Претрага
28 items
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In situ dehydration behavior of veszelyite (Cu,Zn)2Zn(PO4)(OH)3•2H2O: A single-crystal X-ray study
Danisi Rosa Micaela, Armbruster Thomas, Lazić Biljana, Vulić Predrag, Kaindl Reinhard, Dimitrijević Radovan, Kahlenberg Volker (2013)Danisi Rosa Micaela, Armbruster Thomas, Lazić Biljana, Vulić Predrag, Kaindl Reinhard, Dimitrijević Radovan, Kahlenberg Volker. "In situ dehydration behavior of veszelyite (Cu,Zn)2Zn(PO4)(OH)3•2H2O: A single-crystal X-ray study" in American Mineralogist 98 no. 5, Washington D.C. :Mineralogical Society of America (2013): 1261-1269. https://doi.org/10.2138/am.2013.4465
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Applying the Fuzzy Inference Model in Maintenance Centered to Safety: Case Study – Bucket Wheel Excavator
Predrag Jovančić, Miloš Tanasijević, Vladimir Milisavljević, Aleksandar Cvjetić, Dejan Ivezić, Uglješa Bugarić (2020)Predrag Jovančić, Miloš Tanasijević, Vladimir Milisavljević, Aleksandar Cvjetić, Dejan Ivezić, Uglješa Bugarić. "Applying the Fuzzy Inference Model in Maintenance Centered to Safety: Case Study – Bucket Wheel Excavator" in Applications and Challenges of Maintenance and Safety Engineering in Industry 4.0 , Pennsylvania : IGI Global (2020). https://doi.org/10.4018/978-1-7998-3904-0
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Vodosnabdevanje podzemnim vodama u Srbiji-stanje i perspektive
Dušan Polomčić, Zoran Stevanović, Petar Dokmanović, Petar Papić, Vesna Ristić-Vakanjac, Bojan Hajdin, Saša Milanović, Dragoljub Bajić (2011)... Prolom, 36. RAJ voda, 37. Rosa, 38. Soko - Orasje, 39. Sumadinka, 40. Tronosa, 41. Vila Aqua, 42. Vlasina, 43. VodaVoda, 44 Vrnjacko Vrelo, 45. Vrnjci (Borjak III), 46. Vrnjci (Sneznik), 47. Vujié Voda, 48. Zlatibor) 250 —— Knijaz Milos 200 —— BB Minaqua —+— Voda Vinjeci 150 —— Rosa —— Karadorde 100 —o— ...
... 27. Life Minaqua, 28. Minaqua, 29. Mivela, 30. Moja Voda, 31. Neva, 32. Odmenjska, 33. Odmenjska baby, 34. Premia, 35. Prolom, 36. RAJ voda, 37. Rosa, 38. Soko - Orašje, 39. Šumadinka, 40. Tronoša, 41. Vila Aqua, 42. Vlasina, 43. VodaVoda, 44. Vrnjacko Vrelo, 45. Vrnjci (Borjak III), 46. Vrnjci ...
... 200 250 2002 2003 2004 2005 2006 2007 2008 2009 2010 Godina P la sm a n v o d e u m il . li ta ra Knjaz Miloš BB Minaqua Voda Vrnjci Rosa ��������� Prolom voda Heba Voda voda � �� ���� Mivela Jazak Slika 8: Lokacije fabrika za flasiranje voda na teritoriji Republike Srbije (1 ...Dušan Polomčić, Zoran Stevanović, Petar Dokmanović, Petar Papić, Vesna Ristić-Vakanjac, Bojan Hajdin, Saša Milanović, Dragoljub Bajić. "Vodosnabdevanje podzemnim vodama u Srbiji-stanje i perspektive" in Naših 40 godina, Beograd : Rudarsko-geološki fakultet (2011): 49-77
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Overcoming the Low Oral Bioavailability of Deuterated Pyrazoloquinolinone Ligand DK-I-60-3 by Nanonization: A Knowledge-Based Approach
Jelena R. Mitrović , Branka Divović-Matović, Daniel E. Knutson, Jelena B. Ðoković, Aleksandar Kremenović, Vladimir D. Dobričić, Danijela V. Randjelović, Ivana Pantelić, James M. Cook, Miroslav M. Savić, Snežana D. Savić (2021)Poor water solubility of new chemical entities is considered as one of the main obstacles in drug development, as it usually leads to low bioavailability after administration. To overcome these problems, the selection of the appropriate formulation technology needs to be based on the physicochemical properties of the drug and introduced in the early stages of drug research. One example of the new potential drug substance with poor solubility is DK-I-60-3, deuterated pyrazoloquinolinone, designed for the treatment of various neuropsychiatric ...... ed Approach. Pharmaceutics 2021, 13, 1188. https://doi.org/10.3390/ pharmaceutics13081188 Academic Editors: Francesco Lai, Michele Schlich and Rosa Pireddu Received: 18 June 2021 Accepted: 29 July 2021 Published: 31 July 2021 Publisher’s Note: MDPI stays neutral with regard to jurisdictional ...
... this Academic Editors: Francesco Lai, research, based on preformulation studies, nanocrystal technology was chosen to improve the Michele Schlich and Rosa Pireddu oral bioavailability of DK-I-60-3. Nanocrystal dispersions stabilized by sodium lauryl sulfate and polyvinylpyrrolidone were prepared by modified ...Jelena R. Mitrović , Branka Divović-Matović, Daniel E. Knutson, Jelena B. Ðoković, Aleksandar Kremenović, Vladimir D. Dobričić, Danijela V. Randjelović, Ivana Pantelić, James M. Cook, Miroslav M. Savić, Snežana D. Savić. "Overcoming the Low Oral Bioavailability of Deuterated Pyrazoloquinolinone Ligand DK-I-60-3 by Nanonization: A Knowledge-Based Approach" in Pharmaceutics, MDPI, Basel, Switzerland (2021). https://doi.org/10.3390/pharmaceutics13081188
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Structural and geochronological constraints from the Drina-Ivanjica thrust sheet (Western Serbia): implications for the Cretaceous–Paleogene tectonics of the Internal Dinarides
Kristof Porkoláb, Szilvia Kövér, Zsolt Benkó, Gabor Héja, Melinda Fialowski, Balázs Soós, Nataša Gerzina Spajić, Nevenka Đerić, László Fodor (2019)Internal Dinarides, Drina-Ivanjica thrust sheet, Deformation history, K–Ar dating, Obduction, Structural analysis... Kubat et al. 1976; Brkovic et al. 1977; Mojsilovic et al. 1977; Olujic and Karovic 1986; Osnovna Geološka Karta SFRJ) and Chiari et al. (2011). b Rose (conglomerates and sandstones) that grade into a mixed siliciclastic-carbonate marine succession in the upper part. The Middle Triassic exhibits ...
... Albian - Camp. Paleozoic diagram of the strike of F, fold axis orientation. Number of measured data for each azimuth slice is indicated. c Rose diagram of the strike of F fold axis orientation. Number of measured data for each azimuth slice is indicated. d Simplified stratigraphic column ...Kristof Porkoláb, Szilvia Kövér, Zsolt Benkó, Gabor Héja, Melinda Fialowski, Balázs Soós, Nataša Gerzina Spajić, Nevenka Đerić, László Fodor. "Structural and geochronological constraints from the Drina-Ivanjica thrust sheet (Western Serbia): implications for the Cretaceous–Paleogene tectonics of the Internal Dinarides" in Swiss Journal of Geosciences (2019)
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Development and Evaluation of Three Named Entity Recognition Systems for Serbian - The Case of Personal Names
In this paper we present a rule- and lexicon-based system for the recognition of Named Entities (NE) in Serbian news paper texts that was used to prepare a gold standard annotated with personal names. It was further used to prepare training sets for four different levels of annota tion, which were further used to train two Named Entity Recognition (NER) sys tems: Stanford and spaCy. All obtained models, together with a rule- and lexicon based system were evaluated on ...... comparaison de deux fichiers de textes annotés. Université Paris-Est Marne-la-Vallée, l‘Institut Gaspard-Monge, https//github.com/fyh828/gemini. Jenny Rose Finkel and Christopher D. Manning. 2009. Nested Named Entity Recognition. In Proceed- ings of the 2009 Conference on Empirical Methods in Natural Language ...Branislava Šandrih, Cvetana Krstev, Ranka Stanković. "Development and Evaluation of Three Named Entity Recognition Systems for Serbian - The Case of Personal Names" in Proceedings - Natural Language Processing in a Deep Learning World, Incoma Ltd., Shoumen, Bulgaria (2019). https://doi.org/10.26615/978-954-452-056-4_122
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Stratigraphic implications of the Mio-Pliocene geodynamics in the area of Mt. Avala: new evidence from Torlak Hill and Beli Potok (Belgrade, Serbia)
Mt. Avala is located on the southern margin of the Pannonian basin (SPB), a border zone between the uplifted morphostructures of the Dinarides and Carpathian-Balkanides. Similar to the Pannonian basin, tectonostratigraphic evolution of the Mt. Avala area during the last 23 Ma has is characterized by syn- and post-rifting processes as well as tectonic inversion. Here, we present the results of field investigations of the Miocene‒Pliocene dynamics that led to different spatial positions of the same stratigraphic units (e.g. ...... area were taken from the aforementioned references. Recognized structures were measured as line seg- ments of given length (~ 2km) and plotted on a rose diagram (Fig. 17b). The statistical interpretation of the linear features (ori- entation of river valleys, changes of slope angles, and sharp turns ...
... broader study area. Main faults and neotectonic units separated according to MAROVIĆ & KNEŽEVIĆ (1985), TOLJIĆ (1996) and MAROVIĆ et al. (2007); b) Rose diagram plotted from the map of linear structures. Measurements of the orientation of fault traces were based on linear lengths of approximately 2 ...Ljupko Rundić, Meri Ganić, Slobodan Knežević, Dejan Radivojević, Miloš Radonjić. "Stratigraphic implications of the Mio-Pliocene geodynamics in the area of Mt. Avala: new evidence from Torlak Hill and Beli Potok (Belgrade, Serbia)" in Geologia Croatica (2019). https://doi.org/10.4154/gc.2019.11
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Rock slope stability analysis under Hoek–Brown failure criterion with different flow rules
The stability analysis of homogeneous rock slope following the Hoek–Brown failure criterion under the hypothesis of different flow rules is performed based on limit equilibrium and finite element methods. The applied failure criterion is the generalized Hoek–Brown that can be introduced as a shear/normal function in analysis applying different flow rules. The results are compared with those obtained by the application of equivalent shear strength parameters of the Mohr–Coulomb criterion, considering that this is still the most widely used ...Kružna klizna površ, Huk-Braunov kriterijum loma, Kriterijum popuštanja, Smičuća/normalna funkcija, Nivo napona, Verovatnoća i parametarska analizaSvetlana Melentijević, Zoran Berisavljević, Dušan Berisavljević, Claudio Olalla Marañón . "Rock slope stability analysis under Hoek–Brown failure criterion with different flow rules" in Bulletin of Engineering Geology and the Environment , Springer (2024). https://doi.org/10.1007/s10064-024-03667-0
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Composition of organic matter and thermal maturity of Mesozoic and Cenozoic sedimentary rocks in East Herzegovina (External Dinarides, Bosnia and Herzegovina)
This paper presents the first data on the organic matter and thermal maturity of Mesozoic and Cenozoic sedimentary rocks in the East Herzegovina region of the External Dinarides. Representative, organic-rich samples from outcropping sedimentary rocks of different ages in the area (Triassic to Neogene) were selected and analysed. The organic matter was studied by Rock-Eval pyrolysis and under the microscope in reflected non-polarized light and incident blue light. The results obtained show the presence of different types of organic ...... Mastalerz, M., Menezes, R. T., Newman, J., Oikonomopoulos, K. I., Pawlewicz, M., Pickel, W., Potter, J., Ranasinghe, P., Read, H., Reyes, J., De La Rosa Rodriguez, G., Viegas Alves Fernandes de Souza, I., Suarez- Ruiz, I., Sykorova, I. & Valentine, J. B., 2015. Standardization of re�ectance measurements ...
... Mastalerz, M., Menezes, R. T., Newman, J., Oikonomopoulos, K. I., Pawlewicz, M., Pickel, W., Potter, J., Ranasinghe, P, Read, H., Reyes, J., De La Rosa Rodriguez, G., Viegas Alves Fernandes de Souza, I., Suarez- Ruiz, L., Sykorova, I. & Valentine, J. B., 2015. Standardization of reflectance measurements ...Nikoleta Aleksić, Aleksandar Kostić, Miloš Radonjić. "Composition of organic matter and thermal maturity of Mesozoic and Cenozoic sedimentary rocks in East Herzegovina (External Dinarides, Bosnia and Herzegovina)" in Annales Societatis Geologorum Poloniae (2021). https://doi.org/10.14241/asgp.2021.16
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A comparative study of the molecular and isotopic composition of biomarkers in immature oil shale (Aleksinac deposit, Serbia) and its liquid pyrolysis products (open and closed systems)
Gordana Gajica, Aleksandra Šajnović, Ksenija Stojanović, Jan Schwarzbauer, Aleksandar Kostić, Branimir Jovančićević (2021)The molecular and isotopic composition of biomarkers in initial bitumen isolated from immature (0.41% Rr) oil shale samples (Aleksinac deposit) and liquid products obtained by pyrolysis in open (OS) and closed (CS) systems are studied. The influence of pyrolysis type and variations of kerogen type on biomarkers composition and their isotopic signatures in liquid products is determined. The applicability of pyrolysis type, numerous biomarkers and carbon isotopic compositions (δ13C) of n-alkanes in liquid pyrolysates is established. Pyrolysis experiments were ...Uljni šejl, Aleksinac, organska supstanca, otvoreni i zatvoreni sistem pirolize, biomarkeri, izotopski sastav ugljjenikaGordana Gajica, Aleksandra Šajnović, Ksenija Stojanović, Jan Schwarzbauer, Aleksandar Kostić, Branimir Jovančićević. "A comparative study of the molecular and isotopic composition of biomarkers in immature oil shale (Aleksinac deposit, Serbia) and its liquid pyrolysis products (open and closed systems)" in Marine and Petroleum Geology, Elsevier BV (2021). https://doi.org/10.1016/j.marpetgeo.2021.105383
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Photocatalytic Activity of the V2O5 Catalyst toward Selected Pharmaceuticals and Their Mixture: Influence of the Molecular Structure on the Efficiency of the Process
Sanja J. Armaković, Aleksandra Jovanoski Kostić, Andrijana Bilić, Maria M. Savanović, Nataša Tomić, Aleksandar Kremenović, Maja Šćepanović, Mirjana Grujić-Brojčin, Jovana Ćirković, Stevan Armaković (2023)Due to the inability of conventional wastewater treatment procedures to remove organic pharmaceutical pollutants, active pharmaceutical components remain in wastewater and even reach tap water. In terms of pharmaceutical pollutants, the scientific community focuses on -blockers due to their extensive (over)usage and moderately high solubility. In this study, the photocatalytic activity of V2O5 was investigated through the degradation of nadolol (NAD), pindolol (PIN), metoprolol (MET), and their mixture under ultraviolet (UV) irradiation in water. For the preparation of V2O5, facile ...DFT analysis, metoprolol, nadolol, nanomaterial characterization, photocatalysis, pindolol, β-blocker... sample with blue (MB) were found to be 79%, 67%, and the V/AI ratio of 1:1 31%, respectively Ultrasound-assisted ; After 150 min V»Os nanoparticles Rose Bengal dye (RB) Solar light degradation of RB was around 99% a -l Chemical precipitation from ammonium metavanadate using, NKOR ". No contribution ...Sanja J. Armaković, Aleksandra Jovanoski Kostić, Andrijana Bilić, Maria M. Savanović, Nataša Tomić, Aleksandar Kremenović, Maja Šćepanović, Mirjana Grujić-Brojčin, Jovana Ćirković, Stevan Armaković. "Photocatalytic Activity of the V2O5 Catalyst toward Selected Pharmaceuticals and Their Mixture: Influence of the Molecular Structure on the Efficiency of the Process" in Molecules, MDPI AG (2023). https://doi.org/10.3390/molecules28020655
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Osnovi hidrogeologije
Petar Dokmanović (2021)... se u svim pravcima. U zemljište prodire iz atmosfere, ili se, formira pri isparavanju vlage iz zemljišta i stena. Pri hlađenju zemljišta, do tačke rose i niže, vodena para kondenzuje, dajući fizički vezanu ili slobodnu (gravitacionu) vodu. Debljina sloja vodene pare u zemljištu najčešće ne prelazi ...
... (nepogoda) sa konvergencijom u vazdušnoj masi i izdizanjem velikih masa toplog i vlažnog vazduha do većih visina, gde se rashlađuju do ispod tačke rose. Za stvaranje padavina treba da postoji i dovoljno kondenzacionih jezgara (higroskopske čestice, joni, prašina), da bi oko njih sitne kapi formirale ...
... urbanizacija i dr. Padavine se mogu formirati (kondenzovati) i neposredno na zemljinoj površini ili na pojedinim predmetima I objektima. Ovde spadaju: rosa, slana i inje. U padavine koje se obrazuju u atmosferi spadaju: kiša, sneg, susnežica, ledena kiša, krupa i grad. Merenje količine padavina. Pomoću ...Petar Dokmanović. Osnovi hidrogeologije, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet, 2021
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Late and post-collisional tectonic evolution of the Adria-Europe suture in the Vardar Zone
The Vardar Zone is a product of the Triassic-Jurassic opening of the Neotethys, Jurassic obduction, Late Cretaceous/Paleogene consumption of the oceanic crust and continental collision. During the last process, the Eastern Vardar Zone was thrust over the Central and eventually both onto the Western Vardar Zone. The present paleomagnetic and structural study provided new results from the first two zones in the Belgrade area. The younger set of data, together with published ones from the third zone, provide firm ...Emő Márton, Marinko Toljić, Vesna Cvetkov. "Late and post-collisional tectonic evolution of the Adria-Europe suture in the Vardar Zone" in Journal of Geodynamics, Elsevier BV (2022). https://doi.org/10.1016/j.jog.2021.101880
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Regionalno-geološke karakteristike miocenskih sedimenata na prostoru severnog Banata
Dejan N. Radivojević (2014-12-30)Predmet doktorske disertacije predstavljalo je rešavanje strukturno‐stratigrafskihodnosa miocenskih sedimenata na prostoru severnog Banata. U cilju regionalnogsagledavanja, korišćeni su svi raspoloživi geofizički i geološki podaci sa širegistražnog područja, odnosno iz celog Panonskog basena i susednog orogena. Osimklasičnih metoda primenjene su i savremene metode seizmostratigrafije,tektonostratigrafije i riftne sekvencione stratigrafije. Primenjene metode omogućilesu izradu modela progradacije ivice šelfa za ceo Panonski basen, modela uzajamnihveza između basena i geodinamičkog modela jugoistočnog oboda basena.Jezero Panon je većim delom zapunjeno prilivom sedimenata paleo‐Dunavom saseverozapada, odnosno ...Centralni Paratetis, Panonski basen, miocen, jezero Panon,seizmostratigrafija, sekvenciona stratigrafija, paleogeografija, geodinamika... novog pleja. Dijagram distribucije veličine polja (field size distribution diagram) sumira broj polja povezan sa različitim veličinama polja (Rose et al, 1992). Distribucija veličine polja u basenu, u ciklusu basena, na nivou pleja i samom pleju u idelanim uslovima se približava log normalnoj ...
... le Miocene boundary) in Austria (Central Literatura 157 Paratethys), Courier Forschungsinstitut Sencke‐ nberg, v. 237, p. 47–67. Rose, P. R., 1992, Chance of success and its use in petroleum exploration. In: Steinmetz, R. (Ed.), The business of petroleum exploration. American ...
... differences to the Eastern Alps, Austrian J. Earth Sci., v. 102, p. 133–145. Seghedi, I., H. Downes, A. Szakacs, P. R. D. Mason, M. F. Thirlwall, E. Rosu, Z. Pecskay, E. Marton, and C. Panaiotu, 2004, Neogene‐Quaternary magmatism and geodynamics in the Carpathian‐Pannonian region: a synthesis ...Dejan N. Radivojević. "Regionalno-geološke karakteristike miocenskih sedimenata na prostoru severnog Banata" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2014-12-30)
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Atmospheric exposure vs burying: influences on damage intensity of built-in kersantite in the monument of the Small Staircase (Belgrade, Serbia)
Proučavan je efekat „zatrpanog kamena“ na intenzitet procesa degradacije prisutnih na kersantitu koji je ugrađen u spomenik Malo stepenište. Istraživanja su vršena na uzorcima stene iz kamenoloma i na oštećenim kamenim blokovima ugrađenim u spomenik. Dok su neki delovi stepeništa bili pod zemljom 90 godina, većina kamenih elemenata je bila izložena različitim uslovima sredine i antropogenim uticajima. Urađeno je detaljno mapiranje trenutnog stanja spomenika kako bi se istražio uticaj “zatrpavanja” i kompleksne geometrije spomenika na tip propadanja i variranje ...Nevenka Novaković, Predrag Dabić, Vesna Matović. "Atmospheric exposure vs burying: influences on damage intensity of built-in kersantite in the monument of the Small Staircase (Belgrade, Serbia)" in Environmental Earth Sciences, Springer Science and Business Media LLC (2023). https://doi.org/10.1007/s12665-023-10794-6
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Српски језик у дигиталном добу -- The Serbian Language in the Digital Age
Duško Vitas, Ljubomir Popović, Cvetana Krstev, Ivan Obradović, Gordana Pavlović-Lažetić, Mladen Stanojević (2012)... Analysis Semantic Analysis Task-specific Modules Output 6: A typical text processing architecture ‚ Divio se Ruži. [He admired Rose.] ‚ Divio se ruži. [He admired the rose.] is type of analysis either needs to draw on language- specific grammars laboriously coded into the soware by experts, or on ...Duško Vitas, Ljubomir Popović, Cvetana Krstev, Ivan Obradović, Gordana Pavlović-Lažetić, Mladen Stanojević. "Српски језик у дигиталном добу -- The Serbian Language in the Digital Age" in META-NET White Paper Series, G. Rehm, H. Uszkoreit (eds.), Springer (2012)
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Surface functional groups and degree of carbonization of selected chars from different processes and feedstock
Marija Ilić, Franz-Hubert Haegel, Aleksandar Lolić, Zoran Nedić, Tomislav Tosti, Ivana Sredović Ignjatović, Andreas Linden, Nicolai D. Jablonowski, Heinrich Hartmann (2022)The knowledge ofthe structural and chemical properties of biochars is decisive for their application as technical products. For this reason, methods for the characterization of biochars that are generally applicable and allow quality control are highly desired. Several methods that have shown potential in other studies were used to investigate two activated carbons and seven biochars from different processes and feedstock. The chars were chosen to cover a wide range of chemical composition and structural properties as a hardness ...Biougalj, različiti procesi dobijanja, različite sirovine, površinski aktivne grupe, x-ray, FT-IR,XPS... volatile organic compounds on biochar. Chemosphere. 2011; 85: 869—882. http://dx.doi.org/10. 1016/j.chemosphere.2011.06.108. Ferraro G, Pecori G, Rosi L, Bettucci L, Fratini E, Casini D, et al. Biochar from lab-scale pyrolysis: influ- ence of feedstock and operational temperature. Biomass Convers ...Marija Ilić, Franz-Hubert Haegel, Aleksandar Lolić, Zoran Nedić, Tomislav Tosti, Ivana Sredović Ignjatović, Andreas Linden, Nicolai D. Jablonowski, Heinrich Hartmann. "Surface functional groups and degree of carbonization of selected chars from different processes and feedstock" in PLOS ONE (2022). https://doi.org/10.1371/journal.pone.0277365
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Understanding partitioning of deformation in highly arcuate orogenic systems: Inferences from the evolution of the Serbian Carpathians
Nemanja Krstekanić, Liviu Matenco, Marinko Toljić, Oleg Mandić, Uroš Stojadinović, Ernst Willingshofer (2020)... al., 2014; Li and Rosenbaum, 2014; Lonergan and White, 1997; Mattei et al., 2017; Meijers et al., 2010; Mortimer, 2014; Pastor-Galán et al., 2015; Rose- nbaum, 2012, 2014; Torres Carbonell et al., 2016; Vergés and Fernàn- dez, 2012; Xiao et al., 2018). These studies have demonstrated that the formation ...Nemanja Krstekanić, Liviu Matenco, Marinko Toljić, Oleg Mandić, Uroš Stojadinović, Ernst Willingshofer. "Understanding partitioning of deformation in highly arcuate orogenic systems: Inferences from the evolution of the Serbian Carpathians" in Global and Planetary Change, Elsevier BV (2020). https://doi.org/10.1016/j.gloplacha.2020.103361
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Mineralni i hemijski sastav čestica u atmosferi zone Kolubarskog basena i uticaj na životnu sredinu
Željko R. Cvetković (2013-11-18)Čestice iz vazduha su prikupljane u blizini termoelektrane i površinskih kopovarudnika uglja u Kolubarskom basenu. Izmereni srednji sadržaji koncentracija rastvornih,nerastvornih i ukupnih taložnih materija na godišnjem nivou prelaze 200 mg/m2dan (K-1, K-3, K-4, K-5). Distribucija čestica na svim lokacijama klasifikovana je na česticeveličine veće od 10 μm, zatim na čestice veličine od 10 μm do 2,5 μm i klase česticaveličine ispod 2,5 μm. Ovakva podela je dala odnos koncentracija inhalatornih irespiratornih čestica po mernim mestima. Skenirajuća elektronska mikroskopija jepokazala ...mineral, četica, prašina, leteći pepeo, aerosediment, PM10, teški metali,koncentracija, veličina čestice, Kolubara... Hemijski sastav rose je drugačiji od sastava kišnih kapi. To je zato što ona nastaje kondezacijom vodene pare iz vazduha u kontaktnom sloju sa lišćem i drugim hladnim površinama, tako da na njen sastav utiču supstance sa tih površina koje se u njoj rastvaraju. Tako, rosa na lišću biljaka može ...
... okeana 38,0*1016 kg godišnje. Posmatrano globalno, godišnje se ista količina vode vraća na površinu Zemlje (kopno i okean zajedno) u obliku kiše, rose, snega ili leda, koliko je isparilo (oko 73 cm m-2 ili 0,2 cm m-2 dnevno). Vodeni bilans neke zemlje predstavlja vrlo značajnu ekonomsku kategoriju ...
... može da sadrži više kalijuma i kalcijuma, kao i organskih supstanci, koji su se sa površine lišća rastvorili u rosi. 4.7.6. Čestice aerosoli i prašine U atmosferi se nalaze suspendovane brojne čestice (čvrste i tečne), koje se javljaju u različitim oblicima, veličina i hemijskog sastava ...Željko R. Cvetković. "Mineralni i hemijski sastav čestica u atmosferi zone Kolubarskog basena i uticaj na životnu sredinu" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2013-11-18)
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Mineralni i hemijski sastav čestica u atmosferi zone Kolubarskog basena i uticaj na životnu sredinu
Željko R. Cvetković (2013-11-18)Čestice iz vazduha su prikupljane u blizini termoelektrane i površinskih kopovarudnika uglja u Kolubarskom basenu. Izmereni srednji sadržaji koncentracija rastvornih,nerastvornih i ukupnih taložnih materija na godišnjem nivou prelaze 200 mg/m2dan (K-1, K-3, K-4, K-5). Distribucija čestica na svim lokacijama klasifikovana je na česticeveličine veće od 10 μm, zatim na čestice veličine od 10 μm do 2,5 μm i klase česticaveličine ispod 2,5 μm. Ovakva podela je dala odnos koncentracija inhalatornih irespiratornih čestica po mernim mestima. Skenirajuća elektronska mikroskopija jepokazala ...mineral, četica, prašina, leteći pepeo, aerosediment, PM10, teški metali,koncentracija, veličina čestice, Kolubara... Hemijski sastav rose je drugačiji od sastava kišnih kapi. To je zato što ona nastaje kondezacijom vodene pare iz vazduha u kontaktnom sloju sa lišćem i drugim hladnim površinama, tako da na njen sastav utiču supstance sa tih površina koje se u njoj rastvaraju. Tako, rosa na lišću biljaka može ...
... okeana 38,0*1016 kg godišnje. Posmatrano globalno, godišnje se ista količina vode vraća na površinu Zemlje (kopno i okean zajedno) u obliku kiše, rose, snega ili leda, koliko je isparilo (oko 73 cm m-2 ili 0,2 cm m-2 dnevno). Vodeni bilans neke zemlje predstavlja vrlo značajnu ekonomsku kategoriju ...
... može da sadrži više kalijuma i kalcijuma, kao i organskih supstanci, koji su se sa površine lišća rastvorili u rosi. 4.7.6. Čestice aerosoli i prašine U atmosferi se nalaze suspendovane brojne čestice (čvrste i tečne), koje se javljaju u različitim oblicima, veličina i hemijskog sastava ...Željko R. Cvetković. "Mineralni i hemijski sastav čestica u atmosferi zone Kolubarskog basena i uticaj na životnu sredinu" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2013-11-18)