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2篇 您的检索式:作者名="Said Taibi"
    题名 作者 年代 出处 被引量
1Behavior of clayey soils on drying-wetting paths 显示文摘Jean-Marie Fleureau Siba Kheirbek-Saoud Ria Soemitro Said Taibi 1993Can Geotech J1993,30,:1
2The Mechanical and Crystallographic Evolution of Stipa tenacissima Leaves During In-Soil Biodegradation显示文摘The in-soil biodegradation of Stipa tenacissima(alfa)leaves was examined.Non-linear mechanical testing was performed at various biodegradation stages.Tensile strength,loading and unloading Young’s moduli and dissipation energy decreased with the burial time,whereas plasticity increased.Field-emission scanning electron microscopy(FE-SEM)showed that the fracture cracks propagated in the longitudinal direction in the raw material,resulting in a fracture mode consisting of a mixture of middle lamella delamination and fiber pull-out.In contrast,the cracks were perpendicular to the stem axis in the biodegraded material,demonstrating an important strength loss of the load-bearing fibers.This strength loss was correlated with rapid cellulose degradation.A novel X-ray diffraction(XRD)model was implemented in order to take into account anisotropic size broadening.For the first time,XRD demonstrated the action of biodegradation on unrefined plant tissues under quasi in-situ conditions.Biodegradation induced a progressive loss of crystalline cellulose accompanied with anisotropic crystallite thinning.Zakia Khelifi Mohammed Amine Allal Nabil Abou-bekr Said Taibi Benoit Duchemin 2018Journal of Renewable Materials2018,6,3:0
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