1941. Study on dissolution of Ba-containing inoculant in ductile cast iron melt and nucleation of graphiteMarica Tonkovič-Prijanovič, Primož Mrvar, Jaka Burja, Črtomir Donik, Mitja Petrič, 2023, original scientific article Keywords: inoculant, inoculant dissolving, reaction zone, phase composition, graphite nucleation, ductile cast iron, barium inoculant Published in DiRROS: 07.02.2024; Views: 347; Downloads: 205 Full text (17,37 MB) This document has many files! More... |
1942. An outbreak of Verticillium dahliae on sycamore maple in a forest stand in SloveniaAna Brglez, Zina Devetak, Nikica Ogris, Sebastjan Radišek, Barbara Piškur, 2024, original scientific article Abstract: Verticillium dahliae Kleb., the causal agent of Verticillium wilts, is a devastating plant disease affecting many plant species. Fungus V. dahliae was detected in a partially artificially established Acer pseudoplatanus L. forest stand in central Slovenia. This finding incited further study about the risk of different sources of V. dahliae isolates for maples in forests and the pathogenicity of three V. dahliae isolates of different origins was tested on saplings of A. pseudoplatanus, A. platanoides L., and A. campestre L. The inoculated saplings exhibited disease symptoms, i.e., leaf necrosis and wilting. At the end of the pathogenicity test, typical xylem browning was visible on the cross-sections, and the pathogen was successfully re-isolated. The isolates showed significant differences in their pathogenicity to specific maple hosts, with the agricultural isolate (originated from bell pepper) being the most aggressive on all three maple species. The disease severity index (DSI) and relative area under the disease progress curve (rAUDPC), as well as the success of re-isolation, indicate that A. platanoides is the most susceptible to inoculation with V. dahliae. In addition, significant differences in sapling biomass were observed between treated and control plants. These results suggest that maples in forest stands are threatened by V. dahliae, and biosecurity measures should be considered and implemented in forest management to reduce the transmission and potential spread of the pathogen. Keywords: Verticillium wilt, Acer spp., pathogenicity test, Disease severity index, DSI, Area under the disease progress curve, AUDPC, biosecurity Published in DiRROS: 07.02.2024; Views: 504; Downloads: 481 Full text (1,72 MB) This document has many files! More... |
1943. Small cellular particles from European spruce needle homogenateMarko Jeran, Anna Romolo, Vesna Spasovski, Matej Hočevar, Urban Novak, Roman Štukelj, Vid Šuštar, Matic Kisovec, Apolonija Bedina Zavec, Ksenija Kogej, Aleš Iglič, Polonca Trebše, Veronika Kralj-Iglič, 2023, original scientific article Keywords: Picea abies, spruce needles, extracellular particles, extracellular vesicles, small cellular particles, interferometric light microscopy, exosomes, cell-to-cell communication, drug delivery Published in DiRROS: 07.02.2024; Views: 393; Downloads: 226 Full text (2,49 MB) This document has many files! More... |
1944. A coupled domain–boundary type meshless method for phase-field modelling of dendritic solidification with the fluid flowTadej Dobravec, Boštjan Mavrič, Rizwan Zahoor, Božidar Šarler, 2023, original scientific article Abstract: Purpose - This study aims to simulate the dendritic growth in Stokes flow by iteratively coupling a domain and boundary type meshless method. Design/methodology/approach - A preconditioned phase-field model for dendritic solidification of a pure supercooled melt is solved by the strong-form space-time adaptive approach based on dynamic quadtree domain decomposition. The domain-type space discretisation relies on monomial augmented polyharmonic splines interpolation. The forward Euler scheme is used for time evolution. The boundary-type meshless method solves the Stokes flow around the dendrite based on the collocation of the moving and fixed flow boundaries with the regularised Stokes flow fundamental solution. Both approaches are iteratively coupled at the moving solid–liquid interface. The solution procedure ensures computationally efficient and accurate calculations. The novel approach is numerically implemented for a 2D case. Findings - The solution procedure reflects the advantages of both meshless methods. Domain one is not sensitive to the dendrite orientation and boundary one reduces the dimensionality of the flow field solution. The procedure results agree well with the reference results obtained by the classical numerical methods. Directions for selecting the appropriate free parameters which yield the highest accuracy and computational efficiency are presented. Originality/value - A combination of boundary- and domain-type meshless methods is used to simulate dendritic solidification with the influence of fluid flow efficiently. Keywords: dendritic solidification, Stokes flow, phase-field method, space-time adaptivity, meshless methods, RBF-FD, modified method of regularised sources Published in DiRROS: 07.02.2024; Views: 416; Downloads: 192 Full text (1,07 MB) This document has many files! More... |
1945. Oligomeric fragments distribution, structure and functionalities upon ruthenium-catalyzed technical lignin depolymerizationTina Ročnik, Erika Bartolomei, Anthony Dufour, Sébastien Leclerc, Philippe Arnoux, Blaž Likozar, Edita Jasiukaityte, Miha Grilc, Yann Le-Brech, 2024, original scientific article Published in DiRROS: 07.02.2024; Views: 319; Downloads: 175 Full text (4,79 MB) This document has many files! More... |
1946. Insights into microstructural evolution of tungsten-tungsten carbide plasma facing composite materials prepared by field assisted sintering techniqueAljaž Iveković, Matej Kocen, Petra Jenuš, Anže Abram, Črtomir Donik, Saša Novak, 2023, original scientific article Keywords: tungsten, tungsten carbide, interface, microstructure, fusion energy Published in DiRROS: 07.02.2024; Views: 361; Downloads: 197 Full text (14,95 MB) This document has many files! More... |
1947. In vitro evaluation of stress corrosion cracking susceptibility of PEO-coated rare-earth magnesium alloy WE43Julia Nachtsheim, Songyun Ma, Jaka Burja, Bernd Markert, 2024, original scientific article Keywords: stress corrosion cracking, PEO coating, biodegradable magnesium alloys, SCC test setup, in vitro experiments Published in DiRROS: 07.02.2024; Views: 375; Downloads: 213 Full text (16,00 MB) This document has many files! More... |
1948. Microstructure and properties variation of high-performance grey cast iron via small boron additionsGrega Klančnik, Jaka Burja, Urška Klančnik, Barbara Šetina, Luka Krajnc, Andrej Resnik, 2024, original scientific article Keywords: boron, cast iron, solidification, thermal analysis, Thermo-Calc Published in DiRROS: 07.02.2024; Views: 431; Downloads: 194 Full text (3,11 MB) This document has many files! More... |
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1950. An outline of the history of radiotherapy at the Institute of oncology in Ljubljana from its beginning till 1980sAleksandra Oklješa Lukič, Karmen Hübscher, 2003, professional article Abstract: Background. The article presents the milestone events in the history of radiotherapy at the lnstitute of Oncology since its establishment till 1980s. It reviews the facts deduced from various jubilee publications, seminar reports and staff interviews of the Institute of Oncology. The aim of the article is to present the chronological history of radiotherapy at the Institute of Oncology, and to supplement the fragmented and incomplete recordswritten in the past. Conclusions. Available records are occasionally discrepant, but the most significant events in the history of the Institute ofOncology and its Radiotherapy Ward can nevertheless be ascertained. Published in DiRROS: 06.02.2024; Views: 287; Downloads: 51 Full text (212,78 KB) |