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Neutrons can probe deeply in the bulk material to determine the performance of biomaterials.
For isotropic materials, using Hooke's law, in the case of a biaxial stress, the strain tensor in the reference Φ, Ψ can be connected to the stress tensor by the relation: εφψ = [(1 + ν)/E] σφ sin 2 ψ - [ν/E] Tr(σ) (4) Fig. 3.
Di Silvio, Materials Science and Engineering C 25 (2005) 255-262 [2] K.
Int J Oral Maxillofac Implants (1999) 14(5):748-55 [6] Lu J., Handbook of Measurement of residual Stresses, Fairmont Press (1996), 238p [7] G.S Schajer, Journal of Engineering Materials and Technology, (1981) 103:157-163
Journal of Neutron Research (in press)

Conventionally, resin-derived carbon foams have improved mechanical strength, and have attracted great attention from the field of thermal insulation materials [5].
Experimental Raw material.
Shi, Study on the heat treatment process of phenolic foam precursor, Journal of Materials Engineering. (2007) 216-220.
Dai, Synthesis of mesoporous carbon materials via enhanced hydrogen-bonding interaction, J.
Zhang, Effect of precursor on the pore structure of carbon foams, New Carbon Materials. 22 (2007) 75-79

Raw materials include gravel powder, 10-30mm aggregate and cement, stone was originated in Jinan city, No.325 cement was adopted.
According to the analysis of the production of raw materials, mixed with 20% aggregates still can not solve the problem of insufficient gravel powder production, and it would affect the stability of the mixture when mixed with small amount of aggregates, so mix with 20% aggregates was not recommended.
Z201244); Technology Project of the Ministry of Transport(2011 319 817 480); The Independent Innovation Project for University Institute of Ji’nan City(200906046); Transportation Science and technology innovation project.
Reference [1] YU Xin,HUANG Xiao-ming Analysis on Shrinkage and Temperature Contraction Character for Low Dosage Cement Stabilized Aggregate.Journal of Highway and Transportation Research and Development.2007.24(7):52-55
Estimation of the Compressive Strength and Modulus of Elasticity of Cement-Treated Aggregate Base Materials[C].TRB 2003 Annual Meeting CD-ROM, Transportations Research Board Washington, D.C.

It causes the researchers widespread attention for using the piezoelectric effect of piezoelectric materials, capturing the vibration in the environment into electrical energy and thus supply for microelectronic devices.
Due to the requirements of MEMS technology，the cantilever beam bottom material is silicon, Piezoelectric ceramic material is PZT-5H, the influence of the electrode and the bonding layer is ignored during simulation.
IEEE Sensors Journal. 2009, 9(7): 731-739
Smart Materials & Structures. 2007, 16(2): 498-505
Journal of Xi’an Jiao Tong University, 2010, 44(2):98-101.

Materials and methods Materials.
Table 1 Oxide compositions of material (mass fraction, %) Element SiO2 CaO Al2O3 MgO Na2O TiO2 P2O5 K2O Fe2O3 burning loss Content（%） 68.48 0.44 6.66 0.59 0.08 0.534 0.22 3.05 4.35 12.21 Table 2 Chemical compositions of material (mass fraction, %) Element V2O5 Cu Zn Ni As Ga Mn S Content（%） 1.09 0.013 0.005 0.02 0.05 0.0015 0.006 2.51 Methods.
Acknowledgements The authors acknowledge the financial support by National Key Technology R&D Program (2009BAA20B02) (China) and Science Fund for Young Scholars of Xi’an University of Architecture & Technology Project (QN0918) (China).
Sakka: Journal of the European Ceramic Society, Vol.24 (2004), p. 405−408
Yang:Chinese Journal of Spectroscopy Laboratory, Vol.15(5)(1998), p. 32-34.

Experimental Materials and Method Materials.
There must be a huge influence on the materials toughness.
Peng, The development of high grade X100 pipeline steel, Kunming University of Science and Technology. (2010) 6-8
Liu, Effect of Thermo-mechanical Control Process on Microstructure of High Strength X100 Pipeline Steel, Chinese Journal of Material Research. 28 (2014) 51-58
Liu, Research on Alloy Design for X100 Hot-rolled Strip Steel, Transactions of Materials and Heat Treatment. 33 (2012) 76-81

Antibacterial Zinc Diatomite Zhichao Zhen1, a, Yihe Zhang 1,*b , Junhui Ji 2,c , Yuxia Yin 1,d 1State Key Laboratory of Geological Processes & Mineral Resources, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing 100083, China 2 Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100101, China azhenzc1979@163.com, *b zyh@cugb.edu.cn, c jhji@263.net, d yinyuxiayyx@126.com, Keywords: Antibacterial, Zinc, Diatomite, Adsorption Abstract.
Experimental Details Materials.
The amount of zinc loaded on the surface of supporting materials generally depends on the chemical nature of the materials, solution pH, and duration of treatment.
In this work, zinc is incorporated into diatomite to render the materials antibacterial.
Gidarakos: Journal of Hazardous Materials, Vol.178(2010),p.136 [4] Yi-Fong Pan, Cary T.Chiou and Tsair-Fuh Lin: Environ Sci Pollut Res.

The feeding speed time function is ; the speed of the impact of the material to the scale is .The weight of the materials falling to the scale during is . is the input signal.
Fig. 2 The system structure diagram 3 The application of the device The system is used to detect the weight of materials, to verify the accuracy of weighing system.
When the materials of different weight operate under constant speeds such as 3m/min or 7m/min, record the measurement data.
We only list data materials in the 3m/min constant speed, as shown in table 1.
Chinese Journal of scientific instrument, 2005,(11):1170-1173

Materials and Methods Materials.
International Journal of Concrete Structures and Materials, 10(3), 271
Materials, 8(9), 6195-6207
Journal of Materials in Civil Engineering, 31(3), 04019001
Materials Journal, 94(5), 435-443

In recent years artificial bone replacement materials have been developed that can be coated with growth factors and loaded with osteoblasts to induce osteogenesis.
Materials and Methods The material we chose to use in this project is macroporous biphasic calcium phosphate (Biomatlante France) consisting of a mixture of 60% Hydroxyapatite and 40% ß-tricalcium phosphate.
Over the last 25 years calcium phosphate materials have been well tested clinically in craniofacial bone replacement therapies [10-12].
Shapiro: Journal of Cellular Physiology 168 (1996), 424-432
Pacifici: Journal of Biological Chemistry 264 (1989), 17281-17286