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Abstract: Protein-based fish adhesives have historically been used in various bonding applications; however, due to the protein’s high affinity for water absorption, these adhesives become destabilized in high-moisture environments, resulting in reduced bondline strength and early failure. This limitation makes them unsuitable for industrial applications with higher demands. To address this issue, water-insoluble raw powder materials such as iron, copper, or zeolite were incorporated into natural fish adhesives. In this study, the hygroscopicity, dry matter content, thermal analysis (TGA/DSC), FT-IR spectroscopy, surface tension measurements, vapour permeability, and scanning electron microscope (SEM) of the modified adhesives were determined. In addition, the bonding properties of the modified adhesives were evaluated by the tensile shear strength of the lap joints, and mould growth was visually inspected. The resulting modified protein-based adhesives demonstrated improved stability in high humidity environments. Enhancing the hygroscopic properties of protein-based fish adhesives has the potential to unlock new opportunities and applications, providing a healthier and more environmentally sustainable alternative to petroleum-based adhesives.
Keywords: protein‐based adhesive, polymer stabilization, hygroscopicity, fish adhesive modification, fish industry waste, circular economy, bonding properties
Published in DiRROS: 12.08.2024; Views: 325; Downloads: 328
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Abstract: This Toolkit was created by the Law Institute of the Science and Research Centre of Koper, Slovenia, as a deliverable of the Innocent project funded by the European Commission under the JUST Programme and coordinated by the Law and Internet Foundation, Bulgaria. It aims at enhancing the application of the presumption of innocence when handling electronic evidence (e-evidence) in criminal proceedings and empowering legal practitioners to critically review e-evidence from procedural rights perspective. It is designed to enhance understanding of the legal and practical challenges encountered by judges, prosecutors and defence lawyers (particularly those operating in Central and Eastern Europe) in the acquisition of e-evidence by law enforcement agencies, evaluation of admissibility of e-evidence by judges, and cross-border access to and exchange of e-evidence. Exploring the different stages in the ‘life cycle’ of e-evidence, this Toolkit concerns data and evidence stored in various electronic devices and online information systems, including computers, smartphones, tablets, smartwatches, electronic appliances, portable media (e.g., USB sticks, external hard drives) and clouds, associated with individuals suspected or accused of criminal offenses, as well as those in the possession of other individuals. It also concerns electronic data and evidence held by telecommunication and internet service providers registered in domestic or foreign jurisdictions. However, it does not address legal and/or practical considerations related to interception and obtaining real-time electronic data and evidence from telecommunications operators and refrains from exploring issues concerning the collection of electronic data (and evidence) through techniques of mass surveillance, as well as strategies like “predictive risk-assessment” or other similar approaches aimed at preventing crime and enhancing law enforcement capabilities.
Published in DiRROS: 09.08.2024; Views: 284; Downloads: 176
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Abstract: The chapters in this volume provide rich evidence of the increasing variety and cultural diversity of science communication practices across the world (Bucchi & Trench, 2021). Collectively, the science communication initiatives described here exemplify a range of progressive approaches, including dialogue, active engagement, learning-by-doing, and co-construction of knowledge, that in various ways reflect re-inventions or re-imaginings of science communication. In addition, this collection of work points to the inevitable conclusion that dialogue is necessary not just between science and society but also between science communication practitioners and researchers from different ecologies – countries, cultures, institutions and practices. We thus see this volume as a contribution to longitudinal studies of science communication across contexts, disciplines, purposes, and formats. Only in this way can the ecosystem of science communication continue to grow more diverse and self-reflective.
Published in DiRROS: 09.08.2024; Views: 285; Downloads: 201
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Published in DiRROS: 08.08.2024; Views: 357; Downloads: 148
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Abstract: Raziskava prinaša nova spoznanja in izzive s področij ribištva v Sloveniji in z njim povezanih panog. Z intervjuji smo pridobili primarne podatke za raziskovanje, ki je vključevalo različne vidike in segmente ribiškega trga v Sloveniji, s poudarkom na socio-ekonomskih dejavnikih. Preučevali smo ribolov in vzrejo školjk ter rib v morju in v celinskih vodah, povezovanje ribištva s turizmom, predelavo ribiških izdelkov, zlorabe na ribiškem trgu in sorodne teme kakortudi možnosti za trajnostni razvoj ribištva v slovenskem morju in v celinskih vodah. Rezultati intervjujev so nam dali vpogled v vrsto težav in v možne rešitve, kot so jih predvideli različni deležniki, povezani s trgom rib. V zaključku raziskave so predstavljeni ugotovitve o trgu rib, možne smeri in vplivi na razvoj trga rib. Glede na ugotovljene težave smo podali tudi predloge, ki bi lahko izboljšali stanje v ribištvu in na trgu rib v Sloveniji. Raziskava je prinesla nekaj pomembnih ugotovitev, kot so: slovenski potrošniki pojedo mnogo manj rib v primerjavi z ostalimi članicami Evropske unije, slabo so ozaveščeni o ribolovnih izdelkih in ozaveščanje je preveč kratkoročno usmerjeno, da bi dosegli spremembe. V vseh dejavnostih, povezanih s trgom rib, je potrebno zmanjšati vplive na okolje, kar bo pomagalo ohranjati ribolovne vire v naravnih vodah.
Keywords: prehranska varnost, ribolov, ribogojstvo, akvakultura, trajnostni razvoj, zakonodaja, kvaliteta, trženje, razvojne perspektive, elektronske knjige
Published in DiRROS: 08.08.2024; Views: 282; Downloads: 228
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