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MATERIALS AND METHODS All the HAp containing calcium phosphate powder samples were prepared by calcination following a similar routine throughout this work.
Journal of Materials Science: Materials in Medicine, 4, 150- 158, (1993)
Journal of Materials Science In Medicine, 3, 299-305, (1992)
"Biodegradation of four calcium phosphate ceramic; in vivo rates and tissue interactions", Journal of Materials Science: Materials in Medicine, 2, 63-70, (1991)
Z.Le Geros, "Calcium Phosphates in Oral Biology and Medicine" Monographs in Oral Science, vol. 15, Ed.

Mathematical Model of Thermal Field for an Insulation Composite Wall In fact, the temperature field for an insulated composite wall belongs to a three-dimensional transient one .For simplification, we will employ following assumptions ① all the materials of the insulated composite wall are homogeneous and isotropic; ② thermo–mechanical parameters of all the materials are constants; ③ thermal resistance between two different materials is omitted; ④ only the temperature gradient takes place along the thick direction of the wall.
Thermo-mechanical parameters of all the materials are shown in Table.1 and Table.2. , , , , .
This is because the conductivity of the insulated material is much smaller than those of other materials.
[2] Z.L.Li, G.Gan, J.C.Tang: Journal of Zhejiang University(Engineering Science(in Chinese)(2004)
[3] W.L.Jin, J.C.Ye,D.Q.Zou, et.al: Journal of Zhejiang University(Engineering Science)(in Chinese)(2002)

Because of propellants are ignited essentially by high temperature heat transfer of the ignition material by hot gases.
Journal of Energetic Materials , 2009,27(1):40-50
Journal of Propulsion and Power, 2010, 26(1): 120-124
Journal of Combustion Science and Technology, 2007, 13(2): 187-191(In Chinese) [5] White, K.
In: 18th International Symposium on Space Technology and Science, Kagoshima, JAPAN, 1992: 225-234

However, some defects could easily be seen in the studied materials.
References [1] R. van Noort, Introduction to dental materials, 1994, Mosby [2] K.
Anusavice, Phillips' science of dental materials, tenth edition, Saunders, Philadelphia, 1996 [3] L.
Kraft, Calcium aluminate based cements as dental restorative materials, Ph.D.
George, Mechanisms of hydration of calcium aluminate cements, Material science of concrete IV, Skalny, Mindess, 1995 [7] K.L.

Study on the Assorted Non-Asbestos Fiber Reinforce Composite by Beater-addition Process Liu Meihong1,a Li Zhenhua2,b Zhou Rong3,c Yu Xinqi4,d Cai Renliang5,e Xie Sujiang6,f 1,5,6East China University of Science & Technology, Shanghai, 200237, China 2,3Kunming University of Science & Technology, Kunming, 650093, China 4Hebei University of Science & Technology, Shijiazhuang, 050054, China a,d,e,fliumeihong6199@sohu.com, b,clzhkust@sohu.com Keywords: composite; non-asbestos; beater-addition process; gasket material Abstract.
Introduction For many years, gasket materials for many important uses have contained asbestos fibers.
However, recent concerns about the health hazards associated with exposure to asbestos fibers have resulted in prohibition of traditional asbestos fiber materials and attempts to produce asbestos-free gasket materials.
It has been used widely in manufacturing gasket materials because of its low cost and convenience of mass production.
International Journal of Impact Engineering, Vol. 19, 1997(2): 135~146

Experimental progam Materials.
Materials. 2010, 3(2): 918-942
MATERIALS & DESIGN. 2014, 59: 1-9
KONA Powder and Particle Journal. 2009, 27: 119-129
Journal of Applied Polymer Science. 2013, 129(1): 346-353

Research on Lyapunov exponent of chaos feature in different stress stage of concrete joint system Song Jun-wei Jiangxi bluesky university, Nanchang 330098,China sjw77@tom.com Keywords: Lyapunov exponent; concrete materials; features of stages; dynamics; stability criterion Abstract: According to the research on whole curves of strain-stress of concrete materials, the paper illustrates in evidence features of stages and shows that the discrete feature of curve often occurs in strain-softening stage.
ShangDong Science,2006,(19)4:15-18 [2] Sivakumar B,Liong S Y, Liaw C Y, et al.
Journal of the American Water Re-sources Association,1998:301~310 [3]Song Yu, Chen Jia-jun, Sun Xiong.
Beijing: Science Press,2000
Concrete damage and fracture-Numerical test [M].Beijing: Science Press, 2003

Introduction Currently, the processing of materials by ultrashort laser pulses is of great interest [1-5].
Menkova, Crystallization of metals under conditions of ultra-fast cooling during processing of materials by ultrashort laser pulses, Optical journal. 6 (2008) 13-19
Series: Natural Sciences. 2 (2010) 103-120
Knapp, Micro-Processing of materials by picosecond lasers, Photonics. 1 (2013) 34-43 [11] E.Y.
Samokhin, Successes of physical Sciences. 2 (2017) 159

The heat transfer ability of different interface materials was evaluated.
When solid interstitial materials are used, the joint conductance problem becomes much more complicated.
Thermal interface materials include thermal fluids, thermal grease, resilient thermal conductors, solders, phase change materials etc. [6, 7].
· From this experiment we can compare these two interface materials with different dissipation, in vacuum.
Chung, “Thermal Interface Materials,” Journal of Materials Engineering and Performance (JMEPEG), volume 10(1), February 2001, ÓASM International, pp. 56-59

Materials & Design, 1997, 18（4-6）: 315-321
Journal of Materials processing Technology, 2000, （98）: 165-170
Journal of Materials processing Technology, 2004, （150）: 48-55
Computational Materials Science, 2006, 36（4）: 480-489
Journal of Materials processing Technology, 2007, （185）: 139-146