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Introduction Polymer concrete is a type of construction materials in which aggregates are bound by a thermosetting synthetic resin[1].
Fig. 2 Coefficient of thermal expansion of constituting materials for polymer concrete CTE of Cement Concrete and Its Constituting Materials.The CTE of cement concrete largely depends on the type of coarse aggregate used, which typically ranged from 6 x 10-6 to 12 x 10-6/℃[9,10].
Fig. 3 Coefficient of thermal expansionconstituting materials for cement concrete Potential Problems Resulting from High CTE of Polymer Concrete.Table 2 compares the CTE of cement concrete, polymer concrete and their constituting materials.
Topcu, Thermal Expansion of Self-Consolidating Normal and Lightweight Aggregate Concrete at Elevated Temperature, Construction Materials and Building Materials 23 (2009) 3063-3069 [8] S.
Monteiro, Concrete : microstructure, properties, and materials, Third Edition, McGraw-Hill(1993) 91-95 [10] A.M.

Taiyuan University of Science & Technology, Taiyuan, 030024, China) (2.
When the upper cutting die contacts with the materials, the materials in the contact zone begin to deform elastically.
Then the crack growth results in the fracture of the materials.
The materials of the billets were common carbon steel 45 #.
Chinese Journal of Mechanical Engineering.

Physical Review B (Condensed Matter and Materials Physics), 2008. 77(11): p. 115416-6. 27.
New Journal of Physics, 2008. 10(4): p. 043033. 34.
Physical Review B (Condensed Matter and Materials Physics), 2008. 77(16): p. 165427-13. 58.
Physical Review B (Condensed Matter and Materials Physics), 2006. 74(16): p. 161403- 4. 66.
Physical Review B (Condensed Matter and Materials Physics), 2008. 78(8): p. 085413-5. 77.

Ballistics is the science and dynamics of a moving projectile.
We will explain the science behind accurate and efficient projectile delivery by studying the factors that affect the range of a projectile.
In conclusion, foreign ballistics is a multidisciplinary science that combines theoretical understanding with practical application.
Army Material Command, Engineering Design Handbook Guns Series Muzzle Devices, Washington D.C, (1968) 120-123
[6] Akcay, M., Internal and transitional ballistic solution for spherical and perforated propellants and verification with experimental results, Journal of Thermal Science and Technology, (2017), 35-44

This section is preceded and succeeded by 90º angle bends from the same material illustrated in Figure 2 and 3.
In order to allow the modelling and solving complex viscous materials in FLUENT the turbulent non-Newtonian the option to do so was turned on via text interface with the command ‘/define/models/viscous/turbulence-expert/turb-non-newtonian’ followed by an affirmative option; this allows for the entry of the carreau model for viscosity.
Ito, "Friction Factors for Turbulent Flow in Curved Pipes," Journal of Basic Engineering, pp. 123-134, 1959
A., "The Flow of Cream through Narrow Glass Tubes," Journal of physical chemistry, pp. 853–864, 1939
Y., "Effects of solvent and concentration on scission of polymers with high-speed stirring," Journal of Applied Polymer Science, vol. 19, no. 8, pp. 2119–2130, 1975

Acknowledgments: The research was funded by the National High Technology Research and Development Program of China (grant No. 2007AA06Z134), Natural Science Foundation of China (grant No. 40964077), Research foundation of science & technology bureau of Hunan Province, China (grant No. 2009TP4038-1), Natural Science Foundation of Hunan province, China (grant No. 07JJ6118).
Geological journal of universities, 1995, 1(2): 65-73 [5] Chen L S, Liu R, and Wang T S: Data processing and interpretation for MT sounding.
Earth science, 1998, 23(3): 303-307 [7] Misac, N Nabighian: Electromagnetic methods in applied geophysics, Vol. 1: Theory: Translated by Zhao Jing-xiang.
Beijing: Science publishing house (1994) [11] Mitsuhata Y, 2-D electromagnetic modeling by finite-element method with a dipole source and topography.
Chinese Journal of Geophysics, 2000, 43(5), 684-690

A Simulation Study on Stress and Strain Change Rule for Channel Steel Cold Roll Forming Process Lin Chen1, a, Chenxia Wu2,b and Yan Wang3,c Department of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, 014010, China achenlin39805@163.com, bwuchenxia_1987@163.com, c71766475@qq.com Keywords: Channel steel , Cold Roll Forming , Simulation Abstract.
ABAQUS finite element need to define the young’s modulus , poisson’s ratio and material’s true stress-strain.
The strip’s material parameters are shown in table two.
Table 2 Material parameters of cold-bending steel plate Material Data Density[kg.m-3] Young’s Modulus[Pa] Poisson’s Ratio Strip 7800 2e11 0.3 Roll flower chart of channel steel roll bending forming and roll pass design.
Journal of North China University of Technology,2004, (1): 46-50,55 (In Chinese) [2] Lin Chen, YanDing Wang, Scott: The die design and implementation of the path trail about step-by-step forming section, Manufacturing Science and Technology, 2011,V. 295-297, p. 681-684

Currently, electronic nose has been widely applied in beverage, foodstuff, grain quality, maturity of garden stuff, traditional Chinese medicinal materials, environmental monitoring, and other fields.
Materials and Method Materials Xinyang Maojian from Henan province was used for the samples in this experiment.
Therefore, this method is commonly used in the quality control of raw materials and final products.
Acknowledgements The authors acknowledge the financial support of the Chinese Postdoctoral Science Foundation and China Postdoctoral Science Special Foundation through Project Nos. 20090460854 and 201003396.
Journal of Food Engineering, Vol.80 (2007), p. 1146 [5] R.

Weng 1,b 1 Key Laboratory of Materials Advanced Technologies (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, PR China a xiaocao0305@163.com; bjweng@home.swjtu.edu.cn Keywords: microemulsion, nano-hydroxyapatite, morphology, size distribution Abstract.
Many of medical applications require high mechanical strength materials for load-bearing, whose properties are largely dependent on their microstructural features, such as particle size, degree of particle size agglomeration and sintered densities [3, 4].
So the preparation of fine, single distribution and sinterable HA particle is the most important step in achieving a highly sintered ceramic material with desirable microstructure.
Materials and Methods In the microemulsion reaction, cyelohexaneane was used as the oil phase, while tritonX-100 as the surfactant phase, hexanol as co-surfactant phase, and an aqueous Ca(NO3)2 and (NH4)2HPO4 solutions as the water phases.
Ladavos, etc: Journal of Colloid and Interface Science 259 (2003), p.254-260 [5].

Science College, Honghe University, Yunnan Mengzi 661100, China) a.jiangyan1626@126.com, b.xrm1236@sina.com, c. lizijing@gmail.com, d.sunlida0506@126.com, e.huangdushu@yahoo.com.cn Keywords: electroless nickel plating; Ni/C ;composite powder; compound complex agent Abstract.
Ni/C composite powder has a good conductivity and thermal conductivity of metallic nickel and a good lubricity and wear resistance of graphite, so in the areas of the conductive filler, electrical contact materials,wear seal coating and self-lubricating material, etc.[1,2]have a broad application prospects.
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