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Based on the theory of PLM, elements of products include function, shape, color, materials, engineering, processing, ergonomic and semantic etc.al.
Journal of Computing and Information Science in Engineering, 11(1) (2011), p. 1–6 [4] Patil L., Dutta D., and Sriram R.: Ontology-based exchange of product data semantics.
Automation Science and Engineering, IEEE Transactions on. 2(3) (2005), p. 213–225 [5] Grieves M.: Product Lifecycle Management: Driving the Next Generation of Lean Thinking.
Journal of Shanghai Jiaotong University. (05) (1998), p. 78–81

Acknowledgments The authors are grateful for Graduate Innovation Fund of Shanghai University, Shanghai Science and Technology Commission Key Project (No.075505105), Shanghai Leading Academic Discipline (No.Y0102), Innovative Team Project of Shanghai Education Commission, and Innovation Program of Shanghai Municipal Education Commission.
International Journal of Robotics Research, Vol.21 (10-11) (2002), p.903-915 [2] Y.
Fang: Modular Structure and Topology Relationship in Self-reconfigurable Robots, Progress in Natural Science, Vol.16 (2006), p.71-76 [3] M.
Muazu: An Experimental Autonomous Path Tracking Mobile Robot, Advanced Materials Research, Vol.62-64, (2009), p.181-186 [4] Y.
Zhao: Self-reconfigurable Modular Robot and Its Motion Design, Journal of Jilin University, Vol.37(4) (2007), p. 925-929 [5] R.

Journal of Vacuum Science and Technology B 26 (2008) 1504
Journal of the Electrochemical Society 159 (2012) R46
La Via et al., Materials Science Forum Vols. 527-529 (2006) 163

Manufacturers reserve safety stock of raw materials declined.
Acknowledgements This research is partly supported by Science and Technology Project of Guangdong Province, smart logistics park public technology service platform innovation of Changping Town(2010A080408011), Modern Information Service Special Funds Competitive Distribution Project in Dongguan City 2010: Research and Application in the Internet of Things Key Technology Facing the Toy Industry Upgrading and Hubei Natural Science Foundation(20101j0156).
Luo: submitted to Journal of Machinery, Vol. 03 (2010), p. 34-36 [5] L.
Giacomo: submitted to Journal of Computer Networks (2010) [6] International Telecommunication Union, Internet Reports2005: The Internet of things.

Moreover, some researchers treated the viscoelastic material (VEM), which was called free damping layer, on the host shell to improve the acoustic performance of these immersed structures [3].
Nevertheless, because the dissipation energy is dependent on the tension-compression deformation of the free damping layer, the damping capacity of the material was poor.
Acknowledgements This work is supported by the National Science Foundation for Distinguished Young Scholars of China No. 51105083, National Natural Science Foundation of China through Grant No. 11162001, the Research Project of Education Department of Guangxi Province through Grant (No.200911MS120), the Bachelor and Doctor Foundation of Guangxi University of Technology.
Journal of Vibration and Shocks,2009,28(9):149-154(in Chinese) [2].
Journal of Vibration and Control, 2001, 7:565-602

Kalogirou (2004), Solar Thermal Collectors and Applications, Progress in Energy and Combustion Science, 30, 231- 295
Ani (2012), Double-effect Solar Absorption Thermal Energy Storage, Jurnal Mekanikal, An International Journal, Dec, 35, pp 38 - 53
Jamil Ahmad (2012), Estimation of Global Solar Radiation using Clear Sky Radiation in Yemen, Journal of Engineering Science and Technology Review, 5, (2), 12-19
Muhammad R.A. and Ani F.N., 2014, Evaluation of the Prospects of using Solar Thermal Air-Conditioning Systems in Saudi Arabia, Applied Mechanics and Materials, Vol 554, pp 271-275, Trans Tech Publications, Switzerland

Exploration on the Relationships Based on the Offset Overprint Trapping between the Optical Density and Color Ink Film Thickness Yang Yong Gang1,2,a, An Wen1,b 1Beijing Institute of Graphic Communication, Beijing, China 2School of Science, Beijing Jiaotong University, Beijing, China ayangyonggang@bigc.edu.cn, banwen@bigc.edu.cn Keywords: printing optical density; ink film thickness; offset overprint trapping; ink absorbency Abstract: The research finds out some existing certain regularity, and further revises the formula D=D∞(1-e-ml).
(2) (3) The overprint density is the interaction result of actual magenta ink film thickness (Lm) and the cyan ink film thickness equivalent to magenta ink (Ld) [6,7,8,9], thus it can lead to the Eq. 4 (4) Experimental materials and instruments Two brands matt art paper with separately 128 g/m2, 157 g/m2 in basis weight, marked as sample 1#，2# ; Three brands offset paper with separately 60 g/m2, 100 g/m2in basis weight, marked as sample 3#，4#; Offset glossy and quick-drying ink of TGS brand (e.g. yellow, cyan and magenta ink); AIC 2-5T 2000 IGT printability tester, X-Rite 528 spectrophotometer.
(In Chinese) [7] Eriksen, Gregersen W: Nordic Pulp and Paper Research Journal, 2007, 22(3): 364-370
[8] Chinga G，Eilertsen M: Journal of Pulp and Paper Science, 2007, 33 (3): 125-132

Pressure Control Technology of DDVC Gas Regulating System for Butterfly Valve Zhi Wanga, Xiangtao Ranb , Chengjie Luc, Li Yangd, Chengxiang Wange Shandong Provincial Key Laboratory of Ocean Environment Monitoring Technology, Institute of Oceanographic Instrumentation, Shandong Academy of Sciences, Qingdao 266001, China asduwangzhi@163.com, bRanxiangtao2007@126.com, cLchj2003@163.com, dqdylsd@163.com, exuechengxiang666@163.com Keywords: Butterfly valve, Fuzzy PID, Dynamic characteristics, Simulation Abstract.
Chemical Industry Press, China, 2005 [2] WANG Yong, XIE Yu-dong : Journal of Shan Dong University (Engineering Science), Vol.39 (2009), p.70 [3] GAO Lihuan, CHU Jinli, ZHOU Gang :Journal of Lan Zhou University of Technology, Vol.31(2005), p.55 [4] GUO Jianyu: Modeling and simulation research of Valve-less electro-hydraulic Servo System (China 2005)
Zhang: Key Engineering Materials, Vol. 238-239(2003), p.375 [9] WANG Hongjie, WANG Fusheng, and WANG Lizhi: Machine Tool & Hydraulics, Vol.35 (2007), p.108 [10] ZHAI Xusheng, XIE Shousheng, YANG Wei: Chinese Hydraulics & Pneumatics, Vol.2 (2008), p.21 [11] XIONG Jun: Study on Pressure Control Technology of Electro-hydraulic Control Valve in Mixed Gas Pipeline Transportation (China 2010).

High temperature put forward higher request for thermal stability of hypersonic vehicle material and carrying capacity of structure.
Structural material is stainless steel, density ρ=8030kg/m3, specific heat c=502.48 J/(kg•K), thermal conductivity λ=16.27W/(m•K).
Acknowledgements This work was financially supported by Major Program of National Natural Science Foundation of China (90916018) References [1] Qin Wenjie, Hu Chunguang, et al.
Journal of Projectiles, Rockets, Missiles and Guidance. 2011, 31(5),152-154(in chinese) [9] Noboru Motoyama, Ken Mihara, Ryo Miyajima, et al.
AIAA Journal. 32(8), 1598 - 1605, 1994

Popular materials used in recent years include various poly (l-lactic) biomaterials and collagen.
However, these materials have exhibited poor mechanical strengths and short degradation periods, both of which are disadvantageous as properties for scaffold materials in the development of tissue engineered tendon/ligament [4].
Materials and Methods Scaffold Fabrication.
American Journal of Knee Surgery 4 (1991), p. 3-8 [2] Cato T.
Freeman: Ligament Tissue Engineering: An Evolutionary Material Science Approach.