Претрага
1080 items
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A new copper(II) arsenate, Na2Cu3(AsO3OH)4·4H2O containing discrete [Cu3O12]18− units: Synthesis, crystal structure and magnetic properties
Single crystals of the new disodium tricopper(II) tetrakis(hydrogenarsenate(V)) tetrahydrate, Na2Cu3(AsO3OH)4·4H2O were grown under hydrothermal conditions. The compound was characterized by room-temperature single-crystal X-ray diffraction, SEM-EDS analysis, Raman spectroscopy and magnetic susceptibility measurements. Na2Cu3(AsO3OH)4·4H2O represents a new layered structure-type [space group P21/c, a = 8.7089(17), b = 9.7452(19), c = 9.3353(19) Å, β = 92.63(3)°, V = 791.4(3) Å3, Z = 4]. The layers are normal to [100] and are composed of the isolated Cu3O12 units interconnected by AsO3OH coordination ...Na2Cu3(AsO3OH)4•4H2O, хидротермална синтеза, кристална структура, хидрирани хидрокси-арсенати, магнетна својстваTamara Đorđević, Ljiljana Karanović, Zvonko Jagličić. "A new copper(II) arsenate, Na2Cu3(AsO3OH)4·4H2O containing discrete [Cu3O12]18− units: Synthesis, crystal structure and magnetic properties" in Journal of Solid State Chemistry, Elsevier BV (2018). https://doi.org/10.1016/j.jssc.2018.05.024
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Critical disorder and critical magnetic field of the nonequilibrium athermal random-field Ising model in thin systems
Svetislav Mijatović, Dragutin Jovković, Sanja Janićević, Đorđe Spasojević. "Critical disorder and critical magnetic field of the nonequilibrium athermal random-field Ising model in thin systems" in Physical Review E, American Physical Society (APS) (2019). https://doi.org/10.1103/PhysRevE.100.032113
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Geološko-geofizički model dela Timočkog magmatskog kompleksa
Snežana M. Ignjatović (2014-06-30)Timočki magmatski kompleks (TMK) u geotektonskom smislu pripada KarpatoBalkanidimaistočne Srbije, koji su deo Tekijsko-Dakijske jedinice. TMK je nastaotokom kontinuirane vulkanske aktivnosti, koja je trajala oko deset miliona godina iodvijala se generalno u tri faze (Zimmerman et al., 2008, Kolb et al., 2013, Banješević,2006). Pomeranje vulkanskog fronta je išlo od istoka ka zapadu (von Quadt et al., 2002,2003, 2007). Ovaj kompleks pripada tetijskom evroazijskom metalogenetskom pojasu usvetu poznat po ležištima bakra i zlata (Janković, 1990).U doktorskoj disertaciji su prikazani rezultati ...Timočki magmatski kompleks, aeromagnetska istraživanja, gravimetrijskaistraživanja, 2D geološko-geofizički model, Valja Strž, magmatsko telo... ĐorĎević, 1968; Nikolić i dr., 1968; ĐorĎević, 1967; ĐorĎević i dr., 1964, 1967; Bogdanović, 1968, 1971; Spasov, 1969; Pejović i dr., 1971, 1972; Petrović i Marković, 1975). Sistematska geološka istraţivanja u okviru projekta Tematske geološke karte, kasnije projekat Geološka karta Srbije 1:50000, ...
... tvorevina u senonskom rovu istočne Srbije izmedju Boljevca i Dimitrovgrada. Glas SANU, Odeljenje prirodnomatematičkih nauka, 34, Beograd, 85-99. Petrović, M., Marković, S., 1975. Rasčlanjenje gornje krede okoline Bora. Geol. anali Balk. pol., 39, Beograd, 13-33. Petković, M., Đoković, I., Romić ...
... kompleksa, 15. Kongres geologa Srbije. Zbornik radova, Beograd, 1-6. Baranov, V., 1957. A new method for interpretation of aeromagnetic maps: Pseudo- gravimetric anomalies. Geophysics, Vol. XXII, No. 2, 359-383. Baranov, V., Naudy, H., 1964. Numerical calculation of the formula of reduction to the ...Snežana M. Ignjatović. "Geološko-geofizički model dela Timočkog magmatskog kompleksa" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2014-06-30)
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On the compatibility of lexical resources for NooJ
Lexical resources for many languages are provided for the NooJ linguistic development environment. Meta-data descriptions of morphosyntactic and semantic properties of these languages and their resources are a mandatory part of each language module. In this paper we analyze how well the meta-data actually describe resources for a chosen subset of languages and to what extent are they compatible across languages to support multilingual processing. We show that there is place for improvement in both directions.... m+f +n N_Case= Nom+G+D+Acc+Voc+L+I N_Type=c+vl+r N_Sem=geo+etn+ust+ime+vr+kr+inc Bg s+p N_Case=v N_Definiteness=0+d+h+l+o N_Counting_Form=c Sr s+p +w m+f +n N_Animacy=v+q N_Distribution=Adj+Aug+Bot+Col+Coll+Dem+Der*+E k+El+FG+Hip+Hum+HumN+Ijk+Ik+HumColl+MG+My th+Neg+NG+N ...
... INF+INFk+PR+PRk+PRd+IMP+AO+AO2+PDR+PDT+IMT+GPS+GP P+s+p+1+2+3+m+f+n+np+cp+sp Bg s+p+0+d+h+l+o+v+c+f+m+n+y+z+i+a+t+1+2+3+b+w+x+A+B+C+K+ P+F+M+N+R+E+D+I+Y+Z+X+W+Q Sr m+f+n+1+2+3+4+5+6+7+s+p+w+v+q+g+i+a+b+c+d+k+W+P+A+I+Y +G+T+F+S+X+x+y+z+h Table 4. Analysis of *.def metadata: INFLECTION ...
... div> I глава. Филиас Фог и Паспарту се харесват като господар и прислужникПрез 1872 година в къщата на “Савил роу” № 7, Бърлингтън Гардънс – същата, в която през 1814 година почина Шеридан, – сега живееше Филиас Фог. Той беше един от най-странните и видни членове на Р ... Ranka Stanković, Miloš Utvić, Duško Vitas, Cvetana Krstev, Ivan Obradović. "On the compatibility of lexical resources for NooJ" in Automatic Processing of Various Levels of Linguistic Phenomena: Selected Papers from the 2011 International Nooj Conference, Cambridge Scholars Publishing (2012): 96-108
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Part of Speech Tagging for Serbian language using Natural Language Toolkit
Ranka Stanković, Boro Milovanović (2020)Dok se razvijaju složeni algoritmi za NLP (obrada prirodnog jezika), osnovni zadaci kao što je označavanje ostaju veoma važni i još uvek izazovni. NLTK (Natural Language Toolkit) je moćna Python biblioteka za razvoj programa zasnovanih na NLP-u. Pokušavamo da iskoristimo ovu biblioteku za kreiranje PoS (vrsta reči) oznake za savremeni srpski jezik. Jedanaest različitih modela je kreirano korišćenjem NLTK API-ja za označavanje. Najbolji modeli se transformišu sa Brill tagerom da bi se poboljšala tačnost. Obučili smo modele na označenom ...... COUNT % N_POS NOUN 42936 21.51% N, N:m, N:f, N:n PUNCT 31477 15.77% PUNCT, SENT VERB 20599 10.32% V, V:m, V:f, V:n ADJ 18949 9.49% A, A:am, A:an, A:af ADP 16540 8.28% PREP AUX 13592 6.81% V, V:m, V:f, V:n CCONJ 9374 4.70% CONJ ADV 8998 4.51% ADV DET 8599 4.31% PRO, PRO:m, PRO:f, PRO:n ...
... expressions. TABLE IV MAPPING BETWEEN SMD_POS AND PCT_POS TAGSETS SMD_POS PCT_POS N NOM:com, NOM: col, NOM:nam, NOM:num, NOM:approx V VER, VER:aux PRO PRO:per, PRO:intr, PRO:dem, PRO:ind, PRO:pos, PRO:rel, PRO:ref NUM NUM, NUM:car, NUM:ord, NUM:cal, PRO:num A ADJ:comp, ADJ:sup ...
... original dataset size and measured accuracy on a remaining 10% size with 10-fold evaluation1. Results of the trained tagger models can be seen in Table V, with the accuracy calculated as 𝐴𝑐𝑐𝑢𝑟𝑎𝑐𝑦 = 𝑁𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑐𝑜𝑟𝑟𝑒𝑐𝑡𝑙𝑦 𝑝𝑟𝑒𝑑𝑖𝑐𝑡𝑒𝑑 𝑡𝑎𝑔𝑠𝑁𝑢𝑚𝑏𝑒𝑟 𝑜𝑓 𝑎𝑙𝑙 𝑡𝑎𝑔𝑠 ...Ranka Stanković, Boro Milovanović. "Part of Speech Tagging for Serbian language using Natural Language Toolkit" in 7th International Conference on Electrical, Electronic and Computing Engineering IcETRAN 2020, Academic Mind, Belgrade (2020)
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An arid phase in the Internal Dinarides during the early to middle Miocene: Inferences from Mg-clays in the Pranjani Basin (Serbia)
N. Andrić-Tomašević, V. Simić, O. Mandic, D. Životić, M. Suárez, E. García-Romero. "An arid phase in the Internal Dinarides during the early to middle Miocene: Inferences from Mg-clays in the Pranjani Basin (Serbia)" in Palaeogeography, Palaeoclimatology, Palaeoecology, Elsevier BV (2020). https://doi.org/10.1016/j.palaeo.2020.110145
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Application of geophysical surveys for solving the problem of leakage of an embankment dam
Branislav Sretković, Dejan Vučković, Dejan Miloševski. "Application of geophysical surveys for solving the problem of leakage of an embankment dam" in 18. Kongres geologa Srbije "Geologija rešava probleme", Divčibare, 01-04 jun 2022., Srpsko geološko društvo (2022)
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Tehnike vertikalnog elektrometrijskog sondiranja i elektrometrijskog multielektrodnog profilisanja primenjene na istom profilu u realnim uslovima
Dejan Miloševski, Dejan Vučković, Branislav Sretković. "Tehnike vertikalnog elektrometrijskog sondiranja i elektrometrijskog multielektrodnog profilisanja primenjene na istom profilu u realnim uslovima" in XVII Kongres geologa Srbije, Vrnjačka Banja, Srbija (17-20.05.2018.), Srpsko geološko društvo (2018)
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Distribution of major and trace elements in the Kovin lignite (Serbia)
Dragana Životić, Olga Cvetković, Predrag Vulić, Ivan Gržetić, Vladimir Simić, Konstantin Ilijević, Biljana Dojčinović, Suzana Erić, Bogdan Radić, Sanja Stojadinović, Snežana Trifunović (2019)geochemical and mineralogical study was performed on lignite samples from the Upper Miocene Kovin deposit, hosting three coal seams. The Kovin lignite is characterized by high moisture content, medium to high ash yield, medium to high sulphur content and a relatively low gross and net calorific value. The mineralogical composition, and major and trace element contents were determined by X-ray diffraction, scanning electron microscopy with energy dispersive Xray spectroscopy (SEM-EDS) analyses, and inductively coupled plasma optical emission spectrometry (ICP-OES). ...... Mn, Co, Cr, Mo. Mo. Sr. Al affinity rAl= 0.7–1.0 Si, Ti, Cu, Ga, Li, Sc, Th, V, Gd, Tb. Si, Ti, K, Ba, Cr, Cu, Ga, Li, Pb, Sc, Th, V, Sm, Eu, Gd, Tb, Ho, Si, Ti, Fe, K, Na, Mn, Ba, Cd, Cr, Ga, Li, Ni, Sc, Th, V, Zn, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Y, Ho, Er, Yb, Lu, LREY, MREY, HREY. rAl = ...
... SOTIROV, 2002) is observed for Al, Si, Ti, K, Ba, Cr, Ga, Pb, Rb, Sc, V, La, Ce, Nd, Sm, Eu, Gd, Ho, and Yb in coal seam I with strong positive correlations with ash yield, as well as for Al, Si, Ti, Ba, Cr, Cu, Ga, In, Li, Sc, Se, V, Gd and Tb in seam II, and for Al, Si, Ti, Fe, K, Na, Mn, Ba, Cd, ...
... seam III seam Positive correlation with ash yield rash=0.7–1.0 Al, Si, Ti, K, Ba, Cr, Ga, Pb, Rb, Sc, V, La, Ce, Nd, Sm, Eu, Gd, Ho, Yb, LREY, MREY, HREY. Al, Si, Ti, Ba, Cr, Cu, Ga, Li, Sc, Se,V, Gd, Tb. Al, Si, Ti, Fe ,K, Na, Mn, Ba, Cd, Cr, Ga, Ni, Sc, Th, Zn, Ce, Sm, Eu, Gd, Tb, Ho, Er, Yb, ...Dragana Životić, Olga Cvetković, Predrag Vulić, Ivan Gržetić, Vladimir Simić, Konstantin Ilijević, Biljana Dojčinović, Suzana Erić, Bogdan Radić, Sanja Stojadinović, Snežana Trifunović. "Distribution of major and trace elements in the Kovin lignite (Serbia)" in Geologia Croatica, Croatian Geological Survey (2019). https://doi.org/10.4154/gc.2019.06
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Environmental Energy Security Indicators as Tools for Environmental Protection
Еколошка прихватљивост је постала незаменљив синтезни показатељ сваке валидне енергетске анализе у последње две-три деценије. Енергетска безбедност је у директној хармонији с еколошком прихватљивошћу кроз многе прописане политичке циљеве, економске користи, правне тековине итд. Индикатори еколошке сигурности представљају један од основних елемената за одређивање енергетске безбедности и снажне алате за усмеравање енергетског сектора ка одрживом развоју. У овом раду, анализа је била концентрисана на показатеље енергетске безбедности у области животне средине који се односе на сектор природног гаса у ...енергетска безбедност, еколошки енергетски индикатори, заштита животне средине, еколошка прихватљивост... Aleksandar Madžarević, Dejan Ivezić, Marija Živković , Miloš Tansijević Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Environmental Energy Security Indicators as Tools for Environmental Protection | Aleksandar Madžarević, Dejan Ivezić, Marija Živković ...
... – 28. 2019, Vrdnik, Serbia ENVIRONMENTAL ENERGY SECURITY INDICATORS AS TOOLS FOR ENVIRONMENTAL PROTECTION Aleksandar Madžarević1, Dejan Ivezić2, Marija Živković3, Miloš Tanasijević4 1-5University of Begrade – Faculty of Mining and Geology, Belgrade, SERBIA, aleksandar.madzarevic@rgf ...
... 28, pp. 152–168 3. Umbach, F., Global energy security and the implications for the EU, Energy Policy, 2010, Volume 38, pp. 1229–1240 4. Vivoda, V., Evaluating energy security in the Asia-Pacific region: a novel methodological approach, Energy Policy, 2010, Volume 38, pp. 5258–5263 5. Ministry ...Aleksandar Madžarević, Dejan Ivezić, Marija Živković , Miloš Tansijević. "Environmental Energy Security Indicators as Tools for Environmental Protection" in Mining and Environmental Protection-MEP 2019, University of Belgrade, Faculty of Mining and Geology (2019)
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Stratigraphy and microfossils (radiolarians and planktonic foraminifers) of the Upper Cretaceous (upper Santonian–lower Campanian) Struganik limestone (Western Serbia)
Liubov G. Bragina, Nikita Yu. Bragin, Ludmila F. Kopayevich, Nevenka Đerić, Nataša Gerzina Spajić (2019)Liubov G. Bragina, Nikita Yu. Bragin, Ludmila F. Kopayevich, Nevenka Đerić, Nataša Gerzina Spajić. "Stratigraphy and microfossils (radiolarians and planktonic foraminifers) of the Upper Cretaceous (upper Santonian–lower Campanian) Struganik limestone (Western Serbia)" in Palaeoworld, Elsevier BV (2019). https://doi.org/10.1016/j.palwor.2019.05.001
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The Serbian Geothermal Energy Sector
Ivezić Dejan (2011)Ivezić Dejan. "The Serbian Geothermal Energy Sector" in European Conference – GEOFAR - Innovative Solutions For Geothermal Energy Financing - Proceedings, Atina: (2011)
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СТРАТЕШКИ ЦИЉЕВИ ЕНЕРГЕТИКЕ РЕПУБЛИКЕ СРБИЈЕ
Ivezić Dejan (2018)Ivezić Dejan. "СТРАТЕШКИ ЦИЉЕВИ ЕНЕРГЕТИКЕ РЕПУБЛИКЕ СРБИЈЕ" in Симпозијум ЕНЕРГЕТИКА И КЛИМАТСКЕ ПРОМЕНЕ - зборник апстраката, Београд:СРПСКА АКАДЕМИЈА НАУКА И УМЕТНОСТИ, Одељење техничких наука (2018)
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Geohemija
Dejan Prelević (2021)Dejan Prelević. Geohemija, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet, 2021
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Praktikum iz depozicionih sistema
Dejan Radivojević (2020)Dejan Radivojević. Praktikum iz depozicionih sistema, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet, 2020
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Metalogenetske karakteristike ležišta bakra Cementacija "- Mali Krivelj( Bor )"
Dejan Koželj (1992)Dejan Koželj. Metalogenetske karakteristike ležišta bakra Cementacija "- Mali Krivelj( Bor )", Beograd:Rudarsko-geološki fakultet, 1992
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Numeričko fokusiranje kao metod odrade podataka geoelektričnog skeniranja
Dejan Vučković (1998)Dejan Vučković. Numeričko fokusiranje kao metod odrade podataka geoelektričnog skeniranja, Beograd:Rudarsko-geološki fakultet, 1998
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Geohemijske karakteristike i korelacija dajkova tercijarnih magmata u području Velikog Majdana
Dejan Prelević (1995)Dejan Prelević. Geohemijske karakteristike i korelacija dajkova tercijarnih magmata u području Velikog Majdana, Beograd:Rudarsko-geološki fakultet, 1995
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Uticaj parametara bušenja i miniranja na fragmentaciju raspucale stenske mase
Dejan Bogdanović (1997)Dejan Bogdanović. Uticaj parametara bušenja i miniranja na fragmentaciju raspucale stenske mase, Beograd:Rudarsko-geološki fakultet, 1997
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Geologija i ugljonosnost tercijarnih basena sjeverne Crne Gore
Dejan Barjaktarović (1997)Dejan Barjaktarović. Geologija i ugljonosnost tercijarnih basena sjeverne Crne Gore, Beograd:Rudarsko-geološki fakultet, 1997