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(4) Denote by the velocity of the material and by the velocity of the mesh.
Material parameters of steel and soil are listed in Tab.1 and 2, respectively.
Acknowledgements: This work was financially supported by the National Natural Science Foundation of P.R.China under NSFC Grant No. 50205026.
Journal of Zhejiang University (Engineering Science).
Journal of Huazhong Agricultural University.

As a large scale of construction is proceeding in China, a great deal of building materials have been used.
Methods and Materials.
Materials.
The binder materials were mixed in a definite ratio as given in Table 3.
Two groups of solidified waste matrices were prepared by mixing different proportions of binder materials.

Out of all the doped materials, silicon-based materials such as porous silicon (PS) have shown to be a promising host because of the dominance of silicon in the microelectronics industry.
The well encouraging results of rare earth/PS have motivated investigators to use varied methods introducing rare earth materials in PS.
Haji: Journal of Luminescence 121 (2006), p. 245-248
Russell: Materials Science and Engineering B81 (2001), p. 40-42
Roger: Materials Science and Engineering B105 (2003), p.157-160.

During loading of sandwich materials different damage mechanisms depend on loading level can be activated.
On account of the relative complexity of the architecture of composite materials and their failure patterns in comparison with those of monotonic materials, nondestructive evaluation (NDE) methods are more highly desirable than others for the inspection and characterization of such materials.
Conclusions AE method is a useful tool for monitoring damage progression during loading of materials.
Ahmadi Journal of Composite Materials OnlineFirst, published on October 20, 2009 as doi:10.1177/0021998309349553
Zucchelli, In: Composite Materials Research Progress, edited by L.P.

Another posibility for achieving the implant is vacuum casting process, when titanium alloys or other biocompatible materials are used [3].
Biocompatible materials used for prosthesis and implants must take into account the physical and mechanical properties of bone [4, 16].
Tensile stress can damage every kind of material, while pressure causes damage only by fragile materials [5].
CNAS Order no. 268 of 23 May 2013 [8], regulates list sanitary materials that patients included in the National orthopedics can benefit.
The obtained materials are tested for mechanical properties, biocompatibility and toxicology.

Hydroxyapatite (HAp) is an osteoconductive material that can be used as a bone replacement material due to its chemical and crystallographic similarity to natural bone and teeth.
Material and Methods Materials We synthesized apatite-fibers using a homogeneous precipitation method [2].
Itatani, Preparation of spherical apatite particles by the homogeneous precipitation method in the presence of magnesium ions and their ion-exchange properties, Materials Research Bulletin 34 (1999) 1215-1225
Kanzawa, Topographical analyses of proliferation and differentiation of osteoblasts in micro- and macropores of apatite-fiber scaffold, Journal of Biomedical Materials Research Part A 94A (2010) 937-944
Fratzl, Three-dimensional growth behavior of osteoblasts on biomimetic hydroxylapatite scaffolds, Journal of Biomedical Materials Research Part A 81A (2007) 40-50.

Influence factors of water lubrication thrust bearing’s bearing capacity Materials and hardness match of bearing friction pair.
Friction pair materials and its hardness matching.
Acknowledgments The authors would like to thank the financial support from key science project of Jiamusi (11182), the project of Educational Commission of Heilongjiang Province of China (12511550), and the science and technology project of Jiamusi University (L2011-013).
Journal of Jiamusi University (Natural Science Edition).
Journal of Hydrodynamics. 1996(12), p.690-697 [4] Lingzhao Wang, Junxiang Yu, Hongfang Hao.

Afterwards, OpenGL graphic processing technologies (with light, material, textures, et al.) were applied on the three-dimensional display of graphics input from files or program modules.
In addition, the system comes with a variety of functions, such as view display, axis rotation, illumination, material quality, atomization and texture map, et al.
[3] XIAO Haijun,LI Hao.Implementation of pre-processor for trimmed surfaces of initial graphics exchange specification[J].Journal of Computer Applications,2013,33(s2):130-132
[4] Wang Liuji,ZHANG Lichao,ZENG Shaoyong.Transformation of File Format in IGES Based on B-Rep Solid Model to STL[J].Journal of Computer-Aided Design&Computer Graphics,2007, 19(1):37-41
[5] HE Ze,QIU Chang-hua,WANG Neng-jian.Development of the transforming tool from DXF to IGES[J].Applied Science and Technology,2005,32(1):6-8.

Raw materials This experiment use LiaoHe oilfield AH - 90# road asphalt, which technical indexs see table 1 below.
[2] Zhiming,LittleDN,LyttonRL.Charaeterization of mierodamage and healing of asphalt conerete mixtures.Journal of Materials in Civil Engineering,2002,14(6):461~470
Huazhong University of Science and Technology doctor degree paper.2007.5.
Journal of Materials Science, 2005, 40(1): 87-95.
Journal of Chang′an University(Natural Science Edition).2002.7(4):5-8.

Acknowledgement This research is supported by "High-grade CNC Machine Tools and Basic Manufacturing Equipments" Major Science and Technology Projects of China (Grant No. 2009ZX04014-042), and The Research Fund for the Doctoral Program of Higher Education (Grant No. 20070214004) References [1] ZOU J X: Aerospace Materials &Technology Vol. 01(2004), p 23
European Journal of Scientific Research Vol. 22(2008), p 153-162
[6] Ge Yingfei, Fu Yucan, Xu Jiuhua: Key Engineering Materials Vol. 339(2007), p 6
Journal of Materials Processing Technology Vol. 118(2004), p. 143-150
B: Materials Science and Engineering A Vol. 527(2010), p 2572-2578