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Preface The Brazilian Conference on Materials Science and Engineering (CBECIMAT) is the most traditional national meeting of the Materials Science and Engineering community occurring since 1974.
From the papers presented at the Conference, 400 were submitted to publication in Materials Science Forum, 315 submitted to Materials Research and 1200 as full paper in the annals of the congress.
Keywords: Network Theory, Engineering, Materials Science, CBECiMat.
Material and Methods The database used corresponded to the annals of the 19th Brazilian Congress of Materials Engineering and Science - CBECiMat, carried out in 2010.
The semantic network based on keywords of Fig. 1a (Polymeric Materials), shows the behavior presented by networks of other areas: Ceramic Materials, Composite Materials and Metallic Materials.

Research for bridge optimal seismic retrofitting strategies Peng He 1,a, Shenglin Ge1,2,b and Mingang Zhai1,2,c 1 CCCC Civil Engineering Science&Technology Co.
Superstructure is modeled through lumped mass of 500t.Material is C30.
(2) Engineering cost in seismic retrofit usually consists of labor cost, material (equipment) cost, and transportation expenses of material.
References [1] Z.Yun: Retrofitting technology and design method of energy dissipation(Science Press,China 2006)
[5] W.H.Chang,Z.J.Quan:Journal of highway and transportation research and development Vol.22(2005),p.62

Ring material for GCr15, while the samples quenched and tempered with the hardness is HRc62-66.
DING., Journal of Shanghai Jiaotong University, vol. 39(2005), p.206 [3]M.
Transaction of Materials and Heat Treatment, vol. 28(2007), p.243 [6]Ming-Der Ger, Bing Joe Hwang., Materials Chemistry and Physics, vol. 76(2002), p. 38 [7] D.
Corrosion Science and Protection Technology, vol. 20(2008), p.140 [8] L.
LIU., Materials Science and Technology, vol. 15(2007), p.276 [9]A.

Here it includes: Rational functional zoning, obstacle-free indoor design, and safe, environmental, energy-saving use of building materials.
The selection of building materials will affect the effects of noise separation and heat preservation.
So we have to pay a great attention to the selection of the decorated materials.
Housing Science, 2009, 29(6)
Architectural Journal, 2011(2)

Progress in Materials Science2005, 50(5): 511-678
Bio-medical materials and engineering 1996,6(4): 267-289
Recent development and prospect of electromagnetic processing of materials.
Science and Technology of Advanced Materials 2000,1(4): 191-200
Materials Letters 2009,63(2): 269-271

Polyacrylamide(PAM) of different cationic(15%,35%,45%,60%), molecular weight (8 million, 10million, 12million) and dosage (2‰,3‰,4‰,5‰,6‰)are under testing in the experiment considering the index of capillary suction time(CST).Experimental material is the sludge from digestion tank in one of Beijing sewage plants.
Experimental Materials and Methods Experimental materials.
Acknowledgment This research is from a project named as preliminary study of lipid profiles and characteristics in activated sludge (51308538), which is supported by the National Natural Science Foundation of China.
Chinese Journal of Environmental Engineering, 2009, 3(6): 1099-1102
Chinese Journal of Environmental Engineering. 2014, 8(2): 697-702

The information which can reflect the characteristic of parts includes: geometry characteristics, material characteristics, processing-property characteristics, functional characteristics [6].
For sequence planning purposes, the geometry characteristics and functional characteristics are more important while the materials and process-property characteristics are not so critical.
References [1] Kai-jun Zhou, Dong-bo Li, Xi Huang, in: JOURNAL OF MACHINE DESIGN, 2006, 23(2):29-32; [2] Ping-jun Xia, Ying-xue Yao, Jiang-sheng Liu, in: JOURNAL OF MECHANICAL ENGINEERING, 2007,43(4):44-51; [3] Pei-lin Yang, Jun Zhu, Xiao-nan Chen, in: JOURNAL OF XI AN JIAOTONG UNIVERSITY, 1999, 33(12):40-43; [4] SwA MINATHAN A: IEEE.
Transactions on Robotics and Automation, 1996, 12(2):252-267; [5] Bing-ru Yang, in: Knowledge Discovery Theory Based on Inner Cognitive Mechanism, edited by National Defence Industry Press, Bei Jing. 2009 [6] Tao Peng, Shi-qi Li, Chong-hui Zhang, et al, in: Computer Integrated Manufacturing Systems, 2009,15(9):1816-1822; [7] Song-qiao Tao, Zheng-dong Huang, in:Journal of Computer-Aided Design＆Computer Graphics, 2011,23(2):290-297; [8] Kruse Rudolf, Borgelt Christian.
International Journal of Approximate Reasoning, 2003,32:63-65; [9] Hong-fei Zhao, Qi Zhang, Fan-tun Su,et al, in: JOURNAL OF PLA UNIVERSITY OF SCIENCE AND TECHNOLOGY, 2012,13(6):658-663; [10] Lei ZHAO, Yuan LI, Jian-feng YU, in: JOURNAL 0F MECHANICAL ENGINEERING, 2011, 47(5):150-155; [11] Pei-lin Peng, Guang Chen, Yuan Li, in: China Mechanical Engineering, 2004, 15(23): 2121-2125．

Agricultural Machinery, University of Agricultural Sciences Iasi, Sadoveanu 3, 700490, Romania arrosca@uaiasi.ro, bpcarlescu@yahoo.com, citenu@uaiasi.ro Keywords: tire traction, wheel slip, traction model, shear area, goodness-of-fit.
Materials and methods In order to evaluate the shape factor D experimental tests were carried out.
Komandi, Reevaluation of the adhesive relationship between the tire and the soil, Journal of Terramechanics 30 (2) (1993) 77-83
Maclaurin, Comparing the NRMM (VCI), MMP and VLCI traction models, Journal of Terramechanics 44 (2007) 43-51
Jubbal, Traction prediction equations for radial ply tires, Journal of Terramechanics 26 (2) (1989) 149-175

Xiang1) 1) Department of Materials Science and Engineering, Jiangsu University of science and technology, jiangsu 212003, China 2) Shanghai Institute of Applied Physics of Chinese Academy of Sciences, Shanghai 201800, China Tel: +86 159 5280 1879; fax: +86 511 844 073 81.
Acknowledgments The authors would like to thank the financial support by National Natural Science Foundation of China (Grant No. 51101075) and the Priority Academic Program Development of Jiangsu Higher Education Institutions.
Zemka: Metal Science and Heat Treatment Vol. 9 (1990) , p. 711 [5] W.J.
Carsí: Journal of Materials Science Vol. 7 (1995), p. 1750 [7] J.

Before being relocated, companies gathered and talents, raw materials and production equipments centralized.
Environment and Science in Guang Zhou, 2009
Natural Materials Journal, 2002, 17(2):203-208
Environmental Science & Technology, 2009:190-194
Environmental and Science of China, 2002, 22(16):525-529.