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This typical structure of materials, prepared by mechanical alloying is formed by ductile and hard elements.
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Materials and Methods Materials Chitosan powder used is a shrimp-based product with a degree of deacetylation of 87.4%, the solubility in acetic acid is 99.4%, and the molecular weight of 900 kDa.
Series: Materials Science and Engineering, 196 (2017) 012039
Ruckenstein, Supported chitosan-dye affinity membranes and their protein adsorption, Journal of Membrane Science 117 (1996) 271-278
Roy, Preparation of Chitosan from Shrimp Shell and Investigation of Its Properties, International Journal of Basic & Applied Sciences 11 (1) (2011) 77-80
Ismail, Antimicrobial and anticancer activities of silver nanoparticles synthesized from the root hair extract of Phoenix dactylifera, Materials Science and Engineering: C 89 (2018) 429-443

Sponsored by Natural Science Foundation of Zhejiang Province Project Number: Y1101004 Reference [1] Y.Dong, K.A.
Lovell: Journal of Materials Processing Technology, Vol. 97, 1-3(2000), p. 44-53
[2] Z.Pater: Journal of Materials Processing Technology, Vol. 173, 2(2006), p. 201-208
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The FEM software PLAXIS was used to carry out two-dimensional simulations.The 15-node flat triangular element was chosen to mesh the culvert, fill, slope etc., In the surface between the materials, the contact elements were used.
(b). the idealized elastoplastic model were used to describe soil and embankment fill,the compressive strength of such materials was far greater than the tensile strength, and Mohr-Coulomb model was employed: (2) Where is the shear strength, the normal stress, the cohesion of the material, angle of internal friction of the material.
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Effects of Rare Earth La on Microstructures , Mechanical Properties and Sliding Wear Behavior of High-Aluminium Zinc Foundry Alloy ZA30 Dixin Yang1,a, Jingpei Xie1,b, Aiqin Wang1,c, Wenyan Wang1,d 1College of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003,China; awangyiydx@163.com, bxiejp@mail.haust.edu.cn, caiqin_wang888@163.com,dwangwy1963@163.com Keywords: ZA30 alloy; rare earth La; microstructures and properties; abrasion resistance.
Experimental Methods Raw Material.
The raw materials selected for experiment are domestic Zn-1 zinc, A0 pure aluminum, pure magnesium, A1-50%Cu and A1-10%La master alloy.
Yang and Y.H.Zhou: Journal of Materials Science Vol. 35(2000) ,p3383-3388
Xu: Journal of Materials and Metallurgy Vol.5(2006),p 217-220(In Chinese) [11] L.S.Yang, H.M.Wang and Q.D.Chen: High Aluminum Zn-Based Alloys(Northwestern Polytechnical University Press, China 1997) (In Chinese)

Experimental Section Materials.
All materials were dried at a temperature of 107 °C for 2 hours prior to use.
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Journal of Magnetism and Magnetic Materials, 2018. 448: p. 332-338
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Ma, Friction stir welding and processing, Materials Science and Engineering: R: Reports, Volume 50, Issues 1–2, 2005, Pages 1-78
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Ma, Effect of Welding Parameters on Microstructure and Tensile Properties of Friction Stir Welded 6061 AL Joints, Materials Science Forum,2009, Vols. 618-619

Acknowledgements This work was financially supported by the National High Technology Research and Development Program of China (“863” Program, Grant No.2013AA031602), Beijing Natural Science Foundation of China Project — Research on the key issues of the environmental performance of new energy-saving building materials evaluation and design (Grant No.2141001).
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Lu, The environmental impact assessment model and application of land use of materials production, Beijing University of Technology, PhD thesis, 2012

The possibilities for producing films of various materials and for tailoring their properties by manipulation of reactant gases or vapours and glow-discharge parameters are very extensive.
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