41. Photothermal infrared radiometry and thermoreflectance - unique strategy for thermal transport characterization of nanolayersAnkur Chatterjee, Mohanachandran Nair Sindhu Swapna, Ameneh Mikaeeli, Misha Khalid, Dorota Korte, Andreas D. Wieck, Michal Pawlak, 2024, original scientific article Keywords: thermoreflectance, thermal anisotropy, photothermal radiometry, frequency domain thermoreflectance (FDTR)
Published in RUNG: 28.10.2024; Views: 229; Downloads: 0
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42. Prospects for a survey of the galactic plane with the Cherenkov Telescope ArrayK. Abe, Saptashwa Bhattacharyya, Judit Pérez Romero, Samo Stanič, Veronika Vodeb, Serguei Vorobiov, Gabrijela Zaharijas, Danilo Zavrtanik, Marko Zavrtanik, Miha Živec, 2024, original scientific article Abstract: Approximately one hundred sources of very-high-energy (VHE) gamma rays are known in the Milky Way, detected with a combination of targeted observations and surveys. A survey of the entire Galactic Plane in the energy range from a few tens of GeV to a few hundred TeV has been proposed as a Key Science Project for the upcoming Cherenkov Telescope Array Observatory (CTAO). This article presents the status of the studies towards the Galactic Plane Survey (GPS). We build and make publicly available a sky model that combines data from recent observations of known gamma-ray emitters with state-of-the-art physically-driven models of synthetic populations of the three main classes of established Galactic VHE sources (pulsar wind nebulae, young and interacting supernova remnants, and compact binary systems), as well as of interstellar emission from cosmic-ray interactions in the Milky Way. We also perform an optimisation of the observation strategy (pointing pattern and scheduling) based on recent estimations of the instrument performance. We use the improved sky model and observation strategy to simulate GPS data corresponding to a total observation time of 1620 hours spread over ten years. Data are then analysed using the methods and software tools under development for real data. Under our model assumptions and for the realisation considered, we show that the GPS has the potential to increase the number of known Galactic VHE emitters by almost a factor of five. This corresponds to the detection of more than two hundred pulsar wind nebulae and a few tens of supernova remnants at average integral fluxes one order of magnitude lower than in the existing sample above 1 TeV, therefore opening the possibility to perform unprecedented population studies. The GPS also has the potential to provide new VHE detections of binary systems and pulsars, to confirm the existence of a hypothetical population of gamma-ray pulsars with an additional TeV emission component, and to detect bright sources capable of accelerating particles to PeV energies (PeVatrons). Furthermore, the GPS will constitute a pathfinder for deeper follow-up observations of these source classes. Finally, we show that we can extract from GPS data an estimate of the contribution to diffuse emission from unresolved sources, and that there are good prospects of detecting interstellar emission and statistically distinguishing different scenarios. Thus, a survey of the entire Galactic plane carried out from both hemispheres with CTAO will ensure a transformational advance in our knowledge of Galactic VHE source populations and interstellar emission.
Keywords: very-high-energy gamma rays, Cherenkov Telescope Array Observatory, CTAO Galactic Plane Survey, galactic cosmic rays, pulsar wind nebulae, supernova remnants, galactic PeVatrons, binary systems, diffuse emission
Published in RUNG: 28.10.2024; Views: 231; Downloads: 0
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43. La letteratura slovena prodotta in Italia in un contesto interculturale : l'esempio di GoriziaAna Toroš, 2023, independent scientific component part or a chapter in a monograph Abstract: The article presents a brief account of Slovene literature in the territory of present-day Friuli Venezia Giulia in Italy. The central part of the article focuses on the literature of Gorizia authors about Gorizia, as literature in a distinctly intercultural context. To this end, some literary works spatially located in the city of Gorizia and written in four different languages - Slovene, Italian, Friulian and German - are examined in more detail, looking for their spatial and ideological overlaps.
Keywords: Gorizia, A. Gradnik, S. Gregorčič, F. Bevk, C. Macor, C. R. Michestaedter, F. K. Zimmermann, Ivo Volkmar
Published in RUNG: 25.10.2024; Views: 257; Downloads: 0
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44. Ivo Andrić in SlovenkeDarko Ilin, 2023, published scientific conference contribution Abstract: V prvem delu članka je predstavljena Andrićeva reprezentacija Slovenk v potopisnem in esejističnem diskurzu v ZNAMENJU OB POTI (ZNAKOVI PORED PUTA, 1976) in tekstu O POČITNICAH V SLOVENIJI (O LETOVANJU U SLOVENIJI, 1981). Njegovi opisi slovenske ženske so analizirani z vidika študijev spolov in ženskih podob v cilju razumevanja pomena izpostavljenih značilnosti Andrićevih Slovenk. Drugi del članka je posvečen povezanosti Iva Andrića z ženskami slovenskega literarnega sistema. Poudarjeno je nekaj ključnih točk, kot so Andrićev prevod Vide Jeraj v srbohrvaščino, njegovo pismo ob smrti Zofke Kveder ter odzivi Mire Mihelič in Zlate Vokač na njegovo delo.
Keywords: recepcija, reprezentacija žensk, srbski književniki
Published in RUNG: 25.10.2024; Views: 195; Downloads: 0
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45. Nickel-decorated ZnO nanoparticles for effective solar reduction of hexavalent chromium and removal of selected pharmaceuticalsMiha Ravbar, Ksenija Maver, Tilen Knaflič, Iztok Arčon, Nataša Novak Tušar, Urška Lavrenčič Štangar, Andraž Šuligoj, 2025, original scientific article Abstract: The efficient visible light driven photocatalytic reduction of hexavalent chromium, Cr(VI) was demonstrated using ZnO nanoparticles (NPs) decorated with oxo-clusters of transition metals. The ZnO NPs were synthesized by a facile one-pot solvothermal synthesis followed by a fast microwave-assisted (MW) grafting of transition metals on the surface of NPs. Nickel was found to be the most active transition metal for photocatalytic activity as demonstrated by reduction of Cr(VI) to Cr(III). The optimally grafted samples contained 0.5 wt% Ni and increased photocatalytic activity by almost one-fold. The oxo-clusters did not enter the lattice of ZnO but rather resided on the surface and their efficient bonding to the ZnO surface was proved by Raman, TEM and X-Ray absorption techniques. Influence of MW power was studied and shown that excessive power load leads to formation of elongated structures of ZnO which decreases the photocatalytic activity. It was demonstrated by measuring fluorescent radical products that electrons, efficiently transferred via oxygen, were the main active species in combination with the unchanged oxidation power of holes and • OH in the grafted samples. The applicability of the materials was tested in immobilized plug flow photoreactor system degrading five pharmaceuticals simultaneously where their long-term use was shown.
Keywords: Zinc oxide, Pharmaceuticals, Grafting, Cr(VI), Zn XANES, Zn EXAFS
Published in RUNG: 24.10.2024; Views: 241; Downloads: 3
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46. Življenje sužnjev v obdobju starega Rima ter njihove omembe na epigrafskih spomenikih v provincialnem mestu Celeja : diplomsko deloLuka Podgornik, 2024, undergraduate thesis Abstract: Delo zavzema raziskovanje suženjskega vsakdana v času starega Rima ter omembe sužnjev na epigrafskih spomenikih v nekdanjem rimskem provincialnem mestu Celeja.
Rimsko cesarstvo je bilo v svojem času zelo razvito, zato so rimski voditelji iz dneva v dan želeli več, tako v razvitosti kot tudi pri geografski širitvi. Ker pa je bilo idej veliko, delovne sile, ki bi jih uresničila pa ne, so v Rimu začeli uveljavljati družbenogospodarsko ureditev, ki je danes poznana pod terminom suženjstvo.
Keywords: diplomske naloge, obdobje starega Rima, suženjstvo, suženjska dela, gladiatorji, gladiatorske šole, Kolosej, krščanstvo, epigrafski spomeniki, Celeia
Published in RUNG: 24.10.2024; Views: 176; Downloads: 4
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47. Vpliv uporabe različnih hrastovih trsk na aromatične značilnosti vina Rebula : diplomski seminarUroš Kurent, Lorena Butinar, 2024, research project (high school) Abstract: V grozdju sorte 'Rebula' (Vitis vinifera L.) nekateri vinarji odkrivajo vedno večji potencial, vendar so poleg osnovne surovine (grozdja) za končno kakovost pomembni tudi primerno izbrani in izpeljani postopki vinifikacije ter zorenja vina. Z različnimi tehnološkimi pristopi pred in med alkoholno fermentacijo lahko bistveno vplivamo na končno aromatično kakovost vina. Na aromatični potencial vina pa lahko vplivamo tudi z odločitvami po alkoholni fermentaciji in v času zorenja vina, tudi z zorenjem vina v hrastovih sodih ali ob uporabi t.i. hrastovih nadomestkov. V diplomskem delu smo pridelali eksperimentalna vina rebula po štirih različnih vinifikacijskih postopkih ter jim nato dodali trske bodisi ameriškega ali francoskega hrasta, z različnimi stopnjami žganja lesa. Tako pridelana mlada vina smo senzorično ovrednotili in zaznali določene razlike v percepciji vin glede na različne dodatke hrastovih trsk. Vina pridelana z dodatkom hrastovih trsk so degustatorji senzorično ocenili bolje kot kontrolna vina. Iz tega lahko sklepamo, da je dodatek hrastovih trsk izboljšal celokupni vtis vina. Bistvenih razlik med vini glede na poreklo hrastovih trsk (ameriški srednje žgan in francoski srednje žgan) degustatorji niso zaznali.
Keywords: Rebula, hrastovi sodi, hrastovi nadomestki, celokupni vtis vina
Published in RUNG: 23.10.2024; Views: 196; Downloads: 0
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48. Timekeeper outside the canon : Roksanda Njeguš’s prose in the Serbian literary systemDarko Ilin, 2024, published scientific conference contribution Abstract: This paper will discuss the work of Roksanda Njeguš (1915–2009) in the context of Serbian literature. Roksanda Njeguš was a translator from Slovenian and Italian
into Serbo-Croatian, a writer, and a cultural worker. She published a book of literary
reportage Normirac u srcu (1949) and the novels Kidanje (1959), Stolice na kiši (1978),
and Otpisani iz ružičaste zone (1998). This paper aims to outline one possible line of interpretation of the author’s oeuvre regarding the broader political and cultural context
of its creation. The author’s narrative focus is women’s experience during the National Liberation Struggle, and her last novel is dedicated to the breakup of Yugoslavia.
Therefore, this work will attempt to view her novels as a literary chronicle of Socialist
Yugoslavia through the female experience of struggle. By analysing her novels, this paper will critically reevaluate the author’s marginal position in the canon of the Serbian
literary system.
Keywords: Serbian literature, gender perspective, socialist Yugoslavia
Published in RUNG: 23.10.2024; Views: 222; Downloads: 1
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50. Panslavizam među američkim Slovencima i njihov odnos prema Jugoslaviji u periodu između 1938. i 1945. godineMilan Mrđenović, 2024, published scientific conference contribution abstract Abstract: U ovom radu analiziraće se kako je politička ideologija panslavizma uticala na američke Slovence i njihov odnos prema Jugoslaviji i Sovjetskom Savezu, posebno prema ruskom narodu, u periodu od 1938. do 1945. godine. Naglasak je na delovanju ključnih ličnosti kao što su Luis Adamič, poznati američki pisac slovenačkog porekla, Ivan Molek, urednik najvećeg iseljeničkog lista „Prosveta“ i Jurij Trunk, katolički sveštenik i pisac. U radu će se prikazati kako su svojim stavovima u novinama uticali na slovenačku etničku zajednicu u SAD.
Keywords: Panslavizam, američki Slovenci, etnička zajednica, SAD, Louis Adamič, Jurij Trunk, Ivan Molek
Published in RUNG: 22.10.2024; Views: 211; Downloads: 0
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