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In this way, the short wavelength light can be absorbed by the external materials of the cell while the longer-wavelength light can be absorbed by the narrow band-gap materials through transmitting into the internal cell and the efficiency of solar cell with our design structure can be improved.
The parameters of materials used in simulation are given in table 1.
[6] Shaozhen Xiong, Meifang Zhu, Basic & Application of Solar Cell, Science Press (2010) 230-337
[9] Rech B, Kluth O, Repmann T, Roschek T, Springer J, Finger F, Stiebig H, Wagner H, New materials and deposition techniques for highly efficient silicon thin film solar cells, Solar Energy Materials and Solar Cells. 74 (2002) 439-447
[11] Hongcheng Wang, Xuanying Lin, Xiaohua Zeng, A computer simulation on optimal design of a-Si:H stacked solar cells, Journal of functional materials. 6 (2003) 673-675

Materials and Experimental 2.1 Materials Cellulose acetate (CA) purchased from sigma Aldrich chemicals; Annular grade N, N dimethylformamide (DMF), and sodium lauryl sulfate (SLS) were obtained from Sigma company.
Emergent Materials, 2021: p. 1-16
Journal of Hazardous Materials, 2008. 155(3): p. 507-512
Emergent Materials, 2021. 4(5): p. 1455-1463
Research Journal of Applied Sciences, 2016. 11(11): p. 1404-1410

Materials and methods Field sites.
At the same time, It has formed an industrial system complete with all necessary departments, giving priority to mechanical processing, embracing automobile, petrochemical industry, aviation, pharmacy, building materials, metallurgy, electronic industry, coal industry, and so on[18].
Mahmodabadi: International Journal of Agriculture & Biology Vol. 13 (2011), p. 599-602
Sánchez and Sánchez: Science of the Total Environment Vol. 378 (2007), p. 42-48 [13] A.M.
Liu: Journal of Hazardous Materials Vol. 174 (2010), p. 455-462

Introduction Many research results have indicated that long-term application of organic fertilizers can improve the quantity of soil organic matter, promote the accumulation of soil humus, and update and activate old organic materials and improve the activation of humus [1-2].
The research results of long-term field experiment by Witter [4] demonstrated that the biomasses of soil microbial all were improved with long-term application of green manure, farmyard manure and organic fertilizers and organic materials.
Materials and Methods General situation of the experimental field The experiment was carried out in the newly-established vegetable greenhouse in Lvfulong Ecological Farm in Yanqing County, Beijing (115°44'-116°34' east longitude, 40°16'-40°47' northern latitude) during July, 2010 and July 2011.
Mittra: Journal of Agricultural Science, Vol. 111(1988), P. 495 [7] D.R.
Zhen: Chinese Journal of Soil Science.

INFLUENCE OF ANNEALING ON THE SURFACE TOPOGRAPHY AND MAGNETIC PROPERTIES OF THIN FILMS OF THE FINEMET-TYPE ALLOY Evgeniya Mikhalitsyna1,a *, Vasiliy Kataev1,b, Pavel Geydt2,c, Vladimir Lepalovsky1,d and Erkki Lähderanta2,e 1Department of Magnetism and Magnetic Nanomaterials, Ural Federal University, 620002, Ekaterinburg, Russia 2Lappeenranta University of Technology, 53851, Lappeenranta, Finland aevgenia.mihalitsyna@gmail.com, bvasiliy.kataev@urfu.ru, cpavel.geydt@gmail.com, dvladimir.lepalovskiy@urfu.ru, eerkki.lahderanta@lut.fi Keywords: soft magnetic material, FINEMET, thin films, atomic force microscopy, annealing.
Using appropriate heat treatment it is possible to control the material structure and magnetic properties by altering number and composition of Fe(Si) grains [2].
Acknowledgements This work was supported by The Ministry of education and science of the Russian Federation under State Order №1362.
The Russian Journal of Applied Physics 58 № 1 (2013) 105.

Polychroniadis1,e * , Pawel Prystawko2,3,f, Mike Leszczynski3,2,g 1 Department of Physics, Aristotle University of Thessaloniki 54124, Greece 2 Institute of High Pressure Physics “Unipress”, Polish Academy of Sciences Sokolowska 29/37, 01-142 Warsaw, Poland 3TopGaN Ltd, Sokolowska 29/37, 01-142 Warsaw, Poland aalexgkan@auth.gr, blioutas@physics.auth.gr, cfrangis@auth.gr, dnaren@physics.auth.gr, epolychr@auth.gr, fpprysta@unipress.waw.pl, gmike@unipress.waw.pl Keywords: GaN, SiC, heteroepitaxy, TEM Abstract.
The present work concerns the microstructural characterization of a multi-component (based on GaN and related materials) and multi-layered (5 layers) film, grown on 6H-SiC substrate (with a misorientation of 1 degree off from the (0001) plane), using transmission electron microscopy (TEM).
Power Electronics Technology (2010) 21 [3] Ding Guojian, Guo Liwei, Xing Zhigang, Chen Yao, Xu Peiqiang, Jia Haiqiang, Zhou Junming, and Chen Hong, Journal of Semiconductors 31 (2010) 033003-5 [4] Davydov V Y, Averkiev N S, Goncharuk I N, et al., J.

Fig.7 Contact length in different work materials Surface Temperature.
It presses against a curved surface, and whereby the material is ground.
Acknowledgement This project is sponsored by grants from the National Natural Science Foundation of China on "Research on Formation Mechanism and Control Methods of White Layer in Hard and Difficult-to-cut Metal Grinding" (No.50675063).
Shaw: Journal of Engineering for Industry, Vol.103 (1981) No.1, pp.73-78
Tsunemoto: Journal of Materials Processing Technology, Vol.136 (2003) No.1, pp.39-47.

The factors influencing sealing performance are considered, such as initial compressibility, sealing materials.
The seal material and compression ratio are both great influence on the sealing performance , which should be based on working conditions to select the appropriate sealing materials.
In this paper, the same sealing structure is established for three different materials seal to simulate their own the sealing performance.
The three materials seals worked in the maximum contact stress curve is shown in Fig.3, and the maximum shear stress curve is shown in Fig.4.
The seal material and compression ratio are both great influence on the sealing performance , which should be based on working conditions to select the appropriate sealing materials.

Abdul Hadi2 1 Faculty of Applied Science, Universiti Teknologi MARA 2 Faculty of Civil Engineering, Universiti Teknologi MARA * Corresponding E-mail: haslinda_hamid@hotmail.com Keywords: codoping, silicon, sputtering, zinc oxide Abstract.
ZnO thin films, with a direct wide band gap (3.37 eV) have been recognized itself as an important functional material for the potential application in short wavelength optical devices such as light emitting diodes (LEDs) and laser diodes (LDs) [1-3].
Ried, E.Kim, D.M.Hong and R.S.Muller, Journal of Microelectrochemical Systems, 2 p.111-120, 1993
[4] M.Komatsu, N.Ohashi, I.Sakaguchi, S.Hishita and H.Haneda, Applied Surface Science, 189 p.349-3352, 2002
[5] T.Yamamoto and H.K.Yoshida, Japanese Journal Applied Physics, 38, p.166, 1999

If the pendulum material does not change, the key method to optimization is changing size of each parts of the pendulum.
Review on Technology Shock-Resistance Test for Equipments of Naval Ships, China Science and Technology Information Vol.26,No.2, 2012)
Applied Science and Technology.
Journal of xuzhou teachers college,Vol.14, No.1,1996
Journal of East China Institute of Technology, No.2,1991