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13,618 Research products, page 1 of 1,362

  • Publications
  • 2017-2021
  • Open Access
  • Hyper Article en Ligne
  • HAL-ENS-LYON
  • Energy Research

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  • Publication . Conference object . 2017
    Open Access English
    Authors: 
    Francesco Collamati; Mario Antonelli; Manuela Boscolo; M.E. Biagini; Oscar Blanco-García; Alessandro Variola; Alberto Bacci; Simone Liuzzo; Pantaleo Raimondi; Iryna Chaikovska; +2 more
    Publisher: HAL CCSD
    Country: France

    International audience; We are studying a novel scheme to produce muon beams characterised by very low emittance, thus allowing to avoid the need for cooling, using a positron beam of about 45 GeV interacting on electrons on a fixed target. This is a challenging scheme,...

  • Open Access English
    Authors: 
    Tarin Toledo-Aceves; María de los Ángeles García-Hernández; Horacio Paz;
    Publisher: HAL CCSD
    Country: France

    International audience; AbstractKey messageCloud forest tree seedlings of higher leaf mass to area ratio and leaf dry matter content displayed higher survival along an elevation gradient in the forest understorey. Phenotypic plasticity in leaf functional traits was not ...

  • Open Access English
    Authors: 
    Cernaianu, Sorina; sobry, claude;
    Publisher: HAL CCSD
    Country: France

    In the last years, Romania has made major efforts to develop the skiing areas and some important projects have been implemented in the Carpathian Mountains. This research highlights the low efficiency of ski slopes and ski areas concerning the functionality during the w...

  • Open Access
    Authors: 
    Johannes Güttinger; Adrien Noury; P. Weber; Axel Martin Eriksson; Camille Lagoin; Joel Moser; Christopher Eichler; Andreas Wallraff; Andreas Isacsson; Adrian Bachtold;
    Publisher: Nature
    Countries: Spain, Spain, France
    Project: EC | CARBONNEMS (279278), EC | GrapheneCore1 (696656)

    Energy decay plays a central role in a wide range of phenomena1,2,3, such as optical emission, nuclear fission, and dissipation in quantum systems. Energy decay is usually described as a system leaking energy irreversibly into an environmental bath. Here, we report on e...

  • Open Access English
    Authors: 
    Aleksi Lehikoinen; Åke Lindström; Andrea Santangeli; Päivi M. Sirkiä; Lluís Brotons; Vincent Devictor; Jaanus Elts; Ruud P. B. Foppen; Henning Heldbjerg; Sergi Herrando; +13 more
    Publisher: HAL CCSD
    Countries: Netherlands, Netherlands, Finland, France
    Project: AKA | Conservation policy in a ... (326338), AKA | Novel perspectives for bi... (307909), AKA | The combined effect of cl... (275606), AKA | Changes in species commun... (323527)

    International audience; Global climate change is driving species' distributions towards the poles and mountain tops during both non-breeding and breeding seasons, leading to changes in the composition of natural communities. However, the degree of season differences in ...

  • Open Access English
    Authors: 
    Sébastien Rapinel; Nicolas Rossignol; Olivier Gore; Olivier Jambon; Guillaume Bouger; Jérôme Mansons; Anne Bonis;
    Publisher: HAL CCSD
    Country: France

    The real-time monitoring of hydrodynamics in wetlands at fine spatial and temporal scales is crucial for understanding ecological and hydrological processes. The key interest of light detection and ranging (LiDAR) data is its ability to accurately detect microtopography...

  • Open Access English
    Authors: 
    Amélie Lefèvre; Benjamin Perrin; Claire Lesur-Dumoulin; Chloé Salembier; Mireille Navarrete;
    Publisher: HAL CCSD
    Country: France

    Abstract To meet the challenges of sustainability in agricultural system design, reducing the dependency on synthetic plant protection products has become a core issue. There are currently two major reasons for farmers' decision to reduce their use of synthetic products...

  • Open Access English
    Authors: 
    Marwa Ben Manaa; M.A. Hachicha; Bruno Schmaltz; Ben Lamine Abdelmottaleb;
    Publisher: HAL CCSD
    Country: France

    Three theoretical expressions for the adsorption isotherms of hydrogen on Fe-Ti at three temperatures 100 K, 80 K and 60 K have been established. Our objective in this modeling is to select the adequate model that presents a high correlation with the experimental curves...

  • Open Access English
    Authors: 
    Kumar P. Mainali; Bharat Babu Shrestha; Ravi Kumar Sharma; Arjun Adhikari; Eliezer Gurarie; Michael C. Singer; Camille Parmesan;
    Publisher: John Wiley and Sons Inc.
    Country: France
    Project: NSF | DISSERTATION RESEARCH: Im... (1210767), NSF | Informing Climate-Related... (1049208)

    Abstract Alpine treelines are expected to shift upward due to recent climate change. However, interpretation of changes in montane systems has been problematic because effects of climate change are frequently confounded with those of land use changes. The eastern Himala...

  • Open Access English
    Authors: 
    A. Lehmann; Benjamin Godard; G. Pineau des Forêts; E. Falgarone;
    Publisher: HAL CCSD
    Country: France
    Project: EC | MIST (742719)

    Shocks are ubiquitous in the interstellar and intergalactic media, where their chemical and radiative signatures reveal the physical conditions in which they arise. Detailed astrochemical models of shocks at all velocities are necessary to understand the physics of many...