Претрага
1249 items
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Ostvarivanje dobiti pri uvođenju sistema agregatnih zamena na osnovnoj rudarskoj mehanizaciji površinskih kopova EPS
Jedan od osnovnih zadataka na površinskim kopovima uglja je ostvarivanje zadovoljavajućeg vremenskog i kapacitetnog iskorišćenja kontinualnih sistema. Da bi se to postiglo, neophodno je izvršiti izmene u postojećoj strategiji održavanja. Preduslov je uvođenje agregatne zamene vitalnih delova na rudarskim mašinama. Benefiti su višestruki. Očekivani rezultati ovakvog pristupa su: smanjenje zastoja i povećanje vremena rada; direktne materijalne uštede; bolja organizacija rada; racionalizaciju radioničkih i magacinskih kapaciteta; povećanje vrednosti mašina. Da bi se uvela agregatna zamena neophodne su investicije za nabavku ...Predrag Jovančić, Ignjatović Dragan, Đenadić Stevan. "Ostvarivanje dobiti pri uvođenju sistema agregatnih zamena na osnovnoj rudarskoj mehanizaciji površinskih kopova EPS" in X Međunarodna konferencija UGALJ, Zlatibor, Srbija, 13-16. Oktobar 2021., Jugoslovenski komitet za površinsku eksploataciju (2021)
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Razvoj modela upravljanja cirkulacijom u postupku bušenja korišćenjem neuro fazi sistema zaključivanja
Seyed Ali S. Razeghi (2022)Gubitak isplake predstavlja nekontrolisano isticanje bušaćeg fluida kroz formacije kao što su kaverne, pukotine, ili drugi slojevi. Tradicionalne metode procene gubitka isplake se zasnivaju na primeni seizmičkih podataka ili pronalasku „mesta“ gubitka isplake na osnovu raspoloživih podataka iz susednih bušotina. Međutim, ove metode procene nisu pouzdane.‘ U disertaciji je izvršena analiza i procena uticaja parametara bušenja, geoloških faktora, karakteristika formacije i fluida na gubitak isplake kao i na formiranje fraktura u formacijama. Uspostavljeni su modeli koji podrazumevaju proces obrade ...Seyed Ali S. Razeghi. Razvoj modela upravljanja cirkulacijom u postupku bušenja korišćenjem neuro fazi sistema zaključivanja, Beograd : [S. Razeghi], 2022
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Механизам земљотреса у условима веома спорих тектонских деформација: сеизмотектонска студија Краљевачке сеизмичке секвенце (3.11.2010)
Младеновић Ана, Цветковић Владица, Дулић Иван, Марјановић С.. "Механизам земљотреса у условима веома спорих тектонских деформација: сеизмотектонска студија Краљевачке сеизмичке секвенце (3.11.2010)" in Српски геолошки конгрес, Врњачка Бања, 17‐20. мај 2019 no. 1, Врњачка Бања:Српско геолошко друштво (2018): 171-173
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Medical Domain Document Classification via Extraction of Taxonomy Concepts from MeSH Ontology
Mihailo Škorić, Mauro Dragoni (2019)This paper is a result of a task that was presented to attendants of Keyword Search in Big Linked Data summer school, that was organized by Vienna University of Technology, under the Keystone COST action in the summer of 2017. It presents a specific approach to the classification via creation of minimal document surrogates based on the US National medical library’s MeSH ontology, which is derived from the Medical Subject Headings thesaurus. In a series of previously classified medically ...... Ontology”. Inter- national Journal of Computer Science Issues Vol. 9 (2012) Kolonja, Ljiljana, Ranka Stanković, Ivan Obradović, Olivera Kitanović and Aleksandar Cvjetić. “Development of terminological resources for expert knowledge: a case study in mining”. Knowledge Management Research & Practice Vol. 14 ...
... document Dj , then this index can be defined as a double the number of common terms divided with the total number of terms in both documents (if S is a set, |S| is a number of terms in that set). If documents do not have any common terms then sim(Di, Dj) is equal to 0 which reflects the minimal similarity ...
... of Taxonomy Concepts from MeSH Ontology | Mihailo Škorić, Mauro Dragoni | Infotheca | 2019 | | 10.18485/infotheca.2019.19.1.3 http://dr.rgf.bg.ac.rs/s/repo/item/0004946 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета и радовима запослених ...Mihailo Škorić, Mauro Dragoni. "Medical Domain Document Classification via Extraction of Taxonomy Concepts from MeSH Ontology" in Infotheca, Faculty of Philology, University of Belgrade (2019). https://doi.org/10.18485/infotheca.2019.19.1.3
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Application of contour blasting for the extraction of dimension stone blocks
Kričak Lazar, Negovanović Milanka, Janković Ivan, Zeković D., Mitrović S.. "Application of contour blasting for the extraction of dimension stone blocks" in Proceedings of the 2nd International Conference „Harmony of nature and spirituality in stone“, Kragujevac, Serbia:Stone Studio Association, (2012): 79-85
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Erosion rate determination of Allchar region with cosmogenic radioactive (10Be, 26Al, 53Mn) and stable (3He, 21Ne) nuclides
Pavićević Miodrag, Vermeesch P., Niedermann S., Amthauer Georg, Boev Blažo, Jelenković Rade, Pejović Vladan (2010)Pavićević Miodrag, Vermeesch P., Niedermann S., Amthauer Georg, Boev Blažo, Jelenković Rade, Pejović Vladan. "Erosion rate determination of Allchar region with cosmogenic radioactive (10Be, 26Al, 53Mn) and stable (3He, 21Ne) nuclides" in IMA 2010, PL123 Cometary and stellar mineralogy, Budapest, Hungary: (2010)
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The number of unimodular roots of some reciprocal polynomials
Dragan Stankov (2020)We introduce a sequence P2n of monic reciprocal polynomials with integer coefficients having the central coefficients fixed. We prove that the ratio between number of nonunimodular roots of P2n and its degree d has a limit when d tends to infinity. We present an algorithm for calculation the limit and a numerical method for its approximation. If P2n is the sum of a fixed number of monomials we determine the central coefficients such that the ratio has the minimal limit. ...Algebraic integer, the house of algebraic integer, maximal modulus, reciprocal polynomial, primitive polynomial, Schinzel-Zassenhaus conjecture, Mahler measure, method of least squares, cyclotomic polynomialsDragan Stankov. "The number of unimodular roots of some reciprocal polynomials" in Cmptes rendus mathematique (2020). https://doi.org/10.5802/crmath.28
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Assesment of geological and geotechnical conditions for rebuilding Avala`s television tower
Ćorić Slobodan, Rakić Dragoslav, Hadži-Niković Gordana, Janković Tomislav, Filipović Vladimir, Marjanović Biljana (2013)Ćorić Slobodan, Rakić Dragoslav, Hadži-Niković Gordana, Janković Tomislav, Filipović Vladimir, Marjanović Biljana. "Assesment of geological and geotechnical conditions for rebuilding Avala`s television tower" in Geotechnical Engineering for the Preservation of Monuments and Historic Sites, Napoli, Italy:CRC Press, Taylor & Francis Group (2013): 273-278. https://doi.org/10.1201/b14895-32
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The significance of crater for determining explosion cause in forensic engineering
Bjelovuk I., Jarmaz S., Kričak Lazar. "The significance of crater for determining explosion cause in forensic engineering" in Thematic Proceedings of International Significance ARCHIBALD REISS DAYS, Beograd,Srbija:Academy of Criminalistic and Police Studies (2012): 913-929
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Calculative image analysis of oxidation induced food colour changes
L. Pezo, M. Pavlović, S. Ostojić, Kovačević Olgica, Zlatanović Snežana, Ilić Marija, Gvozdenović Jasna (2010)L. Pezo, M. Pavlović, S. Ostojić, Kovačević Olgica, Zlatanović Snežana, Ilić Marija, Gvozdenović Jasna. "Calculative image analysis of oxidation induced food colour changes" in Rizici i eko -bezbednost u postmodernom ambijentu -Internacionalna konferencija, septembar 19-12 jun, Novi Pazar, Novi Pazar:Državni univerzitet u Novom Pazaru (DUNP) (2010): 125-131
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Application of contour blasting in reducing the negative effects of blasting during opening the dimension stone deposits
Kričak Lazar, Janković Ivan, Negovanović Milanka, Zeković Dario, Mitrović S.. "Application of contour blasting in reducing the negative effects of blasting during opening the dimension stone deposits" in Proceedings of the 3rd International Conference „Harmony of nature and spirituality in stone“, Kragujevac, Serbia:Stone Studio Association (2013): 87-92
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Impact of modern technological equipment at improvement of technological and economical indicators in lead and zinc flotation plant “Kopaonik” – Leposavic, RMHK “Trepca” – Serbia
Lazić Predrag, Mališić Z., Vidosavljević S., Ivanović M., Antonijević D.. "Impact of modern technological equipment at improvement of technological and economical indicators in lead and zinc flotation plant “Kopaonik” – Leposavic, RMHK “Trepca” – Serbia" in Proceedings of the XV Balkan Mineral Processing Congress, Sozopol: (2013): 648-651
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Investigation of the microbial diversity of an extremely acidic, metal-rich water body (Lake Robule, Bor, Serbia)
Stanković S., Morić I. R., Pavić A.B., Vasiljević B.Z., Johnson D.B., Cvetković Vladica. "Investigation of the microbial diversity of an extremely acidic, metal-rich water body (Lake Robule, Bor, Serbia)" in Journal of the Serbian Chemical Society 79 no. 6, Beograd, Serbia:Serbian Chemical Society (2014): 729-741. https://doi.org/10.2298/JSC130605071S
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Numerical Modeling and Computer Simulation of Ground Movement Above Underground Mine
Nurić A., Nurić S., Kričak Lazar, Lapadić I. Husanagić R.. "Numerical Modeling and Computer Simulation of Ground Movement Above Underground Mine" in World Academy of Science, Engineering and Technology, International Science Index 69 (2012) 6 no. 9, :World Academy of Science, Engineering and Technology (2012): 361-370
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Modelling of characteristics of crater emerged from the surface explosion on the soil
Bjelovuk I., Jaramaz S., Elek P., Mickovic D., Kričak Lazar. "Modelling of characteristics of crater emerged from the surface explosion on the soil" in FIZIKA GORENIYA I VZRYVA, (COMBUSTION, EXPLOSION, AND SHOCK WAVES) no. 3, Novosibirsk, Rusija:Publishing House of the Siberian Branch of the Russian Academy of Sciences , Springer (2015): Prihvaćen
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Variation of olivine composition in the volcanic rocks in the Songliao basin, NE China: lithosphere control on the origin of the K-rich intraplate mafic lavas
Zhang, L.-Y., Prelević Dejan, Li, N., Mertz-Kraus, R., Buhre, S.. "Variation of olivine composition in the volcanic rocks in the Songliao basin, NE China: lithosphere control on the origin of the K-rich intraplate mafic lavas" in Lithos 262 (2016): 153-168. https://doi.org/https://doi.org/10.1016/j.lith
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Application of pulsed flash thermography method for specific defect estimation in aluminum
Tomić Ljubiša D, Jovanović Dalibor B, Karkalić Radovan M, Damnjanović Vesna, Kovačević Branko V, Filipović Dalibor D, Radaković Sonja S. (2015)Tomić Ljubiša D, Jovanović Dalibor B, Karkalić Radovan M, Damnjanović Vesna, Kovačević Branko V, Filipović Dalibor D, Radaković Sonja S.. "Application of pulsed flash thermography method for specific defect estimation in aluminum" in Thermal Science 19 no. 5, Belgrade:Vinca Institute of Nuclear Sciences (2015): 1845-1854
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Definisanje strukturnih odnosa primenom postupka horizontalni gradijent
Različiti postupci matematičkih transformacija se mogu primeniti na gravimetrijskim i magne tometrijskim podacima, kako bi se na istražnom terenu definisali strukturno-tektonski odnosi. U radu su prikazani rezultati dobijeni korišćenjem postupka horizontalni gradijent i ukupni horizontalni gradijent na gravimetrisjkim podacima. Navedeni postupci su pomogli da se detektuju kontakti sa velikim padnim uglom (vertikalni ili subvertikalni kontakti), koji se mogu interpretirati kao rasedi. Za test područije uzet je istražni prostor koji se nalazi na jugoistoku Srbije u okolini Vranjskog basena. Položaji ...... linijama) Na slici 4 kontakti su prikazani ljubičastim lini- jama i imaju pravac pružanja JI-SZ, S-J i I-Z, dok su na slici 5 kontakti prikazani braon linijama i imaju pravac pružanja SI-JZ, I-Z i S-J. Slika 5 – Karta horizontalnog gradijenta – rađena u pravcu jugozapad-severoistok (kontakti ...
... stariji, neaktivni rasedi. LITERATURA [1] Vasiljević I, Ignjatović S, Osnovi gravimetrije – pra- ktikum, Univerzitet u Beogradu - Rudarsko-geološki fakultet, Beograd, 2016. [2] Bilibajkić P, Mladenović M, Mujagić S, Rimac L. Tumač za gravimetrijsku kartu SFR Jugoslavije – Bu- geove anomalije ...
... horizontalni gradijent | Snežana Ignjatović, Ivana Vasiljević, Natalija Jovanović | Tehnika | 2019 | | 10.5937/tehnika1905664I http://dr.rgf.bg.ac.rs/s/repo/item/0005624 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава приступ издањима Факултета и радовима запослених ...Snežana Ignjatović, Ivana Vasiljević, Natalija Jovanović. "Definisanje strukturnih odnosa primenom postupka horizontalni gradijent" in Tehnika, Beograd : Savez inženjera i tehničara Srbije (2019). https://doi.org/10.5937/tehnika1905664I
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Mesozoic carbonate rocks in Serbia used as dimension stone
Vesna Matović, Tijana Vojnović Ćalić (2016)The building industry in Serbia uses, to a great extent, imported natural stone for architectural purposes. The significance of local deposits, particularly limestones, is not adequately perceived despite the country’s abundance of these valuable resources. Therefore, this study focuses on Serbia’s Mesozoic carbonate rocks, specifically on the deposits of four selected quarries: Klisura, Skrzut, Struganik, and Tisnica. The quality and prospects of the application of these limestones has not yet been the subject of a detailed, comprehensive investigation. Therefore, ...... 00 c O 0 0 0 0OS9% - x s _ LIA LL [4.] lO r A 60 x 009% P > s LLLI 801 tl il 00 lO 0 0 0 6 089% t s r 4 |4| 6cl LI 00 [4%]] #0 0 0 6 089% [ . ı 06 OI tl 00 c O I 0 0 6 0/9% 1-S [A] INI b{4| tl LO b O r ...
... IOAA | UjBUOJS oAISSoIdutOO) | UjGUOJS OAISSoIduIOO) | i}SUOJ)S OAISSoJdumIO ) O2UPJSISOI JSOJ,I IOJPAA | AJISOIJOd A s u o p [e0» K s u o p ying 'ON ouojsoutı („LS) ytueSnng puve *(3{S) 1nznys *(LL) eoTusı |, *(TX{) eunsijyz~ Jo soniodoad [eotuuoo [ ...
... izdanja 18: 27—–28 (in Serbian) Siegesmund S, Snethlage R (2011) Preface. In: Siegesmund S, Snethlage R (ed) Stone in architecture: properties, durability, 4th edn. Springer, Berlin, pp v-vii Siegesmund S, Torok A (2011) Building Stones. In: Siegesmund S, Snethlage R (eds) Stone in architecture: ...Vesna Matović, Tijana Vojnović Ćalić. "Mesozoic carbonate rocks in Serbia used as dimension stone" in Bulletin of Engineering Geology and the Environment, Springer Science and Business Media LLC (2016). https://doi.org/10.1007/s10064-015-0722-0
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Модел померања терена услед утицаја рударских радова на основу радарских сателитских снимака
Зоран Гојковић (2023)Површински коп, као систем који обезбеђује енергетску стабилност или снабдевање сировинама које су од изузетне важности за привредни напредак, својим функционисањем утиче на околна насељена места. Међу бројним аспектима овог утицаја, може се издвојити издвојити и анализирати утицај вертикалних и хоризонталних померања која се јављају на површи терена. Мониторинг вертикалних и хоризонталних померања површи терена околних насељених места треба да има што бољу временску резолуцију (временски период између праћења деформација) како би се вертикална и хоризонтална померања контролисала и ...Зоран Гојковић. Модел померања терена услед утицаја рударских радова на основу радарских сателитских снимака, Београд : Универзитет у Београду, Рударко - геолошки факултет, 2023