Претрага
920 items
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The shear strength evaluation of rough and infilled joints and its indications for stability of rock cutting in schist rock mass
Construction of E75 highway section through Grdelica gorge was one of the most demanding projects realized in recent Serbian history. The alignment approximately 25 km long consists of several tens of bridges, two tunnels, three galleries and cuts with total length of 6 km. The alignment passes through highly anisotropic Palaeozoic schist rock formation of different weathering grades. This study focuses on shear strength properties of discontinuities, which are found to be the critical feature contributing to the occurrence ...Dušan Berisavljević, Zoran Berisavljević, Svetlana Melentijević. "The shear strength evaluation of rough and infilled joints and its indications for stability of rock cutting in schist rock mass" in Bulletin of engineering geology and the environment, Springer (2022). https://doi.org/10.1007/s10064-022-02580-8
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Да ли су сви калкоалкални интраофилолитски гранитоиди источне Вардарске зоне јурске старости?
Шарић Кристина, Цветковић Владица, von Quadt, Albrecht, Peytcheva Irena, Малбашић Јована. "Да ли су сви калкоалкални интраофилолитски гранитоиди источне Вардарске зоне јурске старости?" in Српски геолошки конгрес, Врњачка Бања, 17‐20. мај 2018 no. 1, Врњачка Бања:Српско геолошко друштво (2018): 98-101
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A review of Veliki Majdan tailings dam rehabilitation,
Kostović Milena, Vitorović Zdravko (2011)Kostović Milena, Vitorović Zdravko. "A review of Veliki Majdan tailings dam rehabilitation," in Proceedings of the XIV Balkan Mineral Processing Congress II, Tuzla, Bosnia and Herzegovina:Faculty of Mining, geology and civil engineering in Tuzla and Faculty of Mining in Prijedor, University of Tuzla (2011): 799-801
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Да ли су сви калкоалкални интраофилолитски гранитоиди источне Вардарске зоне јурске старости?
Шарић Кристина, Цветковић Владица, von Quadt, Albrecht, Peytcheva Irena, Малбашић Јована. "Да ли су сви калкоалкални интраофилолитски гранитоиди источне Вардарске зоне јурске старости?" in Српски геолошки конгрес, Врњачка Бања, 17‐20. мај 2018 no. 1, Врњачка Бања:Српско геолошко друштво (2018): 98-101
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Популарна хидрогеологија: Да ли је Дунав карстна понорница? = Popular hydrogeology: Is the Danube a karstic sinking streams?
Стевановић Зоран (2013)Стевановић Зоран. "Популарна хидрогеологија: Да ли је Дунав карстна понорница? = Popular hydrogeology: Is the Danube a karstic sinking streams?" in Zapisnici Srpskog geološkog društva za 2012, Beograd:Српско геолошко друштво (2013): 93-100
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Vodosnabdevanje podzemnim vodama u Srbiji-stanje i perspektive
Dušan Polomčić, Zoran Stevanović, Petar Dokmanović, Petar Papić, Vesna Ristić-Vakanjac, Bojan Hajdin, Saša Milanović, Dragoljub Bajić (2011)... koji okružuje. Zona II obuhvata prostor sa kog voda dotiče do vodozahvatnog objekta za najmanje 50 dana, dok se Zona III određuje prema vremenu putovanja od 200 dana za koje se procenjuje da je dovoljno da se prirodnim procesima prečišćavanja vode smanje koncentracije zagađivača (slika 23). 4. PODZEMNE ...
... koji okruzZuje. Zona II obuhvata prostor sa kog voda doti¢e do vodozahvatnog objekta za najmanje 50 dana, dok se Zona III odreduje prema vremenu putovanja od 200 dana za koje se procenjuje da je dovoljno da se prirodnim procesima preciscavanja vode smanje koncentracije zagadivaca (slika 23). 67 68 ...
... >aširanih voda u Evropi de'nisana, kod nas se beleži u poslednjih nekoliko godina značajan rast potrošnje, što znači da se tržište još uvek nije stabilizovalo. Ipak, treba reći da je potrošnja znatno niža u odnosu na zemlje Evropske unije. U Srbiji postoji oko 40 izvorišta podzemnih voda za >aširanje ...Dušan Polomčić, Zoran Stevanović, Petar Dokmanović, Petar Papić, Vesna Ristić-Vakanjac, Bojan Hajdin, Saša Milanović, Dragoljub Bajić. "Vodosnabdevanje podzemnim vodama u Srbiji-stanje i perspektive" in Naših 40 godina, Beograd : Rudarsko-geološki fakultet (2011): 49-77
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Multiple-Criteria Decision-Making in Mine Development Planning
Sanja Bajić (2023)The Borska Reka ore deposit is an experimental location where developed methodologies have been applied. It is the largest ore body within the Bor mining complex, which has been the subject of numerous studies and analyses for more than three decades. The paper focuses on the application of FAHP and the VIKOR method to address ranking of alternatives and select the optimal mining method by means of fuzzy multicriteria optimization.Sanja Bajić. "Multiple-Criteria Decision-Making in Mine Development Planning" in Proceedings of the 5th International Underground Excavations Symposium, 5-6-7 June 2023, Istanbul, Topkapi : Dinç Ofset Mat. Rek. San. ve Tic. Ltd. Şti. (2023)
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An Approach to Efficient Processing of Multi-Word Units
Efficient processing of Multi-Word Units in the course of development of morphological MWU dictionaries is not easy to achieve, especially when languages with complex morphological structures are concerned, such as Serbian. Manual development of this type of dictionaries is a tedious and extremely slow process. To alleviate this problem we turned to our multipurpose software tool, dubbed LeXimir, in the production of lemmas for e-dictionaries of multi-word units. In addition to that, we developed a procedure aimed at making ...... of the first evaluation the results varied depending on the type of data used: for the first data set of general terms the system produced 84.97% of correct results (96.14% if we include partly correct solutions), for the second data set of specific terms 78.01% of correct results (88.42% with partly ...
... VebRanka (previously WS4QE), which is supported by the wsQueryExpand.asm web service. The web service accepts and generates data sets in XML format, which are further converted into data structures that can be used for different purposes (string, array, table, etc.). As examples of web service functions ...
... strategy, involving three data sets. The first set consisted of nouns and adjec- tives already available in the existing DELAC dictionaries. The MWU lemmas for dictionary entries were (re)produced by LeXimir and then compared to the (correct) dictionary lemmas. The second set of data consisted of common ...Cvetana Krstev, Ivan Obradović, Ranka Stanković, Duško Vitas. "An Approach to Efficient Processing of Multi-Word Units" in Computational Linguistics - Applications, Studies in Computational Intelligence 458 no. 458, Berlin Heidelberg : Springer-Verlag (2013): 109-129. https://doi.org/10.1007/978-3-642-34399-5_6
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Mikroplastika u peloidima iz Srbije i Slovenije
A. Šajnović, G. Gajica, F. Prosenc, S. Stojadinović, G. Veselinović, P. Trebše, P. Dabić, B. Jovančićević (2023)... 2023 kontaminaciju mikroplastikom (Tabela 1). lako je malo verovatno da će mikropalstika dimenzija između 1 i 5 mm preći barijeru ı pokazati bilo kakav fizički i toksični efekat na ljude, njihovo prisustvo ukazuje na to da je kontaminacija manjim mikro- i nanočesticama verovatna i moguća u ovim ...
... potrebna kako bi se pouzdanije interpretirali podaci i objasnilo ponašanje čestica mikroplastike u peloidima, budući da oni imaju široku i različitu primenu kod ljudi. Literatura 1. da Costa,J., Santos, P., Duarte, A., Rocha-Santos, T. Sci. Tota! Environ. 566-567 (2016) 15-26. 2. Alimi, O., Budarz ...
... Iz tog razloga za ispitivanja mikroplastike u okviru ovog rada izabrani su peloidi sa teritorije Republike Srbije ı Slovenije. Dodatni razlog je da su obe zemlje bogate banjama sa dugom tradicijom u balneoterapiji, gde se peloidi koriste u terapeutske i estetske svrhe. U Republici Srbiji banje ...A. Šajnović, G. Gajica, F. Prosenc, S. Stojadinović, G. Veselinović, P. Trebše, P. Dabić, B. Jovančićević. "Mikroplastika u peloidima iz Srbije i Slovenije" in 9. simpozijum Hemija i zaštita životne sredine EnviroChem2023, Kladovo, 4-7. jun 2023., Beograd : Srpsko hemijsko društvo (2023)
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Cutting Resistance Laboratory Testing Methodology for Underwater Coal Mining
... and the gearbox. However, the selection and construction of the excavator parts were performed on the ground of available laboratory data for digging resistance. The data itself was determined by the testing methodology that did not include the influence of surrounding water pressure at a certain depth ...
... and the gearbox. However, the selection and construction of the excavator parts were performed on the ground of available laboratory data for digging resistance. The data itself was determined by the testing methodology that did not include the influence of surrounding water pressure at a certain depth ...
... of appropriate methodology has led to development of a specific research and testing program to collect relevant data. The testing methodology was initially modified to provide reliable data of cutting resistance per unit of cutting-edge length engaged, KL, and cutting resistance per unit of slice cro ...Vladimir Čebašek, Veljko Rupar, Stevan Đenadić, Filip Miletić. "Cutting Resistance Laboratory Testing Methodology for Underwater Coal Mining" in Minerals, MDPI AG (2021). https://doi.org/10.3390/min11060564
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Flood protection and water utilization of karst poljes: example of Gatačko Polje, Eastern Herzegovina
Tina Dašić, Ljiljana Vasić (2020)Earth-Surface Processes,Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry,Global and Planetary ChangeTina Dašić, Ljiljana Vasić. "Flood protection and water utilization of karst poljes: example of Gatačko Polje, Eastern Herzegovina" in Environmental Earth Sciences, Springer Science and Business Media LLC (2020). https://doi.org/10.1007/s12665-020-08987-4
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Kristalografsko proučavanje strukturne desimetrizacije granata grosularsko-andraditske izomorfne serije
Pavle I. Tančić (2016-09-21)U ovoj Doktorskoj disertaciji proučavano je pet različitih zona makroskopski zonarnog grandita sa lokaliteta Meka Presedla (Kopaonik, Srbija). Pomoću hemijske i elektronske analize mikroprobe preračunati su relativno visoko homogeni sastavi zona, t.j.: Grs64±1Adr36±1Sps2 (A), Grs62±1Adr38±1Sps2 (B), Grs59±2Adr40±2Sps2 (C), Grs58±2Adr41±2Sps2 (D) i Grs58±1Adr41±1Sps2 (E). Glavne promene u sastavima izražene formulom: Ca2,93-2,97Mn0,05-0,06Mg0,00-0,01Al1,14-1,26Fe3+0,72-0,83Ti0,00-0,02Si2,97-3,02O12 ukazuju da je jedina značajnija varijacija ustanovljena samo kod Al-Fe3+ raspodela u oktaedarskom položaju. Ovakav hemijski sastav je potvrđen i sa matematičkim proračunima iz IC i Raman analiza. Urađena ...Macroscopically zoned grandite, chemical analysis, electron microprobe analysis, Raman, Rietveld, structure, dissymmetrization, space groupPavle I. Tančić. "Kristalografsko proučavanje strukturne desimetrizacije granata grosularsko-andraditske izomorfne serije" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-09-21)
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On the compatibility of lexical resources for NooJ
Lexical resources for many languages are provided for the NooJ linguistic development environment. Meta-data descriptions of morphosyntactic and semantic properties of these languages and their resources are a mandatory part of each language module. In this paper we analyze how well the meta-data actually describe resources for a chosen subset of languages and to what extent are they compatible across languages to support multilingual processing. We show that there is place for improvement in both directions.... the NooJ linguistic development environment. Meta-data descriptions of morphosyntactic and semantic properties of these languages and their resources are a mandatory part of each language module. In this paper we analyze how well the meta-data actually describe resources for a chosen subset of ...
... Paris-Est, Institut Gaspard-Monge. ISO. (2009) ISO 12620 Terminology and other language and content resources – Data Categories – Specification of data categories and management of a data category registry for language resources. http://nl.ijs.si/ME/V4/ ...
... m+f +n N_Struct=2XN+NCN+NPN+NsN+NX+PMCO+XN N_Distribution=Abst+Anl+AnlColl+Coll+Conc+Hum+H umColl+PR+Ntime+Ntps+Unit Hu PL N_Case=NOM+ACC+DAT+ILL+INE+ELA+ALL+AD E+ABL+SUB+SUP+DEL+INS+FAC+CAU+FOR+TER +SOC+ESS+TEM N_Posessive=PS N_OwnerNumber=ps_sg+ps_pl N_OwnerPerson=ps_1+ps_2+ps_3 ...Ranka Stanković, Miloš Utvić, Duško Vitas, Cvetana Krstev, Ivan Obradović. "On the compatibility of lexical resources for NooJ" in Automatic Processing of Various Levels of Linguistic Phenomena: Selected Papers from the 2011 International Nooj Conference, Cambridge Scholars Publishing (2012): 96-108
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A Fuzzy Expert Model for Availability Evaluation
Each technical system within itself carries the great potential danger of possible occurrence of failure and damages. Mining machines are characteristic by great investment values, costs of unplanned shutdowns, complex working conditions, and environment and workers hazards. Systematic monitoring of the mining machinery is of great importance for the management of the mining companies. Availability is the overall concept of quality of service. Includes information regard to operating state, an idle state, a standby state and shut down. The ...... Therefore, for providing relevant information about the availability of machines a significant amount of additional data and information should be included in analyses and processed. These data and information are very heterogeneous and include descriptions of failures, maintenance procedures, logistics’ ...
... max-min composition is presented in Fig. 3. D a ta f o rm Data collection: Reliability, Maintainability, Supportability Expert Judgments Data classification Fuzzification Fuzzy inference engine Identification Input data set Input fuzzy set Output fuzzy set Linguistic value Fuzzy ...
... expert system for availability (A) evaluation based on fuzzy interference of reliability (R), maintainability (M) and supportability (S) input data. Input data are introduced to a model based on experts’ opinions. Fig. 1. The fuzzy model for availability evaluation The mathematical and conceptual ...Dejan Ivezić, Miloš Tanasijević, Predrag Jovančić, Radiša Đurić. "A Fuzzy Expert Model for Availability Evaluation" in Proceedings of the 2019 20th International Carpathian Control Conference (ICCC), AGH University of Science and Technology, Kraków - Wieliczka, Poland (2019)
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Geothermal potential, chemical characteristic and utilization of groundwater in Serbia
To collect and unify data about all geothermal resources in Serbia, a database was formed. The database allows us to perceive the geothermal resources of Serbia and their potential for utilization. Based on the data available in the geothermal database, the estimated temperatures of reservoirs, heat power, and geothermal energy utilization were calculated. The database contains 293 geothermal records (springs, boreholes) registered at 160 locations, with groundwater temperatures in the range between 20 and 111 °C. The maximum expected ...Geothermal database, Geothermal resources, Geothermal potential, Hydrochemistry, Hierarchical cluster analysis, SerbiaTanja Petrović Pantić, Katarina Atanasković Samolov, Jana Štrbački, Milan Tomić. "Geothermal potential, chemical characteristic and utilization of groundwater in Serbia" in Environmental Earth Sciences, Springer Link (2021). https://doi.org/https://doi.org/10.1007/s12665-021-09985-w
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A new polymorph of Ba(AsO3OH): Synthesis, crystal structure and vibrational spectra
Tamara Đorđević, Ljiljana Karanović (2010)A new monoclinic polymorph of Ba(AsO3OH) was synthesized under hydrothermal conditions. It represents a previously unknown structure type. Its crystal structure was determined from a racemic twin using single-crystal X-ray diffraction data collected at 120 and 293 K [space group P21, a=7.2149(14)/7.2370(2), b=7.7028(15)/7.7133(2), c=21.7385(43)/21.8079(5) Å, β=95.95(3)/96.073(1)1, V=1201.6(4)/1210.51(5) Å3, Z=12]. The crystal structure of P21-Ba(AsO3OH) has a layered character and is built up of four types of regularly alternating layers parallel to (0 0 1). Every AsO3OH tetrahedron is chelating to two Ba atoms and ...Ba(AsO3OH), хидротермална синтеза, структурна анализа монокристала, Раманска спектроскопија, инфрацрвена спектроскопија, водоничне везе, хидрогенарсенати земноалкалних металаTamara Đorđević, Ljiljana Karanović. "A new polymorph of Ba(AsO3OH): Synthesis, crystal structure and vibrational spectra" in Journal of Solid State Chemistry, Elsevier BV (2010). https://doi.org/10.1016/j.jssc.2010.09.027
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A proposal for the landslide damage questionnaire in suburban areas
Landslides are one of the most often natural disasters that have an extensive impact on society including loss of life, destruction of infrastructure and properties, damage to land and loss of natural resources. Landslide losses can significantly vary and they depend on a variety of different criteria such as the size and type of landslide, lithological setting of terrain, the terrain slope gradient, the quality of materials used for construction, and the construction typology. Damage from landslides is usually ...Uroš Đurić, Biljana Abolmasov, Miloš S. Marjanović, Sanja Jocković, Miloš D. Marjanović. "A proposal for the landslide damage questionnaire in suburban areas " in 5th Regional symposium on landslides in Adriatic–Balkan Region, 23-26 March 2022, Faculty of Civil Engineering, University of Rijeka and Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb (2022)
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Multi-Criteria Fuzzy-Stochastic Diffusion Model of Groundwater Control System Selection
When considering data and parameters in hydrogeology, there are often questions of uncertainty, vagueness, and imprecision in terms of the quantity of spatial distribution. To overcome such problems, certain data may be subjectively expressed in the form of expert judgment, whereby a heuristic approach and the use of fuzzy logic are required. In this way, decision-making criteria relating to an optimal groundwater control system do not always have a numerical value. Groundwater control scenarios (alternatives) are identified through hydrodynamic ...expert judgment, linguistic variables, fuzzy dynamic TOPSIS, hydrogeology, groundwater control system, open-cast mine, geometric Brownian motionDušan Polomčić, Zoran Gligorić, Dragoljub Bajić, Miloš Gligorić, Milanka Negovanović. "Multi-Criteria Fuzzy-Stochastic Diffusion Model of Groundwater Control System Selection" in Symmetry, MDPI AG (2019). https://doi.org/10.3390/sym11050705
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Application of geophysical surveys for solving the problem of leakage of an embankment dam
Branislav Sretković, Dejan Vučković, Dejan Miloševski. "Application of geophysical surveys for solving the problem of leakage of an embankment dam" in 18. Kongres geologa Srbije "Geologija rešava probleme", Divčibare, 01-04 jun 2022., Srpsko geološko društvo (2022)
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Физика
Весна Дамњановић (2022)Весна Дамњановић. Физика, Београд : Универзитет у Београду, Рударско-геолошки факултет, 2022