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The air used empty material model (NULL).
The cylindrical shell material selected Johnson-Cook material model.
Journal of Chemical Industry and Engineering (China), 2008, 59(3):798-801
Journal of Taiyuan University of Technology, 2003, 34(1): 8-10
A Dual Rigid-Plastic Beam Model for Ductile Tubes Under-Gone Localized Mass Impact, Mechanical Properties of Advanced Engineering Materials[C].

The standard use of autoclaves is not ideal for devices which have sensitive polymeric materials such as catheters and endoscopes, and therefore a motivation exists for research into new methods for the low temperature biological decontamination of sensitive material surfaces.
While it is well known that a plasma discharge in direct contact with a surface is also very effective for this purpose, this technique has the significant drawback of causing significant damage to the surface, especially if it consists of polymeric materials.
This damage can result in increased wettability of the material, increasing bacterial adherence.
The inactivation of bacteria was demonstrated using humid argon as working gas, which avoids the problems of ozone production and acidification associated with the use of air, which also poses problems for the aging of materials.
J. of Plasma Environnemental Science & Technol. 1 (2007) 96-101.

Davidyuk, Self-compacting concretes: E-modulus and modulus of creep, Building materials. 6 (2009) 68-71
Davidyuk, Self-compacting concrete: shrinkage, Building materials. 8 (2009) 52-53
Potapov, Strength of composite building materials of frame structure, Izv.
Gortsevskoy, Deformation properties and parametric points of concrete frame structure, Engineering Journal of Don. 2 (2018) [11] G.V.
Saidumov, High-performance SCC-concrete at earthquake resistant construction, International journal of envirovmental & science education. 11 (18) (2016) 12779-12786

Conclusions The reduction of materials cost is one of the hottest issues in the optoelectronics industry now.
Acknowledgments The current study is supported by the National Science Council, contract 100-2221-E-152-003.
Shieh, International Journal of Industrial Ergonomics. 25, 275 (2000)
Pa, International Journal of Advanced Manufacturing Technology. 49, 147(2010)
Chu, Journal of Micromechanics and Microengineering. 15, 124 (2005)

Implementation of wear models for stamping tools under press hardening conditions based on laboratory tests Liang Deng1, a *, Sergej Mozgovoy2, Jens Hardell2, Braham Prakash2 and Mats Oldenburg1 1Division of Mechanics of Solid Materials Luleå University of Technology, Luleå, Sweden 2Division of Machine Elements Luleå University of Technology, Luleå, Sweden a, *liang.deng@ltu.se Keywords: wear model; FE-simulations; press hardening Abstract.
The static and dynamic friction coefficients for forming of uncoated material were assumed to be 0.40.
Rolfe, Contact Pressure Evolution at the Die Radius in Sheet Metal Stamping, Journal of Material Processing Technology, vol. 209, pp. 3532-3541, 2009
Oldenburg, Numerical implementation of a constitutive model for simulation of hot stamping, Modelling and Simulation in Materials Science and Engineering, vol. 15, pp. 105-119, 2007
Oldenburg, Austenite decomposition during press hardening of boron steel-Computer simulation and test, Journal of Material Processing Technology, vol. 174, pp. 399-406, 2006. [11] P.

Acknowledgement This study was supported by the National Natural Science Foundation of China (Grant No. 51178337 and 50708076), Basic Research of the State Key Laboratory for Disaster Reduction in Civil Engineering of Tongji University (Grant No.
International Journal of Fatigue. 31(2009), p. 476-487
Journal of Computational Physics. 229(2010), p. 4648-4663
Metallurgical and Materials Transactions. 32A (2001), p. 2297-2314
International Journal of Fatigue. 23(2001), p. 917-925

The value of “known” variation coefficient must not be less than 0.1, so that it was taken as vF = 0.1, unlike the actual variation coefficients with very small values of 0.014 and 0.017, which are probably caused by using the exactly same material with a very small variability of material properties.
But in the case of usage of different material, the properties variability can be larger.
Simon, Fatigue tests of assembly joints of truss main girders of newly developed temporary footbridges, International Journal of Mechanics, NAUN: U.S.A., Vol. 7 (2013), Issue 4, pp. 475-483.
Karmazínová, Structural design of newly developed temporary footbridge, Applied Mechanics and Materials, Trans Tech Publications: Zurich, Vol. 405-408 (2013), pp. 1623-1626, doi: 10.4028/ www.scientific.net/AMM.405-408.1623.
Karmazínová, Design assisted by testing – a powerful tool for the evaluation of material properties and design resistances from test results, International Journal of Mathematical Models and Methods in Applied Sciences, Vol. 6, No. 2 (2012), pp. 376-385.

Empirical Study on Intra-industry Trade and Domestic Income Gap Lei Xia1, Cui-cui Liu2 1School of Business, Jiangxi Science & Technology Normal University, Nanchang,330031, P.R.China 2Department of Economics, Huazhong Science & Technology University, Wuhan,430074, P.R.China 273317136@qq.com Keywords: Innovation; Finished Product; Intra-industrial; Trade Income Gap Abstract.
is raw material based classification finished product.
Inequality and trade[J].Canadian Journal of Economics, 2005,38(4): 1253-1271
[J].Internation Research Journal of Finance and Economics,20120,56:29-42
Intra-industry specialization in a multi-country and multi-industry framework[J].Economic Journal,1987,97:923-939

Despite the benefits of MFCs, there are still practical challenges to consider, such as limited electricity output, current instability, high internal resistance, and expensive materials.
This study offers a way to construct MFC systems that use organic and inorganic materials to generate power.
Journal of Renewable Energy Development, 2(2), pp.131-135
Journal of Environmental Sanitation, 1(2): 44-49
Water Science and Technology, 71(6), pp.801-809.

Introduction Ferromagnetic Shape Memory Alloys (FMSMAs) form a new class of functional materials, because they show ferromagnetic nature plus shape memory effect and pseudoelasticity.
Furuya: Proceedings of 1st Japan-France Intelligent Materials and Structures Seminar (October, Sendai, Japan), Ed. by J.
Watanabe: Materials Transactions, JIM, Vol. 39 (1998), p. 1248
Wuttig: Journal of Magnetism and Magnetic Materials, Vol. 262 (2003), p.
Wuttig: Materials Science and Engineering A, vol. 481-482 (2008), p. 442