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Ma, Friction stir welding and processing, Materials Science and Engineering: R: Reports 50(1–2) (2005) 1-78
Sterling, Microstructure evolution during FSW/FSP of high strength aluminum alloys, Materials Science and Engineering: A 405(1–2) (2005) 277-286
Chen, Effect of the surface preparation techniques on the EBSD analysis of a friction stir welded AA1100-B4C metal matrix composite, Materials Characterization 62(9) (2011) 865-877
Shi, Effect of heat treatment on AlSi10Mg alloy fabricated by selective laser melting: Microstructure evolution, mechanical properties and fracture mechanism, Materials Science and Engineering: A 663 (2016) 116-125
Wei, Effects of nano-Al2O3 particle addition on grain structure evolution and mechanical behaviour of friction-stir-processed Al, Materials Science and Engineering: A 602(0) (2014) 143-149

The porous structure of scaffold materials is closely related to water molecules.
Materials Selection and Scaffold Fabrication for Tissue Engineering in Orthopaedics J. 2007:259-288
Materials Science & Engineering C Materials for Biological Applications, 2015, 56:481–493
Materials Science & Engineering R Reports, 2010, 70(3):225-242
Advanced Functional Materials, 2010, 17(17):3505-3513

Acknowledgements This work is Supported by National Natural Science Foundation of China (Granted No. 10972146), Program for Changjiang Scholars and Innovative Research Team in University (No.
International Journal of Nonlinear Sciences and Numerical Simulation 2005;(6)2:139-144
Journal of Intelligent material systems and structures 2006;(10)1: 3-14

Wavelet Transformation Mold Maximum Value Marginal Check In view of some kind of material quality's rail we carry on the exchange flash welding, and in the heading quantity fixed situation, the factors which affect the weld joint quality are the flash stability and the weld joint temperature field.
Fig. 7 Carrying on each kind of operator to it the marginal check Acknowledgements This work was supported by the National Science Foundation of China(51105344), and partly supported by Foundation for University Key Teacher of Henan Province of China (2011GGJS-137) and the Opening Project of Key Laboratory of Precision Manufacturing technology and engineering Henan Polytechnic University (PMTE201002A).
Li: Journal of Vibration, Measurement & Diagnosis, Vol. 24 (2004) No.1, pp. 121-122
Ge: Journal of He Fei Uni-versity of Technology (Natural Science), Vol. 25 (2002) No. 2, pp.167-172. ( in Chinese)

Boundary element - Laplace transform method, basic formula Set isotropic , homogeneous , linear elastic displacement and stress cracking body R , and flexibility to meet the equations of motion , physical equations and boundary conditions , the entire elastomer displacement at t = 0+ time , speed : (1) Laplacian function is defined as: (2) After the Laplace transform elasticity equations of motion after the physical equations and boundary conditions are (3) (4) (5) ; is Physical density of the Laplace transform of elastomer type.C1, C2 for the P-wave, S-wave velocity and G, is the elastic constant of the material, ρ is the mass density.      
References [1] P.K.Banerjee and R.Buttertield：Boundary Element Methods in Engineering science, McGraw –Hill.
New York , 2000 [2] Jiang Fengchun ,Liu Rui Tong,Liu Kui Hall:Dynamic stress intensity factor response theory analysis,Journal of Vibration Engineering(chian)[J],2000,vol4,p60-64 [3] G.C Sih: Mechanics of Fracture ,1991.p268
[4] Xuejun.Zhao, Dynamiccrack starting Research Progress,[J] Building Science , china,2009,7,p85-88 [5] Youlin.Liu, ,Dynamic response of the beam structure With a Crack, [J] Journal of sunyatsen university,china,2012,10,p52-55

The analytical solution of slope stability is hardly obtained, because of the complex factors restriction, such as geological landform, boundary conditions, material stress, strain of nonlinear, water pressure, the coupling analysis of seismic load.
Acknowledgements Supported by Beijing Higher Education Young Elite Teacher Project (YETP1440), China Natural Science Foundation (41172250),“Twelfth Five-year” National Science and Technology Support Project (2012BAK09B06), The innovative team of Beijing.
Journal of Engineering Geology. (2008), p.278.
(In Chinese) [3]Shiguo Sun,Meifeng Cai, Sijing Wang.Chinese Journal of Geotechnical Engineering, (2000),p.139.

Research on a transmission error-testing system of harmonic drive based on LabVIEW Jiancheng Gao a, Hongbing Xinb, Dengqi Cui c, Long Liu d, Yuefei Xin e, Tan Wang f Material and Mechanical Engineering School, Beijing Technology and Business University, Beijing100048, China agaojch@sina.cn, bxinhb@btbu.edu.cn, ccdq1984@163.com, dLiul1@126.com, email@xinyuefei.com, fwangtan56@yahoo.com.cn Keywords: Harmonic drive;Transmission error;Test system.
Acknowledgements This work was financially supported by the Key Project of the Science and Technology Plan Project of Beijing Municipal Education Commission(Grant Number:KZ201210011012).
Xin: Journal of Beijing Institute of Light Industry, 1999, 17(1):30-35
Xin: Journal of Beijing Technology and Business University (Natural Science Edition), 2002, 20(1)49-53

Their element contents are determined by elemental analysis in order to establish the relationship between the element content and the material properties.
Journal of Southeast University(Natural Science Edition), Vol.40(2010), p. 367 [2] Liu Shutang, Yang Yongshun, Fang Jianguo, Guo Zhongyin.
Journal of Tongji University(Natural Science), Vol.3(2007), p.351 [3] Cao Dongwei.  

Abbas Physics department, Faculty of Science, Alexandria University, 21511 Alexandria, Egypt Physics department, Faculty of Science, Beirut Arab University, Beirut, Lebanon mabbas@physicist.net Keywords: LaBr3(Ce) scintillation detectors; geometrical efficiency; total efficiency; point and disk sources.
In addition, the attenuation of the photons by the detector housing material is also presented in a simple direct mathematical expression.
Abbas, Journal of Physics D: Applied Physics 39 (2006) 3952
Abbas, Applied Radiation and Isotopes Journal, 65 (2007) 225

Conclusion The polypropylene fiber modified fly ash with this material, based on a lot of dynamic, static triaxial test on the analysis of the relationship between the dynamic, static strength parameters, the following conclusions were obtained: (1) Influence of freeze thaw cycles has a great similarity on dynamic, static triaxial test C value.
Acknowledgments This work was financially supported by Key Laboratory of Technology Laboratory in road engineering project in Heilongjiang Province (HOKF-12-06), the science and technology research projects of Heilongjiang province Education Department (12521454), the Natural Science Foundation of Heilongjiang Province, Project No.E200926 & No.E201117, and supported by Foundation for University Key Teacher of Heilongjiang Province of China(1252G050).
Journal of Waler Resources and Archileclural Engineering
Journal of Jilin University.