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Упит dcterms_creator_txt:Rolf L. Romer

723 items

  • 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 ...
    ... Oxford University Press, Oxford, 254 pp. Janossy, D., & Kordos, L., (1976): Pleistocene-Holocene Mollusc and Vertebrate Fauna of two caves in Hungary. Annales historico-naturales Musci nationalis hungarici, 68, 5-29. Kordos, L., (1987): Climatostratigraphy of Upper Pleistocene Vertebrates and the ...

  • 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

  • Fault type assessment based on vertical gravity gradient anomalies – advantages and limitations

    Ivana Vasiljević, Snežana Ignjatović, Branislav Sretković (2024)
    The type of dip-slip faults can be assessed based on the analysis of vertical gravity gradients. Theoretically, just a simple comparation of the gradient extreme values can give us an answer whether the fault is normal or reverse (thrust). Practical application of this method is far more complicated and the results depend on a number of parameters, such as a complexity of geological setting, the quality of gravity data, dip angle and displacement of the fault, density contrast, etc. ...
    dip-slip faults, vertical gravity gradients, field data analysis
    ... higher absolute value of the VGG maximum (Fig. 2b). 30 – Uzz [10" s?} 20 _ (a) || 0 5 x [km] 10 Ž Ao = -0.3 g/cm3 30 – Uzz [10? s?] -30 l T l x {[km] ı0 Ao = -0.3 g/cmš Figure 2. Vertical gravity gradient (Uzz) curves over (a) normal fault and (b) reverse fault with negative density ...

  • Uticaj utiskivanja gas-lift gasa na prenos mase i toplote

    Branko Grubač (2019)
    Nakon uvođenja kontinualnog gas-lifta, primećen je porast proizvodnje tečnog naftnog gasa, TNG, u postrojenju za preradu gasa, kao jednog od finalnih proizvoda dobijenog iz fluida gaso kondenzatnih i rastvorenog gasa iz naftnih bušotina. Pretpostavljeno je da se prisustvom gas-lift gasa uspostavlja drugačija ravnoteža faza u odnosu na slučaj bez gaslifta, te da je gas-lift gas stripovao propan i butane iz tečne u parnu fazu, što je dovelo do povećanja prinosa TNG-a. Napravljen je model bušotine koja radi u kontinualnom gas-liftu ...
    gas-lift, modelovanje bušotine, prenos mase i toplote, taloženje parafina
    ... Proceeding of the 2nd Brazilian Conference on research and development in petroleum and gas, Rio de Jeneiro, str 1220-1246, (2003) [51] L. Mengxia, L. Ruiquan, L. Junliang, L. Wei, K. Wenqui, Parameter sensitivity analysis of gas-lift well unloading processes, International journal of heat and technology ...
    ... Journal, Vol. 46, str 169-196, (2000) [31] L. Yarborough, Vapor-liquid equilibrium data for multicomponent mixtures containing hydrocarbon and nonhydrocarbon components, Journal of chemical and engineering data, Vol. 17, str 129-133, (1972) [32] L. Theodore, F. Ricci, Mass transfer operations ...
    ... ravnoteže para – tečnost, rešenje mora zadovoljavati sledeće uslove: 1. Temperatura sistema u ravnoteži je stalna, tj. temperatura pare (V) i tečnosti (L) u ravnoteži je jednaka. 2. Pritisak sistema u ravnoteži je konstantan, tj. pritisak pare i tečnosti u ravnoteži je jednak. 3. Hemijski potencijali ...

  • Основи геологије

    Урош Стојадиновић (2024)
    геологија

  • Development of Open Educational Resources (OER) for Natural Language Processing

    Cvetana Krstev, Biljana Lazić, Ranka Stanković, Giovanni Schiuma, Miladin Kotorčević (2015)
    In this paper we present the development of an online course at the edX BAEKTEL platform named “Lexical Recognition in the Natural Language Processing (NLP)”. It is based on the course of the same name for PhD studies at the University of Belgrade, Faculty of Philology. There are not many courses in Computational Linguistics (CL) on OER platforms, and there is none in Serbian either for CL or NLP. We have developed this course in order to improve this ...
    E-Learning, Open Educational Resources, Computational Linguistics, Lexical Resources, edX
    ... Language Processing for Online Applications: Text Retrieval, Extraction and Categorization. 2002: John Benjamins Publishing Co. [3] Schubert, L., Computational Linguistics, in The Stanford Encyclopedia of Philosophy, E.N. Zalta, Editor. 2015, Springer. [4] Turing, A., I.—Computing machinery ...
    ... Undergraduate Studies of Library and Information Science, in Skup bibliotekara balkanskih zemalja: Saradnja obrazovanje kvalitet, A. Vraneš and L. Marković, Editors. 2002, Narodna biblioteka Srbije: Belgrade. p. 117-122. [10] Stanković, R., et al., Building terminological resources in an ...

  • Towards translation of educational resources using GIZA++

    Ivan Obradović, Dalibor Vorkapić, Ranka Stanković, Nikola Vulović, Miladin Kotorčević (2016)
    ... initialized by the following sequence: ~/mosesdecoder/scripts/tokenizer/tokenizer.perl -l en \ < ~/corpus/training/edX.en \ > ~/corpus/edX.tok.en ~/mosesdecoder/scripts/tokenizer/tokenizer.perl -l sr \ < ~/corpus/training/edX.sr \ > ~/corpus/edX.tok.sr The truecaser first ...

  • Overwiew of In-Pit Crushing & Conveying Technology in Open Pit Mines

    Ali Nasirinezhad, Dejan Stevanović, Dragan Ignjatović, Petar Marković (2021)
    The conditions under which contemporary surface mining operations is carried out obviously becoming increasingly complex. In such complex conditions, the optimization of haulage systems as the technological phase with the largest share in the total operating costs, is very important from the aspect of achieving profitability of the mining project. In a large number of cases, the application of traditional haulage systems with trucks (as the most dominant type of haulage in open pit mines) does not lead to ...
    In Pit Crushing and Conveying, IPCC, open pit mining, haulage, optimization, costs saving

  • Geotechnical zoning of the terrain along the first section of E-80 highway in Serbia – SEETO route 7

    Dragoslav Rakić, Zoran Berisavljević, Irena Basarić, Snežana Bogdanović, Jovana Janković (2019)
    Part of E-80 highway that passes through Serbia (from the city of Nis to the administrative border Merdare) is 77 km long. The highway is divided into two sections: the first from Nis to Plocnik (39.4 km long) and the second from Plocnik to the administrative border with Kosovo. The route is designed through a typical plain and hilly terrain in which different geological units are dominant: crystalline schists, neogene sediments of foothills and quaternary sediments in the valley ...
    ... planned structure construction at the highway route (bridges, tunnels, excavations, cuts, embankments etc.). 5 REFERENCES Hsai-Yang, F. and John, L. D. 2014. Introductory Geotechnical Engineering An Environmental Perspective, Taylor & Francis, CRC Pres London. Rakić, D. 2017. Preliminary Design ...
    ... the construction of the first section of Nis-Merdare highway, Third Serbian Road Congress,Belgrade. Winter, M.G., Mackgregor, F. and Shackman, L. 2005. Scottish Road Network - Landslides Study, Scottish Executive. ...

  • A Mathematical Learning Environment Based on Serbian Language Resources

    Radojičić Marija, Obradović Ivan, Stanković Ranka, Utvić Miloć, Kaplar Sebastijan (2018)
    In recent years, in line with ever growing usage of Information technology, the learning environments are changing. The amount of available learning materials in various forms has increased. These new environments demand comprehensive learning systems, which enable management of the learning corpus with special attention paid to relevant lexical resources. In this paper we present the concept of a Mathematical Learning Environment in Serbian (MLES), which is based on a corpus of mathematical materials and various lexical resources, enabling ...
    mathematical content, text processing, mathematical formulae
    ... Representing, Archiving, and Searching the Space of Mathematical Knowledge. Lecture Notes in Computer Science, 8592 (1), pp. 26- -30. [7] Lozier, L. D., (2003). NIST Digital Library of Mathematical Functions Annals of Mathematics and Artificial Intelligence, 38 (1), pp. 105-119. [8] Adeel, M ...
    ... Mathematical Formula Search Engine. Journal of Theoretical and Applied Information Technology, 4 (10), pp. 1002-1012. [9] Mišutka, J., Galamboš, L., (2008). Extending Full Text Search Engine for Mathematical. Proceedings of Towards Digital Mathematics Library, pp. 55-67. IT Education and ...

  • Investigation of quantitative indicators of anisotropy based on longitudinal elastic waves propagation velocities with uncertainty

    Miloš Gligorić, Jelena Majstorović, Suzana Lutovac (2018)
    ... SOUSA L. M. O. et al. (2005) Influence of microfractures and porosity on the physicomechanical properties and weathering of ornamental granites. Engineering Geology, 77, pp. 153–168. TRINDADE R. M. P. et al. (2010) An Interval Metric. In: New Advanced Technologies. InTech. VALDELON L., DE FREITAS ...

  • Adaptive neuro-fuzzy prediction of operation of the bucket wheel drive based on wear of cutting elements

    Filip Miletić, Predrag D. Jovančić, Milos Milovančević, Dragan Ignjatović (2020)
    The capacity of the rotor excavator depends largely on the operation of the subsystem for digging. There is a great contribution to the correct and sharp teeth when the capacity is the highest. In the function of time, the teeth become clogged due to abrasive wear, or changes in their geometric shape. To analyze the bucket wheel drive in depend on wear of the cutting elements in this study adaptive neuro fuzzy inference system (ANFIS) approach was implemented. ANFIS ...
    Pogon rotornog točka, habanje, rezni elementi, ANFIS

  • Digitalizacija u rudarstvu: Kreiranje sistema za efikasno poslovno izveštavanje

    Stevan Đenadić, Aleksandar Mirković, Veljko Rupar (2024)
    Proces donošenja odluka u oblasti rudarstva i geologije uslovljen je blagovremenim posedovanjem kvalitetnih podataka i informacija. Kompleksnost rudarskih procesa nalaže prikupljanje podataka na dnevnom odnosno na smenskom nivou. Podaci kao takvi bez analitičkog pristupa nisu dovoljni. Kako bi pristup podacima bio brz i efikasan neophodno je posedovanje adekvatnog digitalnog rešenja uz adekvatne centralizovane baze podataka. U ovom radu je dat pregled trenutne pozicije rudarstva sa aspekta digitalne transformacije kao i predlog jednostavnog prototipa u obliku digitalnog sistema za poslovno ...
    rudarstvo, digitalna transformacija, baze podataka
    ... donelo vašoj kompaniji, odgovori su bili: • 5 popunilo je 7 ispitanika što je 63,6%; • 4 popunilo je 3 ispitanika što je 27,3%; • 3 popunilo je l ispitanika što je 9,1%; • ostalih odgovora nije bilo. |y| 18.2% 9.1% 18.5% a? a3 81.8% 18.5% 63.6% 4 Tičesto a5 Iiponekad Einedovoljna ...
    ... Stolterman, E. & Fors, A.C. (2004). Information technology and the good life. Information system research, s. 687-692. [5] de Sousa, J. S., Rocha, L. O., & de Castro, R. M. (2016). Digital transformation applied to Bauxite and Alumina Business System: BABS 4.0. In Proceedings of 37th International ...

  • Fuzzy expert analysis of the severity of mining machinery failure

    Dejan V. Petrović, Miloš Tanasijević, Saša Stojadinović, Jelena Ivaz, Pavle Stojković (2020)
    Mining machinery failure is almost an everyday occurrence. Usually the failures bare certain consequences, which require additional financial costs to repair and restore the system to its operational state. The consequences are viewed through negative and damaging effects a failure has on the machine, health and safety of the employees, work environment, and on the environment. The removal of the consequences of the failure requires additional financial investment, which has a negative impact on the company’s business. In order ...
    Severity of failure, Severity of failure assessment, Mining machinery, Fuzzy sets, Fuzzy logic

  • Strategic Environmental Assessment in the Application of Preventive Protection for Wind Farm Noise—Case Study: Maestrale Ring Wind Farm

    Boško D. Josimović, Aleksandar Cvjetić, Božidar Manić (2021)
    Determining the spatial position of wind turbines is the initial and most important phase in the development of a wind farm project. In this sensitive phase, all potential problems that may arise in the later stages of project development should be prevented by means of spatial and urban planning instruments. This makes it possible to achieve maximum use of the potential of wind in a particular space and, thus, fulfil the technical and economic requirements of the project while ...
    Energija,energetski inženjering i elektroenergetska tehnologija,obnovljivi izvori energije, održivost i životna sredina,električni i elektronski inženjering,kontrola i optimizacija,inženjering
    ... levels at the receptors are below LVNI) Spatial Dispersion of Impact Municipal O Possible impact on the whole area of the municipality Local L Possible impact on individual locations Probability of Impact 100% I Impact certain Greater than 50% V Impact likely Less than 50% M Impact possible ...
    ... either for the day/evening, or for the night period. Unit 2-Čantavir west (30 wind turbines) 0 Unit 3-Žednik north (22 wind turbines) L /−2 / V / P In unit 3 it is expected that the LVNI will be exceeded by 3.5 dB in the night period as a consequence of the work of wind turbines ...
    ... environmental assessment and climate change in the Republic of Serbia: Support to development and adjustment process. Spatium 2011, 26, 14–19. 8. White, L.; Noble, B. Strategic environmental assessment for sustainability: A review of a decade of academic research. Environ. Impact Assess. Rev. 2012, 42 ...

  • Анализа трошкова откопавања руде олова и цинка у лежишту “Грот”

    Borislav Ugrinov (2024)
    У овом дипломском раду детаљно је приказан рудник Грот,односно рудно поље ,,Благодат,, које чине његова три ревира Ђавоља Воденица-Баре,Воденица II и Вучков ревир,са акцентом на анализу трошкова откопавања руде олова и цинка.Уводни део рада пружа нам ширу слику и даје опште информације о самом појму трошкова,његовом настанку и историјском развоју,затим о елементима фактора добитка који су усковезани за рударску производњу у које спадају укупан приход и трошковe. Након тога,неколико тачака тј. наслова посвећено је самом руднику Грот представљајући његове опште ...
    aнализа трошкова, Грот, Благодат,олово, цинк, рентабилност
    ... CTyOoOBa. 3a MeToJIe OTKOHnaBažba H3pauyHaTH Cy IIpOceuHH: • Koc(HrIMJeHT HcKopumiheMma i=90% • ryOMnH g=10 % • ocHpoMamrtee Om=10% 25 5.3.6. l"o;mum·n IIpoH3B0/IHH KataliHTeT H BČEK eKcnnoaTaunje VsgMajyhuH y o03up: Jo caja JOCTH3aHC OTKOIHAHC KananiTeTe H IpOH3BOJIHC C(DEČKTC, pacnojtoxxHBy ...
    ... OJBOJUbaBaMbc je yr1aBHOM TpaBHTaHHOHO H CBy BOJLy HIIDHMa IOTKOII +1300m.1Ipo0neM ce JaBJba KOJI KaHaJIa KOJH Je HarpaljeH Ha IOMECHyTOM TIOTKOTIy,yCJIe)L Hepe/lOBHOr OJ1p:;KaBahba H HeJlOCTaTaK uHmIheMba OJI MyJba.To je J(OBeJIO JIO CMaMbCHe IIpOIyCHe CIIOCOOHOCTH KaHaJIa H H3J1IHB2aFba BOJIĆ IIHDpOM OBC ...
    ... HaTyPaJIHH IIOKa3aTCJb. IIpea creneHy HcTpaxKeHocTH JexxHirra H nO3HaBaMbby KBajJIHTeETA CHDpOBHHE y aHaJHH3HpaHOM tIoJnpyujy OHJIaHCHe pe3epBe cy 5 a L kareropHje 3a peBHp Byukopo u II Kkareropuje 3a ĐaBojby BoneHuny IHI{ a Bape. 35 5.8.2. Harypa.nnu nokKa3aTeJbu y IIHpeM CMHCJIy HarypaxHH n ...

  • Српски језик у дигиталном добу -- The Serbian Language in the Digital Age

    Duško Vitas, Ljubomir Popović, Cvetana Krstev, Ivan Obradović, Gordana Pavlović-Lažetić, Mladen Stanojević (2012)
    Serbian language
    ... проблеме. То отвара велике могућности за продуктивну сарадњу. 15 ћирилица А Б В Г Д Ђ Е Ж З И Ј К Л Љ М а б в г д ђ е ж з и ј к л љ м латиница A B V G D Đ E Ž Z I J K L Lj M a b v g d đ e ž z i j k l lj m ћирилица Н Њ О П Р С Т Ћ У Ф Х Ц Ч Џ Ш н њ о п р с т ћ у ф х ц ч џ ш латиница N Nj O P R S ...
    ... proper way to write, and pronounce the name, is Шекспир and Šekspir). Cyrillic А Б В Г Д Ђ Е Ж З И Ј К Л Љ М а б в г д ђ е ж з и ј к л љ м Latin A B V G D Đ E Ž Z I J K L Lj M a b v g d đ e ž z i j k l lj m Cyrillic Н Њ О П Р С Т Ћ У Ф Х Ц Ч Џ Ш н њ о п р с т ћ у ф х ц ч џ ш Latin N Nj O P R S T Ć U ...
    ... два олика једне речи могу ити веома удаљена, нпр. номинатив сингулара именице „мисао“ је мисао, а инструментал сингулара мишљу (алтернације a/ø, o/л, л+j/љ/ с/ш). Акценатски систем од 4 акцента заснован је на два укрштена параметра: опозиција по дужини (кратки : дуги) и по тону (силазни : узлазни) ...

  • Modeliranje sistema upravljanja zaštitom životne sredine u rudarsko-energetskim kompleksima

    Jelena R. Malenović - Nikolić (2016-07-12)
    Efikasnost funkcionisanja sistema upravljanja zaštitom životne sredine u rudarskoenergetskimkompleksima zavisi od stepena sprovođenja usvojene politike zaštiteživotne sredine i primene preventivnih mera zaštite životne sredine. Nedostatakfinansijskih sredstava za unapređivanje tehnologije eksploatacije, transporta, pripreme iprerade energetskih mineralnih sirovina u našim rudarsko-energetskim kompleksima,negativno utiče na ostvarivanje ciljeva zaštite životne sredine, a posledice radnihaktivnosti rudarsko-energetskih kompleksa dovode do smanjenja nivoa kvalitetavazduha, vode i zemljišta...
    rudarsko-energetski kompleks, životna sredina, sistem upravljanja,višekriterijumsko odlučivanje, modeliranje
    ... dozvoljene (0,3 mg/l) [168]. Prekoračena je i maksimalno dozvoljena koncentracija nitrita (0,05 mg/l) i arsena (0,05 mg/l) [168]. Koncentracija suspendovanih materija u uzetim uzorcima vode višestruko prevazilazi maksimalno dozvoljenu koncentraciju (MDK), koja iznosi 30 mg/l [168]. Bager stanica ...
    ... 40–50 176 20. Alkemade, R., Oorschot, M., Miles, L., Nellemann, C., Bakkenes, M., Brink, B., The Economics of Ecosystems and Biodiversity, Ecological and economic foundations, London, 2010 21. Alkemade, R., Oorschot, M., Miles, L., Nellemann, C., Bakkenes, M., Brink, B., GLOBIO3: A Framework ...
    ... 2012, pp. 54-61 54. Augutis, J., Krikstolaitis, R., Martisauskas, l., Peciulyte, S., Energy security level assessment technology, Applied Energy, Applied Energy 97, 2012, pp. 143–149 179 55. Becerra, T., X., Bravo, L., F. Bárcena, B., Methodology proposal for territorial distribution ...

  • Povezivanje i detaljno snimanje donjeg potkopa rudnika ,,Crveni Breg“ na Avali

    Jovan Obradović (2024)
    Cilj ovog Završnog rada na temu „Povezivanje i detaljno snimanje donjeg potkopa rudnika ,,Crveni Breg“ na Avali” jeste dobijanje koordinata tačaka jamskog poligonskog vlaka, kao i prikaz samog rudnika na osnovu detaljnog snimanja jame, kao poprečnih profila podzemne rudničke prostorije. U datom radu biće predstavljene metode koje su primenjene prilikom snimanja, kao i rezultati samih merenja i sva potrebna računanja da bi se došlo do potrebnih koordinata.Merenja za završni rad obavljena su tokom terenske nastave održane u junu 2024. godine ...
    Rudarska merenja, povezivanje, plan jame, poprečni profil
    ... ripenao/na ejeKTpOHCKy Bep3Hjy 3aBpHMIHOrT pama Ha OCHOBHHM/MBCTCP akaJIČMCKHM CTy,&l/ljaMa TIOJ1 HaCJIOBOM: olipulboWet u aoko.bkUb — CMUuMAu-) _agub-ik eWijapUva, puMAO, WW ru»„)u@am Kojut je ypabjeH mo)l MeEHTOpCTBOM MW\»Č\QQ M& E () = 3(43579 (uwe, npe3uMe u 36atbe) a3a JlururajiHH pe ...
    ... rudnik i deo šina izvan rudnika, koji nije zatrpan zemljom. Plan Jame i poprečnih profila rađen je u programu „AutoCAD 2024“. 55 Literatura l. Ganić A., Milutinović A.:. GFPODETSKA RAČUNANJA, Rudarsko-geološki fakultet, Beograd 2010. 2. Patarić M.: RUDARSKA MERENJA I deo, Rudarsko-geološki ...
    ... 3ABPIHHOT PAJIA OnnauihyjeM OHOamoTeky Pynapcko-reojonuikor Qbakynrera na y JIiirHrajtHH peno3HTopHjyM yHece MOJ 3aBPIHHIHH P43J1 1071 HaCJIOBOM: l\u.gMLafaum KojH Je MOje ayTOpCKO JeJIO. 3aBpuiHuH pajl ca CBHM HpHHO3HMa mpenao/na caM y eJIČKTDOHCKOM (bopMaTy HOTOJIHOM 34 TpajHo apxHBHpaMe. ...

  • Open Educational Resources in Serbia

    Ivan Obradović, Ranka Stanković, Marija Blagojević, Danijela Milošević (2020)
    Open educational resources, BAEKTEL, Metadata portal
    ... C.B., & Caeiro Rodriguez, M. (2018). Open Education with OER (OPEN EDUCATIONAL RESOURCES) Ecosystem, OE Global Conference. Falconer, I., McGill L., Littlejohn A., Boursinou E. (2013). Overview and Analysis of Practices with Open Educational Resources in Adult Education in Europe. Available from: ...
    ... of The Fourth International Conference on e-Learning (eLearning-2013), Belgrade, Serbia. Stanković, R., Obradović, I., Kitanović, O., & Kolonja, L. (2012). Building Terminological Resources in an e-Learning Environment. Proceedings of The Fourth International Conference on e-Learning (eLearning-2012) ...
    ... http://doi.org/10.1629/uksg.464 http://doi.org/10.1629/uksg.464 # - will be assigend by editors. OPEN EDUCATIONAL RESOURCES IN SERBIA 23 McGill, L., Currier, S., Duncan, S., & Douglas, P. (2008). Good intentions: improving the evidence base in support of sharing learning materials. Available from: ...