Претрага
520 items
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Proširivanje upita zasnovano na leksičkim resursima
U radu je opisano kako se leksički resursi za srpski jezik i softverski alati, razvijeni u okviru Grupe za jezičke tehnologije Univerziteta u Beogradu, mogu koristiti za unapređenje postavljanja upita. Rezultati pretrage mogu biti značajno unapređeni korišćenjem različitih leksičkih resursa, kakvi su morfološki rečnici i semantičke mreže. Izloženi pristup može se iskoristiti i u Sistemu naučnih, tehnoloških i poslovnih informacija, jer je efikasno pretraživanje ovog dragocenog resursa, imajući u vidu njegovu heterogenost i obim, kao i preovladavajući tekstualni sadržaj, ...... resursima | Ranka Stanković, Ivan Obradović, Cvetana Krstev | SNTPI 09 - Naučno-stručni skup Sistem naučnih, tehnoloških i poslovnih informacija, Beograd 19. i 20. jun 2009 | 2009 | | http://dr.rgf.bg.ac.rs/s/repo/item/0001475 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду ...Ranka Stanković, Ivan Obradović, Cvetana Krstev. "Proširivanje upita zasnovano na leksičkim resursima" in SNTPI 09 - Naučno-stručni skup Sistem naučnih, tehnoloških i poslovnih informacija, Beograd 19. i 20. jun 2009, Beograd : Fakultet informacionih tehnologija (2009)
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OER obrazovni sadržaji kao spona između akademskog i preduzetničkog znanja
... neophodno razmotriti njihov značaj i kada je reč o OER sadržajima. U ovom radu izdvajamo neke od didaktičkih principa iz jedne od ponuđenih klasifikacija [19], koje ćemo analizirati iz ugla OER sadržaja. Princip naučnosti se odnosi na odabir prezentovanog sadržaja i pedagoške metode i tehnike kojima se ...
... Online Education,3(1), 2006. [18] Ž. Papić, V. Aleksić. Metodika nastave tehničkog i informatičkog obrazovanja. Tehnički fakultet Čačak. 2012, 84.. [19] N. Trnavac, J. Đorđević. Pedagogija. Beograd: Naučna knjiga nova, 2003. [20] D. Wiley. On Quality and OER. Retrieved from: http://opencontent.org/ ...Ivan Obradović, Ranka Stanković, Marija Radojičić. "OER obrazovni sadržaji kao spona između akademskog i preduzetničkog znanja" in The fifth Symposium Mathematics and Applications 2014,17-18 October 2014, Belgrade V no. 1, Beograd : Matematički fakultet Univerziteta u Beogradu (2014)
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Утицај соларне активности на здравље човека
... nepromenjenom obliku, naziva se ekstraterestrijalno zračenje i leži u spektralnom opsegu 0,015 - 1 000 μm. Atmosfera ovo zračenja reflektuje 30%, apsorbuje 19%, ili rasejava i propusti 51%, tako da na Zemlju dospeva izmenjeni spektar i samo mala količina zračenja. Deo ovog spektra (-zraci) pripadaju grupi ...
... v, A.R., Babayev, E.S. et al. (2001). Possible space weather influence on functional activity of the human brain. Proc. Space Weather Workshop, 17-19. [4] Babayev, E.S. (2006). Space weather Influence on Technological, Biological and Ecological Systems: Some Major Results of Complex Investigations ...Каролина Ђукић, Весна Цветков, Весна Дамњановић. "Утицај соларне активности на здравље човека" in VII Меморијални научни скуп из заштите животне средине доцент др Милена Далмација Нови Сад, 01-02. април 2019, Природно-математички факултет, Департман за хемију, биохемију и заштиту животне средине (2019)
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Primena termografije u rudarstvu
Stevan Đenadić, Vesna Damnjanović, Predrag Jovančić, Dragan Ignjatović, Dragutin Jovković, Filip Miletić (2019)Danas, gotovo da nema oblasti u nauci i tehnici u kojoj se Infracrvena termografija ne primenjuje kao metoda za lociranje i praćenje zagrejanih objekata ili tela, beskontaktnu procenu temperature površina, i nedestruktivno ispitivanje materijala. U radu su prikazane mogućnosti i perspektive primene ove metode u oblasti rudarstva.... rudarstvu je upravo inspekcija radi sprečavanja samozapaljenja uglja [10-13]. Slika 7. Termogram uglja u procesu paljenja (kamera Capture1454) [19] U jamama i površinskim kopovima gde je neizbežno odvodnjavanje, ICT se koristi za inspekciju crpnih pumpi (Slika 8). Slika 8. Termogram ...
... au/white-papers/test-white-paper/ https://www.emittedenergy.com/applications-by-process.html https://www.amsj.com.au/thermography-in-mining/ 66 [19] Damnjanovic V., Savremena primena termografije, VI Memorijalni naučni skup iz zaštite životne sredine „Docent dr Milena Dalmacija, 29-30. mart 2018 ...Stevan Đenadić, Vesna Damnjanović, Predrag Jovančić, Dragan Ignjatović, Dragutin Jovković, Filip Miletić. "Primena termografije u rudarstvu" in IX Međunarodna konferencija UGALJ 2019, Zlatibor, Srbija, 23-26. oktobar 2019., Jugoslovenski komitet za površinsku eksploataciju (2019)
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Composition of organic matter and thermal maturity of Mesozoic and Cenozoic sedimentary rocks in East Herzegovina (External Dinarides, Bosnia and Herzegovina)
This paper presents the first data on the organic matter and thermal maturity of Mesozoic and Cenozoic sedimentary rocks in the East Herzegovina region of the External Dinarides. Representative, organic-rich samples from outcropping sedimentary rocks of different ages in the area (Triassic to Neogene) were selected and analysed. The organic matter was studied by Rock-Eval pyrolysis and under the microscope in reflected non-polarized light and incident blue light. The results obtained show the presence of different types of organic ...... samples analysed suppress the T max values. Key words : Petroleum, Rock-Eval, vitrinite reflectance, maceral, thermal maturity. Manuscript received 19 March 2021, accepted 21 August 2021 INTRODUCTION iD iD iD 2 N. ALEKSIĆ Et Al. 2015; Wirgley et al., 2015). �e main petroleum reservoirs are Triassic ...
... 6.58 0.40 731 424 16 K M. Gruda 0.45 0.33 2.81 0.31 624 423 17 K Bugovina 1.93 0.54 14.68 0.76 761 415 18 K Čepelica 0.93 0.28 5.64 0.33 606 423 19 E Kljen 3.37 0.02 1.26 3.44 37 433 20 M Gacko 51.03 2.41 48.97 34.00 96 411 Table 1 Main output parameters of the Rock-Eval pyrolysis of the samples ...
... 0.17 6.58 0.40 731 424 16 K M. Gruda 0.45 0.33 2.81 0.31 624 423 17 K Bugovina 1.93 0.54 14.68 0.76 761 415 18 K Cepelica 0.93 0.28 5.64 0.33 606 423 19 E K]jen 3.37 0.02 1.26 3.44 37 433 20 M Gacko 51.03 2.41 48.97 34.00 96 411 T — Triassic; J — Jurassic, K — Cretaceous, E — Eocene, M — Miocene; TOC ...Nikoleta Aleksić, Aleksandar Kostić, Miloš Radonjić. "Composition of organic matter and thermal maturity of Mesozoic and Cenozoic sedimentary rocks in East Herzegovina (External Dinarides, Bosnia and Herzegovina)" in Annales Societatis Geologorum Poloniae (2021). https://doi.org/10.14241/asgp.2021.16
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Badenske školjke jugoistočnog oboda Panonskkog basena (Centralni Paratetis)
Gordana M. Jovanović (2014-12-05)Rad obuhvata detaljnu studiju badenskih školjaka koje potiču sa terenajugoistočnog oboda Panonskog basena (Centralni Paratetis). Proučavani su lokaliteti naprostorima Srbije (Fruška gora, Golubac, okolina Beograda, Aranđelovca, Koceljeva,Loznica) i severoistočne Bosne (Ugljevik). Pored taksonomske analize i paleontološkihopisa bivalvija, u radu je dat i spisak revidovanih vrsta koje su do sada pronađene usedimentima badenskog kata istraživanog terena. Do sada je ukupno poznato 41familija, 108 rodova i 174 taksona. Identifikovano je 170 bivalvijskih vrsta, međukojima su neke prvi put konstatovane na ovim ...školjke, baden, Panonski basen (Centralni Paratetis), stratigrafija,paleoekologija, paleogeografija, paleobiogeografija... desnoj pritoci Rasnice, potoku Sumnjivcu (Sumijevcu), (7342 112 4948 601) koji teče kroz Koceljevu , prema Stevanović (1953,1977a), (sl. 19). Sl. 19. Izdanak badenskih peskova u okolini Koceljeve (Sumnjivac). Badenske školjke jugoistočnog oboda Panonskog basena (Centralni Paratetis) Doktorska ...
... je počeo morski razvoj basena (donja Lagenidna zona), (sl. 1). Proučavani tereni se prostiru od 45° 18´ 48´´ na severu, 43° 59´ 00,76´´ na jugu, 19° 02´ 56, 49´´ na zapadu i 22° 02´ 56.49´´ na istoku. Pomenuti lokaliteti pored školjaka sadrže izuzetno bogatu fosilnu faunu foraminifera, anelida ...
... opisivana. Postoje samo spiskovi identifikovanih Badenske školjke jugoistočnog oboda Panonskog basena (Centralni Paratetis) Doktorska disertacija 19 vrsta. Na osnovu svih poznatih podataka izvršena je stratigrafska korelacija proučavanog intervala koji odgovara gornjem delu donjeg badena ( ...Gordana M. Jovanović. "Badenske školjke jugoistočnog oboda Panonskkog basena (Centralni Paratetis)" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2014-12-05)
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Automatic construction of a morphological dictionary of multi-word units
The development of a comprehensive morphological dictionary of multi-word units for Serbian is a very demanding task, due to the complexity of Serbian morphology. Manual production of such a dictionary proved to be extremely time-consuming. In this paper we present a procedure that automatically produces dictionary lemmas for a given list of multi-word units. To accomplish this task the procedure relies on data in e-dictionaries of Serbian simple words, which are already well developed. We also offer an evaluation ...electronic dictionary, Serbian, morphology, inflection, multiwordn units, noun phrases, query expansion... 2571 207 784 206 2. Rules applied 85 19 56 33 3. Rules not applied 201 5 230 253 4. Applications of rules 4083 434 1060 769 5. Most frequently used rule nc axn ac 2x2 nc axn nc axn3 (number of times applied) 1499 108 589 144 6. Absolutely successful rules 26 9 19 1 7. Absolutely unsuccessful rules 9 ...
... 9 1 16 26 8. Rules more unsuccessful than successful 36 6 23 29 9. Solutions/item 1.6 2.1 1.4 3.7 10. Maximum solutions per item 38 6 19 52 11. Success 1st solution 80.64% 54.77% 91.85% 68.43% 12. Success 2nd solution 7.58% 42.21% 4.73% 11.84% 13. Success 3rd solution 3.62% 3.02% 1.44% 0.0% Successful ...Cvetana Krstev, Ranka Stanković, Ivan Obradović, Duško Vitas, Miloš Utvić. "Automatic construction of a morphological dictionary of multi-word units" in Lecture Notes in Computer Science 6233, Advances in Natural Language Processing, Proceedings of the 7thInternational Conference on NLP, IceTAL 2010, Reykjavik, Iceland, August 2010, Springer (2010): 226-237. https://doi.org/10.1007/978-3-642-14770-8_26
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Availability as a dimension of energy security in the Republic of Serbia
Boban Pavlović, Dejan Ivezić (2016)There is a range of modern approaches and models in literature for the evaluation and determination of energy security, which are based on different parameters and indicators. For most of them, a common characteristic is emphasizing the avail ability of energy, as an important dimension for ensuring energy security. In this paper, concise overview of Serbian energy sectors is given and appropriate energy indicators are defined and determined. Selected indicators provide insight into the main components that characterize availability ...... US$ Unit of GDP = = (17) Using same methodology for determination of TM2a, it is formed tab. 4 with values of TM2a for some European countries [11-19]. Table 3. Overall shares of RES in TFC in 2009, 2012, and 2013 2009 2012 2013 Share of RES2 (%) 21.2 % 20.27 % 19.10 % Table 4. Values of TM2a for ...
... column of the initial matrix is divided by the sum of the elements of the same column: norm 1 , , 1, ,ij n ij i a A i j n a = = = ∑ (19) Next step is to determinate the criteria weight vector, wi, which is built by averaging the entries on each row of the normalised pairwise comparison ...
... the Republic of Serbia, http://www.pks.rs/SADRZAJ/Files/Energetika/Naciona- li%20akcioni%20plan%20za%20obnovljive%20izvore%e20energije%20NAPOIE.pdf [19] ***, Energy Balance Sheets 2014 Data, European Union, http://ec.europa.eu/eurostat/documents/ 3217494/7571929/KS-EN-16-001-EN-N.pdf/28165740-1051- ...Boban Pavlović, Dejan Ivezić. "Availability as a dimension of energy security in the Republic of Serbia" in Thermal Science, National Library of Serbia (2016). https://doi.org/10.2298/TSCI160923303P
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Mineralogical study of clays from Dobrodo, Serbia, for use in ceramics
Maja Milošević, Predrag Dabić, Sabina Kovač, Lazar Kaluđerović, Mihovil Logar. "Mineralogical study of clays from Dobrodo, Serbia, for use in ceramics" in Clay Minerals, Mineralogical Society (2019). https://doi.org/10.1180/clm.2019.49
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Classification of mining waste landfills according to legislation in Serbia
... realni primeri udesa na depo- nijama, poput onog koji se dogodio 2015. godine u Brazilu na Fundao deponiji mulja od prerade rude gvo- žđa. Tada je 19 lica izgubilo život, i gotovo svi su bili zaposleni u rudniku [15, 16]. Pitanje je etike i morala da li manji ili veći broj smrtnih slučajeva prestavlja ...
... visina talasa, maksimalni nivo i proticaj, odnosno, sve ono što je potrebno za klasifikaciju deponije na osnovu moguć- nosti gubitka ljudskog života [19, 20]. Prema Uredbi podrazumeva se da su ljudski životi ugroženi ako je visina talasa najmanje 0,7 m, ili kada je brzina talasa preko 0,5 m/s. Opasnost ...
... https://www.kosovoonli-ne.- com/vesti/drustvo/dimkic-izlivanjeizjalovista- kodleposavicanijeprouzrokovaloekoloskukatastrofu [pristupljeno 19.09.2021.] [19] D. Komatina, M. Jovanovic: Experimental Study of Steady and Unsteady Free-Surface Flows with Wa- ter-Clay Mixtures, Journal of Hydraulic Research ...Dragana Nišić, Uroš Pantelić, Nikoleta Aleksić, Neda Nišić. "Classification of mining waste landfills according to legislation in Serbia" in Tehnika, Centre for Evaluation in Education and Science (CEON/CEES) (2021). https://doi.org/10.5937/tehnika2105575N
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Underground loading-haulage equipment selection with application of topsis method with different weighting methods of criteria
The choice of adequate mining machines is one of the most complex problems in the underground exploitation of mineral raw materials. The weight of such a decision is reflected in the high prices of these machines and the occurrence of even greater costs during their use if their choice was wrongly conceived. There are numerous examples from practice in which such decisions were made solely on the basis of comparing the prices of machines, without considering any of the ...utovarno-transportna mehanizacija, izbor, TOPSIS, entropija, standardna devijacija, težina kriterijumaVladimir Krivošić, Luka Crnogorac, Rade Tokalić. "Underground loading-haulage equipment selection with application of topsis method with different weighting methods of criteria" in Underground mining engineering, University of Belgrade - Faculty of Mining and Geology (2024)
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Отварање и припрема лежишта за примену коморно-стубних метода откопавања
Никола Станишић (2024)Циљ мастер рада је да кроз теоријски преглед и практични пример, прикаже процес отварања и припреме лежишта за примену коморно-стубне методе окопавања. Предмет рада је мало лежиште олово-цинкане руде, а од варијација коморно-стубних метода откопавања, изабрана је коморно-стубна метода етажног откопавања са откопавањем одoздо на доле. Рад се бави темама одабира и описа начина отварања и припреме лежишта, методама откопавања, технологијом израде просторија и откопавања лежишта, организацијом рада и проценом трошкова и економичности експлоатације.... 30 7.59 642 638 4 I IHX-2 30 30 7.59 638 634 4 || IHIX-3 24 24 0 630 630 0 I IHX-4 17 17 0 626 626 0 I IIX-5 18 18 0 622 622 0 I IHX-5/1 19 19 0 622 622 0 I IIX-6 11 11 0 618 618 0 || IHX-6/1 9 9 0 618 618 0 I IIX-7 23 23 0 614 614 0 I IIX-8 25 25 9.09 606 610 4 I IIX-9 5 5 0 606 ...
... OTBapahba H HPHIPeMe .........aaaaaaaaaeaoaaaaanne 11 4.2. JJUIMeH3HOHHCaHbC H OOJIHK IIpOcTOpHja OTBapafba H IIpHIpeMe ..............a.a...nn.... 19 4.3. . AHang3a craOHJIHOCTH IIpOcTOpHjJa OTBapahba H IIpHIIpeMe .......a.aaaaaaaanaannnannnnnnn 24 5. M3BOP METOJIE OTKOIIABAĐA...aa a anaaaaaaa ...
... H TpaHcnopTa IIipH OTKOHaBabhby JIc;KHIITa... 114 9.3. · BeHTMJIAIMJAa JaMe......aaaaaaaaaaaaa a aaaaananaanareaeaeeeaeeaaeaeaaaeaaaaNeNataNebaNtta 19 9.4. OpraHmaanuja pajta Ha OTKOIaBaHby JIČKHIHITA al nanaaaanoanoet 20 9.5. JiHHaMHKa pajia Ha OTKOHIABaF y JHCOKHIHTA .. aaeaaaNantne 21 10. ...Никола Станишић . Отварање и припрема лежишта за примену коморно-стубних метода откопавања, 2024
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Parameter determination of soil oscillation law using quotient of the relative growth increments of oscillation velocity and reduced distances at “Nepričava“ open pit mine
... lutovac@rgf.bg.ac.rs; sanjabajic@sezampro.com; radmila.gacina@rgf.rs; marina.ravilic@gmail.com UNDERGROUND MINING ENGINEERING 26 (2015) 9-19 UDK 62 UNIVERSITY OF BELGRADE - FACULTY OF MINING AND GEOLOGY ...
... Parameter determination of soil oscillation law ... 19 REFERENCES 1 IVANOVIĆ, B. (1973) Teorijska statistika. Beograd: Naučna knjiga. 2 LUTOVAC, S. (2010) Model određivanja parametara zakona ...Suzana Lutovac, Sanja Bajić, Marina Ravilić, Radmila Gaćina. "Parameter determination of soil oscillation law using quotient of the relative growth increments of oscillation velocity and reduced distances at “Nepričava“ open pit mine" in Underground Mining Engineering, Belgrade : University of Belgrade, Faculty of Mining and Geology (2015). https://doi.org/10.5937/podrad1526009L
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Geneza i uslovi cirkulacije voda kompleksnih karstnih sistema Kučajsko-Beljaničkog masiva
Ljiljana M. Vasić (2017-07-14)postupaka koji je primenjen u cilju definisanja zona prihranjivanja i veze izmeđupodzemnih i površinskih voda, vremena koje voda provede u podzemlju, pri čemu seformira jedinstven hemijski sastav i temperaturni režim isteklih voda, bili su polaznaosnova za usmerenje na istraživanje karsta i definisanje teme doktorske disertacije.Kučajsko-beljanički masiv se nalazi u istočnoj Srbiji i pripada oblasti Karpatobalkanskogluka i idealan je poligon za istraživanje, obzirom da se u okviru njega nalazejaka karstna vrela i pojave toplih karstnih izvora na relativno malom rastojanju, ...karstni sistemi, geneza podzemnih voda, izotopske metode, starost voda,hidrogeohemijski procesi, dubina cirkulacije podzemnih voda, subtermalne i termalnevode... 7 11.9 14.8 14.9 13.1 2.2 -7.2 3 -2 -11.1 -0.8 6.1 9.6 8.4 15.8 19 15.6 10.1 2.5 -6.1 4 5.1 -8.8 -0.6 4.3 9.2 10.1 12.9 20 14.1 6.7 0.6 -3.7 5 5.2 -9.6 -1.4 11.8 4.7 13.3 14.1 19.4 13.2 6.2 3.9 -3.2 6 3 -9.1 -0.2 6.2 3.3 14.2 16 19 11.7 6.2 7.1 -3.1 7 5.9 -3.1 1.1 0.7 5.9 15.6 18.5 14.9 11.1 5.7 ...
... -2.5 11.3 15.3 20.7 19 23 12 3.4 10.2 4.9 15 7.2 -2.1 -0.6 6.5 15.6 21.5 15.7 22.5 13.9 3.1 7.1 1.3 16 -0.6 -3.3 0.4 8.5 13.1 19.8 18.4 21.9 14.9 5 6.7 -0.4 17 1 -5.8 0.4 14.9 13.7 14.5 21 22.2 15.7 5.5 7.4 -2.1 18 3.7 -10.2 0.4 14 13.4 13.1 23.4 16 19.7 7.6 11.2 -3.2 19 5 -9.1 -0.2 5.4 15.6 ...
... 16.7 16.3 8 8.1 18 6.8 12.7 13.9 6.9 12.8 18.9 20.8 18 16.5 18.2 9.3 8.8 19 9.4 6 10.5 9.9 14 17.6 21.3 17.8 17 14.4 9.7 6.3 20 9.7 13 8.7 11.4 15.9 17.7 22.4 20.6 18.9 12.9 10.2 5.4 21 10.8 10 7.6 13.5 16.8 17.3 23.6 21.8 19 13 8.2 3.4 Ljiljana M. Vasić Doktorska disertacija 27 22 7.6 9 ...Ljiljana M. Vasić. "Geneza i uslovi cirkulacije voda kompleksnih karstnih sistema Kučajsko-Beljaničkog masiva" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2017-07-14)
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Fuzzy Model for Risk Assessment of Machinery Failures
The main goal of this research was the development of an algorithm for the implementation of negative risk parameters in a synthesis model for a risk level assessment for a specific machine used in the mining industry. Fuzzy sets and fuzzy logic theory, in combination with statistical methods, were applied to analyze the time picture state of the observed machine. Fuzzy logic is presented through fuzzy proposition and a fuzzy composition module. Using these tools, the symmetric position of the ...... a good tool in the decision-making process, especially in terms of equipment selection. Risk assessment can be used in terms of project management [19]. Ataei et al. have used fuzzy logic theory and fuzzy rules in the selection of machinery in underground coal mines [20]. Kabir and Papadopoulos [21] ...
... Table 11. The membership function for the time to repair can be written (based on Figure 5) as follows: St = (1, 2, . . . , 16/0, 17/0.05, 18/0.23, 19/0.41, 20/0.6, 21/0.72, 22/0.96, 23/0.83, 24/0.65, 25/0.65, 26/0.54, 27/0.4, 28/0.27, 29/0.13, 30/0). The negative impact of a failure on the environment ...
... form: Sw = (1, . . . , 5/0, 6/0.066, 7/0.132, 8/0.2, 9/0.26, 10/0.332, 11/0.448, 12/0.482, 13/0.509, 14/0.548, 15/0.582, 16/0.612, 17/0.546, 18/0.45, 19/0.348, 20/0.249, 21/0.15, 22/0.048, 23, . . . ,30/0), Se = (1, . . . , 5/0, 6/0.165, 7/0.33, 8/0.5, 9/0.65, 10/0.83, 11/1, 12/0.83, 13/0.65, 14/0.5 ...Dejan V. Petrović, Miloš Tanasijević, Saša Stojadinović, Jelena Ivaz, Pavle Stojković. "Fuzzy Model for Risk Assessment of Machinery Failures" in Symmetry, MDPI AG (2020). https://doi.org/10.3390/sym12040525
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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 ...... IIloroHcka craHuma TpaHcnopTepa ca TpaKOM Cmaka 16. TuroBH OyOmbeBa Craka 17. IIoBparHa craHune Tpakacror rpaHcroprepa Cnuka 18. VroBapHa Kojmna Cmaka 19. IIperoBapHa MecTa Ha TpaKaCTOM TpaHcIIOpTepy Cmaka 20. Mecra uumhema Ha TpaHcropTepy Cmaka 21. OrpeMa 3a KoHTponry pajta Tpakacror TpaHcropTepa ...
... Tpancrnoprepa U-I-1 Ta0ena 17. 30apHu HnBemrraj ıpopauyHa Tpancrtoprepa U-I-2 Ta0ena 18. 30apHu HnBemrraj ıpopauyHa Tpancroprepa U-I-3 . 9 Ta0ena 19. 30apHu HnBemrraj ripopauyHa Tpancirtoprepa U-I-4 Ta6ezna 20. Bepadkatuja npekujHe uBpcrohe 3a eraxxHe TpaHcropTepe Ta6eza 21. Bepad)Bkatija cHare ...
... MarucTpajHHx TpaHcioprepa H rnpejnajy ra oxurarauy, TpaHcHmoprepu Ha OarepMMa, OaHmBareHMMa OJUIMTauUHMa HTJL Tipe/iCTaBJbajy CacTaBHH JIeO MaIIHHc. 19 3.3.1. KoncrpyKuuja rpakacrux rpancnoprepa TpaHcnoprTep ca TpakoM ce cacTojuH O/JL; OecckoHauHe enacTHuHe TpaKe Koja Je aaTerHyTa IIpeko JIBa ...Тамара Андрејевић. Верификација етажних транспортера на угљеном систему – површински коп Дрмно, 2024
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Agates of the Lece Volcanic Complex (Serbia): Mineralogical and Geochemical Characteristics
Agate veins and nodules occur in the Lece Volcanic Complex (Oligocene-Miocene) situated in the south of Serbia and occupying an area of 700 km2. This volcanic complex is composed predominantly of andesites, with sporadic occurrences of andesite-basalts, dacites and latites, and features agate formations that have been very little investigated. This study focuses on five selected agate occurrences within the Lece Volcanic Complex, employing optical microscopy, scanning electron microscopy (SEM), X-ray powder diffraction analysis, inductively coupled plasma mass spectrometry ...Zoran Miladinović, Vladimir Simić, Nenad Nikolić, Nataša Jović Orsini, Milena Rosić. "Agates of the Lece Volcanic Complex (Serbia): Mineralogical and Geochemical Characteristics" in Minerals, MDPI AG (2024). https://doi.org/10.3390/min14050511
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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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Photocatalytic Activity of the V2O5 Catalyst toward Selected Pharmaceuticals and Their Mixture: Influence of the Molecular Structure on the Efficiency of the Process
Sanja J. Armaković, Aleksandra Jovanoski Kostić, Andrijana Bilić, Maria M. Savanović, Nataša Tomić, Aleksandar Kremenović, Maja Šćepanović, Mirjana Grujić-Brojčin, Jovana Ćirković, Stevan Armaković (2023)Due to the inability of conventional wastewater treatment procedures to remove organic pharmaceutical pollutants, active pharmaceutical components remain in wastewater and even reach tap water. In terms of pharmaceutical pollutants, the scientific community focuses on -blockers due to their extensive (over)usage and moderately high solubility. In this study, the photocatalytic activity of V2O5 was investigated through the degradation of nadolol (NAD), pindolol (PIN), metoprolol (MET), and their mixture under ultraviolet (UV) irradiation in water. For the preparation of V2O5, facile ...DFT analysis, metoprolol, nadolol, nanomaterial characterization, photocatalysis, pindolol, β-blocker... materials (AgPMOS) synthesized by reducing the silver moieties on and in the surfaces of porous methacrylic organic silicates [18], V)»Os nanoparticles [19], V)Os nanorods [20], etc. Vanadium oxide is a compound with colossal potential in water treatment because of its capability of light absorption ...
... the ALIE descriptor (the difference is ~4 kcal/mol). On the other side, the PIN has around 14 kcal/mol lower minimal ALIE value than NAD and about 19 kcal/mol lower minimal ALIE value than MET. This significant difference in ALIE indicates that the PIN molecule is much more sensitive to the influence ...
... remove an electron from it. MET and NAD have similar minimal ALIE values, and PIN has around 14 kcal/mol lower minimal ALIE value than NAD and about 19 kcal/mol more down minimal ALIE value than MET. Moreover, the pH value indicated different intermediates of photocatalysis. Namely, following the ...Sanja J. Armaković, Aleksandra Jovanoski Kostić, Andrijana Bilić, Maria M. Savanović, Nataša Tomić, Aleksandar Kremenović, Maja Šćepanović, Mirjana Grujić-Brojčin, Jovana Ćirković, Stevan Armaković. "Photocatalytic Activity of the V2O5 Catalyst toward Selected Pharmaceuticals and Their Mixture: Influence of the Molecular Structure on the Efficiency of the Process" in Molecules, MDPI AG (2023). https://doi.org/10.3390/molecules28020655
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Curcumin nanonization using an alternative small-scale production unit: selection of proper stabilizer applying basic physicochemical consideration and biological activity assessment of nanocrystals
Ines Nikolić, Jelena Antić-Stanković, Dragana Božić, Danijela Ranđelović, Bojan Marković, Dominique Jasmin Lunter, Aleksandar Kremenović, Miroslav Savić, Snežana Savić (2020)As the number of poorly soluble drugs is increasing, nanocrystals have become very interesting due to wide range of application possibilities. Curcumin was used as a model active ingredient in this work. Even though it has many proven positive effects, due to its physicochemical issues, its possibilities have not been fully exploited. The goal of this work was to select optimal conditions for a top-down method for curcumin nanosuspension production, and to perform their comprehensive characterization applying complementary methodologies: ...Ines Nikolić, Jelena Antić-Stanković, Dragana Božić, Danijela Ranđelović, Bojan Marković, Dominique Jasmin Lunter, Aleksandar Kremenović, Miroslav Savić, Snežana Savić. "Curcumin nanonization using an alternative small-scale production unit: selection of proper stabilizer applying basic physicochemical consideration and biological activity assessment of nanocrystals" in Review on advanced materials science, Walter de Gruyter GmbH (2020). https://doi.org/10.1515/rams-2020-0043