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1.
Ekoremediacija kot sistem za obnovo in zaščito akumulacij na primeru HE Brežice
Urška Žibert, 2013, undergraduate thesis

Found in: osebi
Keywords: ekoremediacije, HE Brežice, evtrofikacija, viri onesnaževanje, diplomske naloge
Published: 15.10.2013; Views: 3016; Downloads: 357
URL Fulltext (0,00 KB)
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2.
Water salinity and the efficiency of constructed wetlands
Milana Karajić, 2015, doctoral dissertation

Abstract: Raziskava teze je bila osredotočena na vpliv slanosti na učinkovitost rastlinske čistilne naprave. Raziskava je bila izvedena na rastlinski čistilni napravi Dragonja ki se nahaja na Jadranski obali, na jugo-zahodu Slovenije in na pilotskem modelu rastlinske čistilne naprave. Rezultati raziskave sugerirajo, da povečanje slanosti negativno vpliva na učinkovitost skoraj vseh spremljanih parametrov (amonijaka, fosfata, nitrata, nitrita, COD in BOD5), ampak korelacija ni bila signifikantna. Majhni koeficienti korelacije pomenijo, da koncentracije kloridov in prevodnost lahko razložijo majhen delež variabilnosti učinkovitosti rastlinske čistilne naprave Dragonja. Mogoče ima prisotnost različnih koncentracij drugih polutantov v izcedni vodi, ki jih nismo spremljali v nalogi, inhibitorni vpliv na mikroorganizme v rastlinski čistilni napravi in tako negativno vpliva na učinkovitost rastlinske čistilne naprave Dragonja. Za raziskavo procesa čiščenja slane odpadne vode so bili v substratu pilotskega modela rastlinske čistilne naprave inokulirani halotolerantni mikroorganizmi in spremljana učinkovitost čiščenja odpadne vode. Vpliv slanosti na učinkovitost, preživetje in uporabo halotolerantnih mikroorganizmov je bil preverjen pri 0%, 1,5% in 3,0% NaCl v odpadni vodi. Prav tako smo raziskali vpliv aeracije ter vpliv aeracije z dodano saharozo (2g/l) v sintetični odpadni vodi. V substratu pilotskega modela peščenega filtra rastlinske čistilne naprave smo spremljali spremembe v pH, prevodnosti, redoks potencialu, koncentraciji kisika, amonijevih ionov, kloridnih ionov, fosfatnih ionov, KPK, BPK5 in ETS aktivnosti, koncentraciji CO2 v vodi in koncentraciji CO2. Ugotovili smo, da je na učinkovitost pilotskega modela, inokuliranega s halotolerantnimi mikroorganizmi, večji vpliv imela aeracija in prisotnost saharoze (kot organskega izvira ogljika), kot spremembe v slanosti vode.
Found in: osebi
Keywords: rastlinske čistilne naprave, slana odpadna voda, halotolerantni mikroorganizmi
Published: 22.12.2015; Views: 2673; Downloads: 85
.pdf Fulltext (6,15 MB)

3.
Sistem zbiranja in nagrajevanja predlogov izboljšav v proizvodno-storitvenem podjetju Datapan
Danijel Duronjič, 2012, undergraduate thesis

Found in: osebi
Keywords: izboljšave, sistem stalnih izboljšav, inovacije, razvoj, diplomske naloge
Published: 15.10.2013; Views: 2643; Downloads: 315
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4.
Obvladovanje oidija vinske trte (Erysiphe necator) s fungicidi novejše generacije
Danijel Olivo, 2010, undergraduate thesis

Found in: osebi
Keywords: diplomske naloge, vinska trta, oidij, fungicidi, tretiranje
Published: 15.10.2013; Views: 3148; Downloads: 570
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5.
Novel applications of oxygenic photosynthetic organisms
Danijel Stojković, 2015, doctoral dissertation

Abstract: Inspired by natural microorganisms that possess a rigid cell wall to protect them in harsh conditions, individual cells of Chlamydomonas reinhardtii were artificially encapsulated with different materials and hydrogen production was enhanced. The first attempt was to cover the cells with hydrated silicon dioxide, which is naturally formed by diatoms. The cells covered with silica were not able to produce hydrogen, but the improved TiO2-encapsualtion of Chlamydomonas reinhardtii was found to positively affect their hydrogen production under sulfur-deprived conditions. It was shown that incubation of the cells in the dark before exposure to light was necessary in order to overcome the toxic effects of the (RKK)4D8 catalytic peptide that is essential for TiO2 formation. The TiO2-encapsulated cells were able to produce H2 with about double efficiency during 5-day period compared to non-encapsulated cells. The light-to-H2 conversion efficiency of TiO2-encapsulated Chlamydomonas reinhardtii system was estimated to be more than 4 % under optimized conditions. The encapsulation with platinum led us to discover the bioreductive properties of Chlamydomonas reinhardtii. Beside the homogeneous Pt reduction carried out by the algae, the most surprising discovery was the possibility to use algae culture for targeted heterogeneous nucleation. An important discovery was that is possible to control the nucleation mechanism and redirect predominantly homogeneous into fully heterogeneous nucleation.
Found in: osebi
Keywords: photosynthesis, H2 production, TiO2, encapsulation, Chlamydomonas reinhardtii, platinum reduction
Published: 01.04.2015; Views: 4589; Downloads: 142
.pdf Fulltext (23,38 MB)
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6.
Capabilities of hydrogen-producing green algae Clamydomonas reinhardtii for copper bioremediation in wastewaters
Urška Žvab, Danijel Stojković, Matjaž Valant, 2019, published scientific conference contribution abstract

Found in: osebi
Keywords: copper, hydrogen, wastewater, green algae, Clamydomonas reinhardtii
Published: 19.12.2019; Views: 552; Downloads: 0
.pdf Fulltext (18,68 MB)

7.
Carotenes in processed tomato after thermal treatment
Mladen Franko, Dane Danijel Bicanic, Svjetlana Luterotti, Ksenija Marković, 2014, published scientific conference contribution

Found in: osebi
Keywords: karotenoidi, paradižnik, termična obdelava
Published: 16.06.2016; Views: 1396; Downloads: 6
URL Fulltext (0,00 KB)

8.
Še daleč do tretjega pasu
Zoran Božič, Danijel Cek, 2017, polemic, discussion, commentary

Abstract: Članek o nujnosti načrtovanja in izgradnje šestpasovne avtoceste na relaciji Ljubljana - Razdrto. Na tem odseku je več prometa kot na avtocestah v sosednjih državah, ki že imajo večinoma še tretji vozni pas.
Found in: osebi
Keywords: Slovenija, avtocesta, Ljubljana-Razdrto, promet, načrtovanje, Primorska, prometne nesreče
Published: 12.07.2017; Views: 1620; Downloads: 0
.pdf Fulltext (707,91 KB)

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