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Načrtovanje usedalnika sedimentov in izračun parametrov male hidroelektrarne : diplomsko delo
Marko Sinđelić, 2024, undergraduate thesis

Abstract: V svojem zaključnem delu smo se osredotočili na razvoj malih hidroelektrarn (MHE) kot trajnostnega vira energije. Preučili smo različne vrste usedalnikov in njihove značilnosti, ter izračunali ključne parametre za optimizacijo delovanja MHE, kot sta padec tlaka in hidravlični udar. Namen dela je bil izboljšati učinkovitost MHE s pravilnim dimenzioniranjem usedalnika, kar vodi k zmanjšanju abrazivnega delovanja sedimentov na turbinske sisteme. Delo se torej nanaša na področje obnovljivih virov energije in hidroelektrarne. Zaključili smo, da je optimizacija ključna za učinkovito delovanje MHE. Priporočamo nadaljnje raziskave v smeri izboljšanja učinkovitosti usedalnikov in večjega izkoriščanja obnovljivih virov energije.
Keywords: mala hidroelektrarna, usedalnik sedimentov, obnovljivi viri energije, padec tlaka, optimizacija
Published in DKUM: 11.02.2025; Views: 0; Downloads: 2
.pdf Full text (3,08 MB)

3.
Vizualizacija hidroelektrarne z uporabo Unity 3D : diplomsko delo
Aleksa Kaličanin, 2024, undergraduate thesis

Abstract: Namen diplomskega dela je predstavitev predvidene hidroelektrarne Mokrice na spodnji Savi v virtualnem okolju s pomočjo programskega orodja Unity. Za vizualizacijo hidroelektrarne smo uporabili poenostavljen model ustvarjen v sistemu CAD. Prenos modela v virtualno okolje je izveden s pomočjo standardnih formatov, vmesnika VRML in Blender. Opisan je večfazni postopek prenosa, kakor tudi proces kreiranja grafičnih predstavitev materialov in tekstur s pomočjo programa Blender. V virtualno okolje so vključene animacije in interaktivnost. Virtualno okolje je implementirano na sistemski opremi za navidezno resničnost z uporabo aktivne opreme za interakcijo in vizualizacijo v programskem orodju Unity.
Keywords: virtualni prototip, Unity, VRML, Blender
Published in DKUM: 11.02.2025; Views: 0; Downloads: 3
.pdf Full text (5,55 MB)

4.
The changing world dynamics of research performance
Marko Marhl, Rene Markovič, Vladimir Grubelnik, Matjaž Perc, 2025, original scientific article

Abstract: In recent years, a notable diversification in the geographical representation of the World's top universities could be observed. Chinese universities play an increasingly prominent role in these rankings, thus indicating that we might be in the midst of a regional shift in academic performance. To explore this dynamics, we analyze seven years' worth of data used for university rankings by academic subjects from the Academic Ranking of World Universities (ARWU). We focus on China, Europe, the USA, and other global regions of the world. We find that China has indeed seen an unprecedented growth in Engineering and Life Sciences research, positioning itself rather firmly as a leader in these fields. Conversely, the USA leads in the Social Sciences, while Europe excels in Geography, Ecology, Public and Business Administration, and Pharmacy. Other regions worldwide stand out in Transportation Science, Nursing, and Hospitality & Tourism Management. These results reveal the evolving landscape of global academic research, highlighting regional strengths and emerging world trends in subject-specifc excellence.
Keywords: research dynamics, academic excellence, geographical diversifcation, University rankings
Published in DKUM: 11.02.2025; Views: 0; Downloads: 3
.pdf Full text (3,19 MB)
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5.
The synergistic impact of glycolysis, mitochondrial OxPhos, and PEP cycling on ATP production in beta cells
Vladimir Grubelnik, Jan Zmazek, Marko Marhl, 2025, original scientific article

Keywords: beta cell, anaplerosis
Published in DKUM: 10.02.2025; Views: 0; Downloads: 14
.pdf Full text (2,97 MB)
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6.
Vrste in značilnosti velikih sončnih elektrarn v svetovnem merilu : diplomsko delo
Marko Vodišek, 2024, undergraduate thesis

Abstract: V diplomskem delu so opisane vse vrste večjih sončnih elektrarn in njihove značilnosti. Opisan je postopek obratovanja, sestava in največji obratujoči primer vsake vrste velikih sončnih elektrarn. Predstavljene so tudi koncentratorske elektrarne s termalno-energijskim skladiščenjem. Diplomsko delo vsebuje še razlago trenutnega globalnega stanja energije pridobljene iz sončnega sevanja in njen razvoj v prihodnosti, trenutno situacijo izkoriščanje sončnega potenciala v Sloveniji ter dela Kemijskega inštituta v Ljubljani.
Keywords: Koncentratorske elektrarne, koncentratorske elektrarne s termalno energijskim skladiščenjem, sončne elektrarne, sončna energija, sončno sevanje.
Published in DKUM: 10.02.2025; Views: 0; Downloads: 1
.pdf Full text (3,47 MB)

7.
Analysis of study engagement of students in slovenia
Daniil Riumin, 2021, undergraduate thesis

Abstract: Education at every time of our history was an important part of peoples’ lives. Society developed and so developed education, stating new goals and requiring more time, and becoming more complicated. Today we are living in the era of information. Information nowadays has the greatest value. The modern world’s market is based on information and operations around it. Education has also adjusted to modern trends and now higher education became in demand. The more information you obtain and can operate with the more successful you are today. The GDP of developed countries is strongly connected to the success of higher education institutes. That is why many countries nowadays invest in higher education. One of these countries is Slovenia that made higher education free. Investing so many resources Slovenia is interested in getting high-quality human resources of university graduates. That is why it is very important to consider all factors that affect study success to make them all work. One of the main factors affecting it is study engagement. The main goal of this Diploma work is to research the level of study engagement of university students in Slovenia and analyze the reasons for it. We use the student version of the “UWES” questionnaire to find the level of study engagement of Slovene students and our part of the questionnaire to detect reasons and understand better the situation with study engagement. Three hypotheses were stated to help to perform accurate research. Results of the research showed, that there is no correlation between an average grade in high school and level of study engagement. It also showed an absence of correlation between the level of parents’ education and student’s level of study engagement. According to research results, students that are working on the side of their studies are less engaged in classes, than their colleagues that do not work.
Keywords: study engagement, higher education, education, university, Slovenia
Published in DKUM: 10.02.2025; Views: 0; Downloads: 3
.pdf Full text (990,02 KB)

8.
Brezizgubno stiskanje rastrskih slik z uporabo genetskega algoritma
Tomaž Klobučar, 2025, master's thesis

Abstract: V magistrskem delu je predstavljena uporaba genetskega algoritma za brezizgubno stiskanje rastrskih slik. Poudarek je na kombiniranju genetskega algoritma z različnimi tehnikami stiskanja podatkov, vključno z aritmetičnim kodiranjem, metodo RLE (angl. Run Length Encoding) in Huffmanovim kodiranjem. Podrobno je opisano teoretično ozadje genetskega algoritma in njegovih osnovnih postopkov, kot so selekcija, križanje in mutacija. Prav tako je predstavljena implementacija genetskega algoritma, kodirnika in dekodirnika. Opravljene so bile analize vhodnih parametrov kodeka, stiskanja splošnih in risanih slik, vpliva napovedi genetskega algoritma na stopnjo stiskanja, vpliva pretvorbe barvnega prostora na stopnjo stiskanja ter analiza časovne zahtevnosti. Rezultati so pokazali, da predlagan kodek doseže stopnjo stiskanja primerljivo z izbranimi formati, njegova učinkovitost stiskanja pa se izboljša z uporabo pretvorbe barvnega prostora.
Keywords: brezizgubno stiskanje slik, risane slike, genetski algoritem, Huffmanovo kodiranje, aritmetično kodiranje, RLE
Published in DKUM: 06.02.2025; Views: 0; Downloads: 2
.pdf Full text (7,00 MB)

9.
Strategies for managing time and costs in speech corpus creation : insights from the Slovenian ARTUR corpus
Darinka Verdonik, Andreja Bizjak, Andrej Žgank, Mirjam Sepesy Maučec, Mitja Trojar, Jerneja Žganec Gros, Marko Bajec, Iztok Lebar Bajec, Simon Dobrišek, 2024, original scientific article

Abstract: Parliamentary debates represent an essential part of democratic discourse and provide insights into various socio-demographic and linguistic phenomena - parliamentary corpora, which contain transcripts of parliamentary debates and extensive metadata, are an important resource for parliamentary discourse analysis and other research areas. This paper presents the Slovenian parliamentary corpus siParl, the latest version of which contains transcripts of plenary sessions and other legislative bodies of the Assembly of the Republic of Slovenia from 1990 to 2022, comprising more than 1 million speeches and 210 million words. We outline the development history of the corpus and also mention other initiatives that have been influenced by siParl (such as the Parla-CLARIN encoding and the ParlaMint corpora of European parliaments), present the corpus creation process, ranging from the initial data collection to the structural development and encoding of the corpus, and given the growing influence of the ParlaMint corpora, compare siParl with the Slovenian ParlaMint-SI corpus. Finally, we discuss updates for the next version as well as the long-term development and enrichment of the siParl corpus.
Keywords: recording speech, transcribing speech, transcription guidelines, Less-resourced language
Published in DKUM: 04.02.2025; Views: 0; Downloads: 6
.pdf Full text (1,09 MB)
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