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Mathematical Models Mathematical Mode of Photovoltaic Cells: The photovoltaic cell is made by using the photovoltaic effect of semiconductor materials.
The photovoltaic effect refers to the semiconductor materials to absorb light energy, and generate an electromotive by separate electron pairs excited by photons [3].
Huazhong University of Science and Technology(2011) (In Chinese)
[3] Rong Liu:the technology of natural power (Natural Science Press, Beijing 2000) (In Chinese)
Solar Journal,Vol. 22, No. 4, p.409-412 (2001) (In Chinese)

The Mean Projected Range and Range Straggling of Er Ions Implanted in 6h Silicon Carbide Xi-Feng Qin1, a, Hui-Ning Wang2, b, Zi-Wu Ji2, c, Feng-Xiang Wang1,d and Gang Fu1,e 1School of Science, Shandong Jian Zhu University, Jinan 250101, China 2School of Physics and State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China axfqin@sdjzu.edu.cn, bwhn422@mail.sdu.edu.cn, cjiziwu@sdu.edu.cn, dfengxiang@sdu.edu.cn, egangfu@sdjzu.edu.cn Keywords: Er ion implantation; 6H-SiC; projected range; range straggling; Rutherford backscattering technique Abstract.
Introduction The rare-earth (RE) doping of Si and Si-related materials [1-8] in the last years has been extensively studied for the development of light-emitting devices in the Si-based optoelectronics initiated by the reports on the photoluminescence (PL) and electroluminescence (EL) centered at around 1.54 μm of Er3+ (4I13/2→4I15/2) in Si [9].
This work was supported by the Natural Science Foundation of Shandong Province, China (Grant No.
ZR2011AM011), the National Natural Science Foundation of China (Grant No. 11005070, 51042002) and the Science and Technology Item of Shandong Province Housing and Urban-Rural Construction Department (Grant No. 2011YK033).
Wang, et al.: Journal of Shandong Jianzhu University Vol. 24 (3) (2009), p. 212 [4] M.

WRI World Congress on Computer Science and Information Engineering, Los Angeles, CA, 31 March- 2 April, pp 484-487
International Journal of Control and Automation, 2(3), pp 1-12
Advanced Materials Research, 317, pp 350-353
International Journal of Computer Integrated Manufacturing 25(1), pp 51-65
International Journal of Advanced Science and Technology, 7, pp 27-48.

Bulleit4,c 1Associate Professor, Wuhan University of Science and Technology, China. 2graduate student , Wuhan University of Science and Technology, China 3Assistant Professor, Michigan Technological University, USA 4 Professor and Chair, Michigan Technological University, USA.
Material strength grades vary from MU10, M10 MU10, M5 to MU10, M10.
Journal of Building Structures, Vol. 29 (2008) No.4, p.1
Lü : Shear behavior and calculation of load-bearing capacity of masonry shear wall, Journal of Building Structures, Vol. 26 (2005) No.5, p.26
[5] Ellingwood B: Analysis of reliability of masonry structures, Journal of the Structural Division, ASCE Vol. 107 (1981) No.5, p.757

Now the NC materials still spend a lot of chapters on this algorithm because understand the algorithm is beneficial to learn other more complex interpolation algorithm[2].
Mao, “Improving method for straight line function circular arcs interpolation” , Journal of Henan Institute of Science and Technology, vol. 34, pp. 95-97, 2006
[4] Y.H.Wang, “Research on minimum deviation interpolation algorithmic optimization in CNC system”, Journal of Qiqihar University, vol. 24, pp. 79-82, 2008
Xie, “Optimal design on interpolation algorithm of numerical control system”, Journal of Anhui Vocational Technical College, vol. 5, pp. 1-4, 2006
Ye, “Research on high speed interpolation algorithm of NURBS curve for computer numerical control machine”, Joural of Hennan Polytechinc University ( Natural Science), vol. 27, pp. 307-313,327, 2008

Experiments Experiment materials and drugs. 130g/ m2 cotton fabric (plain weave fabric after blenching, desizing and semi-mercerization process on the market).
Treatment of cellulose with cationic, nuclephilic polymers to enable reactive dyeing at neutral without electrolyte addition[J].Journal of Applied Polymer Science,2003,89(4):1026-1031
Application of tertiary amine cationic polyacrylamide with high cationic degree in salt-free dyeing of reactive dyes[J].Chinese Journal of Chemical Engineering,2010,18(6)1023-1028
International Journal of Clothing Science and Technology,2007,Vol.19:99-108.

The materials of the rotating ring and the stationary ring are Si3N4 and SiC respectively, their coefficients of thermal conductivity are 22 w/mK and 110 w/mK respectively.
Orcutt: Journal of Lubrication Technology Vol. 91 (1969), p.713-725
Frene: Journal of Tribology Vol. 113 (1991), p.571-576
Kong: Application of Finite Element Method in Heat Transfer (Science Press, Beijing 1998),in Chinese
Journal of Tribology Vol. 46 (2003), p. 187-192.

Placed Piezoelectric ceramic materials into the strengthening DC field, the internal electric domain of ceramic will be rearranged and its polarization direction will orientation again, piezoelectric ceramic presents the macroscopic residual polarization [10].
Nanjing: Nanjing university of science and technology, 2011: 1-4
Chemical Engineering Journal, 2010, 7413:1-8
Journal of Harbin Institute of Technology (New Series), 2014,2(21): 99-103
Journal of Heilongjiang Hydraulic Engineering College, 2013,4(2): 103-112

Photoelectro degradation of rhodamine B on Co-doped TiO2 films under visible light Feng Zhua, Jianglin Cao*,b, Ning Duanc State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science & Engineering, Tongji University, Siping Road1239#, Shanghai 200092, China arunxi2007@sina.com, bjlcao@tongji.edu.cn, cningduan@tongji.edu.cn Keywords: Co-doped TiO2; Thin films; Photodegradation; Rhodamine B; Visible light Abstract: In a single photoreactor, the degradation of rhodamine B (RhB) was studied on TiO2 and Co-doped TiO2 (Co-TiO2) films under visible light.
However, most of these studies are focus on power materials.
Clem: submitted to Journal of Molecular Catalysis A-Chemical (2014) [2] H.J.
Wang: submitted to Journal of Alloys and Compounds (2014) [3] Y.C.
Kawada: submitted to Journal of Colloid and Interface Science (2000) [6] S.

The former researchers assuming the foundation is rigid and homogeneous material, which is very different with the engineering condition[4-5].
Fast Langrage Analysis Code(FLAC) is a program of 2D explicit formulation finite difference, which can simulate the plastic flow of material such as rock, soil while reaching yield limit.
Chen, F.GAO, Numerical Analysis of Foundation Bearing Capacity, Chinese Journal of Geotechnical Engineering, Vol.19(5)( 1997),p.6-13
International Journal of Rock Mechanics and Mining Science &Geomechanics Abstracts, Vol.37(2000) ,p.1013-1018
Canadian Geotechnical Journal, Vol.40(3)( 2003).p.702－707