200 research outputs found

    Four new species of the genus Aleochara Gravenhorst, 1802, subgenus Coprochara Mulsant & Rey, 1874 (Coleoptera: Staphylinidae).

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    Aleochara (Coprochara) klimaszewskii sp. n. aus dem Jemen, A. (C.) fuldneriana sp. n. aus Tadjikistan, A. (C.) eicasta sp. n. aus dem Kaukasus und A. (C.) peschkeana sp. n. aus Kolumbien werden beschrieben. Differentialdiagnostische Merkmale zur Unterscheidung dieser Arten von anderen in diesen Gebieten vorkommenden Coprochara-Arten werden angegeben.StichwörterColeoptera, Staphylinidae, Aleocharinae, Aleochara, Coprochara, new species, taxonomy.Nomenklatorische Handlungeneicasta Maus, 1999 (Aleochara (Coprochara)), spec. n.fuldneriana Maus, 1999 (Aleochara (Coprochara)), spec. n.klimaszewskii Maus, 1999 (Aleochara (Coprochara)), spec. n.peschkeana Maus, 1999 (Aleochara (Coprochara)), spec. n.Aleochara (Coprochara) klimaszewskii sp. n. from Yemen, A. (C.) fuldneriana sp. n. from Tadjikistan, A. (C.) eicasta sp. n. from the Caucasus, and A. (C.) peschkeana sp. n. from Colombia are described. Diagnoses are given to distinguish these specimens from other Coprochara species occurring in the respective regions.KeywordsColeoptera, Staphylinidae, Aleocharinae, Aleochara, Coprochara, new species, taxonomy.Nomenclatural Actseicasta Maus, 1999 (Aleochara (Coprochara)), spec. n.fuldneriana Maus, 1999 (Aleochara (Coprochara)), spec. n.klimaszewskii Maus, 1999 (Aleochara (Coprochara)), spec. n.peschkeana Maus, 1999 (Aleochara (Coprochara)), spec. n

    Documentation and enhancement of the traceability of finite-element-analysis

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    The approach presented in this paper is based on the CAE-environment of the product development process. Simulations and results often are safety-relevant and thus have to be traceable even years after the engineering process is completed, especially if structural stiffness, durability and crash behaviour are concerned. At present, the documentation mostly focuses on the results. Since these are influenced by many more parameters than just the geometry to simulate, the way the simulation model is defined should be documented as well. The concept intends to enhance the quality of FEA-simulation documentation and to make a comparison of simulation models and results possible. Additionally, it allows the reliable reproduction of simulations. The core components are a database for the storage of simulation models and a so-called processing tool, which reads in new simulation files into and generates the documentation files out of the database. Besides that, another database supports the engineer in building simulation models for new cases

    Managed Forgetting to Support Information Management and Knowledge Work

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    Trends like digital transformation even intensify the already overwhelming mass of information knowledge workers face in their daily life. To counter this, we have been investigating knowledge work and information management support measures inspired by human forgetting. In this paper, we give an overview of solutions we have found during the last five years as well as challenges that still need to be tackled. Additionally, we share experiences gained with the prototype of a first forgetful information system used 24/7 in our daily work for the last three years. We also address the untapped potential of more explicated user context as well as features inspired by Memory Inhibition, which is our current focus of research.Comment: 10 pages, 2 figures, preprint, final version to appear in KI - K\"unstliche Intelligenz, Special Issue: Intentional Forgettin

    5.6 Residues in bee-relevant matrices

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    Application of pesticides during flowering of crops can result in exposure of pollinating insects such as honey bees, bumble bees and wild bees. In addition, residues of pesticides in bee products like honey may result from such applications. One of the overall goals of the German "FitBee" project was to determine the transport of plant protection products into the honey bee colony via individual bees and reduce the exposure to plant protection products by application technology approaches. One of these application technologies is DroplegUL, with which row crops can be sprayed underneath the canopy level, avoiding spray onto the blossoms. In the scope of the "FitBee" project (2011 to 2015), we conducted during five years semi-field experiments in Germany comparing conventional and DroplegUL spraying techniques regarding their implications to honeybee colony exposure. In this context, various trials were conducted in which residues in in-hive matrices (stored nectar, pollen) of bee colonies foraging on a model crop (oilseed rape) which was pesticide-treated with DroplegUL vs. conventional technology were measured.Application of pesticides during flowering of crops can result in exposure of pollinating insects such as honey bees, bumble bees and wild bees. In addition, residues of pesticides in bee products like honey may result from such applications. One of the overall goals of the German "FitBee" project was to determine the transport of plant protection products into the honey bee colony via individual bees and reduce the exposure to plant protection products by application technology approaches. One of these application technologies is DroplegUL, with which row crops can be sprayed underneath the canopy level, avoiding spray onto the blossoms. In the scope of the "FitBee" project (2011 to 2015), we conducted during five years semi-field experiments in Germany comparing conventional and DroplegUL spraying techniques regarding their implications to honeybee colony exposure. In this context, various trials were conducted in which residues in in-hive matrices (stored nectar, pollen) of bee colonies foraging on a model crop (oilseed rape) which was pesticide-treated with DroplegUL vs. conventional technology were measured

    pH-Bildgebung am Gehirn von polaren Fischen: eine TauCEST Anwendung

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    Chemical exchange saturation transfer (CEST) ist ein Bildkontrast, der die indirekte Detektion von Änderungen im pH ermöglicht. CEST bietet daher die Möglichkeit, die Säure-Basen-Regulation im Fischgehirn unter CO2-Konzentrationen, wie sie durch den Klimawandel bewirkt werden, zu verfolgen. Ziel dieser Studie war es, einen geeigneten Metaboliten zu finden, um Änderungen im intrazellulären pH-Wert mit hoher zeitlicher und räumlicher Auflösung im Fischgehirn bei 1.5°C zu detektieren. Der TauCEST-Effekt erwies sich als geeignet und wurde zum ersten Mal in vivo angewendet

    Documentation and enhancement of the traceability of finite-element-analysis

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    The approach presented in this paper is based on the CAE-environment of the product development process. Simulations and results often are safety-relevant and thus have to be traceable even years after the engineering process is completed, especially if structural stiffness, durability and crash behaviour are concerned. At present, the documentation mostly focuses on the results. Since these are influenced by many more parameters than just the geometry to simulate, the way the simulation model is defined should be documented as well. The concept intends to enhance the quality of FEA-simulation documentation and to make a comparison of simulation models and results possible. Additionally, it allows the reliable reproduction of simulations. The core components are a database for the storage of simulation models and a so-called processing tool, which reads in new simulation files into and generates the documentation files out of the database. Besides that, another database supports the engineer in building simulation models for new cases
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