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    Wyświetlanie 1-14 z 14
    Tytuł:
    Surface roughness and wettability performance of thermally modified rowan wood as a fast-growing species
    Autorzy:
    Candan, Zeki
    Görgün, Hızır Volkan
    Korkut, Süleyman
    Ünsal, Öner
    Powiązania:
    https://bibliotekanauki.pl/articles/2067429.pdf
    Data publikacji:
    2021
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Technologii Drewna
    Tematy:
    fast-growing species
    rowan wood
    surface roughness
    thermal modification
    wettability
    Opis:
    This study aims to examine the effect of the thermal modification process on the surface roughness properties of the wood of rowan (Sorbus aucuparia L.) as a fast-growing species. Four thermal modification processes were applied, with temperatures of 160 and 180°C and durations of 2 and 4 hours. In total five groups were compared, including the untreated group. Arithmetical mean roughness, maximum height, ten-spot average roughness, and root-mean-square deviation were measured using a stylus-type profilometer, both parallel and perpendicular to the grain, according to the JIS B 0601 standard. Wettability was determined by measuring the contact angle of a droplet of distilled water. After dripping, the camera captured several images to measure the contact angle. The results showed that thermal modification decreases the wettability of the samples. Moreover, increments in temperature and duration may further decrease wettability. On the other hand, there are no significant differences between groups in terms of the surface roughness values, measured both parallel and perpendicular to the grain, except for two groups. It is concluded that these process conditions did not substantially change the surface roughness properties of rowan wood panels. However, the decrease in wettability may provide new possibilities for the use of less-known wood species.
    Źródło:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty; 2021, 64, 208; 35--44
    1644-3985
    Pojawia się w:
    Drewno. Prace Naukowe. Doniesienia. Komunikaty
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Występowanie Phytophthora cactorum na jarząbie zwyczajnym (Sorbus aucuparia) w szkółkach leśnych
    The occurrence of Phytophthora cactorum on rowan (Sorbus aucuparia) in forest nurseries
    Autorzy:
    Orlikowski, L.B.
    Duda, B.
    Oszako, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1023374.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    wystepowanie
    grzyby
    czynniki chorobotworcze
    Phytophthora cactorum
    szkolki lesne
    Sorbus aucuparia
    lesnictwo
    jarzab pospolity
    drzewa lesne
    fitopatologia lesna
    phytophthora spp.
    inoculation
    rowan
    disease
    stem necrosis
    isolation
    Opis:
    Phytophthora cactorum was isolated from about half of the rowan seedlings taken from 2 nurseries. Additionally, Botrytis cinerea and Fusarium solani were found in diseased tissues. In laboratory trials, the pathogen colonized plants of the family Rosaceae, and most especially Prunus avium, Pyrus communis and Rosa canina, as well as Alnus glutinosa, Betula verrucosa and coniferous plants. In a greenhouse trial, isolates from rowan and rhododendron were found to cause necrosis of the stem base, with a rate of disease spread of about 1.3 mm/24 h.
    Źródło:
    Sylwan; 2004, 148, 10; 67-72
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Morphological leaf variability of rowan [Sorbus aucuparia L. Emend. Hedl. subsp. aucuparia] in the Wielkopolska National Park
    Zmiennosc morfologiczna lisci jarzebu pospolitego [Sorbus aucuparia L. Emend. Hedl. subsp. aucuparia] w Wielkopolskim Parku Narodowym
    Autorzy:
    Bednorz, L.
    Byzia, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/878270.pdf
    Data publikacji:
    2005
    Wydawca:
    Uniwersytet Przyrodniczy w Poznaniu
    Tematy:
    variability
    Sorbus aucuparia
    Wielkopolski National Park
    Polska
    botany
    rowan
    morphological variability
    leaf
    Wielkopolska region
    multivariate statistical analysis
    Źródło:
    Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana; 2005, 09
    1896-1908
    Pojawia się w:
    Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The relationship between will and reason in the moral philosophies of Kant and Aquinas
    Autorzy:
    Rowan, Anna M.
    Powiązania:
    https://bibliotekanauki.pl/articles/426631.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Papieski Jana Pawła II w Krakowie
    Tematy:
    Aquinas
    Kant
    will
    reason
    ontological foundation of moral action
    Opis:
    Both Kant and Aquinas ground moral action in reason and will; however, this seems to be the end of the similarity in their approaches with respect to the role of reason and will in moral action. The goal of this essay is to show that Aquinas’ notion of the will as the rational appetite is superior to Kant’s notion of good will in providing the foundation for moral action. To this effect, I analyze the relationship between will and reason in their moral philosophies. I discuss Kant’s notion of will in both its moral and phenomenal modes, and Aquinas’ notion of will as the rational appetite and of human act. I argue that Aquinas’s notion of will and moral act is superior to that of Kant for several reasons. First and foremost, the notion of morally worthy action accommodates human nature with its inclinations, tendencies, and desires. It is not divorced from human physical and emotional nature. Second, in contrast to Kant’s will, Aquinas’s will retains its own identity. That is, it avails itself of reason’s search for truth and meaning, yet it does not collapse into reason, specifically logic. Third, Aquinas’ will is dynamic. In contrast to Kant’s, which in order to be moral simply follows the laws of logic, Aquinas’ will desires the good and propels a person to action. Finally, Aquinas’ notion of human act, in the sense that it involves both the counsel of reason and will’s capacity to desire the good, offers a more holistic understanding of human moral act and its possible consequences. In contrast to Kant’s will’s rigid command to obey the law, Aquinas’ notion of will and human act also gives reasons why we need to be moral. We must act morally, not only because our action would otherwise be self-contradictory or not live up to the letter of the law, but because our choices and our actions have real consequences in the world.
    Źródło:
    Logos i Ethos; 2015, 1(38); 93-130
    0867-8308
    Pojawia się w:
    Logos i Ethos
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new fossil Adamussium (Bivalvia: Pectinidae) from Antarctica
    Autorzy:
    Quaglio, Fernanda
    Whittle, Rowan Jane
    Gaździcki, Andrzej
    Guimarães, Simões Marcello
    Powiązania:
    https://bibliotekanauki.pl/articles/2051572.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Antarctica
    Adamussium
    Pectinidae
    Destruction Bay Formation
    Oligocene
    Źródło:
    Polish Polar Research; 2010, 4; 291-302
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nature and origin of large-scale and intrasalt deformation within the Wieliczka salt mine, Poland
    Autorzy:
    Rowan, Mark G.
    Krzywiec, Piotr
    Bukowski, Krzysztof
    Przybyło, Jerzy
    Powiązania:
    https://bibliotekanauki.pl/articles/2060138.pdf
    Data publikacji:
    2020
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    salt tectonics
    intrasalt de formation
    salt mine
    Wieliczka
    northern Carpathians
    Opis:
    The Wieliczka salt mine, near Kraków in southern Poland, is a world-famous historical and modern destination for both geoscientists and tourists. Despite numerous publications, there is still a lack of consensus on the nature and origin of the large-scale folds as well as whether the small-scale structures represent tectonic or soft-sediment deformation. In this preliminary work, we offer new ideas on both aspects. At the large scale, we emphasize the mechanical stratigraphy of the layered evaporite sequence, which comprises a thin basal weak layer, a thin strong unit, a thicker weak layer, and a thicker strong unit. We suggest that the inclined to recumbent folds and thrusts formed tectonically due to over thrust shear between the basal detachment and the overriding Carpathian frontal thrust, with different structural styles decoupled by the thick weak layer. At the small scale, we suggest that there was early extension directed toward the east to north-east, followed by contraction vergent toward the north. We infer that there was early, syndepositional gravity gliding down a topographic slope dipping into the coeval Gdów depocenter to the east, and that subsequent north-directed Carpathian shortening generated the small-scale contractional structures as the larger folds were developing.
    Źródło:
    Geological Quarterly; 2020, 64, 4; 819--837
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Promoting sustainable and circular plastics use in Egipt with implementation of ecodesign principles
    Autorzy:
    Obrecht, Matevz
    El Haddad, Rawan
    Abd Elbary, Rowan
    Kovačič-Lukman, Rebeka
    Powiązania:
    https://bibliotekanauki.pl/articles/88578.pdf
    Data publikacji:
    2019
    Wydawca:
    Stowarzyszenie Menedżerów Jakości i Produkcji
    Tematy:
    eco-design
    waste management
    plastics
    sustainable consumption and production
    Egypt
    ekoprojektowanie
    tworzywa sztuczne
    zrównoważona konsumpcja i produkcja
    Egipt
    Opis:
    Green Supply chain, Green Packaging, Eco-labels, and Eco-design strategies are concepts that are discussed frequently within scientific and political debates. Eco-design strategies for Lifecycle Design include the Eco-design Strategy wheel which presents eight Eco-design strategies: New concept development, Selection of low-impact materials, Reduction of materials usage, Optimization of production techniques, Optimization of distribution system, Reduction of impact during use, Optimization of initial lifetime, and Optimization of end-of-life system. This research investigates specifically the selection of low impact raw materials phase using the European Union as a benchmark to improve the Egyptian situation and aims to apply the closed loop cycle to the Egyptian Plastics Industry. Its goal is to enlight the way towards Sustainable and Circular economy system in Plastics manufacturing sector in Egypt while emphasizing the financial benefits from the Business and Marketing perspectives rather than the Environmental perspective only.
    Źródło:
    System Safety : Human - Technical Facility - Environment; 2019, 1, 1; 441-448
    2657-5450
    Pojawia się w:
    System Safety : Human - Technical Facility - Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tempo wzrostu jarzębiny (Sorbus aucuparia L.) a rozpad górnoreglowego drzewostanu świerkowego
    The growth rate of rowan [Sorbus aucuparia L.] versus subalpine spruce stand break down
    Autorzy:
    Żywiec, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1012925.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    wzrost roslin
    odnowienia lasu
    Babia Gora
    tempo wzrostu
    drzewostany swierkowe
    lasy gorskie
    Sorbus aucuparia
    zamieranie lasow
    regiel gorny
    lesnictwo
    jarzab pospolity
    luki drzewostanowe
    babia góra national park
    sorbus aucuparia l.
    subalpine spruce forest
    growth rate
    stand breakdown
    Opis:
    The paper presents temporal relationships between the breakdown of tree stand in the subalpine spruce forest and the regeneration of rowan (Sorbus aucuparia L) as well as the rate of height growth of rowan stems. Rowans growing in a large gap recruited mostly from the seedling and sapling bank established under the living spruce stand before its breakdown. The rate of stem height growth was five times higher after the gap formation than under spruce stand. In spite of considerable age differences of rowans the variability in their final height after over 20 years of rapid growth was small.
    Źródło:
    Sylwan; 2008, 152, 04; 38-45
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-14 z 14

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