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1563. Attitudes of Slovenian school children towards forests and climate change : a study by the Forest of experimentsBoris Rantaša, Ajša Alagić, Amina Gačo, Martin Jež, Mateja Kraševec, Urša Vilhar, 2023, druge monografije in druga zaključena dela Ključne besede: forestst, climate changes, school children, Slovenia, environmental education, forest pedagogy, Slovenian Forestry Institute, Forest of experiments, LIFE SySTEMiC
Objavljeno v DiRROS: 15.12.2023; Ogledov: 379; Prenosov: 107
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1564. Effects of a 2-year exercise training on neuromuscular system health in older individuals with low muscle functionElena Monti, Sara Tagliaferri, Sandra Zampieri, Fabio Sarto, Giuseppe Sirago, Martino V. Franchi, Andrea Ticinesi, Yari Longobucco, Elisa Adorni, Marco Vicenzo Narici, 2023, izvirni znanstveni članek Ključne besede: skeletal muscles, C-terminal agrin fragment, neurofilament light chain, exercise interventions, sarcopenia, elderly
Objavljeno v DiRROS: 15.12.2023; Ogledov: 363; Prenosov: 146
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1565. Upregulation of sarcolemmal hemichannels and inflammatory transcripts with neuromuscular junction instability during lower limb unloading in humansGiuseppe Sirago, Julián Candia, Martino V. Franchi, Fabio Sarto, Elena Monti, Luana Toniolo, Carlo Reggiani, Emiliana Giacomello, Sandra Zampieri, Marco Vicenzo Narici, 2023, izvirni znanstveni članek Ključne besede: skeletal muscles, neuromuscular junction, sarcolemmal hemichannels, lower limb
Objavljeno v DiRROS: 14.12.2023; Ogledov: 365; Prenosov: 140
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1566. Enhancing circular business model implementation in pulp and paper industry (PPI) : a phase-based implementation guide to waste valorisation strategiesaAmaia Sopelana, Asier Oleaga, Juan José Cepriá, Karmen Fifer Bizjak, Helena Paiva, Francisco-Javier Rios-Davila, Adriana H. Martinez, Antonio Cañas, 2023, izvirni znanstveni članek Povzetek: Innovation in the circular economy (CE) and the deployment of effective circular business models (CBM) have attracted significant attention in times of growing natural resource scarcity. Despite this widespread interest, significant challenges remain between theoretical innovations and effective CBM implementation in any industrial sector where companies pursue cost-saving opportunities through waste valorisation strategies. Since current methods mislead in terms of the real limitations to designing feasible novel products and services under a circular economy, this study proposes exploring determinants underpinning the organisational resilience of CBMs under a resource efficiency strategy through three case studies. As a result of a co-creation process, the implementation of a CBM framework was built upon empirical data and, thence, a phase-based implementation guide was laid out to assist companies in designing and implementing innovative CBM dealing with the complexity of innovative waste valorisation strategies between the PPI and construction sectors. Relevant findings on managerial and policy recommendations encountered along the demo stage are provided in this paper favouring an effective implementation of CE strategies: the role of technological and non-technological aspects within the CBM, the perspective of the ecosystem and its value proposition, and specific guidelines for the different phases of CBM life cycle.
Ključne besede: circular business models (CBMs), resource recovery, waste valorisation, strategic management, pulp and paper industry (PPI), construction sector
Objavljeno v DiRROS: 13.12.2023; Ogledov: 297; Prenosov: 137
Celotno besedilo (1,06 MB)
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1567. Corrosion monitoring of steel structure coating degradationBojan Zajec, Mirjam Bajt Leban, Tadeja Kosec, Viljem Kuhar, Andraž Legat, Stanislav Lenart, Karmen Fifer Bizjak, Gavin Kenneth, 2018, izvirni znanstveni članek Povzetek: An important aspect regarding the sustainability of steel structures is to ensure the structure is protected from corrosion. A number of surface coatings are availablethat play an important role in protecting these structures. An important part of the management of these structures is reliable and regular inspection along with methods forearly detection of corrosion processes. In this paper, a development and application of sensors for monitoring the steel coating degradation and corrosion damage to steelsubstrate are presented. An encapsulated corrosion kit with integrated EIS sensors and ER probes was developed. To test its efficiency, steel probes were coated withselected coatings in the laboratory and their performance was assessed under various aggressive atmospheres, including; salt, industrial and humid atmosphere.
Ključne besede: coatings, corrosion, electrochemical impedance spectroscopy, electrical resistance probes, railways, steel structures
Objavljeno v DiRROS: 13.12.2023; Ogledov: 280; Prenosov: 140
Celotno besedilo (2,45 MB)
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1568. Potresni odziv večetažnih strižnih zidanih sten in učinek utrjevanja s kompozitnimi oblogamiPetra Triller, Miha Tomaževič, Matija Gams, 2018, izvirni znanstveni članek Povzetek: večetažnih sten, sezidanih iz modularnih zidakov, s poudarkom na opazovanju mehanizmov odziva in porušitve, ki se razvijejo v večetažnih stenah z odprtinami. Druga tema je osredotočena na raziskave utrjevanja takšnega zidovja z malto, armirano z mrežicami iz steklenih vlaken. Za raziskave smo na Zavodu za gradbeništvo Slovenije zgradili in preiskali posamezne zidove in večji trietažni preizkušanec v naravni velikosti. V cikličnem strigu pri konstantnem tlaku smo preizkusili več referenčnih in utrjenih zidov ter trietažni model dimenzij 4 x 4 m v tlorisu in višine 6,7 m. Trietažni model smo najprej obremenili do večjih, a popravljivih poškodb. Zatem smo poškodovani preizkušanec utrdili s kompozitnimi oblogami iz malte, armirane s steklenimi vlakni (GFRP), ter ga ponovno preiskali, tokrat skoraj do porušitve. V obeh primerih je bil odziv modela na vodoravno obtežbo s t. i. etažnim mehanizmom, pri katerem se večina poškodb skoncentrira v zidovih najšibkejše etaže. V zidovih smo opazili tipične strižne poškodbe z diagonalnimi razpokami. Potresno obnašanje posameznih zidov je bilo zelo podobno odzivu zidnih slopov večetažnega preizkušanca. Rezultati kažejo, da je mogoče z ustreznim načinom utrjevanja zidov doseči občutno izboljšanje potresnega obnašanja.
Ključne besede: nearmirano zidovje, laboratorijske preiskave, ciklične strižne preiskave, GFRP-kompoziti, utrjevanje
Objavljeno v DiRROS: 13.12.2023; Ogledov: 295; Prenosov: 110
Celotno besedilo (7,47 MB)
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1569. Polypropylene blends with m-EPR copolymers : mechanical and rheological propertiesIztok Švab, Anđela Pustak, Matjaž Denac, Andrijana Sever Škapin, Mirela Leskovac, Vojko Musil, Ivan Šmit, 2018, izvirni znanstveni članek Povzetek: The effects of two metallocene ethylene-propylene-based elastomers (m-EPR1 and m-EPR2) differing in molecular mass and viscosity on mechanical, rheological and interfacial properties were compared. The m-EPR elastomers were added to iPP in 2.5, 5, 10, 15, and 20 vol.%. Torque values, elongation at break and impact strength measured of the iPP/m-EPR1 blends were higher than the iPP/m-EPR2 blends due to higher molten viscosity of m-EPR1 than m-EPR2 copolymer. Slight differences in Young moduli as well as in tensile strength at yield and at break might indicate that tensile properties of iPP/m-EPR blends were not significantly affected by difference in viscosity or molecular mass, miscibility and spherulite size. Optimization diagrams indicated the metallocene m-EPR copolymers are efficient impact modifiers for polypropylene and showed good balancing of mechanical properties in iPP/m-EPR blends.
Ključne besede: isotactic polypropylene, metallocene ethylene-propylene-based elastomers, blend, mechanical properties, adhesion parameters
Objavljeno v DiRROS: 13.12.2023; Ogledov: 341; Prenosov: 163
Celotno besedilo (3,19 MB)
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