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42,957 Research products, page 1 of 4,296

  • Rural Digital Europe
  • Hal-Diderot

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  • Publication . Conference object . 1998
    English
    Authors: 
    Lucien Wald;
    Publisher: HAL CCSD
    Country: France

    International audience; Data fusion is a subject becoming increasingly relevant as scientists try to extract more and more information from remotely sensed data. Archives are growing, as well as the number of space missions devoted to Earth observation. It is generally ...

  • Closed Access English
    Authors: 
    Abraham J. Escobar-Gutiérrez; Laurette Combe;
    Publisher: HAL CCSD
    Country: France

    International audience; The objective of this work was to describe the dynamics of senescence of field-grown maize from silking to harvest, at both leaf and plant level. At the leaf level, the dynamics of symptoms of senescence were considered on each leaf taken individ...

  • Open Access French
    Authors: 
    Samuel Perichon Le Rouzic; Rodolfo Jaffé; Cleiton José Geuster;
    Publisher: HAL CCSD
    Country: France

    On a worldwide scale, Brazil is the country hosting the greatest number of stingless bee species. The species natural distribution favours the Amazonian basin, even though the Meliponinies settlement area (family to which these insects belong) covers the entire national...

  • Open Access English
    Authors: 
    Mirela Tulik; Katarzyna Marciszewska; Jacek Adamczyk;
    Publisher: Springer Nature
    Country: France

    International audience; The aim of this work was to examine the anatomy and functioning of secondary xylem in stems in relation to the decline of European ash (Fraxinus excelsior L.).* We tested the hypothesis that declining trees show changes in the structure of wood, ...

  • Open Access English
    Authors: 
    Yan Wang; Qi-Xiang Wang; Meng-Ben Wang;
    Publisher: HAL CCSD
    Country: France

    International audience; AbstractKey messageThe carbon density was not different between natural and planted forests, while the biomass carbon density was greater in natural forests than in planted forests. The difference is due primarily to the larger carbon density in ...

  • Closed Access English
    Authors: 
    Shan Shan Chang; Bruno Clair; Joseph Gril; Hiroyuki Yamamoto; Françoise Quignard;
    Publisher: HAL CCSD
    Country: France

    International audience; Wood deformation in the longitudinal and tangential directions induced by ethanol substitution and oven-drying was measured in normal wood (NW) and tension wood (TW) of chestnut (Castanea sativa Mill.) (TW with G-fibres) and simarouba (Simarouba ...

  • Open Access English
    Authors: 
    Francesco Fantozzi; Cinzia Buratti;
    Publisher: HAL CCSD
    Country: France

    International audience; This paper presents a LCA study about household heat from Short Rotation Coppice wood pellets combustion. The overall process, from field growth to ash disposal, was considered; environmental analysis was carried out using a LCA software programm...

  • Publication . Part of book or chapter of book . 1997
    English
    Authors: 
    Eric Justes; Jean-Marc Meynard; Bruno Mary; Daniel Plénet;
    Publisher: HAL CCSD
    Country: France

    In this chapter, the principle and validation of the JUBIL method are presented. The value and limits of this method for winter wheat and maize crops are then analyzed. This research was carried out in collaboration with ITCF5 and AGPM6.

  • Open Access French
    Authors: 
    G. Illy;
    Country: France

    National audience

  • Open Access English
    Authors: 
    David Bercovici; Yanick Ricard; Gerald Schubert;
    Publisher: HAL CCSD
    Country: France

    cited By 174; International audience; A theoretical model for the dynamics of a simple two-phase mixture is presented. A classical averaging approach combined with symmetry arguments is used to derive the mass, momentum, and energy equations for the mixture. The theory ...