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1,241,478 research outcomes, page 1 of 124,148
  • It is well documented that ancient sickle harvesting led to tough rachises, but the other seed dispersal properties in crop progenitors are rarely discussed. The first steps toward domestication are evolutionary responses for the recruitment of humans as dispersers. See...

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  • publication . Article . 2003
    Open Access
    Authors:
    Ulrich Meyer;
    Persistent Identifiers
    Publisher: Elsevier BV

    We study the average-case running-time of single-source shortest-path (SSSP) algorithms assuming arbitrary directed graphs with n nodes, m edges, and independent random edge weights uniformly distributed in [0,1]. We give the first label-setting and label-correcting alg...

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  • publication . Article . 2005
    Open Access
    Authors:
    Patrizia Polverino de Laureto; Vincenzo De Filippis; Elena Scaramella; Marcello Zambonin; Angelo Fontana;
    Persistent Identifiers
    Publisher: Wiley

    Proteolysis of hen egg-white lysozyme by thermolysin in 50% aqueous trifluoroethanol for 6–24 h at 40–52 °C produces a ‘nicked’ protein species which was purified to homogeneity by reverse-phase HPLC and characterized. Protein chemistry analytical methods were used to e...

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  • publication . Article . Other literature type . 2013
    Open Access
    Authors:
    Roscher, Christiane; Schumacher, Jens; Lipowsky, Annett; Gubsch, Marlén; Weigelt, Alexandra; Pompe, Sven; Kolle, Olaf; Buchmann, Nina; Schmid, Bernhard; Schulze, Ernst-Detlef;
    Publisher: Elsevier BV
    Country: Switzerland
    Project: SNSF | Mechanisms underlying pla... (310030E-131193), SNSF | Community history and eco... (31003A_130720)

    a b s t r a c t Several multi-year biodiversity experiments have shown positive species richness-productivity rela- tionships which strengthen over time, but the mechanisms which control productivity are not well understood. We used experimental grasslands (Jena Experim...

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  • publication . Preprint . Article . 2015
    Open Access
    Authors:
    Maria Cristina Recchioni; Gabriele Tedeschi; Mauro Gallegati;
    Persistent Identifiers
    Publisher: Elsevier
    Country: Spain

    In this paper we introduce a calibration procedure for validating of agent based models. Starting from the well-known financial model of (Brock and Hommes, 1998), we show how an appropriate calibration enables the model to describe price time series. We formulate the ca...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Alessandro Casasso; Agnese Salomone; Carlo Bianco; Giovanni Prassede; Rajandrea Sethi;
    Persistent Identifiers
    Publisher: Multidisciplinary Digital Publishing Institute
    Country: Italy

    Treat), or a combination of both types. The choice of the most suitable technique is a difficult task, since various aspects must be taken into consideration. In this paper, we present a framework for evaluating barriers in terms of effectiveness and efficiency, along w...

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  • publication . Article . 2020
    Open Access English
    Authors:
    Floriana Caccamo; I. Stefani; A. Pinton; V. Sava; R. Carlon; Cristina Marogna;
    Persistent Identifiers
    Publisher: Taylor & Francis Group

    Many psychological factors influence the onset and prognosis of heart disease, among the most studied, there are personality traits, depressive and anxious experiences. Type D personality, characterized by high levels of social inhibition and negative affectivity, is as...

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  • publication . Conference object . 2019
    Open Access
    Authors:
    M.V. Martire; A. Di Matteo; Emilio Filippucci; Edoardo Cipolletta; Diogo Jesus; M. Di Carlo; Walter Grassi;
    Persistent Identifiers
    Publisher: BMJ Publishing Group Ltd and European League Against Rheumatism

    Background The “halo sign” is considered the well known qualitative ultrasound (US) finding for the diagnosis of giant cell arteritis (GCA). Recently, the measurement of the intima-media thickness (IMT) of temporal and axillary arteries has been proposed as a potential ...

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  • The effect of a diet based on former food products (FFP) as alternative feed ingredients on in vitro and in vivo digestibility of dry matter (DM), pig growth performance, and selected plasma bioche...

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  • publication . Article . 2019
    Open Access
    Authors:
    Mélanie L’enfant; Felipe Bruna; Marion Lorillière; Nazim Ocal; Wolf-Dieter Fessner; Loredano Pollegioni; Franck Charmantray; Laurence Hecquet;
    Persistent Identifiers
    Publisher: Wiley
    Country: France

    International audience; We described an efficient in situ generation of hydroxypyruvate from d‐serine catalyzed by a d‐amino acid oxidase from Rhodotorula gracilis. This strategy revealed an interesting alternative to the conventional chemical synthesis of hydroxypyruva...

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1,241,478 research outcomes, page 1 of 124,148