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Упит dcterms_subject_txt:intervención de pozos petroleros

489 items

  • Integracija heterogenih tekstualnih resursa

    Ranka Stanković, Ivan Obradović (2007)
    U radu je opisan pristup integraciji heterogenih tekstualnih resursa za srpski jezik uz pomoć jednog kompleksnog softverskog alata, razvijenog specijalno za ove potrebe. Opisani su struktura i osnovne komponente razvijenog sistema. Iznete su i mogućnosti unapređivanja resursa međusobnom razmenom informacija, koje pruža razvijeno integrisano okruženje. Konačno, opisana je i mogućnost primene integrisanih heterogenih resursa za proširenje upita, kao i pretraživanje tekstova uopšte, a naznačeni su i neki od pravaca daljeg razvoja.
    ... preko interneta, i istovrem ogućila lokalno korišćenje nekih funkcija WS4LR Bonhomme et al. 2001 – Bonhomme, P. et al. (2001): XAlign: l’aligneur de Langue & Dialogue (http://www.loria.fr outils/ALIGN/align.html). l Conference on Language Silberz ti: Publishing house Vitas e d Basic Tools ...
    ... and Evaluation, LREC 2006. Genoa, May 2006. S. 1692–1697. tein 1993 – Silberztein, M. (1993): Le dictionnaire électronique et analyse automatique de textes: Le systeme INTEX, Paris: Masson. Tufiş 2004 – Tufiş, D. (Hg., 2004): Special Issue on BalkaNet Project. Romanian Journal on Information Science ...

  • Geotehnički uslovi izgradnje nadvožnjaka "Balajnac" na autoputu E-80 deonica: Niš - Merošina

    Dragoslav Rakić, Nikola Božović (2024)
    U sklopu prve deonice autoputa E-80 Niš – Merošina, izgrađen je nadvožnjak u zoni sela Balajnac koji je oslonjen na tri stubna mesta na međusobnom rastojanju od oko 26 m. Svaki stub je fundiran na šipovima i to sa predloženim rasporedom od 2 šipa u grupi na međusobnom rastojanju od 3.6 m. U radu su na osnovu izvršenih geotehničkih istraživanja terena, analizirani rezultati nosivosti vertikalno opterećenog šipa prečnika 1.2 m i dužine šipa od L = 23 m. Analiza ...
    nadvožnjak Balajnac, šip, probno opterećenje šipa, projektni pristup, granična stanja

  • A Knowledge-Based Approach to Mine Ventilation Planning in Yugoslav Mining Practice

    Nikola Lilić, Ivan Obradović, Ranka Stanković (2002)
    Ventilation system analysis is a complex process based on the calculation and analysis of numerous parameters. These problems can be successfully solved by the SimVent numerical package, but a full understanding and use of the obtained results require the involvement of an experienced specialist in the ventilation field. The solution was found in the creation of a hybrid system INVENTS, whose knowledge base represents a formalization of the expert knowledge in the mine ventilation field. In this paper, we ...
    ... planning and design. Planing of required air flow quantities INVENTS ResNet SimVent VENTEX de f ining bas ic netw ork res is tanc e v entila tion s y s tem es tima tion v entila tion s imu la tion De s ig n CFD Estimates es tima tion o f gas and d u st emi s sion and temperature c onditions ...
    ... hybrid nature of INVENTS. However, there are other characteristics that qualify INVENTS as a hybrid system. In this paper we illustrated this through de- termination of the location and size of booster fans in the mine ventilation system, using another AI method — the genetic algorithm. Both the hybrid ...

  • 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
    ... sels et cartographie des alt6rations sur la facade de Ićglise Notre-Dame-la-Grande š Poitiers, France. In: Siegesmund S, Weiss ThN, Volibrecht A (eds) 7th International congress on deterioration and conserva- tion of stone. Laborat6rio nacional de engenharia civil, Lisbon, pp 927936 tion and ...
    ... forms. In: Siegesmund S, Weiss ThN, Volibrecht A (eds) 7th International congress on deterioration and conservation of stone. Laborat6rio nacional de engenharia civil, Lisbon, pp 957–968 Fitzner B, Heinrichs K, Kownatzki R (1995) Weathering forms- classification and mapping, In: Verwitterungsformen ...

  • Advancing Sentiment Analysis in Serbian Literature: A Zero and Few-Shot Learning Approach Using the Mistral Model

    Milica Ikonić Nešić, Saša Petalinkar, Mihailo Škorić, Ranka Stanković, Biljana Rujević (2024)
    Ova studija predstavlja analizu sentimenta srpskih starih romana iz perioda 1840-1920, koristeći veliki jezički model (LLM) Mistral za tehniku učenja sa zasnovani na takozvanim "zero" i "few-shot" pokušajima. Glavni pristup uvodi inovacije osmišljavanjem istraživačkih upita (promptova) uključuju tekst sa uputstvom za klasifikaciju bez primera i na osnovu nekoliko primera, omogućavajući jezičkom modelu da klasifikuje osećanja u pozitivne, negativne ili objektivne kategorije. Ova metodologija ima za cilj da pojednostavi analizu osećanja ograničavanjem odgovora, čime se povećava preciznost ...
    zero-shot, few-shot, sentiment, Serbian, Mistral model

  • Gate Road Support Deformation Forecasting Based on Multivariate Singular Spectrum Analysis and Fuzzy Time Series

    Luka Crnogorac, Rade Tokalić, Zoran Gligorić, Aleksandar Milutinović, Suzana Lutovac, Aleksandar Ganić (2021)
    Underground mining engineers and planners in our country are faced with extremely difficult working conditions and a continuous shortage of money. Production disruptions are frequent and can sometimes last more than a week. During this time, gate road support is additionally exposed to rock stress and the result is its progressive deformation and the loss of functionality of gate roads. In such an environment, it is necessary to develop a low-cost methodology to maintain a gate road support system. ...
    deformacije podgrade, lasersko skeniranje, višekanalna singularna spektralna analiza, prognoza, klasterisanje fuzzy vremenskih serija
    ... vector machine, for tunnel surrounding rock displacement forecasting. This paper is divided into five sections. In the section Materials and Methods, we de- scribe the model of forecasting based on observed data and multivariate singular spectrum analysis. We introduce the fuzzy time series concept to make ...
    ... stope approaches the gate road, the rock stress intensity increases. In order to describe deformations of a gate road support, we consider the time de- pendent displacements only in the vertical cross-section (planar problem). Let S(t) be a surface of the support bounded by B(t) =[Bl(t),Bu(t)] at the ...
    ... fA(∆v11) ∆v11 + fA(∆v12) ∆v12 + . . . + fA(∆v̂MN) ∆v̂MN , (15) where fA is the membership function of A, and fA : ∆V → [0, 1] . The symbol “+” de- notes the union operator. Membership function represents the degree of membership of ∆vi in A, where fA(∆ vi) ∈ [0, 1], 1 ≤ i ≤ M× N. Let ∆V (t) be ...

  • Alpine thermal events in the central Serbo-Macedonian Massif (southeastern Serbia)

    Milorad D. Antić, Alexandre Kounov, Branislav Trivić, Andreas Wetzel, Irena Peytcheva, Albrecht von Quadt (2015)
    General Earth and Planetary Sciences

  • 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

  • Specifičnosti izgradnje deonice 3 brze saobraćajnice Požarevac-Golubac na organskom tlu

    Vojislav Lučić (2024)
    U ovom završnom radu prikazani su podaci koji se odnose na metode ojačanja terena izgrađenog od slabonosivog organskog tla, kao i njegove geotehničke karakteristike na primeru šireg istražnog prostora, u okolini sela Kumane duž trase treće dionice brze saobraćajnice Požarevac-Golubac. U radu su prvo prikazane osnovne karakteristike i podele organskog tla i treseta, zatim su navedene metode ojačanja tla koje mogu da se koriste na datom istražnom prostoru i na kraju je izvršena analiza i interpretacija rezultata geotehničkih istraživanja ...
    organsko tlo, treset, metode ojačanja slabonosivog tla, slieganje, konsolidacija i vremenski tok konsolidacije
    ... vidjeti da je debljina slabonosivog tla oko 3 do 4 m posmatrano od površine terena. De pt h (m ) Cone resistance LJ 20 40 Tip resistance (MPa) De pt h (m ) Sleeve friction 50 100 Friction (kPa) De pt h (m ) Slika 10 – Grafički prikaz rezultata prvog CPTu opita Pore pressure ...
    ... 0 200 Pressure (kPa) 25 Cone resistance Sleeve friction Pore pressure De pt h (m ) D e p t h (m ) D e p t h (m ) o 20 40 o 100 200 0 50 100 Tip resistance (MPa) Friction (kPa) Pressure (kPa) Slika 11 – Grafički prikaz rezultata drugog CPTu opita 5.1.7. Dilatometarski opit ...
    ... rezultata za nedreniranu smičuću čvrstoću, kao prosječna vrijednost koja će biti korišćena u geostatičkim proračunima, se usvaja cu=10 kPa. 26 De pt h [m] SDMT Main Results Material Index Constrained Modulus Undr. Shear Strength Frietion Angle Horizontal Stress Index Shear Wave Velocity ...

  • Fragmentation Size Prediction of Blasted Material Using a Specialized Software for Drilling and Blasting

    Stefan Milanović, Nikola Simić, Lazar Kričak, Milanka Negovanović, Nikola Đokić, Miljan Gomilanović (2024)
    Design and optimizing the drilling and blasting parameters, should fill the requirements for the capacity, fragmentation size, and technical characteristics of loading and transport equipment, and enable a safe work at the open pit. Besides mentioned, it also achieves the minimal impact on the environment of the open pit and decreases the negative effects on the environment, especially in the blast vibration and flyrock. To obtain the best possible blasting effects and consider all the factors, a specialized software is ...
    optimization, O-Pitblast, drilling, blasting, fragmentation size

  • Површинско распадање керсантита из Тешића мајдана у корелацији са начином обраде на примеру малог степеништа (Београдска тврђава)

    Невенка Новаковић (2024)
    Архитектуру Београда на прелазу 19. у 20. век обележила је употреба керсантита из каменолома Тешића мајдана. Kao камен високих декоративних својстава, керсантит је коришћен за јавне споменике, делове или потпуну изградњу објеката (Народна скупштина Србије, Мало степениште, Народни музеј и др.). Како очување споменика културе изискује познавање својстава уграђеног камена, истраживања су обухватила детаљно проучавање петролошких, хемијских и физичких карактеристика керсантита из Тешића мајданa и узорака камена из споменика Мало степениште (студија случаја). Након детаљног мапирања стања керсантита, лабораторијских ...
    керсантит, Мало степениште, споменик културе, архитектонски камен, физичко-хемијско распадање, мапирање, форме распадања, површинска обрада

  • 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
    ... sandbox modeling. J. Geophys. Res. 109, B05405. https://doi.org/10.1029/2003JB002709. D’el-Rey Silva, L.J.H., de Oliveira, ́I.L., Pohren, C.B., Tanizaki, M.L.N., Carneiro, R.C., Fernandes, G.L. de F., Aragão, P.E., 2011. Coeval perpendicular shortenings in the Brasília belt: collision of irregular plate ...
    ... (e.g., Fitch, 1972; Lister and Williams, 1983; Platt, 1993; Carreras et al., 2013). Similar with other studies (Glen, 2004; Cembrano et al., 2005; De Vicente et al., 2009; D’el-Rey Silva et al., 2011; Krézsek et al., 2013; Benesh et al., 2014), we use the term “strain partitioning” to describe a ...
    ... thrust domains connect. For rounded indenters it is the first back-thrust of the thrust domain that connects with the major strike-slip fault that de- velops at the VD along the western indenter margin (Fig. 3a and b), whereas it is the basal fore-thrust that connects with the strike-slip fault along ...

  • Keyword Extraction from Parallel Abstracts of Scientific Publications

    Slobodan Beliga, Olivera Kitanović, Ranka Stanković, Sanda Martinčić-Ipšić (2017)
    ... Forest, D., Grouin, C.: Indexation libre et con- trolee d’articles scientifiques. Presentation et resultats du defi fouille de textes DEFT2012. In: Proceedings of the DEfi Fouille de Textes 2012 Workshop, pp. 1–13 (2012) 7. Kozłowski, M.: PKE: a novel Polish keywords extraction method. Pomiary Autom. Kontrola ...

  • Automatic construction of a morphological dictionary of multi-word units

    Cvetana Krstev, Ranka Stanković, Ivan Obradović, Duško Vitas, Miloš Utvić (2010)
    The development of a comprehensive morphological dictionary of multi-word units for Serbian is a very demanding task, due to the complexity of Serbian morphology. Manual production of such a dictionary proved to be extremely time-consuming. In this paper we present a procedure that automatically produces dictionary lemmas for a given list of multi-word units. To accomplish this task the procedure relies on data in e-dictionaries of Serbian simple words, which are already well developed. We also offer an evaluation ...
    electronic dictionary, Serbian, morphology, inflection, multiwordn units, noun phrases, query expansion
    ... are in the same format as the one provided by dictionaries of simple words. Some other MWUs, that are idiosyncratic in nature, ask for a different de- scription. Namely, these MWUs cannot be described by FSTs - they have to be listed in an e-dictionary in a similar way and for similar reasons as simple ...
    ... LNCS., Springer (2006) 552–563 10. Savary, A.: Recensement et description des mots composés - méthodes et applica- tions. PhD thesis, Université de Marne-la-Vallée (2000) 11. Courtois, B., Garrigues, M., Gross, G., Gross, M., Jung, R., Mathieu-Colas, M., Silberztein, M., Vivès, R.: Dictionnaire ...

  • An intelligent hybrid system for surface coal mine safety analysis

    Nikola Lilić, Ivan Obradović, Aleksandar Cvjetić (2010)

  • Wordnet Development Using a Multifunctional Tool

    Ivan Obradović, Ranka Stanković (2007)
    In this paper we present a multifunctional tool for manipulating heterogeneous language resources. The tool handles electronic dictionaries, wordnets and aligned texts, and provides for their synchronous use in various tasks. We focus here on the description of the possibilities this tool offers in the development of wordnets. Besides the wordnet module which enables parallel handling of two wordnets, other modules, such as the module for morphological dictionaries and the module for aligned texts, as well as available finite ...
    Wordnet development, language resource integration, HLT tools
    ... Resources for European Minority Languages on LREC 1998, Granada, Spain, 1998. [3] P. Bonhomme, T.M.H. Nguyen and S. O’Rourke. XAlign: l’aligneur de Langue & Dialogue, 2001, http://www.loria.fr/equipes/led/outils/ALIGN/align.html [4] B. Courtois and M. Silberztein (eds.) Dictionnaires électroniques ...
    ... Belgium, 1998, available at http://www.illc.uva.nl/EuroWordNet/docs.html [12] M. Silberztein. Le dictionnaire électronique et analyse automatique de textes: Le systeme INTEX, Paris: Masson, 1993. [13] D. Tufiş, (ed.). Special Issue on BalkaNet Project, Romanian Journal on Information Science ...

  • High-resolution sequence stratigraphy of carbonates - theory and examples

    Jelena Stefanović, Dejan Radivojević (2020)
    Циљ рада је да кроз теоријски аспект и примере примене представи секвенциону стратиграфију високе резолуције карбонатних седимената. У том смислу први део се односи на појам и значење високе резолуције у секвенционој стратиграфији. Од временских и просторних скала које одговарају сеизмичким профилима у последњих двадесет година метода је нашла примену на скалама које одговарају бушотинским подацима или изданцима. Као најпогоднији седименти за овај тип истраживања су се показали карбонати јер су осетљиви на еустатичке промене, а основе секвенционе стратиграфије ...
    изданак, системска група, јура-креда, карбонатна платформа, плитководна средина
    ... www.dr.rgf.bg.ac.rs 67 Z A P I S N I C I S R P S K O G G E O L O [ K O G D R U [ T V A za 2020. godinu COMPTES RENDUS DES SÉANCES DE LA SOCIÉTÉ SERBE DE GÉOLOGIE pour les année 2020 REPORTS OF THE SERBIAN GEOLOGICAL SOCIETY for the year 2020 Beograd, 2020. Стефановић Јелена1, Радивојевић ...

  • Definition of criteria and alternatives for choosing the optimal mining method deposits when applying multi: Criteria optimization, Belgrade, June 2024

    Sanja Bajić, Dragoljub Bajić, Branko Gluščević, Radmila Gaćina, Josip Išek (2024)
    multi-criteria decision-making, definition of criteria, underground exploitation

  • 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
    ... – in Serbian].– In: PETKOVIĆ, K. (eds.): Géologie de le Serbie. Stratigraphie, II/3, 145–154. EREMIJA, M. (1977b): Pliocen belopotočke rov-sinklinale [Pliocene of the Beli Potok trench-syncline – in Serbian].– In: PETKOVIĆ, K. (eds.): Géologie de le Serbie. Stratigraphie, II/3, 178–181. EREMIJA ...
    ... limestone, frac- tured and partly karstified at the top of the section. It appears in the form of large blocks in the relief (Fig. 6). The limestone is de- termined to represent a biocalcarenite. Fossil detritus is mainly composed of calcareous algae, molluscs, echinoids, bryozoans, and large benthic ...
    ... EREMIJA, M. (1987): Badenski kat [Badenian – in Serbian].– In: ANĐELKOVIĆ, M. (eds.): La Géologie des Environs de Belgrade I, Géologie et Géodinamique, 151–172. G eo lo g ia C ro a tica Rundić et al.: Stratigraphic implications of the Mio-Pliocene geodynamics in the area of Mt. Avala: new evidence ...

  • Agates of the Lece Volcanic Complex (Serbia): Mineralogical and Geochemical Characteristics

    Zoran Miladinović, Vladimir Simić, Nenad Nikolić, Nataša Jović Orsini, Milena Rosić (2024)
    Agate veins and nodules occur in the Lece Volcanic Complex (Oligocene-Miocene) situated in the south of Serbia and occupying an area of 700 km2. This volcanic complex is composed predominantly of andesites, with sporadic occurrences of andesite-basalts, dacites and latites, and features agate formations that have been very little investigated. This study focuses on five selected agate occurrences within the Lece Volcanic Complex, employing optical microscopy, scanning electron microscopy (SEM), X-ray powder diffraction analysis, inductively coupled plasma mass spectrometry ...
    Lecki vulkanski kompleks, andeyit, kalcedon, kvarc, opal-CT, mikrostruktura, organska materija