Претрага
926 items
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Bilingual lexical extraction based on word alignment for improving corpus search
Jelena Andonovski, Branislava Šandrih, Olivera Kitanović. "Bilingual lexical extraction based on word alignment for improving corpus search" in The Electronic Library, Emerald (2019). https://doi.org/10.1108/EL-03-2019-0056
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On the distribution modulo 1 of the sum of powers of a Salem number
Dragan Stankov (2016)It is well known that the sequence of powers of a Salem number θ, modulo 1, is dense in the unit interval, but is not uniformly distributed. Generalizing a result of Dupain, we determine, explicitly, the repartition function of the sequence , where P is a polynomial with integer coefficients and θ is quartic. Also, we consider some examples to illustrate the method of determination.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. "On the distribution modulo 1 of the sum of powers of a Salem number" in Comptes rendus Mathematique (2016). https://doi.org/10.1016/j.crma.2016.03.012
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Towards Better Valorisation of Industrial Minerals andRocks in Serbia—Case Study of Industrial Clays
... mitting regimes [5]. Mineral ownership is an important aspect for permitting because per- mitting procedures are usually different for state-owned/state-controlled minerals and for land owned. Likewise, the mineral resource permitting regimes may be centralized, de- centralized or mixed [5]. All mineral ...
... are quite different. 3. For refractory and ceramic clays (Table 5) the given distances are in accordance with the Soviet source and can be recommended as optimal for our conditions. 4. In the case of common clay deposits (Table 5), the given distances are identical to those prescribed for refractory ...
... resources is for tests on individual samples of brick clays, when it occurs that 80% of the results are marked “the same”. 5. In the case of bentonite clay deposits (Table 5), there is a very interesting situation in that someone who plans to explore bentonite deposits in sedimentary basins, where ...Vladimir Simić, Dragana Životić, Zoran Miladinović. "Towards Better Valorisation of Industrial Minerals andRocks in Serbia—Case Study of Industrial Clays" in Resources, MDPI AG (2021). https://doi.org/10.3390/resources10060063
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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
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Utilizing sewage wastewater heat in district heating systems in Serbia: effects on sustainability
Marija Živković, Dejan Ivezić (2021)Transformation of the heating sector is recognized as being essential for ensuring reliable and afordable energy services provided with reduced consumption of energy sources and diminished impact on the environment and less import dependency. The possibility of utilizing energy sources that otherwise would be wasted needs to be considered and treated as a big advantage of district heating systems. Despite many advantages, sewage wastewater heat is still a mostly unused resource at the global level and a totally unused ...рекуперација топлоте из отпадних вода, систем даљинског грејања, топлотне пумпе, енергетске уштеде, емисија угљендиоксида, енергетска безбедност, Србија... given in the European Standard EN 15316- 4-5 (Standard EN 15316-4-5 2017). System boundaries for determining the primary energy factor are presented in Fig. 2. Evaluation of the primary energy includes the complete supply chain of the fuel (Standard EN 15316-4-5 2017). Thus, the primary energy factor ...
... Fig. 5 The heat load duration curve of DH system in Šabac and share of energy sources in future system M. Živković, D. Ivezić 1 3 the Republic of Serbia 2017). Total energy savings includ- ing production, transport, and conversion are determined to 1229.8 TJ, which is approximately 5% of the ...
... systems, expected values of key performance indicators for the biggest DH systems in Serbia are presented in Table 5. Comparison values of key performance indicators in Table 5 with the current values (Table 2) indicate that the utilization of wastewater heat in district heating systems will induce ...Marija Živković, Dejan Ivezić. "Utilizing sewage wastewater heat in district heating systems in Serbia: effects on sustainability" in Clean Technologies and Environmental Policy, Springer Science and Business Media LLC (2021). https://doi.org/10.1007/s10098-021-02063-6
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Flood protection and water utilization of karst poljes: example of Gatačko Polje, Eastern Herzegovina
Tina Dašić, Ljiljana Vasić (2020)Earth-Surface Processes,Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry,Global and Planetary ChangeTina Dašić, Ljiljana Vasić. "Flood protection and water utilization of karst poljes: example of Gatačko Polje, Eastern Herzegovina" in Environmental Earth Sciences, Springer Science and Business Media LLC (2020). https://doi.org/10.1007/s12665-020-08987-4
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Optimizacija parametara reza rotornog bagera pri otkopavanju materijala sa povećanom čvrstoćom
Saša D. Bošković (2016-09-09)Otkopavanje materijala rotornim bagerom je veoma sloţen fiziĉko-mehaniĉki proces. Pokazatelji efektivnosti tog procesa zavise od velikog broja raznovrsnih ĉinilaca od kojih se posebno mogu istaći: fiziĉko-mehaniĉke karakteristike materijala koji se otkopava, reţim rada bagera i izbor tehnoloških parametara bloka, odreska i reza, geometrije vedrica i zuba itd. Poseban problem se javlja kod otkopavanja materijala povećane ĉvrstoće, što je ĉest sluĉaj na našim površinskim kopovima. Dimenzionisanje specifiĉne sile kopanja bagera prema manjim masama izuzetno ĉvrstog materijala je neracionalno i rešenje ...rotorni bager, parametri reza, otpor na kopanje, dinamika bagera, kapacitet, optimizacija, specifična potrošnja energije... potrošnja energije 2 3 5 4 5 8 5 8 9 Otpor materijala na kopanje 4 5 6 5 5 4 4 5 5 Dinamiĉko ponašanje bagera 8 3 4 7 7 6 7 8 8 Tehniĉki kapacitet bagera 3 4 6 4 7 8 6 8 9 Vrednosti svake alternative dobijaju se tako što se teţina dodeljena kriterijumu pomnoţi sa merom alternativne ...
... alternativa za odluĉivanje (5·9 = 45), dobija se 45 mera za alternativne odluke koje su date u Tabeli 9.3. 160 Tabela 9.3. Mere za donošenje alternativnih odluka Kriterijum V1 V2 V3 V4 V5 V6 V7 V8 V9 Angaţovana elektriĉna energija za pogon rotora 5 5 5 6 6 5 5 5 4 Specifiĉna potrošnja ...
... domenu za horizontalni rez (a) i vertikalni rez (b) 0 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 U b rz a n je , m /s 2 Broj merenja Vertikalni pravac Bočni pravac Uzdužni pravac 0 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 U b rz a n je , m /s 2 Broj merenja Vertikalni pravac ...Saša D. Bošković. "Optimizacija parametara reza rotornog bagera pri otkopavanju materijala sa povećanom čvrstoćom" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-09-09)
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Transboundary groundwater resources of Serbia - present status and future needs for sustainable management
Republic of Serbia is located at the crossroads of Southeast and Central Europe and belongs to the Central Balkans. With its 88,360 km2, Serbia is one of the larger countries of the Balkan Peninsula. It borders 8 countries and has at least one transboundary aquifer (TBA) with each of them. According to evaluation conducted for UNECE in 2008, Serbia has a total of 17 TBAs, out of which 15 are shared with one neighboring country, while two aquifers are shared with two or three ...Veljko Marinović, Branislav Petrović, Zoran Stevanović. "Transboundary groundwater resources of Serbia - present status and future needs for sustainable management" in Second International UNESCO Conference on Transboundary Aquifers, “ISARM2021: Challenges and the way forward”, Paris 2021, United Nations Educational, Scientific and Cultural Organization, 7, place de Fontenoy, 75352 Paris 07 SP, France (2021)
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Self-Engineering: Possibilities for Maintenance Operations in the Mining Machines Industry
Self-engineering is a relatively new branch of knowledge that aims to understand how systems could “autonomously” re-configure or repair themselves without the intervention of the operators. A direct field of application is within the maintenance spectrum. Having systems or machines capable of self-detecting or even self-repairing could represent a game-changer, in capital asset fields such as the mining industry in particular. This paper aims to investigate the possible benefits and challenges of self-engineering / self-maintenance concerning mining machines, specifically bucket-wheel ...self-engineering, self-maintenance, maintenance operations, mining industry, bucket-wheel excavator, gearbox revitalizationSteven Manders, Milorad Pantelić, Vladimir Milisavljević, Alberto Martinetti. "Self-Engineering: Possibilities for Maintenance Operations in the Mining Machines Industry" in SSRN Electronic Journal, Elsevier BV (2021). https://doi.org/10.2139/ssrn.3945979
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Upotreba lidar tehnologije i digitalne fotogrametrije primenom iPhone pametnih telefona na primeru rudnika "Rudnik"
Nikola Mirković, Luka Crnogorac, Aleksa Paunović. "Upotreba lidar tehnologije i digitalne fotogrametrije primenom iPhone pametnih telefona na primeru rudnika "Rudnik"" in 15. Simpozijum „Rudarstvo 2024“ Održivi razvoj u rudarstvu i energetici, Vrnjačka banja, 21-24. maj 2024., Beograd : Institut za tehnologiju nuklearnih i drugih mineralnih sirovina (2024)
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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... Ostrea lamellosa Brocchi – Lecointre i Ranson, str. 36, tab. 1, sl.1-3; tab. 2, sl. 1- 5; tab. 2, sl. 1-5; tab. 4, sl. 1-7; tab. 5, sl. 1-7; tab. 6, sl. 2,3. 1971 Ostrea lamellosa Brocc. – Eremija, str. 30, tab. 5, sl. 1, 2. 1985 Ostrea (Ostrea) lamellosa Brochi – Atanacković, str. 45, tab. 8, sl ...
... 4, sl. 5. Badenske školjke jugoistočnog oboda Panonskog basena (Centralni Paratetis) Doktorska disertacija 108 1819 Lucina columbella Lamarck – str. 543 1853 Lucina candida – Eichwald, str. 79, tab. 5, sl. 5. 1870 Lucina columbella – Hörnes, str. 231, tab. 33, sl. 5. 1908 ...
... Chlamys (Macrochlamys) latissimus nodosiformis (Serres in Push) – Atanacković, str. 38, tab. 5, sl. 3. 1998 Gigantopecten (Macrochlamys) nodosiformis (de Serres in Pusch) – Mikuž, str. 95, tab. 5, sl. 4, 5; tab. 6, sl. 1a-1b; tab. 7, sl.1-2. 2004 Macrochlamys nodosiformis de Serres in Push, 1837) ...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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Sedimentologija gornje krede centralnog dela vardarske zone
Violeta M. Gajić (2014-09-04)Područje istraţivanja obuhvaćeno doktorskom disertacijom nalazi se ucentralnim delovima Vardarske zone. Karakteriše se sloţenom geološkomgrađom koju grade mezozojske tvorevine trijaske, jurske i kredne starosti, kao ikvartarni sedimenti. U trijasu je istraţivano područje pokrivalo more, sve dogranice sa Šumadijom. Tokom jure sloţenim geotektonskim procesima stvarajuse ofiolitske stene rasprostranjene u juţnim i delom u centralnim delovimaistraţivanog područja. U donjoj kredi se pokretima dinarske faze izdiglo kopno,koje je egzistiralo skoro u celoj donjoj kredi područja istraţivanja.U alb-cenomanu pojedini delovi istraţivanog područja se ...... CaCO3 MgO R 5/1 40.10 71.54 0.68 R 5/2 39.38 70.25 0.68 R 5/3 41.95 74.84 1.00 R 5/4 48.03 85.69 0.34 R 5/5 48.95 87.33 nije rađen R 5/6 52.37 93.45 0.34 R 5/7 49.89 89.02 nije rađen R 5/8 51.85 92.52 0.34 R 5/9 51.67 92.20 0.81 R 5/10 52.21 93.18 nije rađen R 5/11 52.60 93.88 ...
... Paležnica Kadina Luka K K K K K K2 - 4-5 č Rajac Planinica Gornji Lajkovac Struganik Ribnica Lj ig Marica Brežđe T2 2 M2 2 M2 2 M2 2 M1-2 T2 2 T2 1 K2 1 K2 1 K1 6 K1,2 K2 2-5 K2 5 K2 5+6 K2 5+6 K2 5+6 K K 2 2 4 5,6 1 K1 5 K2 2-5 T T T J 3 3 T3 T3 T3 T3 3 2+3 ...
... peščari (cenoman) Konglomerati i konglomeratični krečnjaci (alb-cenoman) Konglomerati i konglomeratični krečnjaci (alb) K2 5+6 K2 5+6 K2 2,3 K2 5 K2 4 K2 3,4 K2 1 K1,2 K1 5 K1 6 BR3 Slika 11.1. , delimi no izmenjen prema novim podacima iz doktorske disertacije (prema Filipović et al. 1971 i ...Violeta M. Gajić. Sedimentologija gornje krede centralnog dela vardarske zone, Универзитет у Београду, Рударско-геолошки факултет, 2014-09-04
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Modeliranje sistema upravljanja zaštitom životne sredine u rudarsko-energetskim kompleksima
Jelena R. Malenović - Nikolić (2016-07-12)Efikasnost funkcionisanja sistema upravljanja zaštitom životne sredine u rudarskoenergetskimkompleksima zavisi od stepena sprovođenja usvojene politike zaštiteživotne sredine i primene preventivnih mera zaštite životne sredine. Nedostatakfinansijskih sredstava za unapređivanje tehnologije eksploatacije, transporta, pripreme iprerade energetskih mineralnih sirovina u našim rudarsko-energetskim kompleksima,negativno utiče na ostvarivanje ciljeva zaštite životne sredine, a posledice radnihaktivnosti rudarsko-energetskih kompleksa dovode do smanjenja nivoa kvalitetavazduha, vode i zemljišta...rudarsko-energetski kompleks, životna sredina, sistem upravljanja,višekriterijumsko odlučivanje, modeliranje... 20 12 . 20 13 . 20 14 . 20 12 . 20 13 . 20 14 . SO2 3 3 4 4 4 3 2 1 2 1 2 1 6 6 6 7 7 7 NxOx 4 4 4 5 5 3 1 1 1 2 2 2 3 3 6 8 8 7 PM 6 6 6 3 5 7 5 4 1 4 5 4 1 1 3 2 2 2 Slika 4 Nivo uticaja termoelektrana Republike Srbije na kvalitet vazdušne sredine u: 1) 2012., 2) 2013 ...
... (Zei) Indikatori zastupljenosti zagađujućih materija 0 5 10 15 20 25 30 1 2 3 4 % 0 5 10 15 20 25 30 35 40 45 1 2 3 % 0 5 10 15 20 25 1 2 3 0 5 10 15 20 25 30 35 40 1 2 3 % 0 5 10 15 20 25 30 35 40 45 1 2 3 Modeliranje sistema upravlj ...
... P2 3 3 9 2. 0000 1. 0000 4. 0000 5. 0000 0.50 I P3 2 2 4 0.5000 0.2500 1. 0000 2. 0000 0.14 III P4 3 1 3 0.3333 0.2000 0.5000 1. 0000 0.08 IV II po dk ri te ri ju m P1 3 3 9 1. 0000 1. 0000 2. 0000 5. 0000 0.36 I P2 3 3 9 1. 0000 1. 0000 2. 0000 5. 0000 0.36 I P3 2 3 6 0.5000 0 ...Jelena R. Malenović - Nikolić. "Modeliranje sistema upravljanja zaštitom životne sredine u rudarsko-energetskim kompleksima" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-07-12)
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Arsenic in Tap Water of Serbia´s South Pannonian Basin and Arsenic Risk Assessment
Petar Papić, Marina Ćuk, Maja Todorović, Jana Stojković, Bojan Hajdin, Nebojša Atanacković, Dušan Polomčić (2012)... Province, are as high as 4.4 mg/L [5]. The problem with groundwater quality and arsenic con- centrations above MPC are seen in countries that share the Pannonian Basin (Serbia, Hungary, Romania, Croatia). Earlier research of arsenic in Serbian groundwater showed As levels from 5 to 349 μg/L [6]. In several ...
... µg/L (Fig. 5). The most frequent causes of physicochemical non-compliance in Srem are concentra- tions of iron and manganese higher than MPC [19]. In the Srem District, the mineral content of groundwater was found to be lower than in other parts of Vojvodina. Total hardness measured from 5°dH to 17°dH ...
... Bojan Hajdin, Nebojša Atanacković, Dušan Polomčić Faculty of Mining and Geology, University of Belgrade, Djusina 7, 11000 Belgrade, Serbia Received: 5 June 2012 Accepted: 6 August 2012 Abstract The population of Serbia’s South Pannonian Basin obtains its drinking water supply from groundwater. High ...Petar Papić, Marina Ćuk, Maja Todorović, Jana Stojković, Bojan Hajdin, Nebojša Atanacković, Dušan Polomčić. "Arsenic in Tap Water of Serbia´s South Pannonian Basin and Arsenic Risk Assessment" in Polish Journal of Environmental Studies (2012)
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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... (tundra) 0-5 2.960 5,4 19,0 70,0 5-10 1.057 4,7 11,0 25,0 20-30 450 3,0 2,0 4,0 40-50 100 0,5 1,2 1,5 70-80 15 0,5 0 0 Šumsko podzolasto zemljište 0-5 1.600 180 177 40,0 5-10 780 175 61 18,9 20-30 148 59 33 0,9 40-50 77 16 9 0,5 70-80 20 12 4 0,3 Černozem 0-5 8.950 805 835 37,0 5-10 6.650 ...
... – 4 5 – 8 >8 RC ˂1 2 – 3 4 – 8 >8 Sulfato-redukujuće bakterije BB ˂1 2-3 4-8 >8 BT ˂1 2-4 5-8 >8 BA ˂2 2-5 6-8 >8 Anaerobne bakterije* CG ˂0.5 0.5-2 3-4 >4 Sluz produkujuće bakterije DS ˂1 2 3-7 >7 SR ˂1 2-3 4-6 >6 CP ˂0.5 1-2 3-6 >6 CL ˂1 2 3-6 >6 BL ˂1 2-4 5-8 >8 TH ˂2 3-4 5 >6 ...
... 650 945 1.015 36,5 20-30 835 825 126 19,3 40-50 200 169 24 17,2 70-80 147 127 13 0,3 Serozem 0-5 1.500 505 780 20,0 5-10 800 350 700 12,0 20-30 560 96 360 2,4 40-50 110 69 160 0,4 70-80 90 17 150 0,2 U 1 g zemljišta nalazi se oko 200 m hifa gljiva, milijardu bakterija, te nekoliko desetina ...Vladimir Šaraba. Mikroorganizmi - biohidrogeološki indikatori odabranih pojava mineralnih voda Srbije, Beograd : [V. Šaraba], 2021
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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... (Slika 5-5), kao i sa Kolubarom u prethodnom primeru. Slika 5-5 Ispravljeni podgraf za prepoznavanje kopova i polazišta ili odredišta Takođe, kako bi bili prepoznati Tamnavski kopovi, izmenjen je i podgraf koji pronalazi pojavljivanje Tamnavskih polja (Slika 5-6). 119 Slika 5-6 Ispravljeni ...
... ............. 117 Slika 5-4 Ispravljeni podgraf za prepoznavanje ogranaka ....................................................................... 118 Slika 5-5 Ispravljeni podgraf za prepoznavanje kopova i polazišta ili odredišta .......................... 118 Slika 5-6 Ispravljeni graf za pronalaženje ...
... ......... 112 Slika 5-1 Ispravljeni transduktor za prepoznavanje opreme ................................................................. 116 Slika 5-2 Ispravljeni podgraf za prepoznavanje bagerskih Sistema .................................................... 116 Slika 5-3 Ispravljeni podgraf za ...Olivera Kitanović. Ontološki model upravljanja rizikom u rudarstvu, Beograd : [O. Kitanović], 2021
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A tool for identifying the criticality in the disordered systems with metastable dynamics
Svetislav Mijatović, Dragutin Jovković, Sanja Janićević, Stefan Graovac, Đorđe Spasojević. "A tool for identifying the criticality in the disordered systems with metastable dynamics" in Physica A: Statistical Mechanics and its Applications, Elsevier BV (2021). https://doi.org/10.1016/j.physa.2021.125883
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Elektromagnetska sprega sistema litosfera-atmosfera-jonosfera
Aleksandra B. Kolarski (2016-08-25)Radio talasi vrlo niskih frekvencija VLF (eng. Very Low Frequency) frekventnog opsega od 3 do 30 kHz, koji se prostiru talasovodom Zemlja-jonosfera (50 -90 km) su, kao što je poznato, efikasni i nezamenljivi u osmatranju pojava u niskoj jonosferi, sa tla...prostiranje talasa vrlo niskih frekvencija, talasovod Zemlja-jonosfera, globalno električno kolo, atmosfersko električno pražnjenje, kratkotrajne svetlosne pojave... 18. dec. ICV/20.27 DHO/23.4 GQD/22.1 NWC/19.8 NAA/24.0 5 5 broj dana ukup. 24 80 izabr. 15 40 2011 26. jan. ICV/20.27 DHO/23.4 GQD/22.1 NWC/19.8 NAA/24.0 2 2 04. mar. ICV/20.27 DHO/23.4 GQD/22.1 NWC/19.8 NAA/24.0 5 5 20. mar. ICV/20.27 DHO/23.4 GQD/22.1 NWC/19.8 NAA/24.0 1 ...
... 332.49 5 2012/4/23 00:00:00.834707 10.7970 125.8763 06.2 7 1744.95 131.47 6 2012/4/23 00:00:00.943868 19.4564 -070.9303 17.2 6 298.00 118.10 4 2012/4/23 00:00:00.922768 14.1879 -090.7451 24.0 16 507.86 136.14 13 2012/4/23 00:00:00.943845 19.3481 -070.9295 16.4 5 212.37 ...
... u Tabeli 5 (detaljan pregled dat je u PRILOGU 1). Karakteristike VLF predajnika i registrovanih signala u pomenutom periodu date su u Tabeli 6. Kod signala NAA/24.0 kHz i NWC/19.8 kHz, emitovana snaga je uvek 1000 kW, dok kod ostalih transmitera dolazi do njene promene. Tabela 5. Raspored ...Aleksandra B. Kolarski. "Elektromagnetska sprega sistema litosfera-atmosfera-jonosfera" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-08-25)
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Rule-based Automatic Multi-word Term Extraction and Lemmatization
In this paper we present a rule-based method for multi-word term extraction that relies on extensive lexical resources in the form of electronic dictionaries and finite-state transducers for modelling various syntactic structures of multi-word terms. The same technology is used for lemmatization of extracted multi-word terms, which is unavoidable for highly inflected languages in order to pass extracted data to evaluators and subsequently to terminological e-dictionaries and databases. The approach is illustrated on a corpus of Serbian texts from ...... 3715 (97%) with a correct lemma and 121 (3%) with an incorrect lemma (Figure 5). Figure 5. Evaluation of MWU forms and correct lemma 512 Table 6 Number of lemmas after manual evaluation 5. Concluding remarks and Future Work The paper presents an approach to terminology ...
... 153 forms recognized in the corpus, out of which 4,067 distinct. Distribution of these MWU forms and lemmas by graphs is given in Table 5. Table 5. Number of lemmas that are passed for manual evaluation For the forms remaining after automatic filtering measures were calculated, and ...
... 3 its architecture is outlined, while in Section 4 we present the evaluation procedure and its results on a domain corpus. Finally, in Section 5 we give some concluding remarks and present plans for system improvement. 2. Methodology and Design Entries in the Serbian e-dictionary of general ...Ranka Stanković, Cvetana Krstev, Ivan Obradović, Biljana Lazić, Aleksandra Trtovac. "Rule-based Automatic Multi-word Term Extraction and Lemmatization" in Proceedings of the 10th International Conference on Language Resources and Evaluation, LREC 2016, Portorož, Slovenia, 23--28 May 2016, European Language Resources Association (2016)
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NMR kinetic studies of the interactions between [Ru(terpy)(bipy)(H2O)]2+ and some sulfur-donor ligands
Aleksandar Mijatović, Biljana Šmit, Ana Rilak, Biljana Petrović, Dragan Čanović, Živadin D. Bugarčić (2012)Reakcije supstitucije monofunkcionalnog [Ru(terpi)(bipi)(H2O)]2+ kompleksa, gde je terpi = 2,2′:6′,2″-terpiridin i bipi = 2,2′-bipiridin, sa biološki relevantnim sumporo donorskim ligandima, kao što su tiourea, l-metionin, l-cistein i glutation, proučavane su u vodenim rastvorima tehnikom 1H i 13C NMR spektroskopije. Sve reakcije su proučavajne na pH 7,4, u prisustvu fosfatnog pufera, da bi se oponašalo fiziološko okruženje tokom procesa supstitucije. Reakcije se izvode na 295 K pod uslovima reakcija drugog reda. Uočeni rezultati pokazuju da brzina supstitucije snažno zavisi ...Aleksandar Mijatović, Biljana Šmit, Ana Rilak, Biljana Petrović, Dragan Čanović, Živadin D. Bugarčić. "NMR kinetic studies of the interactions between [Ru(terpy)(bipy)(H2O)]2+ and some sulfur-donor ligands" in Inorganica Chimica Acta, Elsevier BV (2012). https://doi.org/10.1016/j.ica.2012.09.016