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Research methods A classic thermoelectric unit is composed of a p-n thermocouple, as shown in Fig. 1, where the p-type thermoelement is of hole-rich materials and the n-type the electro-rich materials.
In this paper, we define (13) Experiment results The Bi2Te3 is adopted as studied thermoelectric material, physical properties is showed in [6].
Science. (285) 1999 703~706
Journal of Electronic Materials. 2009, 38(9): 1214-1220
Journal of Applied Physics, 1996, 79(11): 8823-8828

Fig1 Pro/E graph of hydroturbine blades 2 Raw material Polystyrene foam plastics.
The same material is adopted for repair welding,when the default is not bigger.
Applied Surface Science , 139,434-438(1999) 2.
(Nature Science Edition) ,34,19-21(2006) (in Chinese) 4.
International Journal of Plant Engineering and Management, 11,247-250(2006) (in Chinese)

Collect related material, and use Authorware7.0, PowerPoint, Macromedia Flash MX and other software, to process and design, and then edit and compose the relevant materials, compounding commentary, music, subtitles, etc., for the courseware.
Through the Cool Edit software, the audio materials are processed to ensure their articulation and reasonable rhythm.
ThenuseAuthorware7.0 to integrate various materials, based on the overall structural design of courseware.
Journal of Shenyang Physical Education Institute,2006,02:118-119
Journal of Hangzhou Teachers College(Natural Science Edition), 2006,05: 437-440

This task is carried out in two directions –the improvement of existing structural materials [1,2] by their alloying, optimizing the structure, creating complex compositions and the formation of functional protective coatings on the surface of materials [3,4].
Desai, Materials for high-temperature protection, J.
Culha, Microstructural, Thermal and Mechanical Properties of HVOF Sprayed Ni–Al-based Bond Coatings on Stainless Steel Substrate, Journal of Materials Processing Technology. 204 (2008) 221–230
Krohalev, Investigation of the Phase Composition of the Diffusion Zone in the Al-Ni-Cr Composite Material, Applied Mechanics and Materials. 698 (2015) 430-433
Gurevich, The effect of high-temperature heat treatment on the transformation of the structure of hybrid coatings Ni/Ni2Al3, Problems of Materials Science.

Materials were washed with KQ3200E ultrasonic cleaning for 10min to remove surface impurities, and then dried to join.
Miller, Welding journal，Vol. 88 (2009) No.3, pp.28-30
Clements: Materials Research Society, Vol. 872 (2005), pp. 309-314
Moarrefzadeh: International Journal of Multidisciplinary Sciences and Engineering, Vol.2 (2011), NO.6, pp.51-56
Gillner: Laser Technique Journal, Vol.4 (2007), pp.21-25

Edge milling simulation requires a model element become part unit and the materials unit that need to be removed.
Yang, Advanced Areanautical Aluminum Alloy Materials Technology and Application, Beijing: National Defend Industry Press, 2012
Key Engineering Materials. 458(2010)283-288
Materials Science Forum Vols. 800-801 (2014) 368-373
Yan, Prediction model for machining deformation of aeronautical aluminum alloy thin-walled workpiece, Journal of Central South University (Science and Technology). 43(2012)1696-1702

Introduction With the development of modern industry, compound materials are widely used in many domains.
Friction welding has been applied in many fields because of its automated procedure and nice welding performance of dissimilar materials.
[2] Mümin ŞAHİN: Friction Weldihg of Different Materials.
Journal of Xi’an Jiaotong University, 44(2010)).63−67.
[11] Sun Xun Fang: Mechanics of Materials [M], Beijing, China.

The advantage of this method is that an empirical formula can be created for calculating the specific flank friction output, too, which can be used without measuring forces in materials of that hardness in a wider range.
Journal of Materials Processing Technology.
Materials Science and Engineering, Vol. 325/1,2, 2002, pp.356-364 [7] Yue Caixu, Liu Xianli, Ma Jing, Liu Zhaojing, Liu Fei, and Yang Yongheng, Hardening Effect on Machined Surface for Precise Hard Cutting Process with Consideration of Tool Wear.
Journal of Materials Processing Technology 214 (2014) 1293–1300
Journal of Manufacturing Science and Engineering Vol. 122/4 2000, pp.642-649

Introduction Recent developments in the analysis of plates and shells laminated of fiber-reinforced materials indicate that thickness has more pronounced effects on the behavior of composite laminated shells than on isotropic laminated shells [1].
Journal of Sound and Vibration.
AIAA Journal, Vol.22, pp.803-810,(1984) [5] Barbero E.J., Reddy J.N.: General two-dimensional theory of laminated cylindrical shells, AIAA Journal, Vol.28, pp.544-553, (1990) [6] Bhimaraddi A: Dynamic response of orthotropic, homogeneous, and laminated cylindrical shells.
AIAA Journal, Vol.23, pp.1834-1837,(1985) [7] J.
Journal of Sound and Vibration, Vol.176, pp.145-161,(1994)

,Xu,L.Y., Effect of graphene nano sheets reinforcement on the performance of Sn–Ag–Culead- free solder, Materials Science & Engineering A 562 (2013) 25–32
Springer Science + Business Media [4] Nai, S.M.L, Wei, J. & Gupta, M., Lead-free Solder Reinforced with Multiwalled Carbon Nanotubes, Journal of Electronic Materials.Vol.35(7) (2006) 1518-1522
Springer Science + Business Media [7] Han, Y.D.
[8] Wu, C.M.L., Properties of Lead Free Solder Alloys with Rare Earth Element Additions, Materials Science and Engineering R 44 (2004) 1-44
Effects of Ni-coated Carbon Nanotubes addition on the electromigration of Sn-Ag-Cu solder joints.Journal of Alloys and Compounds 581 (2013) 202-205.