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Study of Deformation in the Active Region of GaAs/GaAlAs Laser Diodes WU Jin Ling1, a, WANG Xi Nian1,b and YUAN Lan Dang2,c 1Institute of Occupation Technical , Hebei Normal University Shijiazhuang , HeBei, China 2 Institute of Mathematics and Information Science , Hebei Normal University Shijiazhuang, HeBei, China awujinling0805@126.com, bwangxinian1960@126.com, cyld@126.com Keywords: Polarisation Directions; Mechanical Stress; Spectral Splitting; laser diodes Abstract.
Acknowledgment This work was financially supported by NSFC Grant (No:11171089), Hebei Science and Technology Research Item (No:12201708D) and the .Hebei Normal University Key Foundation (No.L2009Z10).
Billia, “Mixed cells in directional solidification of In-doped GaAs cellular profile and shape-induced stresses”, Journal of Crystal Growth,Vol. 140, No. 3–4, 1994, PP. 264–276
[2] X.D Wang, Z.C Niu, H Wang, and S.L Feng, “Formation of InAs quantum dots on low-temperature GaAs epi-layer”, Journal of Crystal Growth,Vol. 218, No. 2–4, 15 2000, PP. 209–213
Caymax, “Defect density reduction of the Al2O3/GaAs(001) interface by using H2S molecular beam passivation”, Surface Science,Vol. 605, No.19–20, 2011, PP. 1778–1783

Study on Preparation and Impact Performance of The Aluminium Foam Reinforced by ZrO2 Spheres Wu Jianguo1, Wang Lucai2 1College of Materials Science and Engineering，Taiyuan University of Science & Technology，Taiyuan，030024，China 2College of Materials Science and Engineering，Taiyuan University of Science & Technology，Taiyuan，030024，China 1Wjgzz951@126.com, 2zsby@sina.com Keywords: composite aluminium foam ZrO2 ceramic sphere, , infiltration process,compression wave,diffraction effect.
On the condition of preparing the precursor composed of the salt particals and ceramic spheres, the sample of composite aluminium foam is parpared by the press casting infiltration process.By the Hopkinson Bar hopkinson bar experiment, the result shows the composite sample holded the better impact performance than the aluminium foam .All of these should establish a basement to promote the deeper study and developmenter of composite foamed material. 1.
When the size and content ZrO2 spheres in the the composite samples were constant,the figure 9 showed the bigger the pore size the smaller the stress, the impact resistance of material foam raiseed with the decrease of the pore size.
Acknowledgements This work was sponsored by Taiyuan Unversity of Science &Technology Young Foundation(2007108).
[4] Deng.Qiong,Ye.Ting,Ying.Gang,Study on Overloading-resistibility of Initiator and Energetic Materials Based on the Technique of Hopinson Pressure Bar, Chinese journal of Explosives&Propellants,Vol32(6).2009 p.66-70 [5] Wu.Haijun,Yao.wei,Huang.Fenglei etc.Experimental Sdudy on Dynamic Mechanical Properties of Ultrahigh Strength 30CrSini2A Steel.Transactions of Beijing Institute of Technology.Vol.30 No.3(2010) p.257-262

The most common sound absorbing materials used are porous.
Lin: Advanced Materials Research Vol. 55-57 (2008), p. 393-396
Lou: Advanced Materials Research Vol. 97-101 (2010), p. 1801-1804
Lin: Advanced Materials Research Vol. 123-125 (2010), p. 475-478
Lin: Journal of Advanced Materials Vol. 40 No. 2 (2008), p. 33-40

Introduction Dental resin composites are widely used restorative materials.
Sol-gel techniques have been widely used for the preparation of organic-inorganic hybrid materials[8].
Experimental Materials.
Journal of Oral Science Research.
Materials research and bulletin.

Ruhi4,d 1, 2,4 Mazandaran University of Medical Sciences, School of Pharmacy and pharmaceutical Sciences research center, Sari Iran 3 Gonbad Institutes of Higher Education, P.
Since water soluble materials provide poor lubrication properties, There are only a few non toxic and tasteless substances resulting in sufficient lubrication and forming clear solutions, which are used in higher concentrations compared to the salts of fatty acids.
Fumaric acid and L- Leucine are found suitable soluble materials providing adequate lubricating properties.
Materials and methods Materials.
All the materials were purchased from Merck, Germany.

Feng, Effects of barium content on microstructure and magnetic properties of Sr0.7-xBaxLa0.3Fe11.8Zn0.2O19 M type Hexaferrites, Materials Technology.
Advanced Performance Materials. 29 (2014) 189
Wang, Template synthesis and magnetic properties of highly aligned barium hexaferrite (BaFe12O19) nanofibers, Journal of Magnetism and Magnetic Materials. 335 (2013) 28-31
Wang, Effect of aluminum substitution on microstructure and magnetic properties of electrospin BaFe12O19 nanofibers, Journal of Materials Science. 48 (2013) 1702-1710
Gu, Microwave absorption properties of nanocomposite films of BaFe12O19 and TiO2 prepared by sol-gel method, Materials science and engineering B. 133 (2006) 191-194

Material and Method 1.
Food science and nutrition. (2016) 4(2), 305–314
International Journal of Pharmaceutical Sciences Review and Research. (2014) 28(1), 75-82
Journal of the Science of Food and Agriculture. (2007) 87, 2638–2647
International Journal of Food Science and Technology. (2015) 50(3), 567-577

Journal of Food Science, Vol.56(1991)No.6, pp.1580-1585
Journal of Food Science, Vol.67(2002) No.2, pp.231-235
Journal of Food Science & Technology, Vol.45(2010)No.11,pp. 2352–2357 [15] E.
Journal of Food Science & Technology, Vol.44(2009)No.5, pp.890–899
Advanced Materials Research, Vol.295-297(2011), pp. 1206-1210.

References [1] Chmielewski M , Weglewski W, Comparison of experimental and modelling results of thermal properties in Cu-AlN composite materials, Bulletin of the polish academy of sciences-technical sciences. 61(2013)507-514
SHOBU, Hot-pressed AlN-Cu metal matrix composites and their thermal properties, Journal of materials science. 39(2004)1309-1313
[3] Tao Tao, Functional, Nano-materials Produced by Ball-milling, Central South University doctor’s thesis.(2011)10-23
[4] Lee KM, Weissgarber T, Kieback B, Microstructural and chemical properties of AlN-Cu nanocomposite powders prepared by planetary ball milling, Journal of materials science. 39(2004) 5235-5238
WŁOSIŃSKI, Relationship between mixing conditions and properties of sintered 20AlN/80Cu composite materials, Archives of metallurgy and materials, 55(2010)579-585.

Influence factors of water lubrication thrust bearing’s bearing capacity Materials and hardness match of bearing friction pair.
Friction pair materials and its hardness matching.
Acknowledgments The authors would like to thank the financial support from key science project of Jiamusi (11182), the project of Educational Commission of Heilongjiang Province of China (12511550), and the science and technology project of Jiamusi University (L2011-013).
Journal of Jiamusi University (Natural Science Edition).
Journal of Hydrodynamics. 1996(12), p.690-697 [4] Lingzhao Wang, Junxiang Yu, Hongfang Hao.