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Structural Stability, Electronic and Optical Properties of Ni-Doped Boron Carbide by First Principles Calculation Jianling Fan1, a, Yongsen Wei1,b* and Senkai Lu1,c 1 Institute of Materials Physics, Guilin Normal College, Guilin 541001, China afanjianling2012@163.com,bgncweiys@163.com,clusk3616@163.com, Keywords: First Principles; Electronic Structure; Optical property; Ni–Doped; Boron Carbide; Abstract.
Introduction Since the rich B boron carbides are the ideal materials to realize the thermoelectricity energy transformation due to their large Seebeck coefficient, low and high temperature stability, they have been attracted much attention at present [1-3].
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In model 1:cushioning material is the same with lining concrete; In model 2:the modulus of elasticity of cushion material is 10% of that of lining concrete.
Most of one side and cushioning material are in stress
Most of one side and cushioning material are in stress.
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Food safety systems are required to operate both at the final food producers and at the suppliers of raw materials, traders. [5].
Among them, it is mentioned: · Regulation (EC) 1935/2004 for materials and components that are to meet food products; · Regulation (EC) 2023/2006 on good production practices for materials and components intended to meet food; · Regulation (EU) 10/2011 regarding plastic materials and components intended to meet food; · EN 12331 Food processing equipment – Grinding machines – Safety and hygiene requirements; · EN 12463 Food processing equipment – Filling and auxiliary machines – Hygiene and safety requirements.
Previous research [10], demonstrated partly the danger of improper execution of some technological operations of welding pipes in installations related to the transport of fluid food materials.
So, when transporting food fluids, through pipes made of stainless materials, the welded joints of the pipes can cause the creation of foci of contamination, proven by sanitation tests.
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Mridha b Advanced Materials and Surface Engineering Research Unit Department of Manufacturing and Materials Engineering International Islamic University Malaysia, P.O.
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Finally materials transfer occurs in the areas where the WC grains have been removed.
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Formerly, brittle reaction layers were noticed in the joining of the similar materials [6].
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The planar surface dimensions, thickness, elastic modulus of the materials, and Poisson's ratio are as shown in Table 1 [20]. 2.2.
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Besides the study on strength properties and mechanism of the reinforced soil (Haeri et al. 2000, Michalowski 2004), the influence of the kinds of reinforcement materials and reinforcing styles on strength has been investigated.
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