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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Herold, Peter;

    Firma Mörtl, Pöttmes; heute: ZIEGLER GmbH Deutschland, Schrobenhausener Str. 74, D – 86554 Pöttmes

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DSpace an der Univer...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    DSpace an der Universität Kassel
    Doctoral thesis . 2017
    License: "In Copyright" Rights Statement
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DSpace an der Univer...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      DSpace an der Universität Kassel
      Doctoral thesis . 2017
      License: "In Copyright" Rights Statement
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  • Authors: Baumkötter, Daniel;

    Bei der Biogastechnologie existieren verschiedenste Ansätze zur Optimierung des Verfahrens. Eine Möglichkeit ist die Vorbehandlung der eingesetzten Substrate, um höhere Biogasausbeuten zu erzielen, neue Substrate zu erschließen und die Gesamtwirtschaftlichkeit von Biogasanlagen zu erhöhen. Für diese Vorbehandlung werden vor allem mechanische Zerkleinerungstechnologien eingesetzt, die konstruktiv sehr unterschiedlich gestaltet sind. Daher wurde im Rahmen dieser Arbeit erstmalig eine systematische Untersuchung der mechanischen Vorbehandlung anhand eines Prallreaktors hinsichtlich Partikelgrößenverteilung, Biogasertrag und Stromverbrauch für verschiedene Substrate durchgeführt. Ziel dieser Arbeit war somit die Optimierung und Bewertung der Technologie „Prallreaktor“ zur Vorbehandlung lignocellulosehaltiger Substrate für eine landwirtschaftliche Biogasanlage. Für die Versuche wurden Substrate mit modellhaftem Charakter ausgewählt, die eine Übertragbarkeit der Ergebnisse auch auf vergleichbare Substrate zulassen. Dabei handelte es sich um Triticalestroh, Hafer-Ganzpflanzensilage, Maisstroh und Pferdemist. Zudem wurde die Substratmischung einer Biogasanlage, bei der auch ein Prallreaktor für die Vorbehandlung eingesetzt wird, mit hohen Anteilen Grassilage (53 % Grassilage, 40 % Maissilage und 7 % Rinder- und Pferdemist) untersucht. Bei allen untersuchten Substraten zeigte sich durch die Vorbehandlung eine Verringerung der Partikelgröße. Wie zu erwarten, war für feinere Partikelgrößen auch ein höherer Aufwand und somit Stromverbrauch erforderlich. Allerdings konnte kein direkter Zusammenhang zwischen einer feineren Partikelgröße und einem Mehrertrag an Methan hergestellt werden. Somit führt eine Steigerung der Aufbereitungsintensität nicht unbedingt zu einer Steigerung des mikrobiellen Abbaus. Wesentliches Ziel der Substratvorbehandlung war neben dem Einsatz alternativer Substrate die Steigerung der Biogaserträge. So war durch die mechanische Vorbehandlung von Triticalestroh eine Steigerung beim Methanertrag von bis zu ...

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  • Authors: Petz, Sabine Angela;

    Landwirt*innen sind Akteur*innen der Kulturlandschaft mit großer Flächenverantwortung. Knapp die Hälfte der landwirtschaftlich genutzten Flächen Österreichs (exklusive Forst) ist Ackerland. Landwirt*innen gestalten über ihre Entscheidungen zur Landnutzung Agrarökosysteme und damit verbundene Ökosystemleistungen mit. Die vorliegende Masterarbeit erforscht das Entscheidungsverhalten von Landwirt*innen im Produktionsschwerpunkt Ackerbau hinsichtlich der maßgeblichen sozio-ökonomischen und ökologischen Faktoren und deren Relevanz bei der Umsetzung von Klima- und Umweltschutzmaßnahmen. Im Rahmen dieser Arbeit wurden elf Leitfadeninterviews mit Betriebsleiter*innen in den politischen Bezirken Wiener Neustadt Land und Oberpullendorf geführt und mittels qualitativer Inhaltsanalyse ausgewertet. Auf Landwirt*innen wirken externe und interne Faktoren in der Entscheidungsfindung ein. Externe Faktoren stellen Rahmenbedingungen dar wie z.B.: gesellschaftspolitische Ansprüche an Landwirtschaft, Markt- und Fördersituation als auch klimatische Bedingungen. Rahmenbedingungen unterliegen stetigen Veränderungen, welche von Landwirt*innen in deren Bewirtschaftung bedacht werden (müssen). Entscheidungen fallen hierbei in einem individuellen Kontext (interne Faktoren), welcher unterschiedliche Motivationen und Ressourcen umfasst und charakteristisch ist für die Diversität der Landwirt*innen und deren Bewirtschaftungsstilen. Die Ergebnisse deuten darauf hin, dass sich externe und interne Faktoren in der Entscheidungsfindung wechselseitig beeinflussen und in einem dynamischen Verhältnis zueinander stehen. Die Einflussfaktoren zeigen sich hierbei annähernd gleichbedeutend (externe Faktoren: 50,4 %; interne Faktoren: 49,6 %). Nach Häufigkeit der Nennungen ergibt sich folgende Reihung: 26 % landwirtschaftliche Philosophie (intern), 24 % individuelle Ressourcen (intern), 23 % Umwelt- und Standortbedingungen (extern), 20 % wirtschaftliche Rahmenbedingungen (extern), 5 % gesellschaftliche- (extern) und 2 % politische Rahmenbedingungen ...

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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Houaijia, Anis; Monnerie, Nathalie; Roeb, Martin; Sattler, Christian;
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    Other ORP type . 2013
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    Authors: Günther, Kurt P.;
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DLR publication serv...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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    Other ORP type . 2009
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DLR publication serv...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Gorzalka, Philip; Estevam Schmiedt, Jacob; Dahlke, Dennis; Frommholz, Dirk; +7 Authors
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DLR publication serv...arrow_drop_down
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    Other ORP type . 2018
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DLR publication serv...arrow_drop_down
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Schauß, Thorsten;

    Diese Arbeit zeigt pflanzliche Alternativen zum Silomais auf, die als Biogassubstrat Verwendung finden sollen. In diesem Fall werden Gräser (Lolium perenne als Hochzuckergrasvariante und Lolium perenne als normale Vergleichssorte) und Leguminosen (Trifolium pratense, Medicago sativa und Lotus corniculatus) in Rein- und Mischbeständen auf ihre Eignung untersucht. Mit Hilfe zweier Kolbenfermentationsversuche wird das Gärverhalten und die damit verbundene Gesamtgasausbeute der Substrate quantitativ ermittelt. Die Gasausbeuten werden mit den Ergebnissen aus Futterqualitätsuntersuchungen verknüpft und auf Zusammenhänge geprüft. Die höchste Gasproduktion erreicht das Hochzuckergras in Reinsaat, gefolgt von den Hochzuckergrasmischungen mit Medicago sativa und Trifolium pratense. Es zeigen sich starke Beziehungen zwischen den Gasausbeuten und dem Gehalt an wasserlöslichen Kohlenhydraten und der Verdaulichkeit. Weniger stark stellt sich der Zusammenhang zum Stickstoffgehalt dar, das Bestehen einer Konzentrationsschwelle ist wahrscheinlich. Auch der erhöhte Gehalt an Tanninen in Lotus corniculatus zeigt sich in der Gasausbeute. In this work new crop biogas substrates are investigated as an alternative to silo corn. Here, grass (Lolium perenne as Sweetgrass and normal Lolium perenne as comparison) and legumes (Trifolium pratense, Medicago sativa and Lotus corniculatus) in pure stand and mixed stand are tested. The fermentation characteristics as well as the total gas formation are quantified using two piston-fermentation tests. The total gas formation is further correlated to the results of a feed-analyzing test to check for any interconnection. The highest gas production is accomplished by the Sweetgrass in pure stand, followed by the Sweetgrass mixtures with Medicago sativa and Trifolium pratense. Strong correlations between the quantity of gas production and the content of water soluble carbohydrates and digestibility are demonstrated. The link between gas production and nitrogen content is less pronounced, likely due to a concentration threshold. The higher content of tannins in Lotus corniculatus is shown in the gas yield as well.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Giessener Elektronis...arrow_drop_down
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Simon, Sonja;
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DLR publication serv...arrow_drop_down
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  • Authors: Penzkofer, Horst;

    Der ifo Innovationstest für das Verarbeitende Gewerbe wird seit 1982 jährlich im Verarbeitenden Gewerbe vom ifo Institut erhoben. Kern des Fragenprogramms sind qualitative und quantifizierte Angaben zur Innovationstätigkeit der Unternehmen, insbesondere zu den Innovationszielen und –aufwendungen. Des Weiteren geben die Firmen Informationen zu Innovationshemmnissen sowie –impulsen (intern/extern). The Ifo Innovation Survey for Industry has been conducted by the Ifo Institute on an annual basis since 1982. Qualitative and quantitative responses on the innovativeness of companies, particularly their innovation goals and expenditure, constitute the main focus of the survey. Companies are also asked to provide information on innovation constraints and (internal/external) impulses. Self-administered questionnaire

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    For well-founded decisions in sustainable timber harvesting, it is important to know the preferences of the different stakeholders. The concept of sustainable timber harvesting is to incorporate economic, social, and environmental criteria in the selection, execution and assessment of harvesting operations. In a previous study, 33 criteria were identified by forest experts as relevant for evaluating sustainability. To assess the importance of these criteria, an online survey was conducted among Austrian stakeholders between April and May 2023, in which 610 people were invited to participate and which resulted in a response rate of 47%. The survey participants were primarily male (94%), with an average age of 47 and an average of 20 years of work experience. The key criteria for sustainable harvesting that were unanimously mentioned by the stakeholders on the basis of a Likert scale, included occupational hazards, residual stand damage, loss of wood quality due to poor work performance, biomass regeneration, water erosion, noise exposure, soil rutting, physical workload, working conditions, and vibration exposure. These identified preferences will inform the development of a decision support model for sustainable timber harvesting using these criteria as input parameters.

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    ZENODO
    Dataset . 2024
    License: CC BY
    Data sources: Datacite
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    ZENODO
    Dataset . 2024
    License: CC BY
    Data sources: Datacite
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      ZENODO
      Dataset . 2024
      License: CC BY
      Data sources: Datacite
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      ZENODO
      Dataset . 2024
      License: CC BY
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204 Research products
  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Herold, Peter;

    Firma Mörtl, Pöttmes; heute: ZIEGLER GmbH Deutschland, Schrobenhausener Str. 74, D – 86554 Pöttmes

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DSpace an der Univer...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    DSpace an der Universität Kassel
    Doctoral thesis . 2017
    License: "In Copyright" Rights Statement
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DSpace an der Univer...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      DSpace an der Universität Kassel
      Doctoral thesis . 2017
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  • Authors: Baumkötter, Daniel;

    Bei der Biogastechnologie existieren verschiedenste Ansätze zur Optimierung des Verfahrens. Eine Möglichkeit ist die Vorbehandlung der eingesetzten Substrate, um höhere Biogasausbeuten zu erzielen, neue Substrate zu erschließen und die Gesamtwirtschaftlichkeit von Biogasanlagen zu erhöhen. Für diese Vorbehandlung werden vor allem mechanische Zerkleinerungstechnologien eingesetzt, die konstruktiv sehr unterschiedlich gestaltet sind. Daher wurde im Rahmen dieser Arbeit erstmalig eine systematische Untersuchung der mechanischen Vorbehandlung anhand eines Prallreaktors hinsichtlich Partikelgrößenverteilung, Biogasertrag und Stromverbrauch für verschiedene Substrate durchgeführt. Ziel dieser Arbeit war somit die Optimierung und Bewertung der Technologie „Prallreaktor“ zur Vorbehandlung lignocellulosehaltiger Substrate für eine landwirtschaftliche Biogasanlage. Für die Versuche wurden Substrate mit modellhaftem Charakter ausgewählt, die eine Übertragbarkeit der Ergebnisse auch auf vergleichbare Substrate zulassen. Dabei handelte es sich um Triticalestroh, Hafer-Ganzpflanzensilage, Maisstroh und Pferdemist. Zudem wurde die Substratmischung einer Biogasanlage, bei der auch ein Prallreaktor für die Vorbehandlung eingesetzt wird, mit hohen Anteilen Grassilage (53 % Grassilage, 40 % Maissilage und 7 % Rinder- und Pferdemist) untersucht. Bei allen untersuchten Substraten zeigte sich durch die Vorbehandlung eine Verringerung der Partikelgröße. Wie zu erwarten, war für feinere Partikelgrößen auch ein höherer Aufwand und somit Stromverbrauch erforderlich. Allerdings konnte kein direkter Zusammenhang zwischen einer feineren Partikelgröße und einem Mehrertrag an Methan hergestellt werden. Somit führt eine Steigerung der Aufbereitungsintensität nicht unbedingt zu einer Steigerung des mikrobiellen Abbaus. Wesentliches Ziel der Substratvorbehandlung war neben dem Einsatz alternativer Substrate die Steigerung der Biogaserträge. So war durch die mechanische Vorbehandlung von Triticalestroh eine Steigerung beim Methanertrag von bis zu ...

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  • Authors: Petz, Sabine Angela;

    Landwirt*innen sind Akteur*innen der Kulturlandschaft mit großer Flächenverantwortung. Knapp die Hälfte der landwirtschaftlich genutzten Flächen Österreichs (exklusive Forst) ist Ackerland. Landwirt*innen gestalten über ihre Entscheidungen zur Landnutzung Agrarökosysteme und damit verbundene Ökosystemleistungen mit. Die vorliegende Masterarbeit erforscht das Entscheidungsverhalten von Landwirt*innen im Produktionsschwerpunkt Ackerbau hinsichtlich der maßgeblichen sozio-ökonomischen und ökologischen Faktoren und deren Relevanz bei der Umsetzung von Klima- und Umweltschutzmaßnahmen. Im Rahmen dieser Arbeit wurden elf Leitfadeninterviews mit Betriebsleiter*innen in den politischen Bezirken Wiener Neustadt Land und Oberpullendorf geführt und mittels qualitativer Inhaltsanalyse ausgewertet. Auf Landwirt*innen wirken externe und interne Faktoren in der Entscheidungsfindung ein. Externe Faktoren stellen Rahmenbedingungen dar wie z.B.: gesellschaftspolitische Ansprüche an Landwirtschaft, Markt- und Fördersituation als auch klimatische Bedingungen. Rahmenbedingungen unterliegen stetigen Veränderungen, welche von Landwirt*innen in deren Bewirtschaftung bedacht werden (müssen). Entscheidungen fallen hierbei in einem individuellen Kontext (interne Faktoren), welcher unterschiedliche Motivationen und Ressourcen umfasst und charakteristisch ist für die Diversität der Landwirt*innen und deren Bewirtschaftungsstilen. Die Ergebnisse deuten darauf hin, dass sich externe und interne Faktoren in der Entscheidungsfindung wechselseitig beeinflussen und in einem dynamischen Verhältnis zueinander stehen. Die Einflussfaktoren zeigen sich hierbei annähernd gleichbedeutend (externe Faktoren: 50,4 %; interne Faktoren: 49,6 %). Nach Häufigkeit der Nennungen ergibt sich folgende Reihung: 26 % landwirtschaftliche Philosophie (intern), 24 % individuelle Ressourcen (intern), 23 % Umwelt- und Standortbedingungen (extern), 20 % wirtschaftliche Rahmenbedingungen (extern), 5 % gesellschaftliche- (extern) und 2 % politische Rahmenbedingungen ...

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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Houaijia, Anis; Monnerie, Nathalie; Roeb, Martin; Sattler, Christian;
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    Other ORP type . 2013
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao DLR publication serv...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Günther, Kurt P.;
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DLR publication serv...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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    Other ORP type . 2009
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DLR publication serv...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Gorzalka, Philip; Estevam Schmiedt, Jacob; Dahlke, Dennis; Frommholz, Dirk; +7 Authors
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DLR publication serv...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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    Other ORP type . 2018
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DLR publication serv...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Schauß, Thorsten;

    Diese Arbeit zeigt pflanzliche Alternativen zum Silomais auf, die als Biogassubstrat Verwendung finden sollen. In diesem Fall werden Gräser (Lolium perenne als Hochzuckergrasvariante und Lolium perenne als normale Vergleichssorte) und Leguminosen (Trifolium pratense, Medicago sativa und Lotus corniculatus) in Rein- und Mischbeständen auf ihre Eignung untersucht. Mit Hilfe zweier Kolbenfermentationsversuche wird das Gärverhalten und die damit verbundene Gesamtgasausbeute der Substrate quantitativ ermittelt. Die Gasausbeuten werden mit den Ergebnissen aus Futterqualitätsuntersuchungen verknüpft und auf Zusammenhänge geprüft. Die höchste Gasproduktion erreicht das Hochzuckergras in Reinsaat, gefolgt von den Hochzuckergrasmischungen mit Medicago sativa und Trifolium pratense. Es zeigen sich starke Beziehungen zwischen den Gasausbeuten und dem Gehalt an wasserlöslichen Kohlenhydraten und der Verdaulichkeit. Weniger stark stellt sich der Zusammenhang zum Stickstoffgehalt dar, das Bestehen einer Konzentrationsschwelle ist wahrscheinlich. Auch der erhöhte Gehalt an Tanninen in Lotus corniculatus zeigt sich in der Gasausbeute. In this work new crop biogas substrates are investigated as an alternative to silo corn. Here, grass (Lolium perenne as Sweetgrass and normal Lolium perenne as comparison) and legumes (Trifolium pratense, Medicago sativa and Lotus corniculatus) in pure stand and mixed stand are tested. The fermentation characteristics as well as the total gas formation are quantified using two piston-fermentation tests. The total gas formation is further correlated to the results of a feed-analyzing test to check for any interconnection. The highest gas production is accomplished by the Sweetgrass in pure stand, followed by the Sweetgrass mixtures with Medicago sativa and Trifolium pratense. Strong correlations between the quantity of gas production and the content of water soluble carbohydrates and digestibility are demonstrated. The link between gas production and nitrogen content is less pronounced, likely due to a concentration threshold. The higher content of tannins in Lotus corniculatus is shown in the gas yield as well.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Giessener Elektronis...arrow_drop_down
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Simon, Sonja;
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DLR publication serv...arrow_drop_down
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ DLR publication serv...arrow_drop_down
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  • Authors: Penzkofer, Horst;

    Der ifo Innovationstest für das Verarbeitende Gewerbe wird seit 1982 jährlich im Verarbeitenden Gewerbe vom ifo Institut erhoben. Kern des Fragenprogramms sind qualitative und quantifizierte Angaben zur Innovationstätigkeit der Unternehmen, insbesondere zu den Innovationszielen und –aufwendungen. Des Weiteren geben die Firmen Informationen zu Innovationshemmnissen sowie –impulsen (intern/extern). The Ifo Innovation Survey for Industry has been conducted by the Ifo Institute on an annual basis since 1982. Qualitative and quantitative responses on the innovativeness of companies, particularly their innovation goals and expenditure, constitute the main focus of the survey. Companies are also asked to provide information on innovation constraints and (internal/external) impulses. Self-administered questionnaire

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    For well-founded decisions in sustainable timber harvesting, it is important to know the preferences of the different stakeholders. The concept of sustainable timber harvesting is to incorporate economic, social, and environmental criteria in the selection, execution and assessment of harvesting operations. In a previous study, 33 criteria were identified by forest experts as relevant for evaluating sustainability. To assess the importance of these criteria, an online survey was conducted among Austrian stakeholders between April and May 2023, in which 610 people were invited to participate and which resulted in a response rate of 47%. The survey participants were primarily male (94%), with an average age of 47 and an average of 20 years of work experience. The key criteria for sustainable harvesting that were unanimously mentioned by the stakeholders on the basis of a Likert scale, included occupational hazards, residual stand damage, loss of wood quality due to poor work performance, biomass regeneration, water erosion, noise exposure, soil rutting, physical workload, working conditions, and vibration exposure. These identified preferences will inform the development of a decision support model for sustainable timber harvesting using these criteria as input parameters.

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    ZENODO
    Dataset . 2024
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    ZENODO
    Dataset . 2024
    License: CC BY
    Data sources: Datacite
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      ZENODO
      Dataset . 2024
      License: CC BY
      Data sources: Datacite
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      ZENODO
      Dataset . 2024
      License: CC BY
      Data sources: Datacite
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