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1.
Analytical gas sensing in the terahertz spectral range
Andreja Abina, Uroš Puc, Mojca Jazbinšek, Aleksander Zidanšek, 2023, izvirni znanstveni članek

Opis: Exploiting the terahertz (THz) part of the electromagnetic spectrum is attracting attention in various scientific and applied disciplines worldwide. THz technology has also revealed its potential as an effective tool for gas analysis in astronomy, biomedicine and chemical analysis. Recently, it has also become important in environmental applications for monitoring hazardous and toxic gases in the atmosphere. This paper gives an overview of THz gas detection analytical methods for environmental and biomedical applications, starting with a brief introduction to THz technology and an explanation of the interaction of THz radiation with gaseous species and the atmosphere. The review focuses on several gaseous species and groups of air pollutants that have been or can be analysed by THz spectrometry. The review concludes that different but complementary THz detection methods allow unique detection, identification and quantification of gaseous and particulate air pollutants with high selectivity, specificity and sensitivity. THz detection methods also allow further technological improvements and open new application possibilities.
Ključne besede: terahertz spectroscopy, gas sensing, air pollution, environmental monitoring
Objavljeno v DKUM: 28.03.2024; Ogledov: 43; Prenosov: 2
.pdf Celotno besedilo (3,72 MB)
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2.
LiDAR-Based Maintenance of a Safe Distance between a Human and a Robot Arm
David Podgorelec, Suzana Uran, Andrej Nerat, Božidar Bratina, Sašo Pečnik, Marjan Dimec, Franc Žaberl, Borut Žalik, Riko Šafarič, 2023, izvirni znanstveni članek

Opis: This paper focuses on a comprehensive study of penal policy in Slovenia in the last 70 years, providing an analysis of statistical data on crime, conviction, and prison populations. After a sharp political and penal repression in the first years after World War II, penal and prison policy began paving the way to a unique "welfare sanction system", grounded in ideas of prisoners' treatment. After democratic reforms in the early 1990s, the criminal legislation became harsher, but Slovenia managed to avoid the general punitive trends characterized by the era of penal state and culture of control. The authoritarian socialist regime at its final stage had supported the humanization of the penal system, and this trend continued in the first years of the democratic reforms in the 1990s, but it lost its momentum after 2000. In the following two decades, Slovenia experienced a continuous harshening of criminal law and sanctions on the one hand and an increasing prison population rate on the other. From 2014 onwards, however, there was a decrease in all segments of penal statistics. The findings of the study emphasize the exceptionalism of Slovenian penal policy, characterized by penal moderation, which is the product of the specific local historical, political, economic, and normative developments.
Ključne besede: LIDAR, robot, human-robot collaboration, speed and separation monitoring, intelligent control system, geometric data registration, motion prediction
Objavljeno v DKUM: 16.02.2024; Ogledov: 191; Prenosov: 17
.pdf Celotno besedilo (5,27 MB)
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3.
Primerjava porabe energije objektov z in brez energetskega upravljanja : diplomsko delo
Nemanja Bogićević, 2023, diplomsko delo

Opis: Diplomsko delo preučuje primerjavo porabe energije med objekti z implementiranim energetskim upravljanjem in objekti brez njega. Obravnavali smo osnovne koncepte upravljanja z energijo v stavbah, vključno s standardom ISO 50001, stopnje energetskega upravljanja ter povezane sisteme nadzora in zbiranja podatkov. Prav tako smo se osredotočili na relevantno zakonodajo s področja energetske učinkovitosti in upravljanja z energijo. V nadaljevanju smo analizirali pogoje bivalnega in delovnega ugodja prostorov, kot so temperatura, vlaga, hrup, osvetlitev, koncentracija ogljikovega dioksida in radona. Nato smo izvedli primerjalno analizo kazalnikov dveh realnih stavb. Ena sledi dobrim praksam, druga pa kaže posledice pomanjkanja ozaveščanja in zaupanja v pomen upravljanja z energijo.
Ključne besede: energetsko upravljanje, energetski monitoring, energetski kazalniki
Objavljeno v DKUM: 18.01.2024; Ogledov: 125; Prenosov: 14
.pdf Celotno besedilo (1,81 MB)

4.
Primerjava ročnega in avtomatskega merjenja frekvence dihanja s pomočjo signala ekg elektrod
Alex Trojnar, 2023, magistrsko delo

Opis: Uvod: Frekvenca dihanja je ključni fiziološki parameter, ki se uporablja v številnih kliničnih okoljih. Kljub njegovi diagnostični in prognostični vrednosti se še vedno pogosto meri z ročnim štetjem frekvence dihanja. V zadnjem času je velik pomen v kliničnem okolju dobila metoda, s katero popolnoma neinvazivno preko signalov elektrokardiograma oziroma njegovih elektrod spremljamo frekvence dihanja. Metode: V zaključnem delu smo uporabili kvantitativno metodologijo z metodo opazovanja. S pomočjo zbranih podatkov iz kliničnega okolja, smo naredili opazovalno študijo. Za izvedbo raziskovalne naloge smo uporabili neslučajnostni namenski vzorec, ki je zajemal 150 pacientov, starejših od 18 let, ki so bili priključeni na EKG monitoring. Rezultati: V raziskavi je sodelovalo 150 pacientov, pri čemer je analiza meritev frekvence dihanja pokazala razlike med izmerjenimi vrednostmi brez EKG monitorja (19,89 vdiha na minuto) in z EKG monitorjem (19,99 vdihov na minuto). Statistična primerjava razlik med izmerjeno frekvenco dihanja brez in z EKG monitorjem ni pokazala statistično pomembnih razlik. Razprava in sklep: Ugotavljamo, da je natančnost merjenja frekvence dihanja ključnega pomena pri kliničnem delu. Glede na rezultate študije menimo, da je spremljanje frekvence dihanja ključnega pomena pri zgodnjem odkrivanju bolezni in napredovanju zdravstvenega stanja pacientov. Zato si želimo, da bi se zdravstveni delavci lahko zanesli na aparate, ki omogočajo natančno in zanesljivo merjenje frekvence dihanja.
Ključne besede: dihanje, frekvenca dihanja, EKG, monitoring
Objavljeno v DKUM: 06.12.2023; Ogledov: 269; Prenosov: 27
.pdf Celotno besedilo (1,87 MB)

5.
Towards forty years of Krško NPP operation : an overview of population exposures to radiation
Matjaž Koželj, 2021, izvirni znanstveni članek

Opis: In this article, the influence of a controlled magnetic field on gadolinium plates was modelled and simulated to be used in magnetic refrigeration installations. This is a state-of-the-art technology that does not use refrigerants and does not work based on vapour compression, which is based on the operation of the magnetocaloric properties of the material used; in the case below, this material, in the form of a flat plate, has certain magnetocaloric properties and under the influence of magnetic induction can be used successfully in such innovative installations. The advantages of using gadolinium in the form of a flat plate in a magnetic regenerator and thermal energy dissipation on its surface under the controlled magnetic field's influence were studied.
Ključne besede: Krško NPP, NEK, radioactivity monitoring, radioactivity releases, dose assessment, population exposures, history of doses
Objavljeno v DKUM: 10.11.2023; Ogledov: 202; Prenosov: 3
.pdf Celotno besedilo (5,29 MB)
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6.
Monitoring and assessment mechanism of just energy transition trajectories : do just transition observatories matter?
Dionysios Giannakopoulos, Ioannis Karagiannis, Lefteris Topaloglou, 2022, izvirni znanstveni članek

Opis: The primary aim of the European Green Deal is to move towards climate neutrality in a socially just and inclusive way. To this end, the EU has set up the so-called ‘Just Transition Mechanism’ (JTM), which will provide funding and technical assistance to the regions of the EU most affected by the transition to a green economy. However, in addition to securing sufficient resources and providing technical assistance for their utilisation, a critical factor for the successful outcome of the transition in coal-dependent regions is the establishment of effective monitoring/assessment mechanisms and place-based governance models. This reflects the departure of European politics from horizontal and one-size-fits-all policies. This is done for two reasons: (a) the utilisation of local knowledge and local territorial capital deals better with problems and (b) the transfer of the level of decision-making and implementation of policies as close as possible to the citizens to whom they concern. An effective governance model; however, should be accompanied by an effective mechanism for scientifically monitoring, analysing, evaluating, and formulating substantiated policy proposals. Setting up and operating a Just Transition Observatory could be a valuable support mechanism, provided it has the presumption of multi-level expertise and objectivity, deep knowledge of local specificities and legitimacy to institutionally represent the public interest at the local level. Such an Observatory could function as an independent evaluation body (with periodic reports or focused studies) in the course of the Energy Transition Programmes, identifying potential difficulties, recording impacts, results and outcomes, as well as providing policy recommendations. Given that Just Transition Plans include a number of important transformational policies and transformative plans, the crucial question that arises is whether regional and central policy makers have the tools to evaluate these transformational policies and transformative projects. In this regard, it is necessary to design evaluation models based on predefined indicators and criteria that will be jointly defined in the context of public consultation. This will ensure objectivity on the basis of commonly agreed indicators and objectives, while also guaranteeing the legitimacy and acceptance of both strategic policies and specific investment plans. This paper attempts to examine to what extent there is room for the establishment of ‘Just Transition Observatories’ Platforms along the coal-dependent areas. More specifically, the potential of such mechanism to monitor, analyse and evaluate clean energy transition, and provide robust policy recommendations, will be explored. To this end, Just Transition Observatories will operate as an independent evaluation mechanism producing evidence-based reports and studies on clean energy transition. Thus, the Observatories will be able to deliver periodic reports based on indicators, comparative analysis and policy recommendations. In addition to this, such mechanisms could enhance networking at the EU, national and local level, mobilising scientific dialogue and debate on clean energy transition.
Ključne besede: just transition, monitoring mechanisms, observatory, governance
Objavljeno v DKUM: 30.10.2023; Ogledov: 379; Prenosov: 4
.pdf Celotno besedilo (737,13 KB)
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7.
Development of the web service for grocery store receipt recognition and subsequent analysis of the nutritional value of the products purchased
Pavel Nesterov, 2023, magistrsko delo

Opis: The objective of this study is to tackle the worldwide problem of cardiovascular diseases (CVDs). These diseases represent the foremost reason for mortality on a global scale, accounting for approximately 17.9 million deaths annually. Unhealthy eating habits are one of the most frequent causes for CVD in the world and are addressed in various ways, including digital technologies. The goal of this project i`s to develop a web service that enables a non-intrusive way of tracking food consumption and monitoring the dynamics of nutrient intake compared to the traditional "record-every-meal" type of tracking. We followed a design science research approach to develop the web service. The web service employs semantic similarity algorithms and enables human feedback to improve its performance. It will be developed using the Serverless framework and deployed on the AWS platform. Receipt recognition will be performed using AWS Textract, and the nutritional value of the products will be obtained from publicly available databases. This approach aims to create an innovative and user-friendly method for tracking food consumption and nutrient dynamics.
Ključne besede: Healthy eating, Grocery store receipt, Nutritional analysis, Daily intake monitoring, machine learning, chatbot
Objavljeno v DKUM: 14.09.2023; Ogledov: 342; Prenosov: 16
.pdf Celotno besedilo (1,28 MB)

8.
Advances in monitoring and understanding the dynamics of suspended-sediment transport in the river Drava, Slovenia: an analysis more than a decade-long
Janja Kramer Stajnko, Renata Jecl, Matjaž P. Nekrep, 2023, izvirni znanstveni članek

Opis: Managing sediment transport in streams is crucial to the surface water resource development strategy and has several implications for flood risk and water management, hydropower use, and balancing river morphology. This paper summarises the movement and behaviour of suspended sediment within the Slovenian portion of the River Drava, covering a span of thirteen years from 2005 to 2018. An analysis of relevant data collected during this period is also presented. Suspended-sediment dynamics strongly depend on flow velocity, seasonal variations in sediment sources, and human interventions in the riverbed. The transportation of material in the River Drava results in the accumulation of sediments in reservoirs and riverbeds, consequently impeding the natural hydrological cycle by reducing the outflow into aquifers. The 2018 high-water event is analysed in terms of the dependence of concentration of suspended sediments on discharge, where counterclockwise hysteresis was observed, providing an essential clue to the origin of sediment. Sediments from the River Drava in Slovenia are managed with some conventional processes and are mainly deposited or reintegrated into rivers and aquatic ecosystems. Some additional sediment management strategies with long-term solutions for efficient and comprehensive water management, hydropower, and ecological problems are proposed.
Ključne besede: sediment transport, streams, suspended sediment dynamics, suspended sediment transport, river Drava, sediment management, monitoring, water management
Objavljeno v DKUM: 13.09.2023; Ogledov: 342; Prenosov: 21
.pdf Celotno besedilo (4,52 MB)
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9.
Monitoring obtočil s tehnologijo escco
Mitja Hari, 2023, magistrsko delo

Opis: Neinvazivni hemodinamski monitoring je vedno bolj priljubljena metoda za opazovanje spremenljivk hemodinamike pri bolnikih v enotah intenzivne terapije. Pomaga pri odkrivanju sprememb v hemodinamiki ter diagnosticirati njihove osnovne vzroke.
Ključne besede: hemodinamski monitoring, neinvazivni hemodinamski monitoring, aplikacija terapije, neinvazivno ventilirani bolniki, invazivno ventilirani bolniki
Objavljeno v DKUM: 28.06.2023; Ogledov: 379; Prenosov: 43
.pdf Celotno besedilo (2,92 MB)

10.
Obvladovanje sladkorne bolezni s sodobnimi medicinsko tehničnimi pripomočki
Alen Markuš, 2023, magistrsko delo

Opis: Uvod: Senzorji za merjenje glukoze v medceličnini, inzulinske črpalke s sistemom hibridne zaprte zanke in pametni inzulinski peresniki so pomemben tehnološki dosežek, ki je pripeljal do številnih koristi za bolnike, hkrati pa predstavlja nove izzive v različnih panogah, povezanih z iskanjem rešitev za boljše soočanje s sladkorno boleznijo. Senzorji omogočajo stalno spremljanje ravni glukoze v krvi, kar je izjemno pomembno za bolnike s sladkorno boleznijo, saj jim s tem omogočijo boljši nadzor in vodenje bolezni, posledično pa z dobro urejeno glikemijo živijo kakovostnejše življenje. Osredotočili smo se na stališča uporabnikove izkušnje, na drugi strani pa na pomen KMG za urejenost SB. Metode: Izvedli smo natančen pregled trga, kjer smo iskali sodobne in tehnološko napredne medicinsko-tehnične pripomočke za zdravljenje in obvladovanje sladkorne bolezni. Uporabili smo kvantitativno metodologijo raziskovanja ter validiran vprašalnik GME-Q kot orodje za oceno zadovoljstva. Rezultati: S pomočjo vprašalnika GME-Q za oceno zadovoljstva smo pridobili naslednje rezultate. Cronbachov koeficient alfa je znašal 0.919, kar odraža odlično notranjo konsistenco. Opravljena neodvisna analiza s pomočjo Cronbachovega koeficienta alfa je za vsako podlestvico znašala za učinkovitost 0.89, za priročnost 0.82 in za vsiljivost 0.757. Razprava in sklep: Rezultati naše analize kažejo, da so uporabniki zadovoljni s senzorji KMG v medceličnini. V Sloveniji je dostopnost senzorjev za KMG dobra, saj so na trgu prisotni trije proizvajalci in ima bolnik možnost izbire. Popolnoma drugačen je posnetek stanja na področju inzulinskih črpalk s sistemom hibridne zaprte zanke, saj je na trgu zgolj en proizvajalec. Pravi pametni inzulinski peresniki pa v Sloveniji sploh še niso prisotni. Tehnologija sodobnih medicinsko-tehničnih pripomočkov za zdravljenje sladkorne bolezni je pomemben tehnološki dosežek, ki se stalno nadgrajuje in izpopolnjuje, zato lahko na podlagi obstoječih raziskav trdimo, da so senzorji KMG pravi korak k izboljšanju vodenja sladkorne bolezni.
Ključne besede: sladkorna bolezen, management, kontinuirano merjenje glukoze, monitoring, e-zdravje, zadovoljstvo
Objavljeno v DKUM: 18.05.2023; Ogledov: 640; Prenosov: 126
.pdf Celotno besedilo (2,96 MB)

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