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In normal cases, the homogeneous and continuous deformation of granular materials is unlikely.
Due to the structural properties of granular materials, deformation or displacement of granules under external force is extremely heterogeneous.
It is more extensively applicable than shape function method; (2) Shape parameter-based method can greatly improve the accuracy of deformation analysis of granular materials, such as rock and soil materials
China 2011 [2] Wang Zhi-hua, Cao Xiao-qing, Ma Hong-wei Microscopic investigation of cellular materials mechanical properties based on homogenization theory[J] ORDNANCE MATERIAL SCIENCE AND ENGINEETING.
Journal of Hohai University( Natural Sciences) Vol. 33 No.6 Nov. 2005：688-691.

Acknowledgements The authors would like to thank support from the Natural Science Foundation of Shaanxi Province (2014JM7275), State Key Laboratory of Mechanical Transmission Open Foundation (SKLMT-KFKT-201415), and National Science Foundation of China (51375381).
N. , a, et al., "Influence of some relevant process parameters on the dimensional," Journal of Materials Processing Technology, 56 2004
Vallellano, "Critical analysis of necking and fracture limit strains and forming forces in single-point incremental forming," Materials & Design, vol. 63 (2014), pp. 20-29
(in Chinese) [14] Zhang Shihong,"Ultrasonic plastic processing of metallic materials," Metal Forming Technology, 32 1993.
Houtte, "The significance of friction in the single point incremental forming process," International Journal of Material Forming, vol. 3 (2010), pp. 947-950

Zaikov, Complex aerohydrodynamic research and the effectiveness or arresting dispersed particles for barbotage-rotation, Journal of Applied Polymer Science. 104 (4) (2007) 2088-2091
Khalatov, Theory and practice of swirling flows, AS USSR, Institute of Engineering Thermophysics. - Kiev: Science.
The Russian Journal of applied physics. 54 (7) (2009) 1063-1065
Tropea, Modeling rotating and swirling turbulent flows: a perpetual challenge, AIAA Journal, 40 (10) (2002) 1984-1996
Ganesan, Study on the effect of various parameters on flow development behind vane swirlers, International journal of thermal sciences, 47 (9) (2008) 1204-1225

Effect of Additives on the Performance of PU/SiO2 Hybrid Membrane NIE Xin-xin , ZHAO Zi-nian , CHENG Xiao-yan College of Material Science and Chemical Engineering, Tianjin University of Science & Technology, 300457, Tianjin, P.R.
Experimental Materials and reagents.
References [1] Shih-Hsiung Chen，Kung-Chang Yu，Shih-Liang Houng et al．Gas transport properties of HTPB based polyurethane/cosalen membrane[J]．Journal of Membrane Science，2002，173(1)：99-106
[4] Li Jie-hua，Xie Xing-yi，He Cheng-sheng．The Advance of Research for Biocompatibility of Medical Polyurethanes[J]．Journal of Biomedical Engineering，2002，19(2)：315-317
Polyurethane-poly(vinylidene fluoride) (PU-PVDF) thin film composite membranes for gas separation[J]．Journal of Membrane Science，2008，323(1)：371-378．

The experiment result of rock materials in impact loading mechanical properties is study of rock structure.
Chinese Journal of Geotechnical Engineering.
Science in China (Series E: Technological Sciences).
Chinese Journal of Rock Mechanics and Engineering.
Vol.6 (1998), P.662-666(in Chinese) [5] Bing Liang, Keming Sun and Qiang Xue: The Research of Fluid-solid Coupling in the Ground Engineering.Journal of Liaoning Technical University (Natural Science Edition).

The conclusion could be an important reference for the design and research of jet pipe servo valve. 1 Introduction Since water hydraulics emerged, some developed countries such as America，Japan, the UK and so on have developed some water hydraulic control valve products with the help of new engineering materials, suitable surface modification technology and the innovative structural design.
Based on the excellent functions of giant magnetostriction material (GMM), a new intelligent material, especially its self-sensing characteristic, a new water hydraulic jet pipe servo valve driven by GMM self-sensing actuator is put forward.
Symposium on Measurement and Control in Robotics (ISMCR), Tsukuba Science City, Japan, 1992, p. 359-364
Development Status and Application Prospect of Water Hydraulic Servo Control Technology, Machine Tool & Hydraulics, Vol 36(5), 2008, p. 177-181 [6] Vaughan N.D., Johnston D.N., Edge K.A., Numerical simulation of fluid flow in poppet valves, Proceedings of the Institution of Mechanical Engineers, Part C, Journal of Mechanical Engineering Science, Vol.206, 1992, p. 119-127
Development of a Water Hydraulic Servo Valve, JSME International Journal, Series B: Fluids and Thermal Engineering, 1998, 41(2): 286~294 [9] B.

Materials and Methods Materials The pectin powder was commercial grade that was purchased from VR Bioscience Co., Ltd, Thailand.
British Journal of Pharmacology. 172 (2015) 2179-209
Encyclopedia of Food Sciences and Nutrition (Second Edition).
Future Journal of Pharmaceutical Sciences. 3 (2017) 33-45
European Polymer Journal. 47 (2011) 254-263

Polymerization Method and Materials Used Bentonite.
Journal of Geotechnical and Geoenvironmental engineering, ASCE. 130 (2004) 818-829
Journal of Geotechnical and Geoenvironmental Engineering, ASCE. 127 (2001) 557-567
D., Improving membrane performance via bentonite polymer nanocomposite, Applied Clay Science. 86 (2013) 83-98
Chai, and Shen, S., Hydraulic Properties of Polymerized Bentonites, Journal of Materials in Civil Engineering. 30 (2018) 04018247

China aemail: cjzhu@imu.edu.cn Keywords: CIAS nanocrystals; CIASSe thin film; Ink coating; Selenization; Solar cell materials Abstract.
To address the cost issues, efforts have been made to take an alternative approach to depositing CIAS material.
Chen: Journal of Physical Chemistry B Vol. 110 (2006), p. 17370 [9] I.
Guillen: Solar Energy Materials and Solar Cells Vol. 94 (2010), p.1263
[11] Dung-Ching Perng, Jhin-Wei Chen and Chyi-Jeng Wu: Solar Energy Materials and Solar Cells Vol. 95 (2011), p. 257

Graphite oxide and its composite materials have wide application prospects and can be used as catalyst carrier, wear-resistant materials, controlled drug release carriers, flame retardant materials and surface active agents [4].
Fig. 1 Schematic diagram of the structure of graphite oxide Experimental Raw materials.
The narrow and sharp peak shape showed that the graphite raw materials are of good crystallinity.
Ordnance Material Science and Engineering, Vol. 35 (2012) No.3, p.86
New Carbon Materials, Vol. 23 (2008) No.3, p.193