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Influence of Extrusion ratio on Forming of Thick-walled tube Jian Zhang1,2,a, Jianhua Song1,b, Xiaolan Wang1,c Xueqin Jin1, Zhihua Wang1,3 1 School of Materials Science & Engineering, Tianjin University of Technology, Tianjin 300384, China 2 Key Laboratory of Display Materials & Photoelectric Devices (Tianjin University of Technology), Ministry of Education, Tianjin 300384, China 3Tianjin Key Lab for Photoelectric Materials & Devices, Tianjin 300384, China azhang_jian_99999@126.com,bsongjianhua20054500@126.com, cxiaolanjx@163.com Keyword: large diameter thick-walled pipe extrusion ratio simulation Abstract: Employed DEFORM software to simulate vertical extrusion of large diameter thick-walled pipe, by using the Finite Element Method in the three-dimensional modeling software Pro/E of the CAD platform.
Acknowledgements This work was supported by Ministry of Industry and Information Technology of the People’s Republic of China support project under Grant No.2009ZX04014-063-03 and Tianjin Key Subject for Materials Physics and Chemistry.
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Materials acrylic acid, NaOH, NH3·H2O（22%~25%）, potassium persulfate, Al(OH)3, HCl（36%），distilled water 1.2.
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Materials and Methods Preparation and Characterization of burned rice husk.
It is worth to note that some of the materials can be used as adsorbents such as coir pith, bagasse and corn hull.
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Introduction Nanometer technique and material are the research hot spot in 21st century, and is applying in various fields.[1] Nanometer antibacterial is the most potential in the textile processing and application.[2-4] But it is lack of system research on nano- antimicrobials’ antimicrobial characteristics in textile.
Test materials and equipments Materials and reagent Nano-titanium dioxide compound antibacterial (Hereinafter referred to as sample 1) Thulium compound nanometer antibacterial (Hereinafter referred to as sample 2) Staphylococcus aureus (ATCC 6538) Colon bacillus (ATCC 8099) Candida albicans (ATCC 10231) Test method[5,6] (1) Qualitative test of antibacterial properties——bacteria-inhibiting ring method Concentration of antibacterial 5%, concentration of bacterial liquid 1.8×106 /ml, drop 20ul antibacterial on 4 pieces of paper
(3)The examination of bacteria’s shape——TEM First, dilute the nano-material to 5%, put it in the test tube, and act with colon bacillus for 18h, whose concentration is 5 hundred million/ml, then fixed the bacterial precipitate with fixer, observe the change of bacteria’s shape with SEM and TEM.
Journal o f Liaodong University (Natural Science).2008.6(2):61-6 [3] Ji-xian Yin, Yong-qiang L i, Yun-ge Wen .Nanotechnology and modern textiles(in Chinese).
SHANG HAI TEXTILE SCIENCE & TECHNOLOGY.2007.1(1):8-9 [4]Ying-hua Chen , Cheng-jie Shang .Application of Antibiotic Finish on Textiles with Nanotechnology(in Chinese).Shandong Textile Science & Technology.2008(1):20-22 [5]Ai-hong Lin, Yan-min Qin, Jian Rao, et al.

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Combination of experiment and analog computation for developing TiO2 photocatalysis and even the application of other materials will be developed further.
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Similarly the work piece material plays an important role in metal cutting process.
And the experiments are conducted in CNC vertical machining centre and L18 orthogonal array was chosen for the material.
Work piece Material High brass contains 65% copper and 35% zinc, has a high tensile strength and is used for springs, screws, and rivets.
China 22(2012) 1286-1297 Received 17 October 2011; accepted 26 December (2011) [2] B.Siddha Reddy, J.Suresh Kumar andK.VijayaKumarReddy: Optimization of surface roughness in CNC end milling using response surface methodology and genetic algorithm, International Journal of Engineering,Science and Technology Vol.3, No. 8,(2011), pp102-109
Rao :Study on surface roughness minimization in turning of dracs using surface roughness methodology and taugchi under pressured steam jet approach arpn, Journal of Engineering and Appplied Sciences VOL. 3, NO. 1, february (2008) ISSN 1819-6608

Both of those have nothing to do with different material attributes.
Table 2 The comparisons between the analytical solution and the simple method L/a Materials First bending modal frequency[Hz] Second bending modal frequency[Hz] Third bending modal frequency[Hz] In air A.S.
Both of those have nothing to do with different material attributes.
Journal of Sound and Vibration.
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Compared with the control, the extract fluid of materials culturing the NIH-3T3 cells was not apparently different.
The basic characteristic for tissue engineering materials is cell compatibility.
Development on biomedical polymer materials of blood compatibility.
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