Претрага
784 items
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Neogena i kvartarna herpetofauna (Anura i Squamata) Srbije : doktorska disertacija
Dragana D. Đurić (2019)U radu je prvi put opisan deo herpetofaune (Anura i Squamata) iz neogenih i kvartarnih lokaliteta Srbije. Obrađeni su lokaliteti Sibnica, Prebreza, Lazarevc, Vračević i Riđake, neogene starosti. Lokaliteti kvartarne starosti su pećine Mala i Velika Balanica, Pešturina, Hadži Prodanova, Baranica, Vrelska pećina i sedimentne ispune fisura u kamenolomima Venčac i Beočin. U radu je prikazana je taksonomska analiza herpetoloških ostataka. Pored taksonomske analize fosilnog materijala dat je kratak geografsko-geološki opis proučavanih lokaliteta, osnovne osteološke karakteristike anura i skvamata ...... Biton, R., Geff en, E., Vences, M., Cohen, O., Bailon, S., Rabinovich , R., Malka, Y., Oron, T., Boistel, R., Brumf eld, V. Gafny, S. 2013. The rediscovered Hula painted frog is a living fossil. Nature Communications, 4:1959. doi: 10.1038/ ncomms 2959 Biton, R., Boistel, R., Rabinovich, R., Gafny ...
... šta (Ost-Hercegovina). Glasnik zemaljskog Muzeja u Bosni i Hercegovini, 37: 125–135. Böhme G., R. Günther. 1979. Osteological studies in the European Water frogs Rana ridibunda, R. lessonae and R. “esculenta” (Anura, Ranidae). Mitteilungen aus dem zoologischen Museum in Berlin, 55(1): 203–215 ...
... an Geologist, 74: 81–93. Estes, R. 1983. Sauria terrestria, Amphisbaenia. Handbuch der Paläoherpetologie, 10A. Gustav Fischer, Stuttgart (xxii + 249 pp). Estes, R., de Queiroz, K., Gauthier, J. 1988. Phylogenetic relationships within Squamata. In: Estes R., Pregill G., (eds.) Phylogenetic r ...Dragana D. Đurić. Neogena i kvartarna herpetofauna (Anura i Squamata) Srbije : doktorska disertacija, Beograd : Rudarsko-geološki fakultet, 2019
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Одређивање оптималне производње дубинске пумпе на клипним шипкама
Небојша Савић (2024)Дужи временски период током историје производње нафте, дубинске пумпе на клипним шипкама су први и у многим случајевима једини избор када су у питању механичке методе експлоатације. Правилан одабир сваког појединачног елемента система омогућава оптимизацију која са собом повлачи бенефите у виду повећавања ефикасности и смањења трошкова. Тренутно примењени систем дубинских пумпи на клипним шипкама на лежишту „Н“ обезбеђује стабилну производњу и реализацију годишњих планова производње без већих проблема. У овом раду је приказан начин оптимизације производње дубинским пумпама ...... I k Epoj Hnekca /PS 23 / yA HsjaBMbyjeM a je 3aBpIHHH pa/jl TiOJi HaCJIOBOM ONA A — _ 204> ! ()r'—··\—–·;v&.'·'r—\·{··a·« E.XVASC. a Or _ r ) Ć (i4APO r O Oc OOp VOOOBMMMANKLC CiCOOTAC \R VJ{ ikic a LMWCI{W{Ca{y o • pe3yjrraT COIJCTBEHOr HCTpa);KHBauMKor palla, • a 3aBpMIHH paji y HeJMHHM ...
... orpeMe 3a yceaatbe: C-"Cup" r M - exaguug:H THH Mecro yceaamba mysme: A - spx B-amo T – aHo nokpeTEHH IIAp Tn nuH:iHH;ipa 3a wera.mHii K-Tim: W - ragax: a H - ojasasn 3 L - najnep 3a K-amum ca MeKIHM HaK0BalbeM: S - ragag 31 P - ojasas 38 Tim myyme: R - nHcepr T - ryGnHr TipeunHk ...
... Ipaduuku npuka3 peayamama 3a 0yuwiomuny HO16 Dynamornster Cards. 'Gearbox Torque Pkts 9000 //7 9000 B000) *\_/ 80000 """"""""""""""""""""" j r a; -r rugaj 7000 7000 2000 [ uuJ 800 3 a z 1ODG = 5000 500 H Downirake = FI H k i J 40000 š Pl EOM ELUJ 300 z i /_\ -20000 . eevdikai 200 ...Небојша Савић. Одређивање оптималне производње дубинске пумпе на клипним шипкама, 2024
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Laboratory testing of fly ash
Fly ash is one of the most common waste materials created by burning of coal. It is composed of smaller particles, consisting mainly of aluminosilicate glass, mullite and quartz, which are collected by electrostatic separators (filter) of gaseous products arising from the combustion of coal. This paper presents the pozzolanic properties, mechanical properties, chemical and mineral composition of fly ash obtained in the combustion process in a power plant Nikola Tesla A (PPNT A) with the addition of a ...chemical composition, fly ash, mechanical properties, mineral properties, pozzolanic properties, X-ray diffraction... ash according to the module R size ( ) ( )32 32 OFeMgOCaO AlOSiO R ++ + = (1) According to module R size, fly ash can be divided into: - silicate – calcium R < 2, - silicate R = 2 ÷ 6, - silicate – aluminum R > 6. 3. Classification of ...
... 16,10 8,74 MgO 0,64 4,39 2,64 SO3 0,66 3,27 1,76 S 0,26 1,31 0,70 Na2O 0,08 0,72 0,32 K2O 0,25 1,49 0,74 ( ) ( )32 32 module OFeMgOCaO AlOSiO R ++ + = 2,18 9,98 4,38 SiO2/Al2O3 1,92 6,27 2,66 2.2.1 The classification of fly ash on the basis of chemical composition There are several ...
... 1,16 8,74 MgO 3,01 2,83 2,64 SO3 0,85 0,54 1,76 S 0,33 0,21 0,70 Na2O 0,57 0,43 0,32 K2O 1,05 1,16 0,74 ( ) ( )32 32 module OFeMgOCaO AlOSiO R ++ + = 7,65 7,32 3,97 SiO2/Al2O3 2,36 2,33 2,57 Comparison of the chemical composition of fly ash taken in S1 and S2, with medium chemical ...Miloš Šešlija, Aleksandra Rosić, Nebojša Radović, Milinko Vasić, Mitar Đogo, Milovan Jotić. "Laboratory testing of fly ash" in Tehnički vijesnik (2016). https://doi.org/10.17559/TV-20150317171035
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Uporedna analiza stabilnosti završnih kosina površinskog kopa „Veliki Krivelj“
Mihajlo Topalović (2023)Površinski kop „Veliki Krivelj“ nalazi se u blizina grada Bora i u neposrednoj blizini sela Krivelj. Od 2018. godine je u vlasništvu kineske kompanije „Zijin“ koja ima udeo od 63% vlasništva celokupnog RTB-a Bor. Na površinskom kopu obavlja se masovna eksploatacija rude bakra opremom visokog kapaciteta. Za bušenje se koriste bušilice prečnika od 250 do 310 mm, a za utovar minirane rude i jalovine bageri čija je zapremina kašike 15 m3 i 22 m3. Za površinski kop „Veliki Krivelj“ ...Mihajlo Topalović. Uporedna analiza stabilnosti završnih kosina površinskog kopa „Veliki Krivelj“, 2023
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Analogue modelling of strain partitioning along a curved strike-slip fault system during backarc-convex orocline formation: Implications for the Cerna-Timok fault system of the Carpatho-Balkanides
Nemanja Krstekanić, Ernst Willingshofer, Taco Broerse, Liviu Matenco, Marinko Toljić, Uroš Stojadinović (2021)... University of Belgrade, Faculty of Mining and Geology, Belgrade, Serbia A R T I C L E I N F O Keywords: Analogue modelling Strain partitioning Strike-slip Indenter geometry Cerna and Timok faults system A B S T R A C T Large-scale strike-slip faults are associated with significant strain ...
... Bartolome, R., 2012. Thrust-wrench interference between major active faults in the Gulf of Cadiz (Africa-Eurasia plate boundary, offshore SW Iberia): tectonic implications from coupled analog and numerical modelling. Tectonophysics 548–549, 1–21. Rosas, F.M., Duarte, J.C., Schellart, W.P., Tomás, R., Grigorova ...
... southern Carpathians. Tectonophysics 297, 209–228. Schmid, S.M., Fügenschuh, B., Kounov, A., Matenco, L., Nievergelt, P., Oberhänsli, R., Pleuger, J., Schefer, S., Schuster, R., Tomljenović, B., Ustaszewski, K., van Hinsbergen, D.J.J., 2020. Tectonic units of the Alpine collision zone between Eastern ...Nemanja Krstekanić, Ernst Willingshofer, Taco Broerse, Liviu Matenco, Marinko Toljić, Uroš Stojadinović. "Analogue modelling of strain partitioning along a curved strike-slip fault system during backarc-convex orocline formation: Implications for the Cerna-Timok fault system of the Carpatho-Balkanides" in Journal of Structural Geology, Elsevier BV (2021). https://doi.org/10.1016/j.jsg.2021.104386
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Definition of criteria and alternatives for choosing the optimal mining method deposits when applying multi: Criteria optimization, Belgrade, June 2024
Sanja Bajić, Dragoljub Bajić, Branko Gluščević, Radmila Gaćina, Josip Išek. "Definition of criteria and alternatives for choosing the optimal mining method deposits when applying multi: Criteria optimization, Belgrade, June 2024" in Podzemni radovi, Beograd, jun 2024, Centre for Evaluation in Education and Science (CEON/CEES) (2024). https://doi.org/10.5937/podrad2444071B
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Freeze-dried nanocrystal dispersion of novel deuterated pyrazoloquinolinone ligand (DK-I-56-1): Process parameters and lyoprotectant selection through the stability study
Jelena R. Mitrović, Maja Bjelošević Žiberna, Aleksandar Vukadinović, Daniel E. Knutson, Dishary Sharmin, Aleksandar Kremenović, Pegi Ahlin Grabnar, Odon Planinšek, Dominique Lunter, James M. Cook, Miroslav M. Savić, Snežana D. Savić (2023)Recently, nanocrystal dispersions have been considered as a promising formulation strategy to improve the bioavailability of the deuterated pyrazoloquinolinone ligand DK-I-56-1 (7‑methoxy-2-(4‑methoxy-d3-phenyl)-2,5-dihydro-3H-pyrazolo[4,3-c]quinolin-3-one). In the current study, the freeze-drying process (formulation and process parameters) was investigated to improve the storage stability of the previously developed formulation. Different combinations of lyoprotectant (sucrose or trehalose) and bulking agent (mannitol) were varied while formulations were freeze-dried under two conditions (primary drying at -10 or -45 °C). The obtained lyophilizates were characterized in terms ...... performed under two «conditions. For lyophilization-1, samples were frozen at -80 "C for 3 h and then freeze- dried in a Beta 1–8 K freeze dryer (Martin Christ, Osterode am Harz, Germany) for 24 h, with primary drying at -10 "C and 0.340 mbar and secondary drying at 25 "C. Samples were stored in ...
... 1021/acs.jmedchem.7b01664. Kumar, S., Gokhale, R., Burgess, D.J., 2014. Sugars as bulking agents to prevent nano- crystal aggregation during spray or freeze-drying. Int. J. Pharm. 471 (1–2), 303-311. https://doi.org/10.1016//j.ijpharm.2014.05.060. L Remmele, R., Krishnan, S., J Callahan, W., 2012. Development ...
... strategies for nanocrystal preparations. Drug Deliv. 28, 19-36. https:// doi.org/10.1080/10717544.2020.1856224. Liao, X., Krishnamurthy, R., Suryanarayanan, R., 2007. Influence of processing conditions on the physical state of mannitol—implications in freeze-drying. Pharm. Res. 24 (2), 370–376. ...Jelena R. Mitrović, Maja Bjelošević Žiberna, Aleksandar Vukadinović, Daniel E. Knutson, Dishary Sharmin, Aleksandar Kremenović, Pegi Ahlin Grabnar, Odon Planinšek, Dominique Lunter, James M. Cook, Miroslav M. Savić, Snežana D. Savić. "Freeze-dried nanocrystal dispersion of novel deuterated pyrazoloquinolinone ligand (DK-I-56-1): Process parameters and lyoprotectant selection through the stability study" in European Journal of Pharmaceutical Sciences, Elsevier BV (2023). https://doi.org/10.1016/j.ejps.2023.106557
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Tехничко решење заштите површинског копа Дрмно од површинских вода у 2025. години
Иван Јованчевић (2024)Објекти одводњавања површинског копа морају поуздано обављати своју функцију, а да су при томе економични. Једна од функцијуа им је и да спрече доток површинских вода у радну контуру површинског копа, као и да воде које доспеју у радну контуру, прихвате и спроведу до водосабирника, а затим је одатле одстране ван радне контуре површинског копа. Овим завршним радом је сагледано постојеће стање система одводњавања површинских вода на површинском копу лигнита Дрмно у 2024. години, и дато по мом мишљењу једно ...... ŽıtFNR y 100/R C=-_——— ıo Kyrepy. 3.2.15 KoedQunujernr xpanaBocTru o,jpebyje ce y 3aBHCHOCTH OJL MaTepHjaJa OJL Kora je KaHajr HarpalbeH . Haje)HauaBabbeM JtecHe crpaHe o0panatma 3a Koe(binujeHT xpanaBocTH (no Kyrepy H Ba3any), no0uja ce cneneha 3aBHCHOCT: y =0,87*y-0,13/R , (3.2.16) TIIpEKO ...
... rne je: C - IIeaujeB KoeQ)HIHjeHT, R - xunpayanmuku pajuijyc. PexuM crpyJjabba 3aBHcH OJL TeuHOCTH, MbeHe rycTohe, cpenme Op3uHe crpyjabba (V) H npeuHMKa neBH (d). KapakrepHcrMKa pexHMa TOKGA MOXE CC INpHKa3aTH Oe3JUHMeH3HOHaJIHOM BCJIHUHHOM: V*q V*a R = = T (3.2.57) Koja ce 3oBe PejHo:icoB ...
... meXHOJIOM4AKU (Dakmoputi altaaaananananenee 2.2. Omac nocrojeher cratba 3anrrHTe KOma OJ HOBpIHHHCKHX BOJHa . ............. 3. CIIETIUMJAJIHH /JIEO .r nanaoaaaatakaket 3.1. KoHnennujcko pentebbe 3anrıTHTe KOIIa OJI IIOBDIHIHHCKHX BOJIA y 2025. ronHHM al aaoaoaaaaaaaaaaaaoaaaeaaaeaagaevt 3.2. Me ...Иван Јованчевић. Tехничко решење заштите површинског копа Дрмно од површинских вода у 2025. години, 2024
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Hronološki pregled razvoja površinske eksploatacije lignita u Srbiji
U ovom preglednom radu dat je istorijski pregled razvoja površinske eksploatacije lignita na teritoriji Srbije, uz kratak osvrt na geološki nastanak i kvalitet i rezerve uglja, kao i mogućnosti korišćenja za dalju upotrebu. Kolubarski, Kostolački i Kovinski ugljeni baseni lignita u Srbiji, ne računajući Kosovsko-Metohijski i Drenički u sastavu AP Kosovo i Metohija po Rezoluciji 1244 UN, su ležišta najrasprostranjenijeg uglja - lignita u Srbiji koji se eksploatiše od druge polovine 20. veka na velikom broju površinskih kopova ...Bojan Dimitrijević, Radmila Gaćina, Bogoljub Vučković. "Hronološki pregled razvoja površinske eksploatacije lignita u Srbiji" in XI Međunarodna konferencija ugalj i kritični mineral CCM 2023, Zlatibor, 11-14. oktobar 2023., Beograd : Jugoslovenski komitet za površinsku eksploataciju (2023)
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Analysis Of the Process Of Carbon Capture Utilization And Storage In Underground Reservoirs
John Nyame (2024)The importance of mitigating the effects of global climate change has necessitated an in-depth exploration of innovative strategies to reduce carbon dioxide (CO2) emissions. Among these strategies, Carbon Capture, Utilization, and Storage (CCUS) has emerged as a promising and transformative solution. This master thesis delves into the diverse realm of CCUS processes, aiming to unravel the positives challenges, and opportunities within this dynamic field. The analysis begins with a systematic examination of carbon capture technologies, encompassing post-combustion, pre-combustion, and oxy-fuel combustion ...... Boot-Handford, J. C. Abanades, E. J. Anthony, M. J. Blunt, S. Brandani, N. Mac Dowell, J. R. Fernandez, M.-C. Ferrari, R. Gross, J. P. Hallett, R. S. Haszeldine, P. Heptonstall, A. Lyngfelt, Z. Makuch, E. Mangano, R. T. J. Porter, M. Pourkashanian, G. T. Rochelle, N. Shah, J. G. Yao, P. S. Fennell, Energy ...
... Desouky, S. CO2 Miscible Flooding for Enhanced Oil Recovery. In Carbon Capture, Utilization and Sequestration; IntechOpen: London, UK, 2018. [65] Martin, F.D. and J. J. Taber, 1992: Carbon dioxide flooding. Journal of Petroleum Technology, 44(4), p396—400. [66] Oldenburg, C.M., S.H. Stevens and ...
... of a full-scale carbon capture, utilization and storage process in detail. 420 - 400 / 380 - 340 320 - a t m o s p h e r i c CO , (p ar ts pe r mi ll io n) 280 260 — T T U T T T T T T 1750 1780 1810 1840 1870 1900 1930 1960 1990 2020 year Figure 1.1 A clear case of ...John Nyame. Analysis Of the Process Of Carbon Capture Utilization And Storage In Underground Reservoirs, 2024
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Geotehnički uslovi rekonstrukcije Zavičajnog muzeja u Jagodini
Milan Tokanović (2024)U radu su prikazana geotehnička istraživanja za potrebe rekonstrukcije Zavičajnog muzeja Jagodina.Zavičajni muzej u ulici Kneginje Milice br.82 u Jagodini, ima ozbiljna oštećenja pojedinih delova konstrukcije koja su nastala na objektu tokom više od 80 godina eksploatacije.Kako bi se trajno rešio problem dinamičke stabilnosti i statičke održivosti konstruktivnog sistema objekta,neophodno je bilo definisanje geotehničkih uslova u zoni interakcije prirodne sredine i konstrukcije predmetnog objekta.Izvedena su terenska i laboratorijska ispitivanja na osnovu kojih su dobijene geotehničke podloge. Na osnovu dobijenih geotehničkih podloga ...geotehnička istraživanja, Zavičajni muzej, temelji, fundiranje, nosivost, sleganje, istražne jame, laboratorijska geomehanička ispitivanja, Jagodina... 0.650 |r a |ni o E 0.600 0 100 200 300 400 500 600 700 800 Vertikalno opterećenje o kPa 0.1 1 10 100 1000 10000 PoDAcI o UZORKU 0.0 ii c | | Spec.tež. , 2.68 Mg/mš | | ———---—–— - – ___ ______ ___ c=50 \ x E || Preč.probe R 7.14 cm = i | š | o=100 | Vis. probe h 2 cm -—— R— Š 0.5 j ...
... o | Q 0.600 o | fa |r G 0.550 ii o E 0.500 0 100 200 300 400 500 600 700 800 Vertikalno opterećenje o kPa 0.1 1 10 100 1000 10000 PoDAcI o UZORKU 0.0 Fi ; | Spec.tež. % 2.68 Mg/m3 ii — ___ _______________ _c=%0 | » E || Preč.probe R 7.14 cm = U–· H — r e - | · š | o=100 | Vis. ...
... 115 114 113 112 111 110 109 108 107 106 105 104 103 GEOTEHNIČKI PRESEK TERENA |-I' .100 1:250 OBJEKAT (111.20) — 550 K V A R T A R TE HN OG EN E LEGENDA: IZDVOJENE LITOLOŠKE JEDINICE n Nasuti materijal Deluvijalno-proluvijalni sedimenti OSTALE OZNAKE J-2 (111.10) ...Milan Tokanović. Geotehnički uslovi rekonstrukcije Zavičajnog muzeja u Jagodini, 2024
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Geotehnički efekti razaranja komunalnog otpada različitim postupcima zbijanja
Jovana M. Janković Pantić (2022)Odlaganje otpada na komunalne deponije predstavlja osnovni način zbrinjavanja otpada u Srbiji. Kako bi se prostor za deponovanje materijala racionalno koristio potrebno ga je svakodnevno zbijati sa unapred definisanom količinom vode koja se dodaje. Dobro zbijeni komunalni otpad zauzima manju zapreminu i omogućuje sigurnije skladištenje, pa je korisno prethodno laboratorijski odrediti parametre zbijanja: maksimalnu suvu zapreminsku težinu (dmax) i optimalnu vlažnost (wopt). U Srbiji do sada nisu određivani parametri zbijanja, dok je u svetu primenjivana standardna metoda (Proktorov opit) ...Jovana M. Janković Pantić. Geotehnički efekti razaranja komunalnog otpada različitim postupcima zbijanja, Beograd : [J. Janković Pantić], 2022
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Late Triassic radiolarians from the Grivska formation, internal Dinarides, SW Serbia
Paleontology, Stratigraphy, Economic Geology, Geochemistry and Petrology, Geology, Geophysics, Geotechnical Engineering and Engineering Geology... H., SUDAR, M.N., LEIN, R., JOVANoVIĆ, D. 2016. Triassic radiolarite and carbonate components from the Jurassic ophiolitic mćlange (Dinaridic Ophiolite Belt). Swiss Journal of Geosciences, 109, 3, 473–494. GAWLICK, H.-J., SUDAR, M.N., MIssoNi, S., SUZUKI, H., LEIN, R., JovANoOvIĆ, D. 2017 ...
... Cpouja), H3BpHIeHa Ccy /eTaJbHa MHKPOTaJIeOHTOJIOHIKa HCTpa)XkMBaHhba TFOpH0O- TpHjacKHX CHJIHIIHjCKHX CenHMeHaTa. Y panHoJIapHjcKHM acolHjanHjaMa R\OMHHHpajy curenehe Bpcre: Capnodoce anapetes DE WEVER, C. sarisa DE WEVER, Sarla hadrecaena (DE WeEvEr), Praehexasaturnalis tenuispinosus (DONOFRIO ...
... siscwaiensis (CARTER) of Western Europe (KoZUR, Monocapnuchosphaera sp. B sensu TEKIN, 1999 2003) and Zone Capnodoce Eptingiidae ? gen. et sp. indet. R crystallina of Eastern Russia .. Palaeosaturnalis sp. |-- J ” | m M | P | P | m P | = P | G O | P | G O | Q m | > (BRAciN, 2000). Praehe ...Nikita Bragin, Liubov Bragina, Nevenka Đerić, Nataša Gerzina-Spajić. "Late Triassic radiolarians from the Grivska formation, internal Dinarides, SW Serbia" in Geološki anali Balkanskoga poluostrva (2019). https://doi.org/10.2298/GABP1901017B
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Damage quantification of built stone on Dark Gate (Belgrade, Serbia): sample of damage index application for decay rate evaluation
The Dark Gate is the monument of culture, part of the cultural and historical complex of the Belgrade Fortress. It is constructed of limestone blocks that after 270 years of exposure to environmental conditions and different anthropogenic influences show wide ranges of decay forms. During 2007, detail registration of all built limestone microfacies and weathering forms was done using tools of monument mapping. A correlation scheme ‘‘intensity– damage category’’ was made according to the type, intensity, and distribution of ...... conserva- tion of stone: problems and trends, In: Kwiatkowski D, Lofvendahl R (ed) IOth International congress on deterioration and conservation of stone. Vol. I Preprints, I]OMOS Sweden, Elanders Gotab, pp 269-282 Martin B, Mason D, Teutonico JM et al (2002) Stone consolidants: brethane — a report ...
... tool for mapping of weathering forms for conservation purposes, as well as for assessing past treatments (Massa et al. 1991; Vergčs-Belmin 1992: Martin et al. 2002). However, glossaries alone do not provide methodology for damage quantification. In order to assess state of conservation of stone ...
... macroscopiche dei materiali lapidei: lessico” *Macroscopic alteration of stone materials : glossary” Comas Graphica, Rome Odgers D, Pinchin S, Martin B et al (2008) Investigations into decay mechanisms of magnesian limestone at Chapter house, Howden minster. In: Lukaszewicz J, Niemcewicz P (eds) ...Maja Franković, Nevenka Novaković, Vesna Matović. "Damage quantification of built stone on Dark Gate (Belgrade, Serbia): sample of damage index application for decay rate evaluation" in Environmental Earth Sciences, Springer Science and Business Media LLC (2015). https://doi.org/10.1007/s12665-014-3843-z
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Analiza softvera za projektovanje ESP sistema
Aleksandar Sredojević (2024)U momentu kada pritisak na dnu bušotine nije dovoljan da savlada ukupne gubitke pritisaka od dna bušotine do separatora, proizvodnja pomoću ležišne energije nije više moguća i bušotina prestaje sa eruptivnim radom. Kako bi ponovo omogućili proizvodnju fluida iz bušotine, potrebno je primeniti neke od mehaničkih metoda eksploatacije. Najprimenljivije mehaničke metode eksploatacije su: gas lift (GL), dubinske pumpe sa klipnim šipkama (SRP), električne uronjene centrifugalne pumpe (ESP), zavojne pumpe (PCP) i hidraulične pumpe (HP). Jadna od tih metoda koja ...električna centrifugalna pumpa (ESP), proizvodnja fluida, mehaničke metode eksploatacije, Prosper, Pipesim... _ ı_ o.zpplf— 0.8(0%7)z 3.3 qmax r p')" q - proizvodnja pri pritisku pwr, m*/dan dmax – maksimalna proizvodnja, m*/dan pr - prosečni ležišni pritisak, bar Pwr - dinamički pritisak na dnu bušotine, bar Pr it is ak di na mu čk i ı le ži šn i, ba r u i uuu uuu TIII NLJ BE IE E BE ...
... od strane proizvođača opreme (Gabor, T., 2018). 37 Efikasnost Po go ns ka sn ag a. k W o Ž Š 8 B |-a r o || š [ Va is in a po di za nj a( na po r) ,m Pogonska snaga Protok, mž/dan Slika 4-19: Kriva performanse pumpe (Gabor, T., 2018) Centrifugalne pumpe se testiraju ...
... curve | Varatle speed cuanve- BORETS - B400-500 116 mm - 0 mob| 167088 —__|m3/d - 1065215 ___|m3jd - d a mwob| || 7222 s - 00| DJ r - mob| E3 r - 274995 __ rom - d 360 - w| H| ri 1 2 %| š š | s| | | | »| | -165 155 Slika 6-14: Prikaz prozora za unos podataka za ...Aleksandar Sredojević. Analiza softvera za projektovanje ESP sistema, 2024
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Influence of paleoenvironmental conditions on distribution and relative abundance of saturated and aromatic hydrocarbons in sediments from the NW part of the Toplica basin, Serbia
Nikola Burazer, Aleksandra Šajnović, Nebojša Vasić, Milica Kašanin-Grubin, Dragana Životić, João Graciano Mendonça Filho, Predrag Vulić, Branimir Jovančićević (2020)Nikola Burazer, Aleksandra Šajnović, Nebojša Vasić, Milica Kašanin-Grubin, Dragana Životić, João Graciano Mendonça Filho, Predrag Vulić, Branimir Jovančićević. "Influence of paleoenvironmental conditions on distribution and relative abundance of saturated and aromatic hydrocarbons in sediments from the NW part of the Toplica basin, Serbia" in Marine and Petroleum Geology, Elsevier BV (2020). https://doi.org/10.1016/j.marpetgeo.2020.104252
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Molecular and Isotope Composition of Biomarkers in Immature Oil Shale and its Liquid Pyrolysis Products (Open and Closed System)
Gordana Gajica, Aleksandra Šajnovic, Jan Schwarzbauer, Aleksandar Kostić, Branimir Jovančićević, Ksenija Stojanović (2021)The molecular and isotopic composition of biomarkers in initial bitumen isolated from raw immature oil shale samples from the Lower Miocene Aleksinac Basin (Serbia) and liquid products (LPs) obtained by pyrolysis in open (OS) and closed systems (CS) are studied. The influence of pyrolysis type and variations of kerogen type on biomarkers composition and their isotopic signatures in LPs is determined. The molecular composition of the LPs from the OS pyrolysis is very similar to those in initial bitumen, independently ...... of C-atoms. In initial bitumen of raw samples, the distributions of steranes show domination of regular C27–C29 steranes with ααα(R) configuration. Steranes with βαα(R)-configuration, typical for immature diagenetic OM, are identified in the C27–C29 range, while ααα(S) steranes are represented by ...
... notably more mature sterane and hopane distributions, which are characterized by presence of thermodynamically more stable ααα(S), αββ(S) and αββ(R) steranes, βα- and αβ-diasteranes, neohopanes (C27Ts, C29Ts), the prevalence of αβ- over βα- hopane isomers, and dominance of 22S- relative to 22R epimers ...Gordana Gajica, Aleksandra Šajnovic, Jan Schwarzbauer, Aleksandar Kostić, Branimir Jovančićević, Ksenija Stojanović. "Molecular and Isotope Composition of Biomarkers in Immature Oil Shale and its Liquid Pyrolysis Products (Open and Closed System)" in 30th International Meeting on Organic Geochemistry (IMOG 2021), European Association of Geoscientists & Engineers (2021). https://doi.org/10.3997/2214-4609.202134040
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GIS Application Improvement with Multilingual Lexical and Terminological Resources
... References Richard, S.M., Matti, J., Soller, D.R., (2003). Geoscience terminology development for the National Geologic Map Database, in Soller, David R., ed., Digital Mapping Techniques ‘03—Workshop Proceedings, U. S. Geological Survey Open-File Report 03-471, p. 157-167. SEE (Solid Earth and ...
... au/twiki/bin/view/CGIModel/ GeoSciML. ISO (2009). TC211, Geographic Information/Geomatics. http://www.isotc211.org Blagojević B.,Trivić B., Stanković R. Banjac N., (2008). “Short note about implementation of Geologic information system of Serbia”, Zapisnici Srpskog geološkog društva za 2007. godinu ...
... Balkan Language Resources and Tools, Thessaloniki, Greece, November 2003, S. Piperidis, V. Karakaletsis (eds.), pp. 97-104. Krstev C., Stanković R., Vitas D., Obradović I., (2008) "The Usage of Various Lexical Resources and Tools to Improve the Performance of Web Search Engines", in Proceedings ...Ranka Stanković, Ivan Obradović, Olivera Kitanović. "GIS Application Improvement with Multilingual Lexical and Terminological Resources" in Proceedings of the 5th International Conference on Language Resources and Evaluation, LREC 2010, Valetta, Malta, May 2010, Valetta, Malta : European Language Resources Association (2010)
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Effects of Energy Production and Consumption on Air Pollution in Serbia
Marija Živković (2019)Energy production and combustion, mostly from unregulated or inefficient fuel combustion, are the single most important anthropogenic sources of air pollutant emissions. Energy sector in Serbia is highly fossil fuel intensive: 87.88% of energy consumed in Serbia is related to fossil fuels, while almost 95% of energy sources are combusted. In 2017. energy related carbon dioxide emission in Serbia is was 47.95 million tones. The main source of carbon dioxide emission was coal, responsible for almost 70% of energy ...... Chapter 5: Mexico Redact vo 2 = B16 ssn 4 Qa z& Q, Fill & Sign [BS send for Review More Tools > A Chapter 6: European a Union Biomass T r 1 cr r T r 7 io r T sa 7 > LJ Gaaaae 0% 50% 100% 0% 50% 100% 0% 50% 100% > A Chapter 8: India > [I Chapter 9: Southeast Notes: The most relevant fuels in terms ...
... sobe Acromat Reacer DCE TI a Cee File Edit View Window Help @ | Signin Home Tools. Key World 2018,pdf WorldEnergyOutlo... x &8H8aQ © © sum hk MOOm- R PiALEK Bookmaris) x energy-related PM emissions. In all cases, natural gas results in much lower emissions, as Search Savact Page El~ Bh there is an ...Marija Živković. "Effects of Energy Production and Consumption on Air Pollution in Serbia" in Mining and Environmental Protection-MEP 2019, University of Belgrade, Faculty of Mining and Geology (2019)
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Machine Learning and Deep Neural Network-Based Lemmatization and Morphosyntactic Tagging for Serbian
The training of new tagger models for Serbian is primarily motivated by the enhancement of the existing tagset with the grammatical category of a gender. The harmonization of resources that were manually annotated within different projects over a long period of time was an important task, enabled by the development of tools that support partial automation. The supporting tools take into account different taggers and tagsets. This paper focuses on TreeTagger and spaCy taggers, and the annotation schema alignment ...... org/communities/eltec/. 3961 Figure 7: Precision, recall and F1 measure per each tag and spaCy model SR 25 SR 50 SR 75 SR 100 F1 P R # F1 P R # F1 P R # F1 P R # ADJ .96 .96 .96 3856 .96 .96 .97 6769 .97 .96 .97 10326 .97 .97 .97 13692 ADP 1 1 .99 3010 1 1 1 5556 1 1 1 8401 1 1 1 11221 ADV .9 ...
... European Literary History, https://www.distant-reading.net/. 3956 PoS-tag UPoS SMD TT11 MTE ADJ ✓ ✓ A ✓ A ✓ A ADP ✓ ✓ PREP ✓ PREP ✓ S ADV ✓ ✓ ✓ ✓ R AUX ✓ ✕ * V+Aux ✕ V ✕ * V+a CCONJ ✓ ✕ * CONJ ✕ CONJ ✕ * C+c DET ✓ ✕ * ✕ ✓ D INTJ ✓ ✓ INT ✓ INT ✓ I N ✓ ✓ + ✓ + ✓ * N-p NUM ✓ ✓ ✓ - ✓ M PART ...
... “MISS” rep- resents the number of tokens that were not aligned with the corresponding token in the test set by the spaCy tokenizer. SR BASIC F1 P R # ADJ .91 .91 .92 1713 ADP .99 1 .99 1458 ADV .89 .89 .89 787 AUX .99 .99 .99 1235 CCONJ .94 .95 .94 838 DET .97 .98 .95 736 INTJ .5 .5 .5 4 NOUN ...Ranka Stanković, Branislava Šandrih, Cvetana Krstev, Miloš Utvić, Mihailo Škorić. "Machine Learning and Deep Neural Network-Based Lemmatization and Morphosyntactic Tagging for Serbian" in Proceedings of the 12th Language Resources and Evaluation Conference, May Year: 2020, Marseille, France, European Language Resources Association (2020)