Претрага

Упит dcterms_subject_txt:the Vodenička River

262 items

  • Petrološke karakteristike dunavskog šljunka (Beograd – Zemun)

    Miloš Mihajlović (2024)
    Dunavski šljunak u okolini Zemuna karakterističan je za obalne rečne naslage formirane dugotrajnim procesima erozije i transporta materijala koje reka Dunav nosi sa različitih područja uzvodno. Ispitivanja šljunka sa lokacije „Gemax” su pokazala je šljunak uglavnom zaobljen, najčešće u rasponu od nekoliko milimetara do nekoliko centimetara u prečniku. Kako Dunav nosi materijal sa velikog sliva, ovaj šljunak sadrži raznovrsne sastojke sa dominacijom kvarca i odlomaka stena visokosilicijskog sastava. Mineraloško-petrografska ispitivanja pokazala su prisustvo klasta različitog sastava, čime je potvrđena ...
    Dunav, šljunak, mineraloško-petrografska ispitivanja, građevinarstvo
    ... ABSTRACT The Danube gravel in the vicinity of Zemun is characteristic of coastal river deposits formed by long-term processes of erosion and transportation of materials carried by the Danube River from various upstream areas. Investigations ofthe gravel at the "Gemax" site have shown that the gravel ...
    ... Претрага репозиторијума доступна је на www.dr.rgf.bg.ac.rs The Digital repository of The University of Belgrade Faculty of Mining and Geology archives faculty publications available in open access, as well as the employees' publications. - The Repository is available at: www.dr.rgf.bg.ac.rs Univerzitet ...
    ... to several centimeters in diameter. As the Danube carries material from a large catchment area, this gravel contains a variety of components, with a dominance of quartz and fragments of high-silica rocks. Mineralogical-petrographic studies have revealed the presence of clasts with different c ...

  • Geotechnical Conditions for Construction of Savski Trg Metro Station as a Part of the Belgrade Metro Line One

    Nemanja Stanic, Dragoslav Rakic, Josip Isek, Slavoljub Simic (2024)
    In order to solve serious traffic congestion in Belgrade, a number of studies regarding the Belgrade Metro construction have been carried out since 1973. However, only in 2019, the routes of the future metro lines 1 and 2 were de-fined as a part of the General Metro Construction Project. The lines are de-signed to intersect at the location of Sava Square, where an interchange met-ro station will be built. It represents a complex geotechnical structure consist-ing of three different ...
    metro station, geotechnical modelling, displacements

  • BEYOND 2020 - Geology explorations and open pit activities affectation in reclamation designing in Kolubara Coal Mines (KCM) Serbia, new considerations

    Bojan Dimitrijević, Bogoljub Vučković, Radmila Gaćina (2023)
    Geology explorations in KCM runs from 1936. year up to these days and still ongoing. Results in >7,200 drill holes with ≈600,000 m of core drilling and gave lignite ore resources of > 4,1Bt, which 1,15Bt are excavated since 1986. of XIX up to early years of XXI century. For further mining operations in open pits stay 1,5Bt of lignite. Under waste heaps are ≈80 km2, additional 85 km2 should be filled. All of that masses/areas were, are ...

  • Hydrogeochemistry of Uranium in the Groundwaters of Serbia

    Marina Ćuk, Maja Todorović, Petar Papić, Jovan Kovačević, Zoran Nikić (2015)

  • Palaeoflora of Kamenica (Pranjani Basin, western Serbia)

    Zorica Lazarević, Ljubica Milovanović, Jelena Milivojević, Ivana Vasiljević (2019)
    Palaeofloras of the Paleogene in Serbia are relatively rare, especially in comparison with floras from Neogene sediments. Most Paleogene phytoas sociations from the territory of Serbia existed in a dry and warm climate. The youngest Paleogene phytoassociation originates from the Pranjani Basin (Western Serbia), locality Kamenica. The age of this palaeoflora is determined as Late Oligocene. This fossil plant assemblage is different from other Paleo gene phytoassociations.The palaeoflora from Kamenica is characterized with leaf imprints larger than in other ...
    макрофлора, млађи олигоцен, Прањански басен, Каменица
    ... taxons prevail in Kamenica palaeoflora. The other representative of the humid subtropical forest is represented by the Myrica (Plate 5, Figs. 1, 5) and Platanus neptuni (Plate 4, Fig. 10). These plant forms inhabited the banks of the river and the margins of the lake basin. a significant number of samples ...
    ... tuffits. The third horizon consists of marls and shales (ereMIja et al., 1977). The fossil fish Smerdis minutus (BLaINvILLe) (aN - đeLKOvIć, 1989) was found in the first horizon’s marls. This finding confirms the Oli gocene age of the sediments. The remains of the fossil plants, which are the subject ...
    ... from the same sediments. Based on fossil fish finding and comparison with other similar early Miocene floras, the deposits of the first horizon probably correspond to the upper parts of the Late Oligocene-early Miocene. The Zapadna Morava Gra ben, also known as the Čačak-Kraljevo Basin, is the largest ...

  • Development of integrated fuzzy model for mine management optimization

    Miodrag Čelebić, Sanja Bajić, Dragoljub Bajić, Dejan Stevanović, Duško Torbica, Vladimir Malbašić (2023)
    fuzzy logika, višekriterijumsko odlučivanje, ocenjivanje eksperata
    ... L-29C of the Bešpelj mine near Jajce in the Republic of Serbia, Bosnia and Herzegovina, which is the focus of the paper. Study area and geology. The Bešpelj bauxite mine is located on a spacious karst plateau, on the right bank of the Vrbas River. It is at a beeline distance of 10 km from the town ...
    ... defined and then the weight priority vectors determined, as described in Steps 1 through 5. Step 7. The final weights of the alternatives are determined by multiplying, the “weights” from the criteria matrix by the “weights” obtained under Step 6. The highest “weight” value represents the optimal a ...
    ... of Jajce to the north. The longer axis of deposit L-29C rends west-to-east (140 m), and the shorter axis is perpendicular (15 m long, apering out to 1 m in the east). The ore body is vertical. T'he deposit is close to he land surface, at a depth of about 100 m, and the quality of the bauxite ore ...

  • Conversion of land areas after coal mine closure and reclamation

    Radmila Gaćina, Bojan Dimitrijević, Sanja Bajić (2023)
    Otkopavanje uglja površinski i podzemno praćeno je degradacijom zemljišta, promenom formiranja predela i izmenom flore i faune. Od velikog značaja je razvoj novih naučno utemeljenih pristupa obnovljanje antropogeno poremećenih predela zasnovanih na formiranju rekultivacionih i rudarskih tehnologija. Apsolutno je neophodno obezbediti sveobuhvatno kvalitetno očuvanje zemljišnih i vodnih resursa i odrediti rekultivisano zemljište za novu namenu. U ovom članku je dat pregled najpopularnijih metoda rekultivacije zemljišta i mogućnosti rekultivacije zemljišta nakon završetka rekultivacije i zatvaranja rudnika uglja.
    rekultivacija, melioracija, revitalizacija, otkopavanje uglja, održivi razvoj
    ... height 50 m. The landfill slopes have been reclaimed. The thickness of bulk overburden material is 40-50 m. The area belongs to “Drmno” open pit is in the eastern part of the Kostolac coal basin, 1.e., east of the Mlava River. (Figure 1) igure 1. Location of study area - Drmno The Kostolac mining ...
    ... topographical changes of the green space that would directly affect the degradation of agricultural lands. Predictions of the effects on the environment are very important and present the concern in the sense of the loss of surface area and space for living. The study on the environment has a basic description ...
    ... basin is part of the municipality of Kostolac and the Braničevo district. The Drmno deposit area, as part of the southern rim of the Pannonian basin, has a moderately continental climate, in which the steppe-continental climatic influences of the neighboring Banat are emphasized. The average annual ...

  • XRD dertermination od hydrothermal phases related to epithermal mineralization in the Čukaru Peki deposit

    Dragana Bosić, Vladica Cvetković, Miodrag Banješević, Kristina Šarić (2024)
    Čukaru Peki, epithermal mineralization, hydrothermal alterations

  • Electronic Dictionaries - from File System to lemon Based Lexical Database

    Ranka Stanković, Cvetana Krstev, Biljana Lazić, Mihailo Škorić (2018)
    In this paper we discuss some well-known morphological descriptions used in various projects and applications (most notably MULTEXT-East and Unitex) and illustrate the encountered problems on Serbian. We have spotted four groups of problems: the lack of a value for an existing category, the lack of a category, the interdependence of values and categories lacking some description, and the lack of a support for some types of categories. At the same time, various descriptions often describe exactly the same ...
    ... Relations can exist between certain markers. For example, the hyperonymy/hyponymy relation exists between seman- tic markers: river (+River), which is a hydronym (+Hyd), which is a geographic concept (+Top), and thus all three are assigned to the lemma Dunav ‘Danube’. Some lemmas are related by some ...
    ... a single framework. The main advantage of the lemon model for the research outlined in this paper was its support for linking with other (lexical) data and the possibility to access data by using the standardized SPARQL query language. The model pre- sented is based on the lemon model, but some ...
    ... This was the main motiva- tion for transforming SMD dictionaries from the existing file system to a lemon based lexical database. The model for this lexical database was developed in compliance with the state of the art standards for lexical resources. In this paper we describe how the lexical database ...

  • Concepts for Improving Machine Learning Based Landslide Assessment

    Miloš Marjanović, Mileva Samardžić Petrović, Biljana Abolmasov, Uroš Đurić (2019)
    Katastar klizišta, Podložnost, Hazard, Mašinsko učenje, Uzorkovanje, Validacija

  • Parameter determination of soil oscillation law using quotient of the relative growth increments of oscillation velocity and reduced distances at “Nepričava“ open pit mine

    Suzana Lutovac, Sanja Bajić, Marina Ravilić, Radmila Gaćina (2015)
    ... of "Nepričava" Open Pit Mine The limestone deposit "Nepričava" is situated at a distance of about 7.0 km west of town of Lajkovac, along the road and railroad Lajkovac - Valjevo, on the left bank of Kolubara River in the nearest vicinity of village of Slovac. The limestone deposit "Nepričava" is ...
    ... its magnitude, being: the amount of explosive, the distance from the blast site, characteristics of the rock mass and the type of blasting, it is the equation of M. A. Sadovski that is used most commonly. In this paper, the law of Sadovsky is derived using the quotient of the relationship between ...
    ... plan it, the determination of soil oscillation law is required, with the strike: mine field - facilities to be protected. One of the most commonly used equations is that of M. A. Sadovski defining the law of alteration in the oscillation velocity of the soil depending on the distance, the explosive ...

  • Damage quantification of built stone on Dark Gate (Belgrade, Serbia): sample of damage index application for decay rate evaluation

    Maja Franković, Nevenka Novaković, Vesna Matović (2015)
    The Dark Gate is the monument of culture, part of the cultural and historical complex of the Belgrade Fortress. It is constructed of limestone blocks that after 270 years of exposure to environmental conditions and different anthropogenic influences show wide ranges of decay forms. During 2007, detail registration of all built limestone microfacies and weathering forms was done using tools of monument mapping. A correlation scheme ‘‘intensity– damage category’’ was made according to the type, intensity, and distribution of ...
    Krečnjak, mapiranje, Indeks raspadanja, brzina raspadanja, progresija
    ... descends from the Upper Town of the fortress, while on the western side River Sava is 50 meters away. According to the type of building material, the gate is a heterogeneous structure. South facade is built entirely of limestone blocks, while the inner part of the gate and the northern facade ...
    ... related to the destroyed waterproofing layers above the gate. Although the upper part of the gate is more influenced by wind that results in the faster drying process, the lower part of facades is influenced by the groundwater rising up. Additionally, gate position close to the Sava river (only ...
    ... and 2014, the eastern part of the gate was separated as the zone of the monument that had suffered the heaviest damage. Differ- ences among the values of damage indices showed that the position of the gate is one of the main causes of the present state of stone blocks built in the Dark Gate ...

  • Approach to operational mine planning: Case study Tamnava West

    Dejan Stevanović, Mirjana Banković, Milica Pešić Georgiadis, Ranka Stanković (2014)
    ... partings (14 sandstone and 32 clay), clay basement, interburden sandstone and overburden river sediments have been modeled within a stratigraphic section up to 98 m thick. The reason for so detail model lies in the fact that this model is base for coal homogenization process, so it need to represent ...
    ... Figure 2. Portion of the pit Tamnava West All the boreholes were drilled vertically, but the regional dip of the Tamnava West deposit in average is 3°, the apparent thickness of the intersected coal seams closely approximates the true thickness (except in the western part where intensive ...
    ... coal is the most important fuel in the generation of electricity, accounting for 65% of the power production 2. This fact is the main reason why production objectives of coal mine and power plant are strongly connected. The power plant owner is interested to know in advance the quality ...

  • Sitni, ali bitni: uloga sitnih sisara, herpetofaune i mekušaca u rekonstrukciji pleistocenskih paleosredina

    Katarina Bogićević, Draženko Nenadić, Dragana Đurić, Mihajlo Jovanović, Aleksandra Savković (2023)
    Fosilni ostaci životinja i biljaka imaju važnu ulogu u rekonstrukciji pleistocenskih paleosredina. U ovom radu opisan je značaj tri grupe životinja: sitnih sisara, herpetofaune I mekušaca. Mada je za rekonstrukciju važan sastav čitave asocijacije, nalasci pojedinih vrsta mogu biti dovoljno indikativni da otkriju tip staništa ili klimatske uslove. Posebnu teškoću pri rekonstrukciji paleosredina u Srbiji predstavlja činjenica da klimatske promene na Balkanskom poluostrvu nisu bile tako oštre kao u srednjoj i zapadnoj Evropi, pa ne postoji drastična razlika u ...
    ... whether the immediate environment was forest, steppe or open type (wet meadows to steppe), whether these are species that indicate marshy, river and lake environments or are in question forms that are exclusively related to loess and terrestrial living conditions, etc. Conclusion: The use of small ...
    ... from the genus Corbicu/a, which are present in the alluvial deposits of the northern parts of Serbia, have great climatic and stratigraphic significance. During the Middle Pleistocene, Corbicu/a retreated from the Pannonian Basiın, inhabiting the Caspian Basin, India and some parts of the American ...
    ... tion: The simplest and at the same time the most frequently used method for habitat type reconstruction is the method of ecological groups. For each species, it is determined in which group of habitats it most often lives today, and then the percentage representation of each group in the entire ...

  • Improvement of education through the cooperation between CEEPUS EURO Geo-Sci network and scientific projects: examples from UB-FMG

    Kristina Šarić, Dejan Prelević, Miloš Marjanović, Uroš Stojadinović, Vladimir Simić (2024)
    CIII-RS-0038, Recon Tethys, DEMONITOR, TMCmod, REASONING

  • A comparative study of the molecular and isotopic composition of biomarkers in immature oil shale (Aleksinac deposit, Serbia) and its liquid pyrolysis products (open and closed systems)

    Gordana Gajica, Aleksandra Šajnović, Ksenija Stojanović, Jan Schwarzbauer, Aleksandar Kostić, Branimir Jovančićević (2021)
    The molecular and isotopic composition of biomarkers in initial bitumen isolated from immature (0.41% Rr) oil shale samples (Aleksinac deposit) and liquid products obtained by pyrolysis in open (OS) and closed (CS) systems are studied. The influence of pyrolysis type and variations of kerogen type on biomarkers composition and their isotopic signatures in liquid products is determined. The applicability of pyrolysis type, numerous biomarkers and carbon isotopic compositions (δ13C) of n-alkanes in liquid pyrolysates is established. Pyrolysis experiments were ...
    Uljni šejl, Aleksinac, organska supstanca, otvoreni i zatvoreni sistem pirolize, biomarkeri, izotopski sastav ugljjenika

  • Evidence of Variscan and Alpine tectonics in the structural and thermochronological record of the central Serbo-Macedonian Massif (south-eastern Serbia)

    Milorad D. Antić, Alexandre Kounov, Branislav Trivić, Richard Spikings, Andreas Wetzel (2016)
    General Earth and Planetary Sciences
    ... of Vranjska Banja area, located between the Surdulica granodiorite and the Južna Morava River (Fig. 2), were traditionally attributed to Vlasina Unit, although they show evidence of higher metamorphic grade than the greenschist facies typical for the Vlasina Unit (Babović et al. 1977). Mineral ...
    ... central SMM into the Lower Complex and Vlasina Unit is generally based on the metamorphic grade, we designate the metamorphic rocks in Vranjska Banja area as a part of the Lower Complex (Figs. 2, 3). Structural fabric of Vranjska Banja area was mostly examined along a Banjska river valley east of ...
    ... ka river area (Vlasotince). Vesnik 44:101—128 Mladenović A, Trivić B, Antić M et al (2014) The recent fault kine- matics in the westernmost part of the Getic nappe system (East- ern Serbia): evidence from fault slip and focal mechanism data. Geol Carpath 65:147—161. doi:10.2478/geoca-2014-0010 ...

  • Fuzzy optimization in hydrodynamic analysis of groundwater control systems: Case study of the pumping station “Bezdan 1”, Serbia

    Dragoljub Bajić, Dušan Polomčić (2014)
    A groundwater control system was designed to lower the water table and allow the pumping sta-tion “Bezdan 1” to be built. Based on a hydrodynamic analysis that suggested three alternative solutions, mul-ticriteria optimization was applied to select the best alternative. The fuzzy analytic hierarchy process methodwas used, based on triangular fuzzy numbers. An assessment of the various factors that influenced the selec-tion of the best alternative, as well as fuzzy optimization calculations, yielded the “weights” of the alternativesand the ...
    groundwater lowering, groundwater management scenario, fuzzy analytic hierarchy process,expert knowledge, triangular fuzzy numbers, linguistic variables
    ... shows the lowering of the water table of the analyzed alternatives. For each alternative, the characteristics of the groundwater control system: the number of wells and their spatial distribution, and the time need- ed to achieve maximal lowering of the water table below the excavation for the “Bezdan ...
    ... canal stages in the study area. Shown below are the calculations for the selection of the best alternative in accordance with the above- described steps (the FAHP approach discussed in the previous section). The criteria matrix was produced by evaluating the criteria according to the fuzzified scale ...
    ... was not assumed that the best time was the shortest time. Instead, the time was related to the analyzed conditions and the eleva- tion of the water table for each alternative. • Characteristics of the groundwater control system (K2), which included the number of components of the groundwater control ...

  • Part of Speech Tagging for Serbian language using Natural Language Toolkit

    Ranka Stanković, Boro Milovanović (2020)
    Dok se razvijaju složeni algoritmi za NLP (obrada prirodnog jezika), osnovni zadaci kao što je označavanje ostaju veoma važni i još uvek izazovni. NLTK (Natural Language Toolkit) je moćna Python biblioteka za razvoj programa zasnovanih na NLP-u. Pokušavamo da iskoristimo ovu biblioteku za kreiranje PoS (vrsta reči) oznake za savremeni srpski jezik. Jedanaest različitih modela je kreirano korišćenjem NLTK API-ja za označavanje. Najbolji modeli se transformišu sa Brill tagerom da bi se poboljšala tačnost. Obučili smo modele na označenom ...
    obrada prirodnog jezika, mašinsko učenje, neuronske mreže
    ... H. Hon, “Hidden Markov Models” in Spoken Language Processing, Upper Saddle River, New Jersey: USA, ch. 8, sec. 2, pp. 378-391 [20] H. Daume III, “Frustratingly Easy Domain Adaptation,” Proc. 45th Annual Meeting of the Association for Computational Linguistics, Prague, Czech Republic, June 2007 ...
    ... tagging API. The best models are transformed with the Brill tagger to improve the accuracy. We trained the models on the tagged dataset counting 180,000 tokens. The best results on the test set of 20,000 tokens were demonstrated with the Perceptron tagger: 92,52 – 95,76% accuracy for the different ...
    ... It remembers the tags for the most frequent words, while marking all the other words as None. A number of the most frequent words for which the tags should be stored is configurable. Figure 2 shows how accuracy of the model measured on the whole dataset improves with the number of the stored tags ...

  • Srbija u OneGeology Europe

    Danka Blagojević, Ranka Stanković, Petar Stejić, Velizar Nikolić (2014)
    Геолошки завод Србије као носилац Пројекта ОneGeologyEurope заједно са Рударско геолошким факултетом и Министарством за природне ресурсе, рударство и просторно планирање су се укључили у међународни Пројекат OneGeology Europe у мају 2013. године у већ поодмаклој фази израде Пројекта. До краја 2013. године испунили су завршене активности које треба да доведу до пуноправног укључења у Пројекат чиме је Република Србија нашла своје место на Геолошкој карти Европе 1:1М. Геолошка карта Србије 1:1М представља компилациону односно поједностављену верзију ОГК 1:500 ...
    OneGeologyEurope, метаподаци, хармонизација података, вишејезични мета-информациони систем
    ... figure 4, presents the polygons with the geological units of the original map 1:500,000, and the right map is a new generated map 1:1M, produced after the generalization. Merging of the adjacent polygons with the same geological units was done by the geometric unification of the neighboring units ...
    ... in figure 4, presents the polygons with the geological units of the original map 1:500,000, and the right map is a new generated map 1:1M, produced after the generalization. Merging of the adjacent polygons with the same geological units was done by the geometric unification of the neighboring units, using ...
    ... from the Geological Survey and the Geological Institute of the former Yugoslavia, enabled today's Geological Survey of Serbia involvement in the Project OneGeology-Europe With the assistance of competent Ministry and Faculty for mining and geology, Serbia in the last moment step in the new European ...