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These became an opportunity for the engineer to seek a new acoustic materials or new methods to enhance the noise absorption and attenuation.
Some researchers [1-4] have developed new acoustics material using natural product for the noise absorber materials.
Beranek & Ver [11] use same idea to calculate the acoustic impedance of perforated plate backed with air cavity or porous materials.
Ismail and M.Z.: Journal of Applied Sciences.
[10] Bolt: Journal Acoust Soc Am.

With the weight-reduction requirement for transportation tools, more and more plastics and composite materials will be applied.
Therefore, the joints between different materials were required.
Joints between CFRP with metal In addition, other lightweight materials are considered to make joints with CFRP.
International Journal of Adhesion & Adhesives, 2007, 27(7) : 574 – 583
International Journal of Adhesion & Adhesives, 2006, 26: 184 – 198

Advanced Materials 2015, 27(47), 7861-7866
Journal of Materials Chemistry A 2017, 5 (26), 13469-13474
Journal of Materials Chemistry A 2015, 3 (22), 11970-11975
Journal of Materials Chemistry A 2017, 5 (29), 15302-15309
Journal of Materials Chemistry A 2015, 3 (28), 14750-14758

Mechanics of Composite materials. (2nd ed
Material science Engineering.
Perspectives in Science. 8. (2016). pp. 428-431
Journal of Materials Processing Technology. 211. (2011). pp. 482-487
Journal of Minerals and Materials Characterization and Engineering. 11. (2012). pp. 1126-1131.

Objective: To test and contrastive analysis the crystal structure and mechanical characteristics of enamel and dentin of primary and permanent teeth by XRD and contact angle meter, provide information and experimental data for bionics and designs of dental materials.
Materials and Methods Teeth samples All the samples in this study were healthy primary and permanent teeth extracted for periodontal disease or orthodontic reasons with the donors from Lanzhou University Dental Hospital patients, Collected in Sept. 2011 - Sept. 2012.
Chinese Journal of Stomatology, 1998, 33(2):94-96 [3] Huang Yi.
Journal of Bethune medical university journal 1994; 20 (2): 194-195 [8] Bai,Ke; Zhang, Taihua;Yang,Zhiyu; Song,Fan;Yang, Xiaoda;Wang, Kui.
Chinese science bulletin 2007; 52 (8): 870-874 [9] Wang, Xiaobo；Yao，Yueling.

The EBOM of chemical tower based on UG Zhang Juncai, Chen Qingguo School of Mechanical Engineering, Hebei University of Science and Technology, Shijiazhuang Hebei 050018,China zhjc666@126.com; chenqg66@126.com Keywords: chemical tower, Bill of Materials （BOM）, VB, depth traverse, Engineering BOM(EBOM), application development Abstract.
In UG(Unigraphics）environment, computer aided design on Bill of Materials (BOM)for chemical towel is developed using the development tools of VB.
Aiming at the issues above, the paper develops computer aided design on Bill of Materials (BOM) of chemical towel to improve the data management.
Journal of Materials Processing Technology[J], 2003, 139 (1-3): 535-538
The International Journal of Advanced Manufacturing Technology, 2003, (22): 3-7

Preparation of Nano Titanium Dioxide using Industrial Raw Material Peixin Zhang1,2,a , Dongyun Zhang1,b , Qi Qiu2,c , Li Jing2,d , Xiangzhong Ren2,e 1 School of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, P.R.
Hu: Materials Review Vol. 14(2000), p. 35-37 [3] Z.B.
Luan: Chinese Journal of Materials Research Vol.19 (2005), p. 213-217 [4] Diebold.
Zhang: Chinese Journal of Materials Research Vol.20 (2006), p. 454-458 [6] X.M.
Fang: Materials Review Vol. 2 (1998), p. 23-26 [11] T.

The simulation actually provides some guidance for synthesis of metal composite materials.
Introduction Metal matrix ceramic composite material is a potential thermal structural materials for over decades, it can not only overcome the brittle fracture defects, improve the fracture toughness of ceramic materials, but also maintain high temperature, low expansion, high specific strength, high specific modulus, etc, have good resistance to abrasion and chemical resistance [1].
The simulation actually provides some guidance for synthesis of metal composite materials.
[4] M.1.Peeh-Canul, M M.Makhlouf: Journal of Materials Synthesisand Proeessing Vol.8 (2000), p.35-52
[6] Xiangqian Kong: Finite element method in heat transfer application (Science Press, Beijing 1998), in Chinese.

Introduction Recently, there are tremendous industrial needs for engineering materials.
A possible concept to meet this demand is that of functionally gradient materials (FGM).
In general, statistically isotropic materials can be characterized as particles of material I in material II, particles of material II in material I, or an interconnected network of both I and II.
Applied Surface Science. 300(5) (2014)129-140
Chinese Journal of Aeronautics. 22(3) (2009) 339-342

Additionally, etching submicron features in insulating material such as SiO2 or materials masked with insulators, e.g., photoresistmasked polysilicon, are accompanied by feature charging effects caused by differences in electron and ion angular distributions.
Sethian: Level Set Methods and Fast arching Methods: Evolving Interfaces in Computational Geometry, Fluid Mechanics, Computer Vision and Materials Sciences (Cambridge University Press, Cambridge, UK 1998)
Giapis: Journal of Vacuum Science and Technology Vol.
Sawin: Journal of Vacuum Science and Technology Vol.
Lichtenberg: Principles of Plasma Discharges and Materials Processing (John Wiley & Sons, Inc. 1994)