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125 items

  • Mikroorganizmi - biohidrogeološki indikatori odabranih pojava mineralnih voda Srbije

    Vladimir Šaraba (2021)
    Sa namerom definisanja hidrogeološke uloge i značaja mikrobiološkog diverziteta odabranih pojava mineralnih voda Srbije, primenom sistema biodetektora, dokazano je prisustvo gvožđevitih, sulfato-redukujućih, sluz-produkujućih, heterotrofnih aerobnih i denitrifikacionih bakterija, na osnovu čega je proračunat rizik od razvoja procesa biokorozije i biohemijske inkrustacije, te zdravstveni rizik. Uz procenu rizika, izvedene su analize skenirajuće elektronske mikroskopije biofilmova i hidrogeohemijsko modeliranje, te makroskopska, otpička i difrakciona ispitivanja naslaga inkrustacije, dok je fizičko-hemijskim analizama utvrđena vrednost ukupne mineralizacije iznad 1 g/L, kao i povišeni ...
    biohidrogeologija, SEM analize, makroskopska i optička ispitivanja, rendgenska difrakcija praha, hidrogeohemijsko modeliranje, BART analize, metabarkoding analize mikrobioma, fizičko-hemijske analize, starenje bunara (biokorozija, biohemijska inkrustacija i biozarastanje), zdravstveni rizik
    ... Food Safety Authority of Ireland. (2009). Report of the scientific committee of the food safety authority of Ireland, The consumption of bottled water containing certain bacteria or groups of bacteria and the implications for public health. Dublin: Food Safety Authority of Ireland. ISBN 1-904465-63-3 ...
    ... Physical and chemical analyses indicated total dissolved salts of more than 1 g/L and elevated concentrations of certain metals and non-metals. Metabarcoding of the microbiomes of the mineral waters revealed the presence of a high percentage of the Proteobacteria, Bacteroidetes, Patescibacteria, Chlorflexi ...
    ... (2014). Corrosion of iron by sulfate-reducing bacteria: new views of an old problem. Applied and environmental microbiology, 80 (4), 1226-1236. European Union. (1998). Council Directive 98/83/EC of 3 November 1998 on the quality of water intended for human consumption. Official Journal of European Communities ...

  • Mikrobiološki diverzitet kiselog jezera Robule i uticaj jezerske vode na oksidaciju sulfidnih minerala

    Srđan B. Stanković (2016-09-11)
    Jezero Robule, formirano u podnožju rudničke raskrivke Oštreljski planir (Rudnik bakra Bor), je nastalo kao posledica rudarskih aktivnosti. Mikrobiološki diverzitet ekstremno kiselog jezera Robule ispitivan je primenom kako klasičnih mikrobioloških metoda (svetlosna mikroskopija i kultivacija na selektivnim podlogama) tako i primenom savremene metode molekularne biologije (analiza polimorfizama terminalnih restrikcionih fragmenata; T-RFLP). Takođe, ispitivan je i potencijal i efikasnost jezerske vode u biološkom luženju mineralnog koncentrata, kao i u bioluženju uzoraka stare flotacijske jalovine Rudnika bakra Bor.Na osnovu dobijenih rezultata ...
    jezero Robule, acidofilne bakterije, bioluženje, kisele rudničke vode, flotacijska jalovina
    ... ion of procariotic organisms and the concept of bacterial speciaton in Garrity G.M., Boone D.R., Castenholz R.W. (editors): Bergey’s Manual of Systematic Bacteriology, second edition, volume 1, Springer, New York: 352-415 12. Bridge, T.A.M., Johnson D.B. (2000) Reductive dissolution of ferric ...
    ... determining Terminal Restriction Fragment Lenth Polymorphisms of genes encoding 16s rRNA, Applied and Environmental Microbiology 63 (11): 4516-4522 69. Livingstone, A., Macpherson, H.G., Jackson B. (1976) Wroewolfeite and other Langite-Group Minerals from Blackcraig, Kirkcudbrightshire, Mineralogy ...
    ... Yield of copper after five weeks of the bioleaching experiment was 68.34±1.21 %, 72.57±0.57 % and 97.78±5.50 % for 15 m, 20 m, and 10 m samples, respectively. Almost a complete dissolution of copper of 10 m sample was a result of dissolution of CuSO4, which precipitated as a consequence of long-term ...

  • Praktikum za vežbe iz Informatike 1

    Ranka Stanković, Ivan Obradović, Olivera Kitanović, Mirjana Banković (2014)
    informatika

  • 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
    ... evaluation and interpretation of the obtained results. Information technology tools were used for model development: UML for concept modeling, OWL for ontology development, SWRL rules for inference mechanism, query languages CQL for corpus and SPARQL for ontology. The research results show that ...
    ... implementation of information extraction algorithms for improving the ontology, as well as an appropriate software solution. The development of the model includes a significant expansion of the mining corpus, as well as the creation of a terminological database, realized using methods of computational ...
    ... and Waste Mining in Long-Term Production Scheduling of Open-Pit Mines.” In . Graham, R. L. 1996. Dictionary of Mining, Mineral & Related Terms. US Bureau of Mines. Gross, Maurice. 1987. “The Use of Finite Automata in the Lexical Representation of Natural Language.” In LITP Spring School on Theoretical ...

  • Mineral Resources of Serbia: Environmental, Societal and Economic Challenges

    Vladimir Simić, Rade Jelenković, Dragana Životić (2019)
    ... communities. The concept of sustainable development is sometimes understood as a need to close mines and quarries instead of making more efforts to develop more sustainable exploration of mineral resources, and sustainable exploitation of the mineral industry itself. • The problem of historical mining ...
    ... Encyclopaedic lexicon- Biology, Newspaper publishing office “Interpres”, Belgrade. Jančić, R. (2004). Botanica pharmaceutica. Gazetfte SCG. Belgrade. Joel, D. M., Putievsky, N., Arianu, L., Ravid, U., Putievsky, E., Dudai, N. (1997). Allelopathic prevention of weed germination of Cuscutfa parasitism ...
    ... INTRODUCTION The mineral industry has been an important part of the economy in Serbia since ancient times (Roman Empire, Middle Ages, and the modern mining period from the second half of 19 century). In the modern economy, the long-term concept of sustainable development implies continued economic growth ...