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Introduction The raw material blending exists popularly in process industries, which is a key process to guarantee product quality by mixing various raw materials with an appropriate proportioning.
However, there exists serious conflict between these index parameters due to a wide range of raw materials in metallurgical blending processes.
And the change of a kind of raw material often affect multiple index parameters so that it is difficulty to obtain the optimal proportioning for all kinds of raw materials to make all indices meet their requirements.
Woo: submitted to Journal of Process Control(2000) [2] J.
Lei: submitted to Journal of Chongqing University: Natural Science Edition(2002) [3] W.

According to uncertainty of the design parameters for large span truss of installing wave-maker, in order to avoid the waste of materials,the truss is analyzed based on the finite element analysis software ANSYS to find out its weaknesses and various parts of the deformation.
It follows that the experience design of the truss is conservative, big and bulky and increases unnecessary weight and wastes the materials of rectangular steel pipes.
References [1] Furan Zhang:On the determination of Design parameters of Multidirectional Wave Generator, Journal of Waterway and Harbor，pp.2–7, September 1997,in Chinese
[4] Lingzhi Liu, Zhiyong Huang：Analysis on Intensity and Stiffness of Frame Based on ANSYS,Journal of Suzhou University,vol.23(3), pp.93–95, June 2008,in Chinese
[5] Zaigen Mu, Xiaowu Hou, Pinghua Ning and Jianru Wu:Optimum design of lattice grid structures based on discrete variables in the environment of ANSYS,Journal of University of Science and Technology Beijing,Vol.28 (5),pp.418-421, May 2006.

Biosynthesis of PHB, a New Packaging Material by Methane-Utilizing Mixed Culture HD6T DONG Jing1,2,a, XIN Jiaying 2,3,b 1 College of Light Industry, Harbin University of Commerce, China 2Key Laboratory for Food Science and Engineering, Harbin University of Commerce, China 3State Key Laboratory for Oxo Synthesis&Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, China adongjing0320@163.com,bXinjiaying@yahoo.com.cn, Keywords: Methane-utilizing mixed culture; Methane; Poly-β-hydroxybutyrate Abstract.
It has a broad application in the field of packaging materials [1, 2].
Wendlandt, M.Jechorek, J.Helm, et.al:Journal of Biotechnology.Vol.86(2001),p127
[6] Augustin,J.C., Carlier,V: International Journal of Food Microbiology .Vol.56(2000), p.29 [7] Y.X.Zhang,J.Y.Xin,L.L.Chen,H.Song,Ch.G.Xia:Journal of Natural Gas Chemistry.

Table.1 The material parameter in the creep constitutive at different Material Parameters Values 5.075 2.3938 -0.3157 69250 427 495 Establish the finite element model of stress relaxation forming.
Journal of System Simulation. 2009, 20(21): 6647-6649 [4] Xia Huang, Yuansong Zeng, Shuo Huang.
Journal of Mechanical Working Technology. 1989.20: 477-488 [8] Karafillis A P, Boyce M C.
Tooling design in sheet metal forming using springback calculations, International Journal of Mechanical Sciences,1992,34 (2):113～131 [9] Webb.
Journal of Materials Processing Technology ,2000 ,9:38～48

One of the examples of such materials are sintered nickel-alloys that are employed in the aerospace industry.
Key Engineering Materials 581 (2014) 409-414
Matras, Influence of cutting data on the thin wall deformation in milling of difficult to cut materials, Key Engineering Materials 686 (2016) 86-91
Horvath, On a novel tool life relation for precision cutting tools, Journal of Manufacturing Science and Engineering - Transactions of the Asme 127 2 (2005) 328-332
Key Engineering Materials 496 (2011) 205-210

Friction stir welding (FSW) is one of the new technique for welding materials in solid state welding process.
Introduction Now a days the joining materials has become a important thing in advancement of science and technology, materials having higher hardness property and tensile strength has arisen has present advancement.
“Experimental study on the effect of welding speed and tool pin profiles on AA6082-O aluminium friction stir welded butt joints”, International Journal of Engineering, Science and Technology.
Journal of Materials Engineering and Performance.
The optimization of friction stir welding process parameters to achieve maximum tensile strength in polyethylene sheets” journal of Materials and Design.

Graphene oxide (GO), a widely used graphene derivatives, has been attracted considerable attentions during the past three years for the production of graphene based composite materials[7-9].
Therefore, it is an efficient filler for the enhancement of electrical, mechanical and thermal properties of composite materials.
[6] K.H.Hong and G.Sun: Journal of Applied Polymer Science Vol. 116(2010), p. 2418-2424
[7] Z.Liu, X.Zhou and Y.Qian: Advanced Materials Vol. 22(2010), p. 1963-1966
[10] J.J.Liang, Y.Huang, L.Zhang et al: Advanced Functional Materials Vol. 19(2009), p. 2297-2302

Study on Effect of welding materials and procedures on weldability of aluminum alloys.
Journal of Taiyuan University of Technology, VOL. 34(2003),No. 4, p. 1.
Journal of Chemical Industry & Engineering, VOL. 20(2002),No. 1, p. 2-3.
Joumal of Nanhua University (Science and Technology), VOL. 23(2006), No. 6, p. 1-3.
Materials Science and Engineering, VOL. 323(2002), No.3, p. 160-166.

PMMA is used in its pure state and as elements of composite materials.
Peridynamic micromechanical prediction of nonlocal damage initiation and propagation in DP steels based on real microstructure, International Journal of Mechanical Sciences, 153–154: 64–74 [7] Shank S.
Peridynamic simulation of crack propagation of non-homogeneous brittle rock-like materials.
Journal of Mechanical Engineering and Sciences, 13(4), 5735-5752
Multidiscipline Modelling in Materials and Structures, 11(4), 579-597

Materials Letters, 220, 119-121
Materials Today: Proceedings
Journal of Materials Science: Materials in Electronics, 30(8), 7514-7523
Journal of Materials Science: Materials in Electronics, 30(23), 20654-20664
Journal of Materials Science: Materials in Electronics, 30(23), 20673-20686