Претрага
2200 items
-
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
-
Upravljanje proizvodnjom nafte – novi alat na bazi fazi logike
... Agricultural Sciences and Food, University St. Cyril and Methodius, Skopje, North Macedonia Dr Frosina Babanovska-Milenkovska69 Faculty of Agricultural Sciences and Food, University St. Cyril and Methodius, Skopje, North Macedonia Mr Jelena Mladenova70 Faculty of Agricultural Sciences and Food, ...
... 282 Dr Ljubica Karakashova71 Faculty of Agricultural Sciences and Food, University St. Cyril and Methodius, Skopje, Nord Macedonia Dr Frosina Babanovska-Milenkovska72 Faculty of Agricultural Sciences and Food, University St. Cyril and Methodius, Skopje, Nord Macedonia Mr Daniela Kavrakova73 ...
... reservoirs and lakes. Based on human economic needs for freshwater. The total amount of water on earth is about 1386 million km3. However, not all of these water resources are potentially available to humans since freshwater is required by the agricultural sector, industries, and domestic and recreational ...Мирослав Црногорац, Душан Даниловић, Лола Томић. "Upravljanje proizvodnjom nafte – novi alat na bazi fazi logike" in IX Naučno stručni skup Preduzetništvo, inženjerstvo i menadžment Zrenjanin, 24.10.2020. god., Visoka tehnička škola strukovnih studija u Zrenjaninu (2020)
-
Sorpcija herbicida na neorganski i organski modifikovanom prirodnom montmorionitu iz Bogovine
Lazar M. Kaluđerović (2018-01-17)fikasnost prilikom sorpcije S-metolahlora i klomazona od strane neorganskih iorganski modifikovanih montmorionita sa lokaliteta Bogovina odreĎena je metodombach adsorpcije. Uzorci montmorionita su tretirani prvo rastvorom NaCl a zatim irazličitim koncentracijama organskih kompleksa. Adsorpcione izoterme su dobijenetretiranjem uzoraka različitim koncentracijama herbicida. Detaljna mineraloškakarakterizacija uzoraka uraĎena je metodom rendgenske difrakcije. Rezultati interakcijemontmorionita sa organskim kompleksima i herbicidima dobijeni su primenomrendgenskih, optičkih, termičkih i spektroskopskih metoda.Na osnovu rezultata rendgenskih ispitivanja uzoraka, utvrĎeno je prisustvoorganskih kompleksa i herbicida u meĎuslojnom prostoru montmorionita.Montmorioniti modifikovani ...adsorpcija, montmorionit, heksadeciltrimetilamonijum bromid,feniltrimetilamonijum hlorid, S-metolahlor, klomazon... hexadecyltrimethylammonium bromide, phenyltrimethylammonium chloride, S-metolachlor, clomazone Scientific field: Geo-sciences Field of academic expertise: Fundamental and applied mineralogy UDK number: 632.954:54(497.11)(043.3) ...
... chloroacetanilide 435 herbicides on soil (I). Structural influence of chloroacetanilide herbicide for their adsorption on soils and its components. Journal of Environmental Sciences, 13: 37–45. 143 Liu,H. B., Xiao H. N. 2012. Investigation on Intercalation Modification of Sodium- montmorillonite ...
... Thermal analysis of sepiolite and palygorskite treated with butylamine. Clay Minerals, 25: 107–119. Sompech S., Nuntiya A., Aukkaravittayapun S., Pumchusak J. 2008. Interlayer Expansion of Organoclay by Cationic Surfactant. Chiang Mai University Journal of Natural Sciences, Special Issue on Nanotechnology ...Lazar M. Kaluđerović. "Sorpcija herbicida na neorganski i organski modifikovanom prirodnom montmorionitu iz Bogovine" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2018-01-17)
-
Differently shaped nanocrystalline (Fe, Y)3O4 and its adsorption efficiency toward inorganic arsenic species
Biljana P Dojčinović, Boštjan Jančar, Lotfi Bessais, Aleksandar Kremenović, Nataša P Jović-Jovičić, Predrag T Banković, Dalibor M Stanković, Miloš Ognjanović, Bratislav V Antić (2019)Herein we report effects of partial substitution of Fe3+ by Y3+ in magnetite (Fe3O4) on morphology and inorganic arsenic species adsorption efficiency of the Fe3−xYxO4 nanoparticles formed. The series of Fe3−xYxO4 (x=0.00, 0.042 and 0.084, labeled as Y00, Y05 and Y10, respectively) was synthesized using co-precipitation followed by microwave-hydrothermal treatment (MW) at 200°C. With increase of yttrium content(xvalue), both the morphological inhomogeneity of the samples and the fraction of spinel nanorods as compared to spinel pseudospherical particles increased. By ...Biljana P Dojčinović, Boštjan Jančar, Lotfi Bessais, Aleksandar Kremenović, Nataša P Jović-Jovičić, Predrag T Banković, Dalibor M Stanković, Miloš Ognjanović, Bratislav V Antić. "Differently shaped nanocrystalline (Fe, Y)3O4 and its adsorption efficiency toward inorganic arsenic species" in Nanotechnology, IOP Publishing (2019). https://doi.org/10.1088/1361-6528/ab3ca2
-
Application of a Method for Intelligent Multi-Criteria Analysis of the Environmental Impact of Tailing Ponds in Northern Kosovo and Metohija
Gordana Milentijević, Blagoje Nedeljković, Milena Lekić, Zoran Nikić, Ivica Ristović, Jelena Đokić (2016)... Analysis of the Environmental Impact of Tailing Ponds in Northern Kosovo and Metohija Gordana Milentijević 1, Blagoje Nedeljković 1, Milena Lekić 2,*, Zoran Nikić 3, Ivica Ristović 2 and Jelena Djokić 1 1 Faculty of Techinal Sciences, University of Pristina, 38220 Kosovska Mitrovica, Serbia; gordan ...
... cultural, social and organizational frameworks; it should be applicable to large and small companies and for large and small-scale environmental pollutants. It was thus decided that the ranking of five current tailing ponds should be done by multi-criteria analysis. Field work and analysis of flotation ...
... 43007: Climate Change Impact to the Environment-Assessment, Adaptation and Mitigation, Sub-Project 15: Climate Change Impact to the Environment and Natural Resources of the North of Kosovo and Metohija and Project OI 176018: Geological and ecotoxicological investigations in identification of geopathogenic ...Gordana Milentijević, Blagoje Nedeljković, Milena Lekić, Zoran Nikić, Ivica Ristović, Jelena Đokić. "Application of a Method for Intelligent Multi-Criteria Analysis of the Environmental Impact of Tailing Ponds in Northern Kosovo and Metohija" in Energies, MDPI AG (2016). https://doi.org/10.3390/en9110935
-
State and perspective of individual household heating in Serbia: A survey-based study
This paper presents the results of the household survey on individual household heating systems in Serbia. The survey was conducted in the period October to December 2020 with the participation of 1100 households with individual household heating systems. The information collected in the questionnaire can be separated into three main parts: basic household data, current heating system characteristics, and households’ perceptions and attitudes. The survey results provide unique and comprehensive information concerning individual household heating systems and the main ...Boban Pavlović, Dejan Ivezić, Marija Živković. "State and perspective of individual household heating in Serbia: A survey-based study" in Energy and Buildings, Elsevier BV (2021). https://doi.org/10.1016/j.enbuild.2021.111128
-
An Approach to Efficient Processing of Multi-Word Units
Efficient processing of Multi-Word Units in the course of development of morphological MWU dictionaries is not easy to achieve, especially when languages with complex morphological structures are concerned, such as Serbian. Manual development of this type of dictionaries is a tedious and extremely slow process. To alleviate this problem we turned to our multipurpose software tool, dubbed LeXimir, in the production of lemmas for e-dictionaries of multi-word units. In addition to that, we developed a procedure aimed at making ...... we have used our system intensively, amended it and refined our strategy. Then, we have conducted a second round of evaluation using three new data sets. The first two contained MWUs from a terminological dictionary for library and information sciences (LIS): the first data set included 519 MWUs of ...
... are petokrak.A6 and zvezda.N600, and for Farenhajtov stepen they are Farenhajtov.A1 and stepen.N5. 5. What are the values of grammatical features of constituent forms used in the MWU lemma? For the first example they are aefs1g and fs1q, while for the second they are akms1g and ms1q. A fully manual ...
... that it enables inflection of simple words, MWUs and free phrases supplied as key- words to Google. The tool relies on Serbian e-dictionaries, inflection transducers for simple words and MWUs, and uses Unitex and Multiflex modules for inflection and dictionary look-up. As for the free phrases that ...Cvetana Krstev, Ivan Obradović, Ranka Stanković, Duško Vitas. "An Approach to Efficient Processing of Multi-Word Units" in Computational Linguistics - Applications, Studies in Computational Intelligence 458 no. 458, Berlin Heidelberg : Springer-Verlag (2013): 109-129. https://doi.org/10.1007/978-3-642-34399-5_6
-
Ефикасност дистрибуције и коришћења природног гаса у домаћинствима
Dejan Brkić (2010-03-30)Природни гас ће се у будућности све више користити као енергент за подмиривање грејних потреба становништва у српским градовима. Стога је потребно изнаћи најповољнији начин употребе природног гаса. Природни гас се може користити за подмирење грејних потреба становништва на два дијаметрално супростављена начина, и то директно, тако што би се гас директно уводио у зграде путем дистрибутивног система за снабдевање гасом и затим сагоревао у гасном котлу којим је сваки стан опремљен (гасни дистрибутивни систем), или индиректно, тако што ...prirоdni gаs, distribuciја gаsа,grејаnjе, cеvоvоdi, cеvоvоdnе mrеžе,fаktоr trеnjа pri prоtоku fluidа,urbаnizаm... Characterization of the effect of surface roughness and texture on fluid flow‐past, present, and future. International Journal of Thermal Sciences 45(10), 962‐968. (на енглеском) 275. Ter Brugge, R. 1984. Spatial structure in relation to energy production and consumption. Tijdschrift voor Economischeen ...
... Proceedings of the Royal Society of London Series A Mathematical and Physical Sciences 161 (906) 367‐381 (на енглеском) 5 Colebrook, CF. 1939. Turbulent flow in pipes with particular reference to the transition region between the smooth and rough pipe laws. Journal of the Institution of Civil Enginee ...
... al Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 365(1852), 699‐714. (на енглеском) 10. Altman, T., Boulos, P.F., 1995. Convergence of Newton method nonlinear network analysis. Mathematical and Computer Modelling 21(4), 35–41. (на енглеском) 11. Andriyashev ...Dejan Brkić. "Ефикасност дистрибуције и коришћења природног гаса у домаћинствима" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2010-03-30)
-
Ефикасност дистрибуције и коришћења природног гаса у домаћинствима
Dejan Brkić (2010-03-30)Природни гас ће се у будућности све више користити као енергент за подмиривање грејних потреба становништва у српским градовима. Стога је потребно изнаћи најповољнији начин употребе природног гаса. Природни гас се може користити за подмирење грејних потреба становништва на два дијаметрално супростављена начина, и то директно, тако што би се гас директно уводио у зграде путем дистрибутивног система за снабдевање гасом и затим сагоревао у гасном котлу којим је сваки стан опремљен (гасни дистрибутивни систем), или индиректно, тако што ...prirоdni gаs, distribuciја gаsа,grејаnjе, cеvоvоdi, cеvоvоdnе mrеžе,fаktоr trеnjа pri prоtоku fluidа,urbаnizаm... Characterization of the effect of surface roughness and texture on fluid flow‐past, present, and future. International Journal of Thermal Sciences 45(10), 962‐968. (на енглеском) 275. Ter Brugge, R. 1984. Spatial structure in relation to energy production and consumption. Tijdschrift voor Economischeen ...
... Proceedings of the Royal Society of London Series A Mathematical and Physical Sciences 161 (906) 367‐381 (на енглеском) 5 Colebrook, CF. 1939. Turbulent flow in pipes with particular reference to the transition region between the smooth and rough pipe laws. Journal of the Institution of Civil Enginee ...
... al Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 365(1852), 699‐714. (на енглеском) 10. Altman, T., Boulos, P.F., 1995. Convergence of Newton method nonlinear network analysis. Mathematical and Computer Modelling 21(4), 35–41. (на енглеском) 11. Andriyashev ...Dejan Brkić. "Ефикасност дистрибуције и коришћења природног гаса у домаћинствима" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2010-03-30)
-
Mean-based iterative methods for finding multiple roots in nonlinear chemistry problems
Dejan Ćebić, Nebojša M. Ralević (2021)Dejan Ćebić, Nebojša M. Ralević. "Mean-based iterative methods for finding multiple roots in nonlinear chemistry problems" in Journal of Mathematical Chemistry, Springer Science and Business Media LLC (2021). https://doi.org/10.1007/s10910-021-01253-3
-
Surface functional groups and degree of carbonization of selected chars from different processes and feedstock
Marija Ilić, Franz-Hubert Haegel, Aleksandar Lolić, Zoran Nedić, Tomislav Tosti, Ivana Sredović Ignjatović, Andreas Linden, Nicolai D. Jablonowski, Heinrich Hartmann (2022)The knowledge ofthe structural and chemical properties of biochars is decisive for their application as technical products. For this reason, methods for the characterization of biochars that are generally applicable and allow quality control are highly desired. Several methods that have shown potential in other studies were used to investigate two activated carbons and seven biochars from different processes and feedstock. The chars were chosen to cover a wide range of chemical composition and structural properties as a hardness ...Biougalj, različiti procesi dobijanja, različite sirovine, površinski aktivne grupe, x-ray, FT-IR,XPS... CS180h was a mixed sample ofcorn (Zea mays L.) silage made from products of Artec Biotech- nologie GmbH, Bad Keonigshofen, Germany and OWL University of Applied Sciences and Arts, Hoxter, Germany. All components were produced by hydrothermal carbonization at 180 "C for typically 8-12 h. M200h was produced ...
... PW700g. 7.9 740 0.70 CS180h 4.1 1080 10.5 M200h 6.0 1020 8.39 https://doi.org/10.1371/journal.pone.0277365.t005 consequently more alkaline and earth alkaline ions than wood in the original biomass. There- fore, the ash-content ofthe hydrochars is comparable to that of pyrochars or even higher ...
... , University of Belgrade, Belgrade, Serbia, 6 Institute of Bio- und Geosciences – Plant Sciences (IBG-2), Forschungszentrum JUlich GmbH, Julich, Germany, 7 Central Institute for Engineering, Electronics and Analytics – Analytics (ZEA-3), Forschungszentrum Julich GmbH, JUlich, Germany • These ...Marija Ilić, Franz-Hubert Haegel, Aleksandar Lolić, Zoran Nedić, Tomislav Tosti, Ivana Sredović Ignjatović, Andreas Linden, Nicolai D. Jablonowski, Heinrich Hartmann. "Surface functional groups and degree of carbonization of selected chars from different processes and feedstock" in PLOS ONE (2022). https://doi.org/10.1371/journal.pone.0277365
-
Kontaktni metamorfizam gornjokrednih sedimentnih stena Rudnika
Kostić N. Bojan (2021)Kontaktni metamorfizam gornjokrednih sedimentnih stena na planini Rudnik ispitivan je na uzorcima iz pet bušotina. Definisano je šest varijeteta krednih stena (protolita) koji čine dve litološke jedinice izgrađene od klastičnog, karbonatnog i klastično-karbonatnog materijala. Vulkanskom aktivnosti na Rudniku formirana su vulkanska tela koja se utiskuju duž slojevitosti sedimentnih stena, a neka ih presecaju u vidu dajkova. Starost ovog vulkanskog događaja određena je na 23.9 miliona godina. Ovaj miocenski vulkanizam doveo je do kontaktno metamorfnih promena sedimentnih stena i obrazovanja skarnova ...... the Cretaceous Adria-Europe convergence in the NE Dinarides. Global and Planetary Change 171. p.167-184 Tornebohm, A.E. 1875: Geognostisk beskrifning ofver Persbergets Grufvefalt: Sveriges Geologiska Undersokning, P.A. Norstedt and Sons, Stockholm, pp.21 114 Tošović, R. 2000: Genetsko i ...
... Recommended nomenclature of epidote-group minerals. Eur. J. Mineral. 18, p. 551–567 Bau, M. 1991: Rare-earth element mobility during hydrothermal and metamorphic fluid- rock interaction and the significance of the oxidation state of europium. Chemical Geology 93, p. 219-230 Blečić, N. 1974: ...
... Drill Program Science Results, 125, p. 445–485 Jackson, M., Blundy, J., Sparks, R. 2018: Chemical differentiation, cold storage and remobilization of magma in the Earth`s crust. Nature 564. p. 405-409 Jamtveit, B., Wogelius, R., Fraser, D. 1993: Zonation patterns of skarn garnets: Records of h ...Kostić N. Bojan. Kontaktni metamorfizam gornjokrednih sedimentnih stena Rudnika, Univerzitet u Beogradu, Rudarsko-geološki fakultet, 2021
-
Синтеза и карактеризација керамике на бази сфена
Jelena R. Pantić (2015-07-10)Механохемијска активација стехиометријске смеше реактаната TiO2, SiO2 и CaCO3 показала се као веома успешна и једноставна метода за добијање сфена (CaTiSiO5). На основу мерења релативних густина свих синтерованих узорака установљено је да максималну густину од 93,9 % имају узорци који су активирани 30 минута и синтеровани на 1200 °С. Микроструктурном анализом, тј. анализом слика синтерованих узорака активираних 30 минута, које су добијене скенирајућом електронском микроскопијом, опажа се бимодална расподела величине зрна, са просечном величином од 3 μm, односно 5 ...сфен, механохемија, Ритвелдова метода, оптичка спектроскопија, микроструктурна анализа, фазна трансфоpмација, чврсти раствори... Saito F. and Hanada, M. (1997) Mechanochemical synthesis of tobermorite by wet grinding in a planetary ball mill. Powder Technol 93: 77-81. Докторска дисертација Јелена Пантић 123 Mill B., Belokoneva E. and Butashin ...
... compounds. News of the Academy of Science, ser. Phys Tech, Sciences 1: 42-46 (in Russian). Malcherek T. (2002) Structure and phase transitions of LiTaOGeO4. Acta Crystallogr B 58: 607-612. Malcherek T. and Bosenick A. (2004) Structure and phase transition of CaGe2O5 revisited. Phys Chem Miner ...
... Hanser C. and Hennig H.P. (1984) Tribochemistry. Carl Hanser Verlag, München. Hemminger W. and Sarge S.M. (1998) Handbook of Thermal Analysis and Calorimetry. In: Brown M.E. and Gallagher P.K. (ed) Principles and practice, Vol 1, Elsevier, 7-21. Heyns, A. M., Harden, P.M. and Prinsloo, L ...Jelena R. Pantić. "Синтеза и карактеризација керамике на бази сфена" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-07-10)
-
Синтеза и карактеризација керамике на бази сфена
Jelena R. Pantić (2015-07-10)Механохемијска активација стехиометријске смеше реактаната TiO2, SiO2 и CaCO3 показала се као веома успешна и једноставна метода за добијање сфена (CaTiSiO5). На основу мерења релативних густина свих синтерованих узорака установљено је да максималну густину од 93,9 % имају узорци који су активирани 30 минута и синтеровани на 1200 °С. Микроструктурном анализом, тј. анализом слика синтерованих узорака активираних 30 минута, које су добијене скенирајућом електронском микроскопијом, опажа се бимодална расподела величине зрна, са просечном величином од 3 μm, односно 5 ...сфен, механохемија, Ритвелдова метода, оптичка спектроскопија, микроструктурна анализа, фазна трансфоpмација, чврсти раствори... Saito F. and Hanada, M. (1997) Mechanochemical synthesis of tobermorite by wet grinding in a planetary ball mill. Powder Technol 93: 77-81. Докторска дисертација Јелена Пантић 123 Mill B., Belokoneva E. and Butashin ...
... compounds. News of the Academy of Science, ser. Phys Tech, Sciences 1: 42-46 (in Russian). Malcherek T. (2002) Structure and phase transitions of LiTaOGeO4. Acta Crystallogr B 58: 607-612. Malcherek T. and Bosenick A. (2004) Structure and phase transition of CaGe2O5 revisited. Phys Chem Miner ...
... Hanser C. and Hennig H.P. (1984) Tribochemistry. Carl Hanser Verlag, München. Hemminger W. and Sarge S.M. (1998) Handbook of Thermal Analysis and Calorimetry. In: Brown M.E. and Gallagher P.K. (ed) Principles and practice, Vol 1, Elsevier, 7-21. Heyns, A. M., Harden, P.M. and Prinsloo, L ...Jelena R. Pantić. "Синтеза и карактеризација керамике на бази сфена" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-07-10)
-
Improving Document Retrieval in Large Domain Specific Textual Databases Using Lexical Resources
Large collections of textual documents represent an example of big data that requires the solution of three basic problems: the representation of documents, the representation of information needs and the matching of the two representations. This paper outlines the introduction of document indexing as a possible solution to document representation. Documents within a large textual database developed for geological projects in the Republic of Serbia for many years were indexed using methods developed within digital humanities: bag-of-words and named ...... Computer Sciences, Uni- versity of Massachusetts Amherst [2]. The Okapi system was originally developed at the Polytechnic of Central London in the early 1980’s and later developed at City University London and Microsoft Research [21]. A u t h o r P r o o f 12 R. Stanković et al. (e) lnu = (ltf/(1 ...
... style, both city and country names must be present in the affiliations. Accordingly, we have inserted the city and country names in affiliations “1 and 2”. Please check and confirm if the inserted city and coun- try names are correct. If not, please provide us with the correct city and country names ...
... resource is selected as one facet and the words lignit ‘lignite’ and ugalj ‘coal’ are defined for keyword search, and the system will search for any of these two words in appropriate fields. The second facet is location, and the corresponding keyword is Tamnava. This query and the docu- ments retrieved are ...Ranka Stanković, Cvetana Krstev, Ivan Obradović, Olivera Kitanović. "Improving Document Retrieval in Large Domain Specific Textual Databases Using Lexical Resources" in Trans. Computational Collective Intelligence - Lecture Notes in Computer Science 26, Springer (2017). https://doi.org/10.1007/978-3-319-59268-8_8
-
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... Andreychin”, Bulgarian Academy of Sciences. Krstev, Cvetana, Duško Vitas, and R Stanković. 2015. “A Lexical Approach to Acronyms and Their Definitions.” In Proceedings of the 7th Language & Technology Conference, 219–23. Krstev, Cvetana, An\djelka Zečević, Duško Vitas, and Tita Kyriacopoulou. 2013. “NERosetta ...
... Ranka Stanković, Aleksandra Tomašević, Mihailo Škorić, Ivan Babić, and Ljiljana Kolonja. 2021. “A Data Driven Approach for Raw Material Terminology.” Applied Sciences 11 (7): 2892. Knublauch, Holger, Ray W Fergerson, Natalya F Noy, and Mark A Musen. 2004. “The Protégé OWL Plugin: An Open Development ...
... Nišić, Dragana, Dinko Kneževic, and Nikola Lilić. 2018. “Assessment of Risks Associated with the Operation of the Tailings Storage Facility Veliki Krivelj, Bor (Serbia).” Archives of Mining Sciences 63 (1). Nišić, Dragana, Dinko Knežević, Nevena Sijerković, Uroš Pantelić, and Mirjana Banković. 2016. “Comparative ...Olivera Kitanović. Ontološki model upravljanja rizikom u rudarstvu, Beograd : [O. Kitanović], 2021
-
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... Mare–a pilot study of magnetic screening, Physics and Chemistry of the Earth, Vol.27, 2002, pp. 1371–1376. 82. N. Eriksson, P. Adamek, The tailings pond failure at the Aznalcóllar mine, Spain, Environmental Issues and Management of Waste in Energy and Mineral Production, Book, Netherlands, 2000, ...
... model, random forests and rough set theory approach for credit rating, Knowledge-Based Systems 33, 2012, pp. 166–172. 16. C.-H. Cheng, T.-L. Chen, L.-Y. Wei, A hybrid model based on rough sets theory and genetic algorithms for stock price forecasting, Information Sciences 180, 2010, pp. 1610– ...
... clinical databases based on rough set theory, Information Sciences 112, 1998, pp. 67–84. 29. C.-S. Son, Y.-N. Kim, H.-S. Kim, H.-S. Park, M.-S. Kim, Decision-making model for early diagnosis of congestive heart failure using rough set and decision tree approaches, Journal of Biomedical Informatics ...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)
-
Adsorption and degradation of some psychiatric drugs by sol-gel synthesized titania-based photocatalysts: influence of tungsten and sodium content
Nina L. Finčur, Maja J. Šćepanović, Mirjana Grujić-Brojčin, Biljana F. Abramović, Jugoslav B. Krstić, Aleksandar Kremenović, Tatjana Srećković, Aleksandar Golubović (2019)Mesoporous anatase nanopowders were doped with 0.05−0.5 mol% of W6, in order to obtain more efficient photocatalyst than TiO2 Degussa P25 in the degradation of amitriptyline (AMI) under simulated solar irradiation (SSI). Dominant XRPD peaks were ascribed to anatase phase, with additional peaks which could correspond to brookite, TiO2 bronze and sodium titanate, Na2Ti9O19. The Raman scattering measurements have confirmed anatase as dominant phase, with broad Raman feature at ~270 cm−1 possibly related to Ti–O–Na stretching vibration. All W-doped ...Sol-gel synthesis, Doped titania nanopowders, XRPD, Raman spectroscopy, Adsorption and photocatalytic degradation, Psychiatric drugsNina L. Finčur, Maja J. Šćepanović, Mirjana Grujić-Brojčin, Biljana F. Abramović, Jugoslav B. Krstić, Aleksandar Kremenović, Tatjana Srećković, Aleksandar Golubović. "Adsorption and degradation of some psychiatric drugs by sol-gel synthesized titania-based photocatalysts: influence of tungsten and sodium content" in Journal of Sol-Gel Science and Technology, Springer Science and Business Media LLC (2019). https://doi.org/10.1007/s10971-019-04925-4
-
Back-arc underplating provided crustal accretion affecting topography and sedimentation in the Adria microplate
Paolo Mancinelli, Vittorio Scisciani, Cristina Pauselli, Gérard M. Stampfli, Fabio Speranza, Ivana Vasiljević (2021)Supported by evidence of deep crustal sources for the observed magnetic anomalies in Central Italy and by outcropping gabbros in the Croatian archipelago, we model the observed gravity and magnetic anomalies in the Central Adriatic Sea and surroundings. We suggest that the major magnetic anomalies in the area are related to a wide underplating and propose that this volume represents the first stage of the back-arc Adria continental breakup in Early Permian times. During the Palaeotethys-Adria collision, underplating has ...Paolo Mancinelli, Vittorio Scisciani, Cristina Pauselli, Gérard M. Stampfli, Fabio Speranza, Ivana Vasiljević. "Back-arc underplating provided crustal accretion affecting topography and sedimentation in the Adria microplate" in Marine and Petroleum Geology, Elsevier Ltd. (2021). https://doi.org/10.1016/j.marpetgeo.2021.105470
-
Верификација етажних транспортера на угљеном систему – површински коп Дрмно
Тамара Андрејевић (2024)У савременом рударству, површински копови угља наилазе на различите проблеме које треба превазићи зарад добијања потребне количине угља. Као највећи потрошачи овог енергента јављају се термоелектране, где на основу овога можемо да закључимо колико су блиско повезани добра и континуирана производња на површинском копу и рад термоелектрана. Са циљем да се обезбеди стабилна и континуирана производња, потребно је да се направи добар одабир транспортера. У овом раду, за потребе верификације затезне чврстоће траке и снаге погона транспортера, коришћен је ...... Installed Motor Power 2520 kKW Carry and Return Idlers Carry Idler Trough Angle |MN Return Idler Trough Angle 10 9 Carry Idler Spacing 1.2 m Return Idler Spacing 3m Carry Idler No Rolls x Dia 3x152 mm Return Idler No Rolls x Dia 2x152 mm Dynamics and Miscellaneous Data Startup Factor - Fully Loaded ...
... Load Area and Capacity at 960kgim3 Allowable Tension Rise, Starting 150 % Minimum Rec. Edge Distance 122 mm Allowable Belt Tension, Starting 810 kN Actual Edge Distance High BD 314 mm Actual Belt Tension, Starting 587.05 kN Belt Load Area Utilised at High Bulk Density 0.1987. m2 Belt and Material ...
... 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 ...Тамара Андрејевић. Верификација етажних транспортера на угљеном систему – површински коп Дрмно, 2024