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Introduction MRF is a new type of smart fluid material with a good development prospects and valued in engineering, It is a stable suspension liquid formed by easily magnetized particles (micro-nanoscale) dispersion in the basic carrier liquid[1].
The rheological properties of magnetorheological fluid can changed rapidly in milliseconds with the role of an external magnetic field, the free flow liquid will change into the solid-like material through increasing the external magnetic field.
Magnetism and Magnetic Materials,1993,122(1-3):395-398
[J] journal of Wuhan university of science and technology,2005(3)27-29 [5] ..ZHANGsihai et al..Reseach the flow control of magnetorheological valve of pulse modulation (PWM) control [J].
Researching digital variable pump based on the high speed switch valve.[ Master's degree thesis].Kunming, Kungming university of science and technology.2011

A study on the inner surface pressure distribution of fluid in ninety degree elbow pipe Xiaoyang Lu1,a,Hongliang Zhu2,b,Xiaoli Lu3,c,Jinming Liu4,d, Yong Zhou2 , Xinguang Li2 1Institute of Engineering Mechanics, ShanDong JianZhu University,Jinan 250101,China 2Institute of Materials Science and Engineering, ShanDong JianZhu University, Jinan 250101,China 3College of Electrical Information Engineering,Zhengzhou University of Light Industry,450002,China 4College of Information Technology,Jilin Technology College of Electronic Informatrion, Jilin 132021,China aluxy5504@163.com, bzhuhongliang511@163.com, c lxl@zzuli.edu.cn, d ljm8501@163.com Key words: internal pressure on elbow pipe; simulation by FLUENT software; pressure formula Abstract.
Acknowledgements This project was financially supported by the National Science Foundation of China (11272188) and the Natural Science Foundation of Shandong Province (ZR2010AM016).
Advanced Materials Research.
Chinese Journal of Ship Research, Vol. 3(2008) pp 37-47

Study on Continuous Annealing Process for Ultrathin Cold-rolled SPCC Steel Wuyan Fana, Renbo Songb, Ruwen Zhengc, Peisheng Yao School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China acrosspfan@163.com, bsongrb@mater.ustb.edu.cn, crobin15201455725@163.com Keywords: SPCC, Continuous annealing, R-value, Second-phase precipitations, Texture.
Li and He have reported the influence of holding time and annealing temperature on material properties[2].
[2] Xiulian Li, Liang He, Shang Sun, Technology Optimization and Performance Analysis of Annealing Process for SPCC Cold Rolled Sheet, Material & Heat Treatment. 39 (2012) 171-176
[7] Hengsan Liu, Weimin Mao, Leng Chen, Huiping Feng, Influence of annealing process on grain size inhomogeneity in deep drawing steel sheets, Journal of University of Science and Technology Beijing. 4 (2004) 377-381

Acknowledgements These researches are supported by Scientific and Technological Personnel Action Projects Served for Enterprises (2009GJB00025), Program for science and technology research of Liaoning Province (2009220025), Liaoning Provincial Department of Education projects (LT2010087, LS2010129)，Funds for Provincial Key Laboratory of Shenyang Jianzhu University (JX-200902), Program for Housing and Urban-Rural Construction (2010-K6-11), 2010 science and technology projects of Liaoning province (2010220040).
Journal of Shenyang Jianzhu University(Natural Science).
Advanced Materials Research Vol. 102-104 (2010), p. 223-226 [10] H.
Advanced Materials Research Vol. 102-104 (2010), p. 219-222 [11] L.Y.

NP2012201), Basic research research fund of Jiangsu Province Natural Science Fund Project (BK2008197), Key Laboratory for Advanced Technology in Environmental Protection of Jiangsu Province(AE201120), Key Laboratory for Ecological-Environment Materials of Jiangsu Province(EML2012013) and International Science and Technology Cooperation Appointed Special Projects.
Smart Materials and Structures, Vol. 14,934-940 ( 2005) [4] Shi Yunlai,Li Yubao, Zhao Chunsheng.
Journal of Jili University:Science Edition,Vol.40,109 -113(2002) [6] Zhao Hongwei．Basic theory and experimental study on inchworm-type piezoelectric actutor[D].Jilin：Jilin University(2006) [7] Wen Jianming．Study on planar inertia piezoelectric moving mechanism[D]．Jilin：Jilin University(2009)

Majorization of technical treating circle bamboo with ACQ-B Jian Hana , Dan Luob College of Material Science and Technology,Central South University of Forestry and Technology, Changsha 410004, Hunan, China a hanjianwm@163.com, b ldsicau@163.com Keywords: preservative; circle bamboo; technical condition; optimizing Abstract.
Material and methods Material.
Material and Organismen,1995, 29:4,241-253 [3] Wu Kai-yun, Weng Yue-xia.
Wood and Fiber Science,1992,24(2):113-117
Journal of Zhejiang Forestry College 1985,2(2):53-56.

Introduction Crack technology is a new technique that is to achieving active fracture of solid materials by using crack or defect [1].
Acknowledgments This study was supported by grants from Gansu Province Fund(No.1112RJZA004) and Dr Lanzhou University of Science and Technology Fund.
Ph.D. dissertation, Indian Institute of Science, India, 1996
Key Engineering Materials.
International Journal of Modern Physics B.Vol.23 (2009), p.1191 [5] S.Haykin, Neural networks (Macmillan College Publishing Company, New York, 1994)

Introduction With the development of science and technology, the sealing machine for bagged food has gone in the leading edge of the times.
Bags of different materials need different temperature, moreover the bags are thin or thick, the temperature of sealing will be different.
In the computer-aided design, the 3DMax software mainly used for scene lighting, material editing and rendering.
Beijing: Science Press, 2006(7): 34-41
Journal of Applied Polymer Science, Vol. 97, 753–760 (2005) [6] Hao Yuan, Xuesong Luo, Julong Wu.

Our current textbook without exception by 1869 by Academician of the Russian Academy of Sciences Grübler-Kutzbach degree of freedom of a planar mechanism calculation formula of Chebyshev's proposed.
Based on this Mars Ki of the Soviet Academy of science academician in 1943 proposed fractional calculation of degree of freedom of the space mechanism. 1.2 Do not apply to all moving pair of planar mechanism.
Figure. 3 Compound hinges Figure. 4 Passive degree of freedom 2 Grübler-Kutzbach's formula application note Grübler-Kutzbach's formula of natural defects and shortcomings, but today, in a variety of materials, our design manual, formula still as the main formula in use, its calculation in many cases is correct, in the calculation of degree of freedom of organization in addition to clear its using conditions, and some should pay attention to the matters should be handled correctly, otherwise it can not get the right result. 2.1 Compound hinges.
In the existing various teaching materials and reference books, are emphatically introduced the analysis judgment compound hinges, local degrees of freedom and virtual constraint, no effect analysis of component number and the degrees of freedom on the degrees of freedom.
[3] Ouyang Fu,Cai Hanzho ng,Liao Ming jun: China Mechanical Engineering,Vol21(2010),p. 2942 [4] GUO Weidong, YU Jingjun: Journal of Mechanical Engineering.Vol.49(2013), p. 125

Leonard2,e , Ouloide Goue1,f , Balaji Raghothamachar1,g and Michael Dudley1,h 1Department of Materials Science & Engineering, Stony Brook University, Stony Brook, NY 11794 USA 2Cree Inc., 4600 Silicon Drive, Durham, NC 27703 USA ajqguo123@gmail.com, byu.yang@stonybrook.edu, cwfz1125@gmail.com, dJoe_Sumakeris@cree.com, eRobert_Leonard@cree.com, fouloide.goue@stonybrook.edu, gbalaji.raghothamachar@stonybrook.edu, hmichael.dudley@stonybrook.edu Keywords: silicon carbide, physical vapor transport, bulk growth, x-ray topography, threading dislocations, ray tracing simulation Abstract.
Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract No.
Dudley: submitted to Journal of Electronic Materials (2015).