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1320 items
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Effects of external noise on threshold-induced correlations in ferromagnetic systems
Dragutin Jovković, Sanja Janićević, Svetislav Mijatović, Lasse Laurson, Đorđe Spasojević. "Effects of external noise on threshold-induced correlations in ferromagnetic systems" in Physical Review E, American Physical Society (APS) (2021). https://doi.org/10.1103/PhysRevE.103.062114
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Izbor rotornih bagera za proces revitalizacije: primer rotornih bagera SRs 1200 u rudarskom basenu Kolubara
Predrag Jovančić, Dragan Ignjatović, Stevan Đenadić, Filip Miletić, Goran Todorović, Dragan Novaković (2020)Revitalizacija je proces ili skup tehničkih zahvata na mašini kojim se vrši zamena svih dotrajalih ili oštećenih delova metalne konstrukcije. Sastavni deo procesa revitalizacije je i modernizacija zastarele elektro-mašinske opreme. Principi revitalizacije sasvim sigurno nisu sadržani u okviru redovnog godišnjeg ili dnevnog održavanja. Oni predstavljaju održavanje onih veličina koje su značajne za mašinu kao celinu (u ovom slučaju rotorni bager). U ovom radu su analizirani rotorni bageri oznake SRs 1200. Na površinskim kopovima rudarskog basena Kolubara takvih bagera ima ...Predrag Jovančić, Dragan Ignjatović, Stevan Đenadić, Filip Miletić, Goran Todorović, Dragan Novaković. "Izbor rotornih bagera za proces revitalizacije: primer rotornih bagera SRs 1200 u rudarskom basenu Kolubara" in XIV Međunarodna konferencija OMC 2020, Zlatibor, Srbija, 14-17. oktobar 2020., Jugoslovenski komitet za površinsku eksploataciju (2020)
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Classification of Terms on a Positive-Negative Feelings Polarity Scale Based on Emoticons
Mihailo Škorić (2017)The goal of this paper is to draw attention to the possibility of using emoticon-riddled text on the web in language-neutral sentiment analysis. It introduces several innovations in the existing framework of research and tests their effectiveness. It also presents a software tool especially made for that purpose, explains how it builds a database with sentimental value of terms and offers the user manual. Finally, it presents a software tool that tests the new database and gives some examples ...... Hyperlink beginnings http:// and https:// are replaced with a neu- tral character string yy, so that they wiil not be mistaken for :/ emoticon. Finally, regular expressions [a|h|A|H][a|h|A|H][h|H][a|A][h|H][a|h|A|H] and [h|H][a|A][h|H][a|A] are used to find as many different examples of expres- sion ...
... Serbian can use it independently, create a new database or use it for a new research. 3 A total of 143 users actually suggested a determiner, and the necessary number of proposers of a new determiner was 48, or more than one-third. If enough users suggested a determiner its value was calculated as the ...
... and that the machine can decide between multiple choices using a single parameter, task is reduced to deter- mination of what is positive and what is negative. With a goal of making a more cost-effective intelligent system, it would not be a good idea to ignore any available resources and that could po- ...Mihailo Škorić. "Classification of Terms on a Positive-Negative Feelings Polarity Scale Based on Emoticons" in Infotheca, Faculty of Philology, University of Belgrade (2017). https://doi.org/10.18485/infotheca.2017.17.1.4
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Mogućnost korišćenјa toplotnih pumpi sa otpadnom toplotom iz postrojenјa za prečišćavanјe otpadnih voda kao toplotnim izvorom
U narednom periodu se planira izgradnja nekoliko desetina sistema za prečišćavanje otpadnih voda u većim gradovima u Srbiji. Iskustva iz postrojenja koja su trenutno u radu, pokazuju da bi prečišćena otpadna voda, s obzirom na protok i temperaturu, mogla da predstavlja značajan izvor obnovljive energije. U radu su prikazani primeri dobre prakse korišćenja ove energije u sistemima daljinskog grejanja u zemljama Evropske unije. Analiziran je rad postrojenja za prečišćavanje otpadnih voda u Šapcu i razmotrena je mogućnost njegovog korišćenja ...... veći od 5, a u ekstremnim slučajevima i veći od 10. Slika 5. Protok vode na izlazu iz PPOV Šabac (m3/h) Srednja vrednost protoka u periodu od početka rada postrojenja iznosi 606,2 m3/h, sa prosečno najvećim protokom tokom marta (695 m3/h), a najnižim tokom januara (488 m3/h). Tokom meseci ...
... niti centralni sistemi za hlađenje prostora u postojećim zgradama. 0 10 20 30 40 50 60 0 500 1000 1500 2000 2500 3000 3500 h e a t lo a d f o r D H g ri d i n M W hours per year Slika 3. Kriva godišnjeg opterećenja SDG u Šapcu [11] Kriva opterećenja u sistemu daljinskog ...
... 2021] [4] David, A., Mathiesen, B.V., Averfalk, H., Werner, S., Lund, H. Heat roadmap Europe: large-scale electric heat pumps in district heating systems, Energies, Vol 10, Issue. 4, pp 578, 2017. https://doi.org/10.3390/en10040578 [5] Ivezić, D., Živković, M., Madžarević, A. Efekti potencijalnog ...Dejan Ivezić, Marija Živković, Aleksandar Madžarević, Boban Pavlović. "Mogućnost korišćenјa toplotnih pumpi sa otpadnom toplotom iz postrojenјa za prečišćavanјe otpadnih voda kao toplotnim izvorom" in Energija, Ekonomija, Ekologija, University Library in Kragujevac (2021). https://doi.org/10.46793/EEE21-1.11I
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Mineragenija i potencijalnost karbonatnih sirovina rudnog reona Bjelopavlića (Crna Gora)
Darko M. Božović (2016-09-28)Karbonatne sirovine, obzirom na geološku građu Crne Gore predstavljaju jednu od najznačajnijih nemetaličnih mineralnih sirovina. U Crnoj Gori postoje brojna leţišta karbonatnih sirovina (arhitektonsko - građevinskog i tehničko - građevinskog kamena) koja su istraţena ili su u eksploataciji, među kojima rudni reon Bjelopavlića zauzima najznačajnije mjesto.Dosadašnja istraţivanja karbonatnih sirovina na ovom području imala su, međutim, prevashodno uzak istraţivački cilj, utvrđivanje rezervi arhitektonsko - građevinskog i tehničko - građevinskog kamena određenog leţišta, ili preliminarna ispitivanja kvaliteta krečnjaka u njima, sa ...karbonatne mineralne sirovine, arhitektonsko - građevinski kamen, tehničko - građevinski kamen, karbonatna punila, rudni reon Bjelopavlića, potencijalnost.... J S K A G R A N A B o je i l ak o v i P ap ir G u m a i P V C S ta k lo M et a lu rg ij a L iv ar st v o F ar m ac ij a i k o z m et ik a In d us tr ija š eć er a St oč na h ra na M in er al na đ ub ri va * N eu tr a li z ...
... 158 T a b ela 6/4: Srednje vrijednosti fizičko - m ehaničkih karakteristika ležišta i pojava А G К i ТG К na području rudnog reona Bjelopavlića LEŢIŠTE/POJAVA V R S T A I S P I T I V A N J A F I ZIĈ K O - M E H A N I Ĉ K I H K A R A K T E R I S ...
... 4 0 ,2 7 F -a p a tit L -4 / 5 2 ,2 4 0 ,3 5 5 0 ,2 1 2 ,0 7 4 5 ,1 3 F e O / H L -4 / 6 2 6 ,5 3 0 ,5 8 0 ,4 7 1 3 ,8 0 1 0 ,6 2 4 8 ,0 0 F -a p a tit P D -1 / 1 ...Darko M. Božović. "Mineragenija i potencijalnost karbonatnih sirovina rudnog reona Bjelopavlića (Crna Gora)" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-09-28)
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Introduction to special section: Characterization of hydrocarbon and geothermal resource potential and carbon sequestration opportunities of the Pannonian Basin
Balázs Németh, Gábor Tari, Gábor Bada, Dejan Radivojević, Bruno Tomljenovic, Csaba Krézsek. "Introduction to special section: Characterization of hydrocarbon and geothermal resource potential and carbon sequestration opportunities of the Pannonian Basin" in Interpretation, AAPG SEG (2018). https://doi.org/10.1190/INT-2017-1207-SPSEINTRO.1
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Frequency and Length of Syllables in Serbian
Marija Radojičić, Biljana Lazić, Sebastijan Kaplar, Ranka Stanković, Ivan Obradović, Ján Mačutek, Lívia Leššová (2019)Basic analyses of several properties of syllables (the rank-frequency distribution, the distribution of length, and the relation between length and frequency) in Serbian is presented. The syllabification algorithm used combines the maximum onset principle and the sonority hierarchy. Results indicate that syllables behave similarly to words as far as mathematical models are concerned, but values of parameters in models for syllables are quite different from those for words.... Graphemic representation of phonemes in Serbian language vowels a(а), e(е), i(и), o(о), u(у) consonants sonorants j(ј), l(л), lj(љ), m(м), n(н), nj(њ), r(р), v(в) obstruents b(б), c(ц), č(ч), ć(ћ), d(д), dž(џ), đ(ђ), f(ф), g(г), h(х), k(к), p(п), s(с), š(ш), t(т), z(з), ž(ж) Two further aspects ...
... (2009). Word Frequency Studies. Berlin, New York: de Gruyter. Popescu, I.-I., Naumann, S., Kelih, E., Rovenchak, A., Sanada, H., Overbeck, A., Smith, R., Čech, R., Mohanty, P., Wilson, A., Altmann, G. (2013). Word length: aspects and languages. In: Köhler, R., Altmann, G. (eds.), Issues in Quantitative ...
... classified as plosives (their graphemic representations are b, p, d, t, g, k), affricates (c, č, ć, dž, đ), fricatives (f, z, s, ž, š, h), nasals (m, n, nj), laterals (l, lj), a vibrant (r) and semivowels (v, j). The Serbian language uses two alphabets: Latin and Cyrillic. Serbian graphemes are presented ...Marija Radojičić, Biljana Lazić, Sebastijan Kaplar, Ranka Stanković, Ivan Obradović, Ján Mačutek, Lívia Leššová. "Frequency and Length of Syllables in Serbian" in Glottometrics (2019)
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A Knowledge-Based Approach to Mine Ventilation Planning in Yugoslav Mining Practice
Ventilation system analysis is a complex process based on the calculation and analysis of numerous parameters. These problems can be successfully solved by the SimVent numerical package, but a full understanding and use of the obtained results require the involvement of an experienced specialist in the ventilation field. The solution was found in the creation of a hybrid system INVENTS, whose knowledge base represents a formalization of the expert knowledge in the mine ventilation field. In this paper, we ...... 3 - ex p lo it at io n w o rk p la ce - in ta ke a ir - re tu rn a ir - st o p p in g w it h d o o r - m ai n f an F ig . 1 4 . T h e a ir d is tr ib u ti o n o b ta in ed b y st a n d a rd m et h o d . M in . R es . E n g . 2 0 0 2 .1 1 :3 6 1 -3 8 2 ...
... - ex p lo it at io n w o rk p la ce - in ta ke a ir - re tu rn a ir - st o p p in g w it h d o o r - m ai n f an F ig . 1 1 . T h e ca n o n ic a l v en ti la ti o n sc h em e o f th e “ S o k o ” co a l m in e. M in . R es . E n g . 2 0 0 2 .1 1 :3 6 1 -3 ...
... n w o rk p la ce - in ta ke a ir - re tu rn a ir - st o p p in g w it h d o o r - m ai n f an - bo os te r fa n 5 .1 5 m / s 3 F ig . 1 5 . T h e a ir d is tr ib u ti o n o b ta in ed b y G A w it h b o o st er fa n lo ca ti o n . M in . ...Nikola Lilić, Ivan Obradović, Ranka Stanković. "A Knowledge-Based Approach to Mine Ventilation Planning in Yugoslav Mining Practice" in Mineral Resources Engineering 11 no. 4, Imperial College Press (2002): 361-382. https://doi.org/10.1142/S0950609802001014
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Clockwise vertical-axis rotation in the West Vardar zone of Serbia: Tectonic implications
The Vardar-Tethyan mega-suture between the Eurasian and Adria (Gondwana) margins comprises remnants of oceanic lithosphere of Neotethys and distal parts of the adjacent continental margins including unconformable Late Cretaceous sedimentary cover and Cenozoic igneous rocks of post-obduction age. This study provides kinematic constraints for displacements and rotations affecting the Serbian part of the West Vardar and Jadar-Kopaonik units after the closure of the Neotethyan (= Sava) Ocean. The targets of the paleomagnetic research were Late Cretaceous sediments representing an ...... 4 � 1 1 0 1 3 00 2 0 � 0 6 0 5 3 00 L im es to n es w h it e, g re y is h w h it e an d re d 9 /2 2 2 1 1 .8 2 4 9 .1 1 5 6 4 .1 2 1 2 .3 2 4 5 .2 1 5 6 4 .1 3 9 /4 U p p e r C a m p a n ia n -L o w e r M a a st ri c h ti a n 2 S tr u g an ik lo w er q u ar ry 4 2 6 3 – 2 7 2 4 ...
... to n es g re y is h 1 0 /1 0 2 2 2 .2 2 4 9 .7 6 0 6 .3 2 0 9 .3 2 4 9 .1 6 0 6 .3 3 0 9 /1 1 U p p e r C a m p a n ia n -L o w e r M a a st ri c h ti a n 3 B re žd je 4 2 9 9 – 3 1 3 4 4 � 1 0 0 5 7 00 2 0 � 0 4 0 1 4 00 M ar ly li m es to n es g re y is h -w h it e 1 4 /1 5 2 ...
... Vardar zone of Serbia: tectonic implications 201 T a b le 1 W id er R u d n ik M ts . ar ea , C re ta ce o u s se d im en ts L o ca li ty L at . N L o n . E L it h o lo g y n /n o D � I� k a 9 5 � D c � I c � k a 9 5 � d ip A g e 1 S tr u g an ik u p p er q u ar ry 4 2 4 1 – 2 ...Vesna Lesić, Emo Márton, Violeta Gajić, Dragana Jovanović, Vesna Cvetkov. "Clockwise vertical-axis rotation in the West Vardar zone of Serbia: Tectonic implications" in Swiss Journal of Geosciences, Basel : Springer International Publishing (2018). https://doi.org/10.1007/s00015-018-0321-8
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P-T analiza uglja RB Kolubara
Rada Vitomir (2024)Rudarski basen Kolubara predstavlja jedno od najvažnijih ležišta lignita u Republici Srbiji i ključni je faktor u snabdevanju zemlje energijom. Kvalitet uglja iz ovog basena direktno utiče na efikasnost termoelektrana i zadovoljenje energetskih potreba. U ovom radu, opisan je značaj tehničke i elementarne analiza uglja kako bi se utvrdili fizičko-hemijski parametri uglja iz Rudarskog basena Kolubara. U drugom delu rada dat je opis P-T analize uglja i njen značaj za ocenu mogućnosti čišćenja uglja. Takođe, dati su i rezultati ...... KODpČKTHO HaBC/ICHH H • a HHCaM KpinHo/na ayTopcKa rpaBa H KOpHCTHO/Hđa HHTCJIČKTyaJIHy CBOJHHy JIpyrHx nuna. y Beorpany, _1(). 0M lOQH Ilornnc crynenrTa O6pasau 2 H3JABA O HCTOBETHOCTH IIITAMIIAHE H EJIEKTPOHCKE BEP3HJE 3ABPIIIHOT PAJIA Hwe (HMe pojiHTeJba) H npe3HMe cTyJleHTa P/C(dq ...
... Py;apcko-reooOmkor (akynrera. /7lo3BoJbaBaM a ce oOjaBe MojH nHuHH mojlanH Be3aHH 3a JIOOHjaMbe akajIĆMCKOT 3BaHba, KaO HITO Cy HMC H TIpe3HMC, roJUHHa H MecTO pobctba H JlaTyM O/1OpaHc pajta. OBH JHuHH OJAl MOTy CC OOjaBHTH y CCKTpOHCKOM KarTaory H y nyOmMkauMjaMa Pynapcko-reojmonikor (bakyarera ...
... 66(3). 71 O6pasay 1 H3JABA O AYTOPCTBY 3ABPIIIHOT PAJIA MHwe H npeaHMe cTyJeHTa rR–O\d [0 \I \tom\r Bpoj HHJeKca !Ž·P\.r:{/ } u MHMyjaBmbyjeM a je 3aBpnuiHH paji 0J1 HaCJIOBOM P-L ancaVWWo U%\I_\AQ 005 _ Mo\ubar(a • pesyjTaT COIHICTBeHOTr HcTpa;KHBaukor pajna, • JlA 3aBpHIHH paji ...Rada Vitomir. P-T analiza uglja RB Kolubara, 2024
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Insights into dike nucleation and eruption dynamics from high-resolution seismic imaging of magmatic system at the East Pacific Rise
Milena Marjanović, Suzanne M. Carbotte, Alexandre Stopin, Satish C. Singh, René-Édouard Plessix, Miloš Marjanović, Mladen R. Nedimović, Juan Pablo Canales, Hélène D. Carton, John C. Mutter, Javier Escartín (2023)Milena Marjanović, Suzanne M. Carbotte, Alexandre Stopin, Satish C. Singh, René-Édouard Plessix, Miloš Marjanović, Mladen R. Nedimović, Juan Pablo Canales, Hélène D. Carton, John C. Mutter, Javier Escartín. "Insights into dike nucleation and eruption dynamics from high-resolution seismic imaging of magmatic system at the East Pacific Rise" in Science Advances, American Association for the Advancement of Science (AAAS) (2023). https://doi.org/10.1126/sciadv.adi2698
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Comprehensive Profiling of Microbiologically Induced CaCO3 Precipitation by Ureolytic Bacillus Isolates from Alkaline Soils
Olja Šovljanski, Lato Pezo, Jovana Stanojev, Branimir Bajac, Sabina Kovač, Elvira Tóth, Ivan Ristić, Ana Tomić, Aleksandra Ranitović, Dragoljub Cvetković, Siniša Markov (2021)MICP process, kinetic study, calcite, vaterite, MALDI-TOF identification, Bacillus licheniformis, Sporosarcina pasteurii... value increased gradually with time and reached a constant value within 36 h for all strains. As stated previously, B. pseudofirmus DSM 8715 is a non-ureolytic bacterium but has biomineralization capacity [30]. Therefore, this bacterium did not have a response in Urea reduction and pH change, but bacterial ...
... Shortly after inoculation, within the first 6 h, the occurrence of deposits was noticed for altogether experiments except in the case of B. muralis, where the precipitate was observed within the first 24 h. Except for B. lentus, all other bacterial isolates produced a higher amount of precipitate than reference ...
... bacteria, calcium concentration decreased close to zero after approximately 5 h (Figure 5c). B. licheniformis completely accumulated free calcium from a liquid medium, decreasing the ion concentration by 99% in the first 24 h. On the other hand, calcium mineralization by S. pasteurii DSM 33 and B. simplex ...Olja Šovljanski, Lato Pezo, Jovana Stanojev, Branimir Bajac, Sabina Kovač, Elvira Tóth, Ivan Ristić, Ana Tomić, Aleksandra Ranitović, Dragoljub Cvetković, Siniša Markov. "Comprehensive Profiling of Microbiologically Induced CaCO3 Precipitation by Ureolytic Bacillus Isolates from Alkaline Soils" in Microorganisms, MDPI AG (2021). https://doi.org/10.3390/microorganisms9081691
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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... American Mineralogist, 48: 897–910. Bujdak J., Slosiarikova H., Novákova L., Čičel B. 1991. Fixation of lithium cations in montmorillonite. Chemical Papers, 45(4): 499–507. Canero A., Cox L., Cabrera A., Cornejo J. 2015. Different effects of a by-product from olive oil extraction on S-metolachlor and ...
... exchange in the montmorillonite– beidellite–nontronite type of clay minerals. Soil Science, 47: 1–14. Giles C. H., MacEwan T. H., Nakhwa S. N., Smith D. 1960. Studies in adsorption: Part XI. A system of classification of solution adsorption isotherms, and its use in 139 diagnosis of adsorption ...
... Gunasekara A. S, de la Cruz I. D. P., Curtis M. J., Claassen V. P., Tjeerdema R. S. 2009.The behavior of clomazone in the soil environment. Pest Management Science, 65: 711–716. He H. P., Ray F. L., Zhu J. X., 2004. Infrared study of HDTMA+ intercalated montmorillonite. Spectrochimica Acta Part A- Molecular ...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)
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Prognoza operativne efikasnosti aktivnog podzemnog rudnika zasnovana na teoriji sivih sistema
Svetlana M. Štrbac-Savić (2016-06-10)Efikasnost predstavlja preduslov za opstanak svake rudarske kompanije, posebno u uslovima izuzetno konkurentnog trţišnog okruţenja kao što je to rudarska industrija. Efikasnost oznaĉava sposobnost kompanije da ispuni svoje kratkoroĉne ili dugoroĉne ciljeve. Operativna efikasnost se definiše kao odnos izmeĊu ulaznih parametara potrebnih za odvijanje proizvodnje i pokazatelja dobijenih proizvodnjom. U kontekstu rudarskog poslovanja, operativna efikasnost se odnosi na vreme potrebno da se mineralno dobro transformiše u novĉana sredstva. Visoka operativna efikasnost se postiţe kada se ostvari prava kombinacija karakteristika ...podzemni rudnik, operativna efikasnost, prognoza, teorija sivih sistema, stohastiĉke diferencijalne jednaĉine, simulacija... 6 6 1 0 1 1 1 1 0 1 1 1 1 1 1 0,1, 2, , 1 1 , ˆ ˆ ˆ ˆ 1, 2, , j ja n h j j j j b b y n h y x n h e x n h a a h T y n h y n h y n h h T (4.7) Gde je T buduće ...
... ˆ1 1 1 1 , k=1,..ˆ .1 na ak x x x b x e x e k k k k a (3.15) dok je odgovarajuća prognozirana vrednost za k+h [KAYACAN10] 0 10 1 1ˆ a k h ka b x e x e a k h (3.16) Jednaĉina (3.12), kao i funkcija ...
... oĉekivana vrednost DOL-a u budućnosti je definisana kao: 0 1 2 3 4 5 6, , , , , ,ˆE y x x x x x x n h (4.8) 4.1.2 Definisanje ulaznog vektora Skup ulaznih promenljivih se moţe podeliti na dva podskupa; X n h EXP n h SIM n h , gde EXP n h oznaĉava skup koji ...Svetlana M. Štrbac-Savić. "Prognoza operativne efikasnosti aktivnog podzemnog rudnika zasnovana na teoriji sivih sistema" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-06-10)
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Mitigating hydrate formation in onshore gas wells: A case study on optimization techniques and prevention
Gas wells, particularly those situated onshore, play a vital role in the global energy sector by supplying a significant portion of natural gas. However, operational challenges, notably gas hydrate formation, pose substantial issues, leading to complications such as flowline blockages and unexpected well shutdowns. Gas hydrates, crystalline structures resembling ice, ...Gas Well, Gas Hydrate Formation, Well Modeling, Well Performance Optimization, Choke Position Adjustments, Methanol InjectionMilica Ješić, Bojan Martinović, Stefan Stančić, Miroslav Crnogorac, Dušan Danilović. "Mitigating hydrate formation in onshore gas wells: A case study on optimization techniques and prevention" in Underground Mining Engineering, Beograd : Rudarsko-geološki fakultet (2023)
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Contribution to the geotechnical classification of municipal waste landfills in Serbia
Management, Monitoring, Policy and Law, Nature and Landscape Conservation, Geochemistry and Petrology, Waste Management and Disposal,Geotechnical Engineering and Engineering Geology,Water Science and Technology,Environmental Chemistry,Environmental EngineeringDragoslav Rakić, Irena Basarić, Laslo Čaki, Slobodan Ćorić. "Contribution to the geotechnical classification of municipal waste landfills in Serbia" in Environmental Geotechnics, Thomas Telford Ltd. (2018). https://doi.org/10.1680/jenge.18.00028
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An oilfield in Libya: A new model to enhance waste water disposal
Dušan Danilović, Vesna Karović Maričić, Nori Elhaddad, Branko Leković. "An oilfield in Libya: A new model to enhance waste water disposal" in Energy & Environment (2016)
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Optimizacija dužine strele rotornih bagera u funkciji stabilnosti kosina i efektivnosti rada na površinskim kopovima lignita Srbije
Branko M. Petrović (2016-07-12)Rotorni bageri su mašine koje se u današnje vreme najviše primenjuju uprocesu masovne eksploatacije uglja zahvaljujući, pre svega, nizu tehničkoeksploatacionihprednosti u odnosu na druge vrste bagera. Raznovrsnirudarsko-tehnički zahtevi otkopavanja doprineli su razvoju nekoliko tipova ovihmašina, tako da svaki od njih ima svoje prednosti i nedostatke u odnosu nadrugi tip.Predmet istraživanja u disertaciji odnosi se na izbor optimalnekonstrukcije strele bagera i njene usaglašenosti sa uslovima radne sredine kojiće vladati na površinskim kopovima lignita Srbije, imajući u vidu složene usloveeksploatacije (velika ...površinski kop, parametri bloka, kapacitet, rotorni bager, strelabagera, geomehanika, stabilnost kosina, ekonomija... Tabela 8.1 - Karakteristike bagera karakteristike T I P O V I B A G E R A jedinica mere C-700 (tip A) SchRs-630x25/6 (tip B) SRs-2000x32/5 (tip C) teoretski kapacitet 3024 4100 6600 (m3/h) visina kopanja 16 25 32 (m) dubina kopanja 1.2 6 5 (m) prečnik rotora 7.7 10 ...
... - Dosadašnji rad bagera C-700 (P.K. POLJE B) Godin a Ostvarena proizvodnja Efektivno vreme rada, h Ostvareni kapacitet Vrem. iskorišć. ηT Kapac.is korišć ηQ ηTη Q Ugalj, t Otkriv.,m3 Ugalj Otkr. Ugalj t/h Otkrivka, m3/h 1987 / 2404000 / 2352 / 1080 0.27 0.44 0.12 1988 / 3598002 ...
... bageri dele se na takozvane kompaktne bagere klase A, koji se odlikuju kratkom strelom i konstrukcijom strele od punih zidova, klase B sa rešetkastom strelom i kapacitetom do 6.000 m3/h i klase C sa rešetkastom strelom kapacitetom preko 6.000 m3/h i pretovarnim mostom. Svaki od ovih tipova bagera ...Branko M. Petrović. "Optimizacija dužine strele rotornih bagera u funkciji stabilnosti kosina i efektivnosti rada na površinskim kopovima lignita Srbije" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-07-12)
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Geochemical characterization of sediments from the archaeological site Vinča – Belo Brdo, Serbia
Gorica Veselinović, Dragana Životić, Kristina Penezić, Milica Kašanin-Grubin, Nevenka Mijatović, Jovana Malbašić, Aleksandra Šajnović (2020)Gorica Veselinović, Dragana Životić, Kristina Penezić, Milica Kašanin-Grubin, Nevenka Mijatović, Jovana Malbašić, Aleksandra Šajnović. "Geochemical characterization of sediments from the archaeological site Vinča – Belo Brdo, Serbia" in CATENA, Elsevier BV (2020). https://doi.org/10.1016/j.catena.2020.104914
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Synthesis and characterization of high-pressure and high-temperature sphene (CaTiSiO5)
Jelena Pantić, Vladimir Urbanovich, Vesna Poharc-Logar, Bojan Jokić, Marija Stojmenović, Aleksandar Kremenović, Branko Matović (2014)Sphene (CaTiSiO5), a calcium titanosilicate ceramic has been prepared from a powder mixture of CaCO3, TiO2 and SiO2 using vibro-milling for homogenization and activation of precursors. During the highpressure and high-temperature synthesis (HPS) process at 4 GPa and 1,200 °C, sphene undergoes into phase transition, from room-temperature phase P21/a to high-temperature phase A2/a. Evidence of that structural phase transition is given in this paper using infrared, Raman spectroscopy and X-ray powder diffraction. Rietveld refinement was employed to get the ...Jelena Pantić, Vladimir Urbanovich, Vesna Poharc-Logar, Bojan Jokić, Marija Stojmenović, Aleksandar Kremenović, Branko Matović. "Synthesis and characterization of high-pressure and high-temperature sphene (CaTiSiO5)" in Physics and Chemistry of Minerals, Springer Science and Business Media LLC (2014). https://doi.org/10.1007/s00269-014-0693-x