, Zoran Stevanović (2014)
    menadžment podzemnih voda, monitoring, kvalitet podzemnih voda, bilans, baza podataka

  • 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

  • Towards translation of educational resources using GIZA++

    Ivan Obradović, Dalibor Vorkapić, Ranka Stanković, Nikola Vulović, Miladin Kotorčević (2016)
    ... as excel file (Image 3, front). A “phrase table”1 is a statistical description of a parallel corpus of source-target language sentence pairs, created during the training process. The frequencies of n-grams in a source language text that co-occur with n-grams in a parallel target language text represent ...
    ... is a file that contains paired Serbian and English words with a factor of accuracy for translation from Serbian to English and from English into Serbian. In the background of Image 3 GIZA++ program the output result of machine translation is shown as a “phrase table”, which is analysed in a custom ...
    ... speeds up the translator's work. Main key functions of a CAT tool that speed up and improve translation are: [11]  A CAT tool segments the source text in segments, usually sentences, and uses them to filter and preview the matching segments in a suitable way, usually in specific box, next to or below ...

  • Strategic Environmental Assessment in the Application of Preventive Protection for Wind Farm Noise—Case Study: Maestrale Ring Wind Farm

    Boško D. Josimović, Aleksandar Cvjetić, Božidar Manić (2021)
    Determining the spatial position of wind turbines is the initial and most important phase in the development of a wind farm project. In this sensitive phase, all potential problems that may arise in the later stages of project development should be prevented by means of spatial and urban planning instruments. This makes it possible to achieve maximum use of the potential of wind in a particular space and, thus, fulfil the technical and economic requirements of the project while ...
    Energija,energetski inženjering i elektroenergetska tehnologija,obnovljivi izvori energije, održivost i životna sredina,električni i elektronski inženjering,kontrola i optimizacija,inženjering
    ... the night, from Figure 3 a somewhat different situation can be seen. Namely, it is evident that specific sensitive receptors, numbered 1, 2, 3, 4, 7 and 8, in Zone 4 are in the area where there is a noise limit level for the night period, which amounts to 45 dB(A) for a residential area. The results ...
    ... With regard to wind farm projects, a so-called partial impact assessment can be carried out in the form of a special impact assessment and then incor- porated into a holistic approach in the consideration of interactions between the existing and planned purposes for a particular area in the SEA process ...
    ... conceptual stages of a planning proposal, while respecting the capac- ity of the space and involving the public in all phases of developing and adopting the SEA. In this context, SEA makes a significant contribution to the decision-making process with regard to the future development of a particular space ...

  • Review: Methodological approaches and research techniques for addressing construction and remediation problems in karst reservoirs

    Saša Milanović, Ljiljana Vasić (2021)
    Earth and Planetary Sciences (miscellaneous), Water Science and Technology

  • Properties of fly ash and slag from the power plants

    Miloš Šešlija, Aleksandra Rosić, Nebojša Radović, Milinko Vasić, Mitar Đogo, Milovan Jotić (2016)
    This paper describes the physical, chemical and mineral properties of ash and slag, which were taken from thermal power plants Nikola Tesla A, Nikola Tesla B, Kostolac A and Kostolac B. The knowledge of the mineralogical material composition is important because the type of minerals directly determines the properties of the fly ash and slag and their possible application. Laboratory tests showed that ash and slag samples consist of the following minerals: amorphous materials, quartz, feldspar, mullite, melilite, cristobalite, ...
    fly ash, slag, physical composition, chemical composition, mineral composition, X-ray diffraction method
    ... C ro a ti ca Geologia Croatica 69/3322 According to this classification, fly ash from PPNT A for May and June belongs to the aluminum-silicate group, and slag belongs to a silicate group, because the module is in the range of 2 to 6. Fly ash from PPNT B, PPKO A and PPKO B belongs to a silicate ...
    ... diffraction method cal properties, chemical and mineral compositions of the fly ash from thermal power plants (PP) „Nikola Tesla A” (NT A), „Nikola Tesla B” (NT B), „Kostolac „A” (KO A) and „Kostolac B” (KO B). The physical properties of the ash and slag facilitate their use as building materials for transport ...
    ... as a construction substitute thus preservinglimited reserves of natural building materials. 2. STUDY AREA PPNT A is the most important producer of electricity in Serbia and is built on the bank of the river Sava. PPNT A is 4 km from Obrenovac, PPNT B is located 16 km upstream from PPNT A (Fig ...

  • 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
    ... with a T max value of about 460 °C. Because kerogen type I has a very narrow temperature range for the oil window, T max is not a reliable maturity indicator for sediments with kerogen type I. T max is also not suitable for source rocks containing kerogens that generate petroleum at a lower ...
    ... associated with a T,nax value of about 460 °C. Because kerogen type I has a very narrow temperature range for the oil window, Tnax is not a reliable maturity indicator for sediments with kerogen type I. T max is also not suitable for source rocks containing kerogens that generate petroleum at a lower level ...
    ... 14-456 points per sample were measured. Standard deviations ranged from 0.038 in a coal sample to 0.061 in a sample with the finest-grained dispersed particles. Vitrinite reflectance, as a well standardized method, is a key diagnostic tool for assessing thermal maturity (ICCP, 1963-1975, 1998; Mukhopadhyay ...

  • Preliminary regional landslide susceptibility assessment using limited data

    Igor Peshevski, Milorad Jovanovski, Biljana Abolmasov, Jovan Papic, Uroš Đurić, Miloš Marjanović, Ubydul Haque, Natasha Nedelkovska (2019)
    In this paper a heuristic approach for preliminary regional landslide susceptibility assessment using limited amount of data is presented. It is called arbitrary polynomial method and takes into account 5 landslide conditioning parameters: lithology, slope inclination, average annual rainfall, land use and maximum expected seismic intensity. According to the method, in the first stage, a gradation is performed for each of the carefully selected conditioning parameters by assigning so called rating points to the grid cells on which the ...
    klizišta, podložnost
    ... map at any scale, but despite this, it is rarely the case that a par- ticular model can be applied that gives the same results for dif- ferent study area. Also, using a large number of conditioning fac- tors in a particular analysis is not a guarantee for successful susceptibility modelling. Factor selection ...
    ... –Karnik (MSK) scale is used as a reference in the presented case study. If other types of seis- mic data are available for a particular region, it can be rated in a similar manner. Figure 1. Flow-chart of the arbitrary polynomial method. G eo lo g ia C ro a ti ca Geologia Croatica 72/184 ...
    ... railways, a highway, well developed network of regional and local roads (mostly in the mountains), ski centers, and a very important hydro energy system consisting of 130 km of water distribution channels accompanied by 167 km of service roads. In a geological context, the study area belongs to a larger ...

  • Hydrochemical features and their controlling factors in the Kucaj-Beljanica Massif, Serbia

    Fen Huang, Ljiljana Vasic, Xia Wu, Jianhua Cao, Saša Milanovic (2019)
    Earth-Surface Processes, Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry, Global and Planetary Change

  • 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

  • Development of an integrated model for open-pit-mine discontinuous haulage system optimization

    Miodrag Čelebić, Dragoljub Bajić, Sanja Bajić, Mirjana Banković, Duško Torbica, Aleksej Milošević , Dejan Stevanović (2024)
    equipment selection, mine mechanization, expert judgment, linguistic variables, MCDM, FAHP

  • Determining the Availability of Continuous Systems at Open Pits Applying Fuzzy Logic

    Miljan Gomilanović, Miloš Tanasijević, Saša Stepanović (2022)
    This work presents a model for determining the availability of continuous systems at open pits by applying fuzzy logic and fuzzy inference systems. The applied model was formed by the synthesis of independent partial indicators of availability. The model is based on an expert system for assessing the availability of continuous mining systems. The availability of the system, as a complex state parameter, is decomposed into the partial indicators, reliability, and convenience of maintenance, and the fuzzy compositions, used ...
    системи, континуални систем експоатације, површински коп, рударство, расположивост, фази логика, max–min композиција, min–max композиција

  • Примена ПСП пумпи за експлоатацију вискозних флуида

    Алекса Трифуновић (2024)
    Производња парафинске нафте се током историје одвијала уз помоћ дубниских клипних пумпи, све до појаве ПСП система који су показали боље каратеристике и већу ефикасност. Функционални дизајн пумпе омогућава производњу вискозних и абразивних мултифазних флуида, уз ниска капитална улагања. У раду је анализирана проблематика рада укључују губитке протока флуида, производњу песка, оштећење клипних шипки и тубинга и сам притисак на дну бушотине. Рађена је студија случаја за нафно лежиште „М“ у коме је приказан цео производни век почевши од ...
    парафинска нафта, систем ПСП, производња нафте, студија случаја
    ... He3MHr 3aBojHa nyMna “0nekcM6WnHa ocoBMHa Penykrop Tiporekrop EnekrpoMoTop ŽO VN A NNN N N N N N N A A A N A A NN NN NN N N N N NN AA A N N N A A A NN N NN N NN NA N N N A Cnuka 16 Cucmew enekmpuune ICII nyune CucTeM eJteKTpHuHux IICII nywr H peryaaTropoM (bp ...
    ... TyOHHTA4a lı naa a naanaaaaaaaaaaaaeaaaaaaaaavNt 11 2.1.4 Hwunak rpurucak Ha JIHy OyHIOTHHC alyn a aaaaaaaaaaaaaaaaeeaaaaeeaaaaaaaataı 12 3 VruyrcrBo 3a yrpajuby „PCP“ HyMIMCaaaaaaaaaaaaa a a a aaaaeaaaaaeaaaaaoNaatete 13 3.1 MuHcraznanunja CraTopa al aaaaaaaaaaaaa a a aa a a aaaaaaaateaaaaaataoNt ...
    ... aoat 14 3.3 Mncramamuja moroHcKor ypebaja a (Drive Head) .........aaaa a aanaaananeteot 17 4 · Crynmaja cmnyuaaja- HadirHo nojbe “MM“ altyaa a nanaeaaaaaaaaaaaaaaaaaaeaaaoaaatattt 19 FORUO:4:107 RRRGAAA 19 4.2 OCHOBHH TIOJA ......aaa n a da a a a aaaaaaaaaaaattaaatattt 20 43 · TeodpaMsHuka ...