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Preparation and Characterization of W@SiO2 Shielding Composite Microsphere Zuosheng LI1,a, Yan ZHANG1,b, Yujian LIU1,c*,Jun FAN1,d and Weiling LUAN2,a 1Key Laboratory of Specially Functional Polymers and Related Technology of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, MeiLong Road 130, Shanghai 200237, PR China 2Key Laboratory of Pressure and Safety of Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, MeiLong Road 130, Shanghai 200237, PR China c yjliu@ecust.edu.cn Keywords: W@SiO2, core-shell, shielding, nanoparticle Abstract.
Tungsten, which is a better shielding material due to its high Z and high density, has been the most widely used material in X-ray or gamma-ray shielding materials.
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The phenolic hollow microsphere material is a brittle material.
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Our results showed the biogas production system using raw materials from livestock manure, flour waste water [14].
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Corrosion is a gradual destruction of materials (usually metals) by chemical and/or electrochemical reaction with their environment and it degrades the useful properties of materials and structures, including strength, appearance, and permeability to liquids and gases [2].
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Effect of Doping by Stronger ions salt on the Microstructure of conductive polyaniline-es: Structure and Properties, Journal of Optoelectronics and Biomedical Materials, 8, No. 4, pp. 175-183

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Such materials are an importance for the requirements of old fashioned industries.
If we use composite materials instead of dye materials, nanoparticles of silver contact with these composite materials containing small bulk concentration (0.5 - 2%) of fullerene С60 and thereof, the situation would change.
Modification of materials by carbon nanoparticles.
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Materials and methods 1.1 Technological process GSF pilot test system derived water from sedimentation tank to filter, process flow diagram as shown in Fig.1.
The removal ratio of CODMn at the activated carbon filter material 25 cm had reached 45.2%.
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Raw materials.Raw materials used for this experimental work are: Glass fiber (E-Glass), Natural fiber (Banana fiber), Epoxy resin(LY556) and Hardener(HY951).
International Journal of Innovative Research in Science, Engineering and Technology Volume 2, Issue 5, May 2013
Rama Krishna, Bh.LakshmipathiRaju. (2011) Effect of fibre volume fraction on the tensile strength of Banana fibre reinforced vinylester resin composites International journal of advanced engineering science and technologies.
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Thiruchitrambalam (2011) Mechanical and water absorption behaviour of banana/sisal reinforced hybrid composites published in ELSEVIER, Materials and Design 32 (2011) 4017–4021.