Titlebook: Water Resources in Algeria - Part I; Assessment of Surfac Abdelazim M. Negm,Abdelkader Bouderbala,Damià Barc Book 2020 The Editor(s) (if ap

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El-Sayed Ewis Omran,Abdelazim Negmives were incorporated into polymers. With the help of these additives, when physically dispersed in a polymer matrix, it has been possible to improve stability against thermal, oxidative, UV, hydrolytic and biological degradation, mechanical properties, flammability, cost, and processibility of pla

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ese samples were found to undergo a “strain-induced plastic-rubber transition” upon deformation. Infrared dichroism and birefringence studies both indicate the high orientation of the polybutadiene chains, but not of the polystyrene chains. Thus most of the deformation after the “transition” has tak

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Ayoub Zeroual,Ali A. Assani,Hind Meddi,Senna Bouabdelli,Sara Zeroual,Ramdane Alkama resection, infection, or skeletal abnormalities. Traditional therapies to overcome these bone deficits include bone grafts, bone cement, and synthetic bone substitutes including plastics, ceramics, and metals. Each of these has limitations that preclude it from being an ideal bone replacement, indi

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Abderrazek Sebbar,Salim Heddam,Ozgur Kisi,Lakhdar Djemili,Larbi Houichi gradient polymers or combinations of the above listed systems, are becoming, recently more and more interesting from both practical and scientific points of view.. In fact, it is possible to obtain on the one hand new plastic materials (oriented towards well definite end-uses) just optimizing speci

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