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Metal[1‒5], organic materials[6‒8] and inorganic nonmetallic materials[9‒13] are the most widely used biological materials.
In recent studies, sodium titanate is being extensively studied due to its potential technological applications, such as photocatalysts, cation exchangers material for the treatment of liquid waste[15,16], electrode materials for ion batteries[17], reinforcing agents of plastic, gas sensitive materials for gas sensors[18], electrode materials of supercapacitors[19], heavy metal ions adsorption materials[20], and bioactive material etc.
Fig. 2 (a) The XRD pattern of the re‒synthesized raw materials.
Zanotto: Materials Science & Engineering C, Vol. 31 (2011) No.8,p.1791
Wang: Acs Applied Materials & Interfaces, Vol. 4 (2012) No.5,p.2762

In cooperation with the Institute of the Physiology of Academy of Sciences of the Czech Republic, human pericardium tissue has been modified by different cross-linking agents.
In cooperation with the Institute of the Physiology of Academy of Sciences of the Czech Republic, human pericardium is fixed with the most common crosslinking agent glutaraldehyde and naturally occurring crosslinking agent genipin and subsequently tested as a suitable autologous material.
Materials and methods Crosslinking.
Data were analyzed within 4 sample categories which were introduced in the section Materials and methods- Crosslinking.
Chang et all., Crosslinking characteristics and mechanical properties of a bovine pericardium fixed with a naturally occurring crosslinking agent, Journal of Biomedical Materials Research (1999) 116-126

With the development of science and technology, especially the rapid popularization and application of nanotechnology in the life, the development of the materials for badminton racquet string also reaches a higher stage [2].
The unique collective form of the nanofiber determines that the materials which are made from such fibers have very special property in comparison with the traditional materials.
Encyclopedia of Materials: Science and Technology (Second Edition), 2005, pp. 1-6 [3] Sun Yan, Wan Yunfang: Effect of exchange-coupling interaction on domain pinning mechanism in nanometer permanent materials.
Journal of Alloys and Compounds, vol. 509, 21(2011), pp. 6139-6141
Materials Science and Engineering, vol. 204, 1–2(1995), pp. 205-210.

[18] Mandal S, Rice J, Elmustafa AA, Experimental and numerical investigation of the plunge stage in friction stir welding, 2008, Journal of Materials Processing Technology,203, 411-19
[20] Schmidt H, Hattel JH and Wert J, An analytical model for the heat generation in friction stir welding, 2003, Modelling and Simulation in Materials Science and Engineering ,12 , 143
[25] Mirzae MH, Asadi P, Fazli A, Effect of Tool Pin Profile on Material Flow in Double Shoulder Friction Stir Welding of AZ91 Magnesium Alloy, 2020, International Journal of Mechanical Sciences,183
[29] Darras BM, Khraisheh MK, Abu Farha FK and Omar MA, Friction stir processing of commercial AZ31 magnesium alloy, 2007, Journal of Materials Processing Technology ,191, 77-81
[32] Safari M and Jalal J, Coupled Eulerian-Lagrangian (CEL) Modeling of Material Flow in Dissimilar Friction Stir Welding of Aluminum Alloys, oct 2019, Iranian Journal of Materials Forming, 6, 10-9

Materials can be used effectively to reduce construction problems and achieve the purpose to save steel.
Beijing: Science Press, 2003, 1-28
Journal of Xi'an University of Architecture and Technology,1998,(3):205-208
Journal of Xi'an University of Architecture and Technology, 1998,(3):209-212
Journal of Structural Engineering, 127(1): 3-11, 2001

Through machining experiment of the several major processed forms, it shows that the dual turntable five-axis machine system has high machining quality and could be used to machine the difficult-to-cut materials, spatial complicated curved surface parts and special requirements.
Five-axis CNC technology is one of the most difficult machine technical and is suitable for machining the difficult-to-cut materials, spatial complicated curved surface parts and special requirements, and has been widely used [3-4].
Through machining experiment of the several major processed forms, it shows that the dual turntable five-axis machine system has high machining quality and could be used to machine the difficult-to-cut materials, spatial complicated curved surface parts and special requirements.
Mechanical Science and Technology for Aerospace Engineering Vol. 27(2008), p. 119 [2] REN Fu-jun, CHINESE JOURNAL OF MECHANICAL ENGINEERING Vol. 43(2007), p. 214 [3] D.C.H.
Mechanical Science and Technology for Aerospace Engineering Vol. 29(2010), p. 936 [6] HU Fu-qiang, Journal of Harbin Institute of Technology Vol. 35(2003), p. 1172 [7] C.C.Lo, International Journal of Machine Tools & Manufacture Vol. 40(2000), p. 307 [8] Peternell M, Pottmann H, Ravani B.

At present, there are some research institutions using polymer materials to fabricate CMUT and have made some progress.
Polymer materials have the characters of good elasticity, not easy to break and large dynamic range etc..
SU-8 has a smaller reflection coefficient than that of other materials, and the acceptance rate is much higher, so it is an ideal material for capacitive acoustic transducers.
Journal of Tianjin University, 2008, 41(1):17-20
Journal of Aerospace Engineering，2003,16(2):76-84

Surface Morphology Studies on PBI membrane Materials of High Temperature for Proton Exchange Membrane Fuel Cells Zhenyu Zhai1,a, Yinggang Shen1,b*, Bin Jia3,c*, Yan Yin2,d 1Kunming University of Science and Technology , Kunming, China 2State Key Laboratory of Engines, School of Mechanical Engineering, Tianjin University, Tianjin, China 3Tianjin Internal Combustion Engine Research Institute, Tianjin, China azhaizhenyu1986@gmail.com, b*shenyinggang@163.com, c*jiabin@cleanengines.com, dyanyin@tju.edu.cn Keywords: PBI membrane; AFM; high temperature PEM fuel cell Abstract.
The lateral force image can shows the distribution of different materials or phases in the membrane.
It can be seen that before acid treatment, the sample surface materials distribute uniformly.
Journal of Power Sources 160(2006) p.872-891 [3] M.Geormezi, V.Deimede, J.K.Kallitsis, S.Neophytides.
Chinese Journal of Applied Chemisrty.Vol.23(2006) p.697-703 [6] Q.Li, R.He, J.O.Jensen, N.J.Bjerrum.

Berglund: Journal of Materials Science Vol. 32 (1997), p. 4071
Mckenna: Journal of Materials Science Vol. 36 (2001), p. 1755
Minak: Journal of Composite Materials Vol. 44 (2010), p. 1739
Composite Materials Handbook. 1997.
Dharan: Journal of Composite Materials. 2010 INTERNET

In contrast, materials and components have been studied deeply.
Research on Durability of Materials.
[6] Doo Kie Kim, Jong Jae Lee, Jong Han Lee et.al: Journal of Materials in Civil Engineering Vol. 3(2005) , p. 353-363
[7] D.O.McPolin, P.A.M.Basheer and A.E.Long: Journal of Materials in Civil Engineering Vol. 5(2009), p. 217-226
[9] Mohammad Pour-Ghaz, O.Burkan Isgor and Pouria Ghods: Journal of Materials in Civil Engineering Vol. 9(2009), p. 467-476