1,721,262 research outputs found

    Der Sandnelken-Kiefernwald an seiner Westgrenze in Brandenburg

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    von Heinz-Dieter Krausch, Potsda

    Tagung der Floristisch-soziologischen Arbeitsgemeinschaft in Schleswig vom 25. bis 27. Mai 1961

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    Wi. Christiansen (Kiel), H. Freitag, U. Jensen (Kiel), H.-D. Krausch (Potsdam

    Rezension zu Heinz-Dieter Krausch, Rosen in Ortsnamen

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    Heinz-Dieter Krausch: Rosen in Ortsnamen. Zur 100-Jahrfeier des Ostdeutschen Rosengartens in Forst (Lausitz), Cottbus: Regia Verlag 2013, 52 S. – ISBN: 978-3-86929-223-6, Preis: EUR 10.00 (DE), 10.30 (AT)

    mbdoe-python: a Python toolbox for facile data handling and Model-Based Design of Experiments.

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    <p>A Python interface for automated data handling and Model-Based Design of Experiments.</p> <p> </p> <p>Development is happening here: <a href="https://gitlab.com/rgiessmann/mbdoe-python">https://gitlab.com/rgiessmann/mbdoe-python</a></p> <p> </p> <p>Used for example in:</p> <ul> <li>Giessmann, R.T.; Krausch, N.; Kaspar, F.; Cruz Bournazou, M.N.; Wagner, A.; Neubauer, P.; Gimpel, M. Dynamic Modelling of Phosphorolytic Cleavage Catalyzed by Pyrimidine-Nucleoside Phosphorylase. <em>Processes</em> <strong>2019</strong>, <em>7</em>, 380. doi: <a href="https://doi.org/10.3390/pr7060380">10.3390/pr7060380</a></li> </ul>Development is happening here: https://gitlab.com/rgiessmann/mbdoe-pytho

    Mehr als Politikberatung und Medienpräsenz : Reflexionen über die Bedeutung dialogorientierter Wissenschaftskommunikation für Universitäten und Praxis

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    Die Publikation bietet einen Überblick zu den unterschiedlichen Formen und Herausforderungen des Wissenstransfers zwischen Universitäten, Ministerien, Behörden und Medien. Inhaltsverzeichnis: Birgitta Wolff, Georg Krausch und Hans Jürgen Prömel: Dialogorientierte Wissenschaftskommunikation als Gewinn für Universitäten und Praxis – Vorwort Andreas Monz: Bedarf und Anforderungen an wissenschaftliche Expertise—der Blick aus der Praxis Nina Janich: Warum Wissenschaftskommunikation manchmal so schwer ist … und auch deren Bewertung Florian Meesmann: Dialog Wissenschaft und Medien—der Blick aus einer Rundfunkanstalt Birgit Stark: Wissenschaftskommunikation in Zeiten rapiden Medienwandels Manfred Niekisch: Dialoge der Vielfalt: Wissenschaft, Politik und Zivilgesellschaft Heike Kaupp: Von der Wissenschaft in die Behördenpraxis Nicole Deitelhoff: Mehr Mut zur Relevan

    data_toolbox: a Python framework for management and analysis of UV/Vis spectra

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    <p>A Python toolbox for managing and analyzing UV/Vis spectra to obtain time-resolved kinetic reaction data. Especially useful for monitoring the conversion between nucleosides and nucleobases.</p> <p> </p> <p>Development is happening here: <a href="https://gitlab.com/rgiessmann/data_toolbox">https://gitlab.com/rgiessmann/data_toolbox</a></p> <p> </p> <p>Cited in:</p> <ul> <li>Giessmann, R.T.; Krausch, N.; Kaspar, F.; Cruz Bournazou, M.N.; Wagner, A.; Neubauer, P.; Gimpel, M. Dynamic Modelling of Phosphorolytic Cleavage Catalyzed by Pyrimidine-Nucleoside Phosphorylase. <em>Processes</em> <strong>2019</strong>, <em>7</em>, 380. doi: <a href="https://doi.org/10.3390/pr7060380">10.3390/pr7060380</a></li> <li>Kaspar, F.; Giessmann, R.T.; Krausch, N.; Neubauer, P.; Wagner, A.; Gimpel, M. A UV/Vis Spectroscopy-Based Assay for Monitoring of Transformations Between Nucleosides and Nucleobases. <em>Methods Protoc.</em> <strong>2019</strong>, <em>2</em>, 60. doi: <a href="https://doi.org/10.3390/mps2030060">10.3390/mps2030060</a></li> </ul>Development is happening here: https://gitlab.com/rgiessmann/data_toolbo

    Direct observation of single molecule mobility in semidilute polymer solutions

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    We determine the mobility of dye-labeled polystyrene molecules in solution by fluorescence correlation spectroscopy (FCS) over a wide range of concentrations and molecular weights (ranging from 3.9x10(3) to 1550x10(3) g/mol). In order to obtain absolute values of the diffusion coefficient, which can be compared to diffusion coefficients determined by other methods, the size of the focal volume has been determined by independent experiments and theoretical calculations. All data demonstrate that FCS is uniquely suited to explore polymer dynamics in solution. The mobility of the chains as expressed through the self-diffusion coefficient is significantly slowed down above the overlap concentration c(*). The dependence of c(*) on molecular weight is well described by the power law c(*)proportional to M-w(1-3 nu) (nu: Flory exponent). A comparison with the data taken from the literature demonstrates that the overlap concentration presents a robust concept that holds for a wide range of molecular weights

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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