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1.
Najvišje energije v vesolju
mIHA Živec, other performed works

Abstract: Zgodovinski pregled in trenutno stanje astrofizike visokih energij.
Keywords: nevtrini, kozmični delci, žarki gama, observatorij Pierre Auger, polje teleskopov Čerenkova
Published in RUNG: 11.12.2023; Views: 358; Downloads: 0
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2.
Neznanka, ki na odgovor še čaka
2021, interview

Abstract: Vprašanje, kako in kje nastajajo kozmični delci ekstremnih energij, je odprto že več kot petdeset let. Med najverjetnejšimi kraji njihovega nastanka sodijo aktivna galaktična jedra; to so središča galaksij, v katerih se skrivajo črne luknje, ki požirajo snov iz okolice. V raziskavah mednarodne kolaboracije Pierre Auger sodelujejo tudi slovenski raziskovalci z Univerze v Novi Gorici in Instituta Jožef Stefan.
Keywords: kozmični delci ekstremnih energij, aktivna galaktična jedra, observatorij Pierre Auger, observatorij Cherenkov Telescope Array, CTA
Published in RUNG: 02.06.2021; Views: 2310; Downloads: 0
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3.
KO NAM UGANKE VESOLJA POMAGAJO SPOZNAVATI NAŠO ATMOSFERO
2020, radio or television broadcast, podcast, interview, press conference

Abstract: Razumevanje najbolj oddaljenih in nenavadnih pojavov v vesolju je lahko tesno povezano z razumevanjem pojavov tu na Zemlji. Iskanje odgovorov na vprašanja, ki jih znanosti denimo zastavljajo eksotični kozmični žarki visokih energij, je povezano s podrobnim razumevanjem Zemljine atmosfere, saj ima atmosfera vlogo ogromnega detektorja. Nova spoznanja ne odpirajo zgolj novih poglavij v našem razumevanju vesolja, ampak tudi vrsto novih možnosti pri razumevanju dejavnikov, ki vplivajo na naše vreme in podnebje. Tem vidikom se bomo posvetili v današnjih Podobah znanja. Naš gost je prof. dr. Samo Stanič, vodja Centra za astrofiziko in kozmologijo Univerze v Novi Gorici. Za vrhunske dosežke pri raziskavah kozmičnih delcev ekstremnih energij je skupaj s kolegoma Andrejem Filipčičem in Markom Zavrtanikom prejel Zoisovo nagrado.
Keywords: intervju, Zoisova nagrada, observatorij Pierre Auger, kozmični delci ekstremnih energij, atmosfera, lidar
Published in RUNG: 12.02.2021; Views: 2282; Downloads: 93
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4.
THE EFFECTS OF MIXED COMMUNAL WASTE RECYCLING MANAGEMENT IN SLOVENIA - CASE STUDY
Peter Bohinec, 2016, master's thesis

Abstract: With the adjustment of the Slovenian legislation with the European one we have an obligation to increase the reuse and recycling target for municipal solid waste by up to 65% by 2030 and gradual limitation of the landfilling of municipal solid waste to 10% by 2030 (Directive 2008/98 on waste, 2015). This represents a major challenge for municipalities in Slovenia. This study contains a plan for establishing new waste treatment facility in the Municipality of XY. As all new constructions in Slovenia, the presented facility needs to provide all the environmental protective measures predicted by the legislation. Beside the legislation, it is also important to ensure that new waste treatment facilities will have a low or no effect on the environment. Based on the Environmental Protection Act and the Construction Act of Slovenia, measures to ensure long term monitoring of the waste treatment facility as a case study in the Municipality of XY are presented. Before constructing the new facility, the track of “baseline” – a one-year monitoring of the following environmental parameters was crucial: groundwater, air dust deposit, condition of the soil on the area where new facility will operate in the future. The thesis points out the importance of the so-called track “baseline” monitoring of environmental parameters before new waste treatment facility will operate. This will be the basis for the introduction of operating monitoring for the new waste treatment facility in the future. Data for the analysis of presence of pollutants were acquired from groundwater, air dust deposit, soil sampling and containment of chemical pollutants. The following methods of analysis were employed in the acquisition of laboratory results of specific physical and chemical parameters: ion chromatography, gas chromatography, spectrophotometry, titration, inductive coupled plasma – mass detector, measurement with an electrode. It was determined that in the period between 2011 and 2012, the groundwater samples taken from three drilled wells containing pollutants as for example in the P-2 well there were adsorbable organic halogens - AOX, boron and mineral oils found. The results of the dust deposit show increased value of lead and zinc. More concerning are analysis of the soil samples where the quantity of copper at the MM2 measuring point were 530mg/kg, on 20 April 2012 the present critical level was 300 mg/kg. At the same measuring point (MM2) on the same day, the value of zinc was 650 mg/kg and almost reached the critical level of 720 mg/kg. The levels of heavy metals as cadmium, copper, lead and zinc in the soil samples taken at the MM2 and MM3 measuring points were at the warning level. All the detected parameters were evaluated and present a good basis for future operational monitoring of the environment in the area of the new waste treatment facility in the future. This case study has shown that planned steps in the improvement of the waste management in the Municipality of XY are crucial to protect the environment. The analysis and interpretation present an important basis for planning and monitoring a new waste treatment facility which will help to improve our goals and reduce landfilling to 10% and increace recycling by up to 65% by 2030 as predicted by the Directive on waste (Directive 2008/98 on waste, 2015).
Keywords: odpadki, krožno gospodarjenje z odpadki, podtalnica, zemljine, prašni delci v zraku, spremljanje stanja okolja.
Published in RUNG: 20.07.2016; Views: 4548; Downloads: 308
.pdf Full text (3,32 MB)

5.
Vpliv onesnažil iz okoljskih aerosolov na tarčne celice v pljučih
Sara Pribovšek, 2016, undergraduate thesis

Abstract: Diplomsko delo obravnava vpliv onesnažil iz okoljskih aerosolov na dva celična tipa, ki jih najdemo v pljučih, pljučne epitelijske celice A549 in makrofage J774A.1. Kot vir onesnažil smo uporabili ekstrakt saj iz zračnega filtra. Uporabili smo kvarčne zračne filtre z delci črnega ogljika, ki so nastali kot posledica gorenja sveče. V laboratorijskih poskusih smo testirali neposredni vpliv saj na celično živost (viabilnost) pljučnih epitelijskih celic in makrofagov po 24 urah in 48 urah inkubacije z različnimi koncentracijami saj in kontrolama. Celično živost smo merili s pomočjo reagenta Presto Blue. Posreden vpliv saj na pljučne epitelijske celice smo preverjali z merjenjem celične živosti po 24 urah in 48 urah inkubacije s topnimi dejavniki, ki so jih sprostili tretirani in kontrolni makrofagi (gojišče MCM). Gojišče MCM smo pripravili tako, da smo makrofage 48 ur aktivirali z raztopino saj oziroma jih nismo aktivirali (kontrolno gojišče MCM). Na koncu smo pri obeh celičnih tipih ugotavljali tudi gensko stabilnost s pomočjo posredne imunofluorescentne metode. Celice smo označili s protitelesi anti-fosfo histon H2A.X, ki so se vezala na mesta, kjer je zaradi izpostavljenosti raztopini saj prišlo do poškodb DNA. Rezultati so pokazali, da raztopina saj vpliva na celično živost pljučnih epitelijskih celic in makrofagov v obratno sorazmernem trendu v odvisnosti od koncentracije saj. Raztopina saj je imela vpliv tudi na morfološke spremembe obeh celičnih linij. Rezultati vpliva topnih dejavnikov makrofagov na epitelijske pljučne celice niso pokazali statistično značilnih razlik, zato posrednega vpliva saj na viabilnost pljučnih celic zaradi kompleksnosti delovanja topnih faktorjev makrofagov nismo dokazali. Pokazali pa smo, da imajo saje velik vpliv tudi na gensko stabilnost pljučnih epitelijskih celic in makrofagov. V diplomskem delu smo tako pokazali, da že krajša izpostavljenost onesnažilom iz zraka vodi do poškodb DNA in zmanjšane celične živosti tarčnih celic, kar je bilo še zlasti izrazito pri makrofagih.
Keywords: makrofagi, pljučne epitelijske celice, delci, policiklični aromatski ogljikovodiki, celična živost, genotoksičnost.
Published in RUNG: 09.03.2016; Views: 6740; Downloads: 195
.pdf Full text (7,73 MB)

6.
7.
Kvaliteta zraka in problematika izpustov trdnih delcev v ozračje
Rok Prebil, 2014, published scientific conference contribution

Keywords: zrak, emisije, onesnaževanje, trdni delci, elektrostatični filtri, pljučni rak
Published in RUNG: 22.01.2015; Views: 4961; Downloads: 129
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8.
9.
Onesnaženost rovov v Postojnski jami s prašnimi delci
Aleksandra Jovičić, 2011, undergraduate thesis

Keywords: Postojnska jama, jamski turizem, prašni delci, usedline, mikroklima, težke kovine, diplomske naloge
Published in RUNG: 15.10.2013; Views: 6316; Downloads: 470
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10.
Študija kakovosti zunanjega zraka v okolici proizvodnje apna in kamnoloma v Solkanu
Simon Jurman, 2009, undergraduate thesis

Keywords: onesnaženost zraka, drobni delci, vpilvi na zdravje, diplomske naloge
Published in RUNG: 15.10.2013; Views: 5182; Downloads: 511
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