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Valvular leaflets made with polymer materials of porcine or bovine pericardial can be opened or closed by ejected blood.
We assume valve leaflets material’s modulus of elasticity which is 5.4Mpa and its Poisson’s ratio is 0.48[5].
Acknowledgment This work was supported by the National Natural Science Foundation of China(NO:31170906) and the Technic Development Foundation of Shandong Province (2009GG10002082).
[4] Luo, X.Y, W.G.Li and J.Li, Geometrical Stress-Reducing Factors in Anisotropic Porcine Heart Valves, Journal of Biomechanical Engineering.Commun. 125 (2003)735-743
Martin, Smoothing Spline Curves and Surfaces forSampled Data, International Journal of Innovative Computing, Information and Control(IJICIC).

Straser, New effective disaster forecasting methodology, MM Science Journal, 10 (2023) 6662-6667
Behun, Selection of materials hydroxylapatite using the method of analysis of hierarchy, MM Science Journal, 6 (2023) 6472-6477
Jablonský, The influence of hydrogen concentration in natural gas on heat flows in a thermal aggregate, MM Science Journal, 12 (2022) 6162-6168
Venkataramanan, Si3N4–TiN conductive ceramic composites: topography on EDMed surfaces and precise drilled holes, Materials science and technology, 39:15 (2023) 2006-2017
Gopal, Advanced Materials for Promoting Sustainability (2022) 6022550 [26] D.P.

This increased interest can be attributed to the fact that the optical and electrical properties of these materials are highly dependent on particle size, and that materials make this very simple due to superior particle size control [12].
Materials and Methods Figure. 1 depicts a diagram of laser ablation for nanoparticles in a liquid environment.
Synthesis, properties, and applications of carbon nanotubes filled with foreign materials: a review.
Materials Today Physics. 7 (2018) 7-34
Materials. 12(12), (2019) 1976

Meanwhile, door trim with kenaf-polypropylene base materials has a weight reduction from resin-polypropylene base materials.
Liu: Science of the Total Environment Vol. 622 (2018), p.1294-1303
Zainudin: Materials & Design Vol. 40 (2012), p.299-303
Ameyama: Advanced Materials Research Vol. 896 (2014), p.570-573
Ameyama: Journal of Ceramic Science and Technology Vol. 2(3) (2011), p.139-146

Tire materials are multiplayer, asymmetric and anisotropic.
Establishment of FEM model of rolling tire A tire structure comprises of composite parts of different materials.
Knisley: Tire Science and Technology Vol.30 (2002), p.83 [3] M.
Ulrich: Journal of Materials in Civil Engineering Vol. 12(2000), p.46 [4] T.
Fujikawa and I.Yamaguchi: Tire Science and Technology Vol.27 (1999),p.106 [5] R.D.McGinty, T.B.Rhyne and S.M.Cron: Tire Science and Technology Vol. 36(2008), p.244 [6] K.R.Smith, R.H.Kennefy and S.B.knisley: Tire Science and Technology Vol. 36(2008), p. 290 [7] G.Gim, Y.Choi, and S.Kim:Vehicle System Dynamics Vol.43(suppl.) (2005), p.267 [8] Y.J.Guan,G.Q.Zhao and G.Cheng: Journal of Reinforced Plastics and Composites Vol.25 (2006), p.1059 [9] Y.J.Guan,G.Q.Zhao and G.Cheng: Journal of Reinforced Plastics and Composites Vol.26 (2007), p.1921

Abstract: Aluminum alloys have been increasingly applied as a structural material in composite materials using metal matrix due to their excellent mechanical properties and low weight.
The results show that the method used is effective to obtain composite materials with improved characteristics.
Introduction The metal matrix composites, which were designed with the aim to conjugate the desired characteristics of two or more materials, constitute one of the most important research fields in materials science and engineering since the beginning of 60 decade.
Journal Materials Processing Technology, 53, pp. 273-284, 1995
Journal of Materials Science, Vol. 32, pp. 1-16, Chapman &Hall, 1997

MATERIALS AND METHODS Material and reagent.
Journal of Colloid and Interface Science, 268(2): 330-340
Journal of the Science of Food and Agriculture, 86(12): 1826-1832
Journal of Applied Polymer Science, 100:1277-1281 [9] Gao Tianming. et al. (2010).
Journal of Applied Polymer Science, 109:1944-1949 [11] Zheng changren.

In this study, polyvinylpyrrolidone (MW ~ 1,300,000, PVP), titanium tetraisopropoxide (TTIP), ethanol and acetic acid from Sigma-Aldrich were used as the starting materials.
Summary TiO2 nanofibers were prepared successfully via simple and efficient electrospinning method by using PVP and TTIP as starting materials and heat treated under different temperature.
(David) Lou, Direct synthesis of anatase TiO2 nanowires with enhanced photocatalytic activity, Advanced Materials. 24 (19) (2012) 2567-2571
Lozano, Experimental study of nanofiber production through forcespinning, Journal of Applied Physics 113 ( 2013)
Seraphin, Structural characterization and morphology of electrospun TiO2 nanofibers, Materials Science and Engineering B. 131 (2006) 147 – 155

MnZn-ferrites falls under the class of materials with the spinel crystal system with the general formula of AB2O4.
Rare earth materials are known for its appealing electrical insulation properties with high values of electrical resistivity.
As the rare-earth materials plays important parts in defining the magnetic anisotropy, rare-earth substituted spinel ferrite might be a potential competitor for hexagonal ferrites and garnets [5].
Volinsky, Heat treatment effects on microstructure and magnetic properties of Mn–Zn ferrite powders, Journal of Magnetism and Magnetic Materials, 322 (2010) 173-177
Šepelák, Magnetic properties of nanostructured MnZn ferrite, Journal of Magnetism and Magnetic Materials, 321 (2009) 152-156.

The state of the art technology to cut these parts within a high volume production is a progressive punching process using metal strips from coils as semi-finished materials.
As a result, material thicknesses from 0.05 up to 0.5 mm for many metal materials used in industry can be remote cut by means of single mode fiber laser with final velocities between 50 and 1000 m/min.
Beyer, Fibre laser cutting: beam absorption characteristics and gas-free remote cutting, Journal of Mechanical Engineering Science, 2010 Vol 224 No C5, p. 1007-19 [3] M.
Zaeh, Combining remote ablation cutting and remote welding: opportunities and application areas, Photonics West, High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics and Applications, 24. - 26.01.2012, San Francisco, California, USA, Vol. 8239 8239 0Q [5] A.
Beyer, Laser Remote Cutting of Metallic Materials: Opportunities and Limitations, Industrial Laser Applications Symposium, ILAS 2015 : 17 - 18 March 2015, Kenilworth, United Kingdom Bellingham, WA: SPIE, 2015 (Proceedings of SPIE 9657), ISBN: 978-1-62841-870-5Paper 965708, 5 pp