Претрага
2369 items
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A survey of greenhouse gases production in central European lignites
Anna Pytlak, Anna Szafranek-Nakonieczna, Weronika Goraj, Izabela Śnieżyńska, Aleksandra Krążała, Artur Banach, Ivica Ristović, Mirosław Słowakiewicz, Zofia Stępniewska (2021)... potential: importance, field measurements, and observations. Advances in Agronomy. Academic Press, pp. 1–54 https://doi.org/10.1016/S0065-2113(06)94001-2. Gilewska, M., Otremba, K., 2015.Water reservoirs under construction as a result of the ac- tivities of ‘Konin’ and ‘Adamów’ brown coal mines. J. Ecol. Eng ...
... half of all lignite is mined and utilized in Europe (Knoema, 2020). The extraction and combustion of coal pollutes water, soil, and espe- cially the atmosphere. Air pollution generated by the mining industry has both a local (particulate matter, sulphur and nitrogen oxides) and a global impact (greenhouse ...
... deposits exploited in Poland, Slovenia and Serbia, which represent various lithotypes, ages and burial histories. GHG production was studied along with a range of physical and chemical parameters that are crucial for microbial growth and activity. 2. Materials and methods 2.1. Sampling sites Lignites ...Anna Pytlak, Anna Szafranek-Nakonieczna, Weronika Goraj, Izabela Śnieżyńska, Aleksandra Krążała, Artur Banach, Ivica Ristović, Mirosław Słowakiewicz, Zofia Stępniewska. "A survey of greenhouse gases production in central European lignites" in Science of The Total Environment, Elsevier (2021). https://doi.org/10.1016/j.scitotenv.2021.149551
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Modeliranje tehnoloških procesa u rudarstvu u uslovima nedovoljnosti podataka primenom teorije grubih skupova
Zoran M. Štirbanović (2015-07-01)Rudarstvo, a u okviru njega i priprema mineralnih sirovina, se odlikuje složenošću tehnoloških procesa što je posledica velikog broja uticajnih parametara. Samim tim je potrebno biti veoma obazriv prilikom donošenja odluka u oblasti rudarstva. U cilju što efikasnijeg funkcionisanja procesa, moguće je primeniti različite metode koje služe za pojednostavljenje procesa odlučivanja. Jedna od takvih metoda jeste i teorija grubih skupova. Ona predstavlja relativno novu matematičku teoriju koja je pogodna za razumevanje nepreciznih i nepotpunih podataka kao i za otkrivanje ...rudarstvo, priprema mineralnih sirovina, teorija grubih skupova, višekriterijumsko odlučivanje, flotacijsko jalovište, flotacijski kolektor, flotaciona mašina... Shandong, 10–12 August 2010, pp. 1624–1628. 60. C. M. Tam, T. K. L. Tong, K. K. Chan, Rough set theory for distilling construction safety measures, Construction Management and Economics, Vo. 24, No. 11, 2006, pp. 1199– 1206. 61. Y. M. Kim, C. K. Kim, J. C. Lee, Rough set algorithm for crack category ...
... Rough Set Theory as a New Approach to Simplify Dams Location, Scientia Iranica, Vol. 13, No. 2, pp. 152–158. 59. G. Wen, Construction project risk evaluation based on Rough Sets and Artificial Neural Networks, Proceedings of 6th International Conference on Natural Computation (ICNC 2010), Volume 3 ...
... landfill, choosing flotation collector and choosing flotation machine. The parameters that have the most influence during these three choices were determined, and they represented criteria for selection. The selected criteria were assigned with appropriate value, and subsequently the evaluation of the ...Zoran M. Štirbanović. "Modeliranje tehnoloških procesa u rudarstvu u uslovima nedovoljnosti podataka primenom teorije grubih skupova" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-07-01)
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Ontološki model upravljanja rizikom u rudarstvu
Olivera Kitanović (2021)Rudarska proizvodnja obuhvata kompleksne tehnološke sisteme, što nameće potrebu za uspostavljanjem i unapređivanjem sistema upravljanja rizikom. Heterogenost i obim podataka neophodnih za upravljanje rizikom zahtevaju sistem koji ih na fleksibilan način integriše i omogućava njihovo optimalno korišćenje. Osnovni cilj ove disertacije je razvoj ontologije za domen rudarstva i na njoj zasnovanog modela za upravljanje rizikom. Njegova realizacija podrazumeva i implementaciju algoritama ekstrakcije informacija za popunjavanje ontologije, kao i odgovarajuće softversko rešenje. Razvoj modela obuhvata i značajno proširenje rudarskog korpusa, kao ...rudarstvo, rizik, upravljanje rizikom, procena rizika, ontologija, semantička mreža, ekstrakcija informacija, upravljanje znanjem, računarska lingvistika... Linguistics. Henley, Ernest J, and Hiromitsu Kumamoto. 1996. “Probabilistic Risk Assessment and Management for Engineers and Scientists.” IEEE Press (2nd Edition). Horridge, Matthew, Holger Knublauch, Alan Rector, Robert Stevens, and Chris Wroe. 2004. “A Practical Guide to Building OWL Ontologies Using the ...
... Engineering and Development Aspects: A Survey.” International Journal of Education and Management Engineering 6: 9–19. Yang, Bo, and Xinfei Wang. 2019. “Construction of Logistics Financial Risk Ontology Model Based on Risk Correlation.” In . https://doi.org/10.2991/smont-19.2019.14. Ykhlef, Mourad, and Danah ...
... Dimitris Vrakas, Stella Arnaouti, and Georgios Meditskos. 2013. “The Development of a New Framework for Managing Risks in the European Industry: The IRIS RISK PARADIGM.” Risk 1: 1. Assadi, H, and D Bourigault. 2000. “Analyses Syntaxique et Statistique Pour La Construction d’ontologies à Partir de Textes ...Olivera Kitanović. Ontološki model upravljanja rizikom u rudarstvu, Beograd : [O. Kitanović], 2021
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Pleistocene rhinoceros from Bogovina Cave: the first report of Stephanorhinus hundsheimensis Toula, 1902 (Mammalia, Rhinocerotidae) from Serbia
Finds of Pleistocene rhinoceros are rare in Serbia, and only one species (the woolly rhinoceros Coelodonta antiquitatis Blumenbach, 1799) has been reported so far. The current paper presents the dental material of an extinct so-called Hundsheim rhinoceros, Stephanorhinus hundsheimensis Toula, 1902 from Bogovina Cave (East ern Serbia). Both the morphological and metric characteristics of the teeth are consis tent with the attribution to S. hundsheimensis. Unfortunately, the rhinoceros material originated from an uncertain geological context, so there is no ...... , Milanovic, S., and Hajdin, B. 2003. Hydrogeological risk factors of dam and reservoir construction-case example Bogovina. Materials and Geoenvironment, 50(1):105-108. Eisenmann, V., Alberdi, M.T., de Giuli, C., and Staesche, U. 1988. Methodology, p. 1-71. In Woodburne, M. and Sondaar, P. (eds.) ...
... Guérin (1980), Handa and Pan- dolfi (2016), Pandolfi and Erten (2017), and Pandolfi and Marra (2015). The methodologies concerning bovid and equid teeth follow Gentry (1999) and Eisenmann et al. (1988), respectively. The dental anatomical notation follows the system proposed by Smith and Dodson (2003) for ...
... 2010; Pandolfi and Petronio, 2011; Pandolfi et al., 2015; Pandolfi and Erten, 2017; Pandolfi et al., 2017a). In Germany, S. hundsheimensis is recorded at several early Mid- dle Pleistocene sites such as Süssenborn and Voi- gtstedt (Kahlke, 1965, 1969; Kahlke and Kaiser, 2011), and Mauer and Mosbach 2 (Fortelius ...Predrag Radović, Miloš Radonjić, Emmanuel Billia. "Pleistocene rhinoceros from Bogovina Cave: the first report of Stephanorhinus hundsheimensis Toula, 1902 (Mammalia, Rhinocerotidae) from Serbia" in Palaeontologia Electronica, Coquina Press (2020). https://doi.org/10.26879/985
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A Model for Determining the Dependability of Continuous Subsystems in Coal Mines Using the Fuzzy Logic Approach
Nikola Stanić, Miljan Gomilanović, Petar Marković, Daniel Krzanović, Aleksandar Doderović, Saša Stepanović (2024)This study presents a unique model for assessing the dependability of continuous parts of combined systems in open-pit mining through the application of fuzzy logic. Continuous sub-systems as part of the combined system of coal exploitation in surface mines have the basic function of ensuring safe operation, high capacity with high reliability, and low costs. These subsystems are usually part of the thermal power plant’s coal supply system and ensure stable fuel supply. The model integrates various independent partial ...fuzzy logic, max-min composition, continuous part of combined system (CCS), open pit, mining, dependabilityNikola Stanić, Miljan Gomilanović, Petar Marković, Daniel Krzanović, Aleksandar Doderović, Saša Stepanović. "A Model for Determining the Dependability of Continuous Subsystems in Coal Mines Using the Fuzzy Logic Approach" in Applied Sciences, Basel, August 2024, MDPI (2024). https://doi.org/https://doi.org/10.3390/app14177947
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Development of the Availability Concept by Using Fuzzy Theory with AHP Correction, a Case Study: Bulldozers in the Open-Pit Lignite Mine
Stevan Đenadić, Dragan Ignjatović, Miloš Tanasijević, Uglješa Bugarić, Ivan Janković, Tomislav Šubaranović (2019)Availability is one of the most used terms in maintainability engineering. This concept is used to denote: The quality of service of an engineering system, i.e., machines, weak points’ analysis, asset management, as well as making decisions in the process of life cycle management. Availability is an overall indicator and contains partial indicators that are oriented towards reliability, maintenance, and logistical support. Availability presents a variable value and changes in time and space. Usually, availability is shown as the ...... (machine age) and Energies 2019, 12, 4044 3 of 18 spatial (work and service environment) coordinates. Partial indicators are reliability, convenience of maintenance from the construction point of view, convenience of maintaining from the logistical point of view, functionality and adaptability, ...
... ‘A’ and 30% to grade ‘B’. For indicator M he assigned 40% to grade ‘A’ and 60% to grade ‘B’, while for indicator S, he assigned to grades ‘A’ and ‘B’ 30% to 70%, respectively. The other five machines were also evaluated following the same methodology, and the results are shown in Tables 4 and 5. ...
... methodology, M.T. and I.J.; validation, D.I. and T.S.; formal analysis and writing—original draft preparation S.D. Funding: This research and the APC was funded by Ministry of Education and Science of the Republic of Serbia within the framework of Programme of research in the field of technological d ...Stevan Đenadić, Dragan Ignjatović, Miloš Tanasijević, Uglješa Bugarić, Ivan Janković, Tomislav Šubaranović. "Development of the Availability Concept by Using Fuzzy Theory with AHP Correction, a Case Study: Bulldozers in the Open-Pit Lignite Mine" in Energies, MDPI AG (2019). https://doi.org/10.3390/en12214044
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Determining the Availability of Continuous Systems at Open Pits Applying Fuzzy Logic
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 композицијаMiljan Gomilanović, Miloš Tanasijević, Saša Stepanović. "Determining the Availability of Continuous Systems at Open Pits Applying Fuzzy Logic" in Energies, MDPI AG (2022). https://doi.org/10.3390/en15186786
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Multi-Criteria Approach for Selecting Optimal Dozer Type in Open-Cast Coal Mining
Ivan Janković, Stevan Đenadić , Dragan Ignjatović , Predrag Jovančić , Tomislav Šubaranović, Ivica Ristović (2019)... pneumatic transport system is used in the construction industry. The analysis of the undercarriage type (UT) implies that the dozers in question were caterpillar transport system dozers. They were divided into two groups: Dozers with the triangular type and dozers with the flat type. Priority was given ...
... suitable dozers were Type 1, followed by Type 4, and then Types 2 and 3. The most economical dozer was Type 4, then Type 2, while Type 1 and 3 dozers were slightly more expensive. Type 1 and 2 dozers showed the best results given these specific conditions, and the same conclusion was confirmed by the expert ...
... method. Author Contributions: Conceptualization, I.R. and D.I.; methodology, T.S. and S.D.; validation, P.J.; formal analysis and writing—original draft preparation, I.J. Funding: This research and the APC was funded by the Ministry of Education and Science of the Republic of Serbia within the framework ...Ivan Janković, Stevan Đenadić , Dragan Ignjatović , Predrag Jovančić , Tomislav Šubaranović, Ivica Ristović . "Multi-Criteria Approach for Selecting Optimal Dozer Type in Open-Cast Coal Mining" in Energies, MDPI (2019). https://doi.org/https://doi.org/10.3390/en12122245
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Чији је пример? Анализа лексичких обележја на примерима Речника САНУ
У овом раду поставља се питање: да ли се може утврдити ко је аутор неког текста уколико се анализирају искључиво његова лексичка обележја? Како бисмо покушали да добијемо одговор на ово питање, посматрали смо примере у оквиру речничког чланка појединачне лексеме Речника САНУ, који су забележени у пет томова (и то: I, II, XVIII, XIX и XX). Сваки пример је преузет из неког извора на шта упућују скраћенице, наведене у заградама. Од преко 5.000 понуђених извора, определили смо се ...... Academy of Science and Arts. Each dictionary example is documented with its author, so we decided to examine only examples that origin from twelve great names in the domestic literature. For each author’s example, we extracted different lexical features, and then we visualized and compared these results ...
... језик САНУ (рукопис) 1959. и (допуњено) 2017. Бранислава Б. Шандрих, Ранка М. Станковић, Мирјана С. Гочанин316 Утвић 2014: Miloš Utvić, The construction of reference corpus of contemporary Serbian [Izgradnja referentnog korpusa savremenog srpskog jezika] (Doc- toral dissertation, University of ...
... of Modern Slov- ene: Problems and Solutions, V. Gorjanc, P. Gantar, I. Kosem, S. Krek (eds.). Ljubljana: University of Ljubljana, Faculty of Arts. Косем и др. 2018: Iztok Kosem, Kristina Koppel, Tanara Zingano Kuhn, Jan Michelfeit & Carole Tiberius, Identification and Automatic Extraction of Good ...Бранислава Б. Шандрих, Ранка М. Станковић, Мирјана С. Гочанин. "Чији је пример? Анализа лексичких обележја на примерима Речника САНУ" in Српски језик и његови ресурси, Међународни славистички центар, Филолошки факултет, Универзитет у Београду (2019). https://doi.org/10.18485/msc.2019.48.3.ch13
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Stratigraphic implications of the Mio-Pliocene geodynamics in the area of Mt. Avala: new evidence from Torlak Hill and Beli Potok (Belgrade, Serbia)
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. ...... (1997, 1998) and RUNDIĆ et al. (2013) these clastites represent the final phase of pre-Badenian lacustrine sedimentation (Fig. 3c, d). At the same time, in this study, a similar unit was observed in boreholes BT1-2 and BT1-3 near Leštane. During exploratory drilling for the construction of the “Bubanj ...
... (1890, 1893) and until re- cently, detailed studies about the marine Badenian shallow-water “seashore” sand were published (e.g. GANIĆ et al., 2016 and refe- rences therein). The section contains a very rich and diverse macro- and microfauna including more than 70 species of gas- tropods and bivalves, ...
... clastics, slope loess sequences and, sporadically, old landslides and colluvial products (Leštane, Torlak, Resnik, and Vrčin) up to 12 m thick. Holocene deposits are represented by thin alluvial sediments cropping out along the Zavojnička Reka valley and prolluvial- delluvial and colluvial sediments. Above ...Ljupko Rundić, Meri Ganić, Slobodan Knežević, Dejan Radivojević, Miloš Radonjić. "Stratigraphic implications of the Mio-Pliocene geodynamics in the area of Mt. Avala: new evidence from Torlak Hill and Beli Potok (Belgrade, Serbia)" in Geologia Croatica (2019). https://doi.org/10.4154/gc.2019.11
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Concepts for Improving Machine Learning Based Landslide Assessment
Miloš Marjanović, Mileva Samardžić Petrović, Biljana Abolmasov, Uroš Đurić. "Concepts for Improving Machine Learning Based Landslide Assessment" in Natural Hazards GIS-based Spatial Modeling Using Data Mining Techniques, Advances in Natural and Technological Hazards Research, volume 48, Springer Nature Switzerland AG 2019 (2019). https://doi.org/10.1007/978-3-319-73383-8_2
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A Data Driven Approach for Raw Material Terminology
Olivera Kitanović, Ranka Stanković, Aleksandra Tomašević, Mihailo Škorić, Ivan Babić, Ljiljana Kolonja (2021)The research presented in this paper aims at creating a bilingual (sr-en), easily searchable, hypertext, born-digital, corpus-based terminological database of raw material terminology for dictionary production. The approach is based on linking dictionaries related to the raw material domain, both digitally born and printed, into a lexicon structure, aligning terminology from different dictionaries as much as possible. This paper presents the main features of this approach, data used for compilation of the terminological database, the procedure by which it has ...sirovine, rudarstvo, terminologija, rečnik, terminološka aplikacija, mobilna aplikacija, digitizacija, leksički podaci, korpusi, otvoreni povezani podaci... represents the first comprehensive solution for both building and using a terminology system that includes data, application and user interface layers covering different data and software technologies. The automation of data publishing in the form of linked data, as one of the core pillars of the Semantic ...
... extraction, word sketches, usage examples, and thesaurus, but it is not fully adapted for Serbian, and its results are far less successful than those obtained in our research [40,68]. Sketch Engine offers tools to significantly speed up the process of dictionary building, especially the “OneClick Dictionary” ...
... also included, for example, 2398 (20%) entries related to geology, hydrogeology and geography, 860 (7%) entries related to transport, rock mechanics, surveying, environment protection, safety, construction, transport and electrical engineering, while 3082 (26%) entries belong to the general technical ...Olivera Kitanović, Ranka Stanković, Aleksandra Tomašević, Mihailo Škorić, Ivan Babić, Ljiljana Kolonja. "A Data Driven Approach for Raw Material Terminology" in Applied Sciences, MDPI AG (2021). https://doi.org/10.3390/app11072892
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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)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. "Insights into dike nucleation and eruption dynamics from high-resolution seismic imaging of magmatic system at the East Pacific Rise" in Science Advances, American Association for the Advancement of Science (AAAS) (2023). https://doi.org/10.1126/sciadv.adi2698
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Atmospheric exposure vs burying: influences on damage intensity of built-in kersantite in the monument of the Small Staircase (Belgrade, Serbia)
Proučavan je efekat „zatrpanog kamena“ na intenzitet procesa degradacije prisutnih na kersantitu koji je ugrađen u spomenik Malo stepenište. Istraživanja su vršena na uzorcima stene iz kamenoloma i na oštećenim kamenim blokovima ugrađenim u spomenik. Dok su neki delovi stepeništa bili pod zemljom 90 godina, većina kamenih elemenata je bila izložena različitim uslovima sredine i antropogenim uticajima. Urađeno je detaljno mapiranje trenutnog stanja spomenika kako bi se istražio uticaj “zatrpavanja” i kompleksne geometrije spomenika na tip propadanja i variranje ...Nevenka Novaković, Predrag Dabić, Vesna Matović. "Atmospheric exposure vs burying: influences on damage intensity of built-in kersantite in the monument of the Small Staircase (Belgrade, Serbia)" in Environmental Earth Sciences, Springer Science and Business Media LLC (2023). https://doi.org/10.1007/s12665-023-10794-6
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Природни потенцијал минералних вода Србије - Natural potential of mineral waters in Serbia
Оливера Крунић (2021)Оливера Крунић. "Природни потенцијал минералних вода Србије - Natural potential of mineral waters in Serbia" in Рационално коришћење земљишта и вода у Србији - Sustainable Use of Land and Water in Serbia- Serbian Academy of Sciences and Arts; Scientific Conferences Volume CXCVII; Department of Chemical and Biological Sciences, Book 19, Српска академија наука и уметности (2021)
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Еоценска фауна југозападног дела Сирт басена (Либија)
Љупко Рундић, Мери Ганић (2020)Љупко Рундић, Мери Ганић. "Еоценска фауна југозападног дела Сирт басена (Либија)" in Записници Српског геолошког друштва, Српско геолошко друштво (2020)
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Пример мерења издашности потопљених карстних извора на примеру бране XE Вишеград
Милан Петровић (2024)Главница предстојећег рада, састоји се од обраде и интерпретације података прикупљених током теренских хидрогеолошких истраживања у мају 2024. налокацији бране XE Вишеград.... • o AHgpuh, Ha /lpuHu hydpuja{1945)- Tipoc8euia, beoipag, Cpeuja • Bacuh, MunaHoBuh (2021)-Methodological approaches and research techniques for addressing construction and remediation problems in karst reservoirs • MunaHosBuh, Bacuh(2016)-3D Conduit mogelling ofleakage below a dam situated ...
... Bacuh u gp.(2020)- Determination ofthe groundwater-leakage mechanism (binary mixing) in a karstic dam site using thermometry and isotope approach (HPP Visegrad, Bosnia, and Herzegovina). Environ Earth Sci 79, Article No. 174. https://doi.org/10.1007/s12665-020-08910-x • MunaHosBuh u gp.(2024)-Hacuia8ak ...
... слободном приступу. - 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 ...Милан Петровић. Пример мерења издашности потопљених карстних извора на примеру бране XE Вишеград, 2024
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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)... in Fig. 2) to enable the sliding and rotation of the mobile plate along a stationary pin (Fig. 2). This construction allows for a combined translational-rotational movement of the mobile plate. The second, 0.1 mm thick plastic sheet (grey in Fig. 2), is fixed and overlies the moving plate north of ...
... strike-slip structure (1 in Fig. 3e and f) and the main strike-slip fault (2 in Fig. 3e and f) are connected by obliquely oriented thrusts in map view (3 and 4 in Fig. 3c–f, cross-section b-b’ in Fig. 3g) and NNW-SSE oriented strike-slip faults (5 and 6 in Fig. 3e and f, cross- section b-b’ in Fig. 3g) ...
... motion of the underlying plate (Figs. 5 and 6). The Fig. 7. Basin geometry parameters and top-view shape and position. a) Charts of basin width, length and depth in each experiment. Basins’ widths and lengths are measured in the final top-view photos in the E-W and N–S direction. Basin depths are obtained ...Nemanja Krstekanić, Ernst Willingshofer, Taco Broerse, Liviu Matenco, Marinko Toljić, Uroš Stojadinović. "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" in Journal of Structural Geology, Elsevier BV (2021). https://doi.org/10.1016/j.jsg.2021.104386
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Distribution of major and trace elements in the Kovin lignite (Serbia)
Dragana Životić, Olga Cvetković, Predrag Vulić, Ivan Gržetić, Vladimir Simić, Konstantin Ilijević, Biljana Dojčinović, Suzana Erić, Bogdan Radić, Sanja Stojadinović, Snežana Trifunović (2019)geochemical and mineralogical study was performed on lignite samples from the Upper Miocene Kovin deposit, hosting three coal seams. The Kovin lignite is characterized by high moisture content, medium to high ash yield, medium to high sulphur content and a relatively low gross and net calorific value. The mineralogical composition, and major and trace element contents were determined by X-ray diffraction, scanning electron microscopy with energy dispersive Xray spectroscopy (SEM-EDS) analyses, and inductively coupled plasma optical emission spectrometry (ICP-OES). ...... abundance and distribution in coal may characterize seams, deposits, and facies changes. It can be used as an indicator for the partial re construction of the environment conditions during peatification and coal formation (VASSILEV & VASSILEVA, 1996, 1998). 5.1. Affinity of the elements and geochemical ...
... crusts built up of small flakes and usually appears in association with haematite and other minerals including siderite and clays. The FeMn oxides and Mn hydroxides were also detected in small amounts in coal seams I and II. The Ti and TiFe oxides (rutile and ilmenite; Fig. 4i, j) oc cur as small ...
... dolomite, ankerite and monazite, while in coal seam III barite and monazite were found. The silicate and aluminosilicate minerals are common con stituents of the inorganic matter in Kovin lignites and include mainly quartz, illite/smectite, rarely chlorite and plagioclase, and more rarely, mica ...Dragana Životić, Olga Cvetković, Predrag Vulić, Ivan Gržetić, Vladimir Simić, Konstantin Ilijević, Biljana Dojčinović, Suzana Erić, Bogdan Radić, Sanja Stojadinović, Snežana Trifunović. "Distribution of major and trace elements in the Kovin lignite (Serbia)" in Geologia Croatica, Croatian Geological Survey (2019). https://doi.org/10.4154/gc.2019.06
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Model predviđanja potresa od miniranja na površinskim kopovima primenom simulacione metode Monte Karlo i fazi logike
Milanka N. Negovanović (2015-06-30)Modeliranje predviđanja potresa tla od miniranja primenom fazi logike i metode MonteKarlo zasnovano je na podacima dobijenim terenskim merenjima potresa uzrokovanihminiranjem. Promenljive modela definisane su analizom parametara bušenja i miniranjaminskih serija, kao i velosigrama izmerenih potresa od miniranja. Iskorišćene suprednosti fazi logike u implementaciji mnogo većeg broja ulaznih i izlaznih veličina zamodeliranje u odnosu na postojeće empirijske modele. Na osnovu identičnih podataka,dobijen je regresioni model predviđanja potresa, da bi se izvršilo testiranje novogmodela. U cilju povećanja pouzdanosti modela predviđanja, ...model, predviđanje potresa, miniranje, površinski kop, Monte Karlo, fazilogika, regresiona analiza, FFT analiza, spektri odziva, pomeraj pukotina... 251 7.0 LITERATURA 1. Jimeno, C.L., Jimeno, E.L., Carcedo, F.J.A, Drilling and blasting of rocks, A.A.Balkema, Rotterdam, Brookfield, 1995. 2. Morris, G., Vibration due to blasting and their effects on building structure, Engineer, 1950, 394-395. 3. Blair, B.E., Duvall, W.I., Evaluation ...
... 1984. 77. BS 7385-2:1993 Evaluation and measurement for vibration in buildings - Part 2: Guide to damage levels from groundborne vibration, British Standard. 78. AS 2187.2-1993, Australian Standard. 79. Building Research Station, Cracking in Buildings, Building Research Establishment Digest, Vol ...
... J. Rock blasting and explosive engineering, CRC Press, Inc, Distributed by International Society of Explosives Engineering, USA, 1994. 48. Dowding, C.H., Construction Vibrations, Prentice Hall, Englewood Cliffs, NJ, USA, 1996. 49. Dowding, C.H., Blast Vibration Monitoring and Control, Prentice ...Milanka N. Negovanović. "Model predviđanja potresa od miniranja na površinskim kopovima primenom simulacione metode Monte Karlo i fazi logike" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-06-30)