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A new type of foam fractionation column with spiral internal had been designed for enhancing the foam drainage and thus for the removal of minute hazardous materials.
The material balance of both the top and bottom of the tower are calculated separately [6]
By reorganizing, the following one can be obtained: (7) Likewise, take the boundary condition y=0,C=Cw;y=h for the bottom and get: (8) In this experiment, the height of the tower is 100cm, the height of the raw material liquid remains 40mm with the mixture of raw material liquid and SDS added into the tower.
When the charge-in height hf is 50cm, the mathematics model of the Chromium density whole tower is: (h>50cm) (10) (h<50cm) (11) Acknowledgements This work was financially supported by the Natural Science Foundation of Department of education of Anhui Province, China.
[6] Huang Songan.A Mathematical Model for Continuous Steady-State Treatment of Cadmium Containing Wastewater in Foam Column [J].Journal of East China University of Science and Technology., 2011,19(4):399−402.

Modal Analysis for a New Double-Side Blade Grinding Machine Lei Zhang1,a, Heran Yang1,b, Zuojie Zhang1 and Tongzhan Li1 1College of Mechanical Science and Engineering, Jilin University, Changchun, China aprofzhanglei@yahoo.com.cn (corresponding author),byangheran1983@yahoo.com.cn Keywords: blade; grinding machine; modal analysis Abstract.
Acknowledgment The research work is sponsored by Key Project of Science and Technology Development Plan of Jilin Province (20080347, 20090334).
Zhang and Kuhlenkötter, A local process model for simulation of robotic belt grinding, International Journal of Machine Tools & Manufacture. 47 (2007)962–970 [2] H.Huang, Z.M.Gong, X.Q.Chen, L.Zhou, Robotic grinding and polishing for turbine-vane overhaul, Journal of Materials Processing Technology. 127 (2002) 140–145 [3] X.
Müller, Simulation and verification of belt grinding with industrial robots, International Journal of Machine Tools & Manufacture . 46 (2006) 708–716 [4] Yanyan Cao, Dengfeng Zhao, Finite element modal analysis theory and Application(In Chinese),Mechanical Engineering & Automation. 140(2007) 73-74 [5] Hao Yang, Ping Qin, Bolin Li, Youde Wu, Jianfa Lu, Modal analysis of floor type boring and milling machine tool based on ANSYS(In Chinese),MACH INE TOOL & HYDRAULICS. 38(2010) 91-93

Realization of Al/Mg-Hybrid-Joints by Ultrasound Supported Friction Stir Welding - Mechanical Properties, Microstructure and Corrosion Behavior Benjamin Strass1, Guntram Wagner1, Christian Conrad2, Bernd Wolter2, Sigrid Benfer3 and Wolfram Fuerbeth3 1Institute of Materials Science and Engineering (WKK), University of Kaiserslautern; P.O.
This often leads to joint strengths considerable below the tensile strength of the base materials.
Hence, in a first step the Institute of Materials Science and Engineering has investigated the applicability of friction stir welding for joints between the die cast magnesium alloy AZ91 and the rolled aluminum alloy AA5454.
The curves measured on the two alloys near the butt weld are close to that of the pure materials.
Advanced Engineering Materials 12, 2010 [8] Kainer K.

Acknowledgements We hereby acknowledged the numerous support of Mr Alo (Department of Material Science and Engineering, Obafemi Awolowo University Ife, Ife, Nigeria) during materials testing.
The Influence of Informal Sector, Journal of Sustainable Development, 3(4) (2010) 268-276
[16] Nigerian Standard, Nst 65-Mn: Raw Materials and Specifications for Federal Government Steel Companies, 1st Edition, (1994)
Olatunde, Challenges of Producing Quality Construction Steel Bars in West Africa: Case Study of Nigeria Steel Industry, Journal of Mineral & Materials Characterization & Engineering 8 (2009) 283-292
Adom-Asamoah, Strength and Ductility Characteristics of Reinforcing Steel Bars Milled from Scrap Metals, Material and Design Journal, 23 (2002) 537-545

Monteiro: Materials Sci.
Monteiro: Materials Science Forum Vols. 798-799 (2014), p. 548
Alexandre: Materials Science Forum Vols. 727-728 (2012), p. 809
Vieira: Materials Science Forum Vols. 727-728 (2012), p. 1057
Monteiro: Materials Science Forum Vols. 775-776 (2014), p. 69

Study on the safeguard measures of civil engineering "outstanding engineers" training for new colleges and universities Zhao Baoyun, Huang Linqing School of Civil Engineering and Architecture; Chongqing University of Science & Technology Chongqing，Chongqing 401331，China email: baoyun666@163.com Keywords: outstanding engineers; safeguard measures; training plan Abstract.
In his paper, we aimed to solve the problems of safeguard measures of outstanding engineers training for the new type of higher education colleges, take the safeguards measures case of civil engineering "outstanding engineers" training program declare in Chongqing University of Science and Technology Chongqing as an example, the safeguard measures of "outstanding engineers" training was systematic researched.
The school is well equipped with materials laboratory, rock mechanics laboratory, geotechnical laboratory, construction laboratory, engineering surveying Laboratory and other laboratories and a computing center.
And civil engineering as a school level of outstanding for professional engineers, distinguished engineer training professional training funds 300000 yuan every year, at the same time, school of civil engineering and architecture self-financing investment 200000 yuan each year, as the outstanding plan implemented reform and construction costs, ensure that the civil engineering outstanding engineer training have sufficient funds Acknowledgment This work was funded by Education teaching reform Research Foundation of Chongqing University of Science & Technology (CK2011B28, CK2011B30).
Tsinghua journal of education, 2012,32(2):47-55.

Experimental The testing material selected was widely used alloy steel 40Cr.
Acknowledgements This work was supported by a grant from the Major State Basic Research Development Program of China (973 Program) (No. 2009CB724403) and the National Natural Science Foundation of China (No.50675121).
Zhang: Journal of materials science, Vol. 37 (2002), pp. 3935-3943
Zhang: Journal of materials science.
Liu: Key Engineering Materials, Vol. 304-305 (2005), pp. 588-592

School of Mechatronics Engineering, North China University of Water Conservancy and Electric Power, Zhengzhou 450011 2.School of Mechatronics Engineering, Zhengzhou Institute of Aeronautical Industry Management, Zhengzhou 450015 3.School of Material Science and Engineering, Henan University of Science and Technology, Luoyang 471003 4.State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074 Key words: Dynamic explicit, Cold ring rolling, Artificial damping, Artificial stiffness, Hourglass control Abstract.
Cold ring rolling is complex process including material nonlinearity and geometrical nonlinearity.
The hourglass resistance calculation method is: (i=1,2,3) (7) Here, , is the hourglass resistance; , is the unit volume, is the material velocity.
Lian: JOURNAL OF PLASTICITY ENGINEERING, Vol.1, 1994(2), pp.24-30(In Chinese) [2] Z.
Wang: Journal of Plasticity Engineering, Vo1.11, 2004(1), pp.68-70(In Chinese) [3] H Yang,L G Guo and M Zhan,etc: J.of Materials Processing Technology.

In this model, the workpiece material is stainless steel 17Cr5Ni5MoTi and tool material is tungsten carbide.
The FEM software DEFORM 2D has a material library including most material models currently known.
Acknowledgements The author wishes to acknowledge with financial support of this research by National Natural Science Foundation of China under contract no. 51205177, Natural Science Foundation of Jiangsu Province under contract no.
Ekered: Journal of Materials Processing Technology Vol. 200 (2008), p. 339 [5] M.
Kamo: Chinese Journal of Mechanical Engineering Vol. 35 (1999), p. 93 [8] S.M.

Namba, Journal of the Electrochemical Society 146 (1999) 457
Lee, Advanced Functional Materials 18 (2008) 3026
Gösele, Advanced Materials 23 (2011) 285
Li, Current Opinion in Solid State and Materials Science 16 (2012) 71
Wang, Journal of Materials Science 48 (2013) 1755.