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Weihua Zhang’s studies in Inner Mongolia grassland ecosystem positioning station of Chinese academy of sciences show that soil bulk density and hardness increases, the porosity decreased, soil physical character bastardize in degraded grassland with the increase of grazing intensity[8].
Local region developed implicit soil because of topography, parent material and water condition differences.
Effects of Poly(acrylic-acylamide)/attapulgite Superabsorbent Composite on Soil Water Content and Physical Properties[J].Journal of Soil and Water Conservation,2005,19(3):38-41
Journal of Soil and Water Conservation,2002,16(4):5-8,126
Journal of Soil Water Conservation,2005,19(1):93-96.

Journal of Geotechnical Engineering, 2004, 26 (1): 21－25.
Journal of Geotechnical Engineering. 2004, 26(2):254－258.
Mathematical modeling of deformation of the contact surface between soil and material of structure[J].
Journal of Hohai University (natural sciences)[J]2003 （In Chinese） [9] Junshao Li, Fanzhen Meng, Jing Chen.
Journal of Geotechnical Engineering, 2012,31(1):180 -188.

Material surface has been wear and tear, rough everywhere.
The alloy material is large flake and formed the pits.
Journal of Gun Launch&Control, Vol.2,(2000),p.38-46
The failure analysis of throttling ring in gun recoil brake.Beijing: Beijing University of Science and Technology(2003)
Nanjing: Nanjing University of Science and Technology(2011)

Tolouei 1 1Biomedical Engineering Faculty, Islamic Azad University, Science and research Branch, P.O.
Box 4515-775, Tehran, Iran 2 Materials and Energy Research Center, P.O.
Taking into account the role of chemical composition, choosing the Ca/P ratio of less than 1.67 in the starting materials might be considered as an alternative to investigate in-situ preparation of the powders containing bioactive TCP/CDHA/FHA nanoparticles.
Yoshimura, in: Processing and properties of hydroxyapatite-based biomaterials for use as hard tissue replacement implants, Journal of MATERIALS RESEARCH, J.
[10] Feng Wang, Mu-sen Li, Yu-peng Lu, Yong-xin Qi, in: A simple sol-gel technique for preparing hydroxyapatite nanopowders, Materials Letters 59 (2005) 916- 919

Material and Sample Preparation The joint was obtained by welding – brazing of a zinc-coated steel plate 2 mm thick with an Al-Mg alloy plate 1.5 mm thick, the brazing material was Al-Si-alloy-based.
Bogdanov, Creation of composite nanostructured surface-reinforced powder materials based on Ti/WC and Ti/TiCN used for coatings with enhanced hardness.
Inorganic Materials: Applied Research. 2016 Nov 1;7(6):855-62.DOI: 10.1134/S2075113316060034 [7] A.
Materials Performance and Characterization. 2016 Sep 6;5(5):497-509.DOI: 10.1520/MPC20160025 [8] V.S.
Journal of Nano-and Electronic Physics. 2016 Oct 1;8(4):4013-1.

Defines the interactive features The existing modeling system uses the geometric model to establish the product by the user directly through the graphical interactive picking, define the geometric characteristics of the geometric elements should be required, and the characteristic parameters or accuracy, technical requirements, materials, heat treatment and other information characteristics as attributes to the model.
Feature recognition is often only effective for simple shapes, and tolerances required for CAPP, material properties is still lacking.
By analyzing a large number of mechanical parts drawings, product information and information processing technology, will form part of the features can be divided into five categories: (1) management features and collection of information related to the management components, including the title bar information (such as part name, drawing number, designers, design date, etc.), part material, roughness and other information without injection; (2) describes the technical characteristics of parts of the performance and technical requirements of the information collection; (3) material characteristics and components heat treatment of materials and heat treatment on the collection of information, such as material properties, heat treatment, hardness, etc.; (4) precision characterization of part geometry, size, changes in the amount of the license information collection, including tolerances (dimensional tolerances and geometric tolerances) and surface roughness; (5) shape features and describe
Acknowledgements This project has been supported by Beijing Natural Science Foundation（3102011）and Beijing University of Civil Engineering and Architecture Ph.D foundation (101001604) and Funding Project for Academic Human Resources Development in Institutions of Higher Learning Under the Jurisdiction of Beijing Municipality (PHR(IHLB) 201008370,201106125).
Reitz , Characterization of soot particle distribution in conventional, non-premixed DI diesel flame using a multi-step phenomenological soot model, Proceeding of the combustion institute 31(2007), 2991-2998 [4] LIU Yongfeng PEI Pucheng, Analysis on Ignition and Extinction of n-Heptane in Homogeneous Systems, Science in China[J],2005.10; 556～569 [5] K.

Luo 1 and H.Gong 1 1 Advanced Biomaterials and Tissue Engineering Center, Huazhong University of Science and Technology, Wuhan 430074, China 2 Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430031, China a email: smzhang@mail.hust.edu.cn Keywords: Tissue engineering, nanocomposites, poly (D, L-lactide), nano-hydroxyapatite, porous scaffolds, cell compatibility Abstract.
Introduction Hydroxyapaite (HA) has been used as tissue engineering material for cell culture and tissue repair due to its excellent biocompatibility and osteoconductivity [1].
And there is much increase in protein adsorption and osteoblast adhesion on the nano-ceramic materials compared to micro-ceramic materials.
Materials and Methods Materials.
Li: European Polymer Journal Vol. 40 (2004), p. 509-515 [5] T.J.

There have been many published studies considering surface roughness of machined materials by EDM.The effect of the peak current and the pulse on-time on surface roughness,Ra, was studied by some scolars[2-5].
The selected workpiece material was NAK80 which is widely used in the production of plastic mold.
[6] Y.H.Guu: Applied Surface science Vol.242 (2005), p. 245-250
[7]T.Y.Tai and S.J.Lu: International Journal of Fatigue Vol.31 (2009), p.433-438
[8]H.T.Lee, F.C.Hsu and T.Y.Tai: Materials Science and Engineering A Vol.364 (2004), p. 346-356

Preparation of Plywood Using Starch Adhesives Modified with Isocyanate Jiyou Gua, Yingfeng Zuob , Yanhua Zhangc, Hanyan Tand, Libin Zhue, Jun Shen f College of Material Science and Engineering, Northeast Forestry University, Harbin, China, 150040，P.
Introduction With the characteristics of abundant raw materials, simple process, convenient operation, low cost, well adhesion and film forming, non-formaldehyde emission, as well as the bright spot of environmental protection and renewablity, starch adhesive is the most potential one for development in the range of wood adhesives.
Thanks to the characteristics of excellent bonding properties, water resistance, anti-aging, none formaldehyde and other pollution, isocyanate adhesive is adapt to a wide range of adhesive materials, and help to improve the quality of adhesive products and wood utilization.
Experimental Materials and Methods Materials.
[4] Y.B.Huang, Q.Y.Huo, The Application of Isocyanates Adhesive in Timber Industry, Journal of HeiLongJiang Ecological Engineering Vocational College, No. 6,(2006), p. 34~35.

J1d 1 Materials Science Centre, School of Materials, The University of Manchester, Manchester, M13 9PL, UK. 2Rolls Royce PLC, Derby DE24 8BJ, England apeter.honniball@postgrad.manchester.ac.uk, bmichael.preuss@manchester.ac.uk, cdavid.rugg@ rolls-royce.com, djoao.fonseca@manchester.ac.uk Keywords: Zirconium, Zircaloy, slip, temperature, hexagonal, texture, microstructure.
Experimental Methods The material used in this study Zircaloy-4 plate supplied by Rolls-Royce plc in rolled and recrystallized form.
Tome, A dislocation-based constitutive law for pure Zr including temperature effects, International Journal of Plasticity, 24 (2008) 867-895
Hwang, Distribution Characteristics of In-Grain Misorientation Axes in Cold-Rolled Commercially Pure Titanium and Their Correlation with Active Slip Modes, Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science, 41A (2010) 3473-3487.