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Povzetek: Ambrosia beetles of the subfamily Scolytinae (Coleoptera: Curculionidae) have successfully invaded many parts of the world and are increasingly being introduced to new areas, primarily through international trade. The number of non-native species recorded in Slovenia is also increasing. During the national survey of quarantine species in 2024, a new non-native scolytine beetle, Cnestus mutilatus, was recorded for the first time in Slovenia. Two specimens were trapped at Radmožanci, a location in northeastern Slovenia. New data on two other species recently recorded in Slovenia, Anisandrus maiche and Xylosandrus compactus, are also presented.
Ključne besede: ambrosia beetles, biological invasions, forest, invasive alien species, trapping
Objavljeno v DiRROS: 30.06.2025; Ogledov: 436; Prenosov: 496
Celotno besedilo (4,02 MB)
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Povzetek: The utilisation of surplus hydro energy can enhance the profitability of hydropower plant operation by cogeneration of green hydrogen along regular electricity production. Effective integration of the hydrogen system requires its appropriate sizing based on surplus hydro energy availability, its temporal dynamics, scheduled electricity generation, and expected hydrogen demand. The article introduces a decision-support tool designed for the optimal sizing of hydrogen systems in run-of-river hydropower plants with surplus hydropower. In contrast to conventional methods, the developed tool enables rapid configuration of key hydrogen-system components without relying on complex optimisation algorithms. Implemented in MATLAB App Designer, the tool provides a visual inspection of the entire search space, thus avoiding possible sub-optimal solutions. The tool has been tested on the case-study hydropower plant and it demonstrates the capabilities for proper sizing of a hydrogen system. The results show that the hydrogen system with 0.75-MW electrolyser and 20 m3 storage tank can generate up to 52,652 € in a rainy month and can produce up to 86 tonnes of hydrogen annually, achieving approximately 440,000 € of additional income. The tool can provide valuable insights into hydrogen system's installation profitability, to guide investment decisions in sustainable hydrogen infrastructure and can contribute to broader energy transition strategies.
Ključne besede: surplus hydro energy, optimisation, sizing, green hydrogen
Objavljeno v DiRROS: 30.06.2025; Ogledov: 393; Prenosov: 227
Celotno besedilo (16,55 MB)
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Povzetek: Razprava na osnovi arhivskega gradiva in literature obravnava oblikovanje in razvoj vojaške formacije in vojaškega delovanja Slovenskega domobranstva. Ugotavlja, da je Slovensko domobranstvo z razvojem političnega in vojaškega položaja v Ljubljanski pokrajini hitro spreminjalo svojo sestavo in vojaško delovanje. Enote so tako iz defenzivnih obrambno policijskih sestavov, ki so bili v vojaških postojankah, prerastle v pretežno ofenzivne napadalne vojaške formacije hitro premičnih udarnih bataljonov. Ovira v samostojnem vojaškem delovanju enot Slovenskega domobranstva v boju proti partizanskim enotam pa je bil nadzor nemških policijskih in kasneje tudi vojaških poveljnikov.
Ključne besede: vojaške formacije, vojaško delovanje
Objavljeno v DiRROS: 28.06.2025; Ogledov: 443; Prenosov: 125
Celotno besedilo (3,12 MB)

Povzetek: Accurate imaging methods are important for understanding electrodeposition phenomena in metal batteries. Among the suitable imaging methods for this task is magnetic resonance imaging (MRI), which is a very powerful radiological diagnostic method. In this study, MRmicroscopy was used to image electroplating in a lithium symmetric cell, which was used as a model for a lithium-metal battery. Lithium electrodeposition in this cell was studied by sequential 3D 1H MRI of 1 M LiPF6 in EC/DMC electrolyte under different charging conditions, which resulted in different dynamics of the amount of electroplated lithium and its structure. The acquired images depicted the electrolyte distribution, so that the images of deposited lithium that did not give a detectable signal corresponded to the negatives of these images. With this indirect MRI, phenomena such as the transition from a mossy to a dendritic structure at Sand’s time, the growth of whiskers, the growth of dendrites with arborescent structure, the formation of dead lithium, and the formation of gas due to electrolyte decomposition were observed. In addition, the effect of charge and discharge cycles on electrodeposition was also studied. It was found that it is difficult to correctly predict the occurrence of these phenomena based on charging conditions alone, as seemingly identical conditions resulted in different results.
Objavljeno v DiRROS: 27.06.2025; Ogledov: 400; Prenosov: 137
Celotno besedilo (2,12 MB)

Povzetek: Background Enterovirus D68 (EV-D68) causes respiratory disease ranging from mild to severe and in rare cases a paralytic syndrome, called acute flaccid myelitis (AFM). Since the global EV-D68 outbreak in 2014, the virus has mainly circulated in biennial epidemic cycles with peaks detected during even years. However, following the COVID-19 pandemic, the seasonal pattern of EV-D68 has been characterized by large yearly upsurges. Here, we describe the circulation of EV-D68 in Europe in 2023 and track its genetic evolution. Study design Data was compiled from members of the European Non-Polio Network (ENPEN). This included monthly data on the total number of EV samples tested, EV positive samples, EV-D68 positive samples and cases, and other EV positive samples detected in 2023. Information on sample types and surveillance system was recorded. Sequence data from the VP1 gene was used for phylogenetic and amino acid sequence analysis. Results EV was detected in 13,585 out of 203,622 diagnostic samples tested (6.7 %), of which 402 (3.0 %) were determined as EV-D68, representing 386 cases. EV-D68 infections peaked in October 2023 (136/386; 35.2 %). 267/386 (69.2 %) of EV-D68 cases were captured through clinical EV surveillance, almost all of which (202/204 of positive samples with sample type information) were detected in respiratory specimens. Phylogenetic analysis performed on 99 VP1 sequences revealed a distinct B3-derived lineage with a previously undescribed residue change, D554E, in Europe. Conclusions The study documents sustained circulation of EV-D68 in Europe in 2023, the evolution of B3-derived lineages, and appearance of previously undescribed amino acid substitutions in Europe. This stresses the need for continuous EV-D68 surveillance and harmonization of EV-D68 detection practices towards better data comparability across countries.
Ključne besede: Enterovirus D68 (EV-D68), Europe, Epidemiology, B3-derived, lineages, Surveillance
Objavljeno v DiRROS: 27.06.2025; Ogledov: 494; Prenosov: 328
Celotno besedilo (2,86 MB)
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