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This work includes using natural compounds extracted from plants as antiaging materials of poly(vinyl-chloride) (PVC).
Changing the color of the plastic materials is really a problem in the outdoor uses.
Irradiation of PVC damages the polymeric materials due to the formation of excited electrons [31].
Evaluation of the use of polyphosphates as photostabilizers and in the formation of ball-like polystyrene materials.
Klemchuk, Oxidation Inhibition in Organic Materials, CRC Press, Boca Raton, FL, 48, 1989

Experiments Materials.
Journal of south china university(Natural Science Edition) .1994,22 (1) :70-74
Journal of the Food Technology,2006.12:73-75
Journal of Jilin University (Engineering Science), 2007,37 (2) :479-483
Journal of south china university(Natural Science Edition) ., 1998, 26 (11) :90-95

Interfacial Characteristics and Wear Resistance of WCp/White-Cast-Iron Composites Zhang Guoshang1,2, a, Gao Yimin 2,b，，，，Xing Jiandong2,c，Wei Shizhong1,a, Zhang Xiliang2,d 1 School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, China, 471003 2 School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, China, 710049 a email: gszhang@mail.xjtu.edu.cn, bemail: ymgao@mail.xjtu.edu.cn, c email: jdxing@mail.xjtu.edu.cn, demail: xlzhang@mail.xjtu.edu.cn Keywords ：：：：High Cr white cast iron, Composites, Interface, Centrifugal casting, Three-body abrasive wear Abstract.
The ceramic particle reinforced MMCs combine the properties of ceramic and metals, to make materials possessing superior properties.
Preparation of Composites Experimental Materials.
Acknowledgements The accomplishment of this paper was supported by Talented Research Fund of Henan University of Science and Technology.
References [1] Song Yan-pei, Mao Xie-min, Dong Qi-ming: Journal of Functional Materials, Vol.36, No.10( 2005), p.1517~1520 [2] Chu Shuangjie and Wu renjie: Rare Metal Materials and Engineering, Vol.24, No.6 (1995), p.1 ～9 [3] Shen Baoluo: Rare Metal Materials and Engineering, Vol.24, No.6 (1996), p.46～49 [4] You Xianqing，Ren Hao and Si Tingzhi: Foundry, No.6 (2003), p.1170～1172 [5] Wu Renjie: ACTA Metallurgica Sinica, Vol.33, No.1 (1997), p.78～84 [6] Zhang Guoding: Chinese Journal of Materials Research, Vol.11, No.6 (1997), p.649～657 [7] Zhuzhou Cemented Carbides Factory: Steel-Bonded Cemented Carbides (Metallurgical Industry Press, P.R.China 1982) [8] Zou Zuhui and Wu Renjie: Structure and Property of Composites (Science Press, P.R.China 1999)

It mainly researches the process and regularity which solid materials and their structures are in the final result in the destruction with the damage development under certain loads and special environmental condition [1].The geotechnical engineering field has always attached great importance to the relationship between the deformation and strength of the geotechnical materials, while damage mechanics is an important means to solve this problem.
There are many researches on the damaged constitutive relation of geotechnical materials.
In the literature [6], according to the conclusion that the strength of materials obeys the Weibull statistical distribution, it established the constitutive relation of filling body.
References [1] Wei Shen, Damage mechanics, Wuhan, Huazhong University of Science and Technology Press, 1989.
(In Chinese) [2] Weiya Xu, Lide Wei: Chinese Journal of Rock Mechanics and Engineering (2002) (In Chinese) [3] Wengui Cao, Zulie Fang, Xuejun Tang: Chinese Journal of Rock Mechanics and Engineering (1998) (In Chinese) [4] Wengui Cao, Sheng Zhang: Journal of Hunan University (Natural Science) (2005) (In Chinese) [5] Zhixiang Liu, Xibing LI, Tagen Dai: Rock and Soil Mechanics (2006) (In Chinese) [6] Daiqiang Deng, Zhongliang Yao, Shaohui Tang, et al: Soil Engineering and Foundation (2006) (In Chinese)

Materials and Method Material.
Zaharin: Journal of Applied Sciences(2008) 1590-1593
Nizwan: Journal of Applied Science (2008) 1541-1547
Yamaguchi et. al: Journal of Science and Technology of Advanced Materials (2007) [10] W.D.
Callister in: Materials Science and Engineering: An Introduction, 7th edition, p. 209 (Wiley, Asia, 2007)

Many experimental data and images obtained by experiments provided important materials for simulation study.
Journal of Hazardous Materials.2005 [9] A.M.
Journal of Hazardous Materials.2002 [10] R.C.
Application of fire suppression materials on suppression of LNG pool fires[J] .Journal of Loss Prevention in the Process Industries.2011,64:63-75 [14] Gavelli, F., Davis, S.
[17]D.W.Hissong.Keys to modeling LNG spills on water[J], Journal of Hazardous Materials 140 (2007) 465–477

They enrich our material life and at the same time, also make our spiritual life improved greatly.
According to the sorting and classification of the high-tech groups of the UNESCO, the information science and technology ranks the first in the rapid development of the high-tech group.
So the countries need to put forward appropriate financial resources and material resources to support the development of the network communication technology, which will bring new opportunities and new social elements into our lives.
Communication Technology: past, present, and future, Journal of Chongqing University of Posts and Telecommunications (SOCIAL SCIENCE EDITION), 2007, 3: Vol. l9 (2), 19-22 [4] Edited by Yu Fan.
Bluetooth technology-- the integration of communications and computer technologies, Xiamen science and technology, 2001, No. z1, 39-40

Also, inclusions and cracks are often embedded in composite materials.
Hasebe: International Journal of Fracture, Vol.81-4 (1996), p. 163
Nakamura: Journal of Thermal Stresses Vol.12 (1989), p. 71
Wang: Journal of Thermal Stresses Vol.28 (2005), p. 595
Kondo: International Journal of Fracture Vol.119 (2003), p. 83.

Naito: International Journal of Mechanical Sciences, 50 (2008), p.856
Furutani: International Journal of Mechanical Sciences, 48 (2006), p.108
El-Sebaie: Materials & Design, 30 (2009), p. 1785
Baran: Materials Science and Engineering A, 332 (2002), p.362
Uskokovic: Materials Letters, 58 (2004), p.2437

(a) Failure mechanism of locked patch and evolution of landslides (b) In general, deformation and failure process of rock or rock-like materials under triaxial compression exhibit 5 distinct stages[7](Fig. 4a).
Acknowledgments This work was supported by the Key Program of National Natural Science of China (41030750) and the Knowledge Innovation Programs of Chinese Academy of Sciences (No.
Canadian Geotechnical Journal，2003，40(1)：176–191
Tensile strength，Weibull¢s theory and a general statistical approach to rock failure[C]// Proceedings of the Civil Engineering Materials Conference.
Science，1979，241：158–179