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Acknowledgements: This research is sponsored by the National High-Tech Research and Development Program of China (2007AA04Z440), the Program for New Century Excellent Talents in University (NCET-08-0494), the Qianjiang Talent Program of Zhejiang Province (2009R10026), the Science Foundation of Chinese University (2009QNA4002) and the Key Science and Technology Innovation Team Program of Zhejiang Province (2009R50008) References [1] B.
Han: Journal of System Simulation Vol. 14 (2002), p. 827 [5] Y.
Zhang: Mechanical Science and Technology Vol. 25 (2006), p. 1377 [6] R.
Chen: Journal of Zhejiang University (Engineering Science) Vol. 36 (2002), p. 92 [7] K.
Liu: Advanced Materials Research Vol. 139-141 (2010), p. 2207 [9] A.

Acknowledgments This work was financially supported by the Major Program of the National Social Science Foundation of China(10zd&048), and the Humanities and Social Sciences Foundation from Ministry of Education of China(08JA910005).
References [1] Shibin Song, Qi Song and Tao Zhong, China’s Human Capital and the Demographic Dividend, Applied Mechanics and Materials Vols. 58-60, p.370(2011)
[2] Qingrui Lui and Hongjun Miao, Strategy Research on Extension of Retirement Age Under the Trend of Population Aging, Journal of Larithmics, 2004, p.566-570(in Chinese)
Chen, Equivalent Retirement Ages and Their Implications for Social Security and Medicare Financing, Journal of Public Economics, Vol.2(1994) (in Chinese)
[9] Jintang Pan, Analysis of World’s Male and Female Retirement Age, Social Sciences in Gansu, 2003, p.134-138(in Chinese)

Materials and Methods Experimental animals and reagents.
Animal feedstuff was provided by the Suzhou Experimental Animal Feed Science and Technology Co., Ltd.
Meng: Journal of Chemical and Pharmaceutical Research, Vol. 6 (2014) No. 1, p.246-253
Meng: Journal of Agricultural and Food Chemistry, Vol. 62 (2014), p.1810-1818
Cha: Food Science and Biotechnology, Vol. 16 (2007) No.1, p.85-91

International Journal of Information Management
Applied Mechanics and Materials.(2012),p.166-169
Science and Technology Management Research. (2009),p.400-403
Science of Science and Management of S. & T.11,(2006),p.77-81
Journal of Global Information Management. (2009),5(17),p.55-73

Materials and Method The sol-gel method was used for the preparation of Mg0.8Ni0.2Fe2O4 ferrites.
Acknowledgment We would like to thank the staff of the Molecular Biology Laboratory of the Institute of Biology, Mongolian Academy of Sciences and the for their assistance in conducting this research.
HAZEEM, Arab Journal of Basic and Applied Sciences, (2020), [3].
Hashim, et al., Journal of Nanomaterials, (2013), 1-8 [4].
Uyanga, et al., Solid State Sciences 109 (2020) 106400 [14].

All raw materials, road transportation, pollutants emission and energy consumption were compiled based on this functional unit.
Data on resources and auxiliary materials were obtained from the Heavy Nonferrous Metal Design Manual and previous research [11].
And the average distances of Chinese freight traffic were adopted for modeling the transportation process of the auxiliary materials.
International Journal of Life Cycle Assessment, (2016) 1-10
Materials Research Innovations, 18(S4) (2014) S4-56-S4-61

Materials and Methods This study collected a practical dataset from the Adults’ Preventive Care Service at a hospital located in southern Taiwan from January, 2005 to December, 2006, which contains 1,048 patients within the age range of 40 to 64.
Huang: Journal of Healthcare Management Vol. 7 (2006), p. 349
Huang: Formosan Journal of Medicine Vol. 11 (2007), p. 363
Lin: Taiwan Journal of Family Medicine Vol. 16 (2006),p. 112
Lin: Taiwan Journal of Family Medicine Vol. 17 (2007), p. 99

Parametric Studies on Effect of Trailing Liquid Nitrogen Heat Sink on TIG Welding of Steels R S Sudheesha, N Siva Prasadb Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, India arssudh@gmail.com, b siva@iitm.ac.in Keywords: Welding, Residual Stress, Trailing heat sink, Finite element method (FEM) Abstract: Welding is an efficient material joining process.
Temperature dependent material properties such as thermal conductivity, specific heat, Young’s modulus, yield strength are used for analysis.
Acknowledgements This work is financially supported by Department of Science and Technology, Government of India.
[2] M.M.Mahapatra, G.L.Dutta, B.Pradhan and N.R.Mandal: Three-dimensional finite element analysis to predict the effects of SAW process parameters on temperature distribution and angular distortions in single-pass butt joints with top and bottom reinforcements, International journal of Pressure Vessels and Piping, Vol.83(2006), pp.721-729
C.Sun: Studies on characteristics of temperature field on GTAW with a trailing heat sink for titanium sheet, Journal of Materials Processing Technology, Vol. 147 (2004), pp. 328-355

Controlled Growth of ZnO with Different Morphologies on Zn Foils by a Simple Aqueous Solution Method Qingling Sun, Yongqin Chang*, Changjing Shao and Yi Long School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China xrd2009@sina.com, *chang@ustb.edu.cn, 13370153163@126.com, longy@mater.ustb.edu.cn Keywords: ZnO, Morphology, Controlled growth, Cl ion, Solution method.
In this work, ZnO materials with different morphologies were deposited on Zn foils by a simple aqueous solution method, and the shape of ZnO can be controlled by the concentration of Cl ions in the solution.
The competition between Cl ions and growth units in the solution results the formation of ZnO materials with different morphologies.
Zhao, Effective light trapping enhanced near-UV/blue light absorption in inverted polymer solar cells via sol-gel textured Al-doped ZnO buffer layer, Solar Energy Materials and Solar Cells. 121 (2014) 28-34
Zhao, Room temperature fabrication of highly textured hydrogen and tungsten co-doped ZnO film for solar cell applications, Solar Energy Materials and Solar Cells. 121 (2014) 49-52

Vacuum Carburization of Nanometer Tungsten Powder with Carbon Black Luo Ji 1, a , Lin Tao 1,b , Zhi-meng Guo 1,c , Chengchang Jia 1,d 1 School of Materials Science and Engineering, University of Science and Technology Beijing.
At the University of Science and Technology Beijing, Zhang Liying [3,4,5] prepared nanometer tungsten trioxide powders by ultra-sonic spray technology, a commercial scale process.
References [1] Yao Zhengui: Metal Powder Report. vol. 53(1998), p. 26 [2] Liu Yongfu, Cheng yue: Materials Science and Engineering of Powder Metallargy.
[4] Zhang Liying, Wu Chengyi and Wang Zhiyong: Acta Metallurgica Sinica, vol.35(1999), p.152 [5] Lu Guangfeng, Hao Junjie and Guo Zhimeng: Journal of University of Science and Technology Beijing. vol. 12(2005), p. 360 [6] Zhang Liying, Wu Chengyi and Luo Ji, China Patent CN200410009695.6. (2004) [7] Li Jigang, Wu Xijun and Tan Hongbo: Rare Metal Materials and Engineering.