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Yu: Advanced Materials Research Vol. 476-478 (2012), p. 1533-1536 [6] K.
Miki-Yoshida: Diamond and Related Materials Vol. 15(2006), p. 1329-1335 [9] Z.
Rusop: Advanced Materials Research Vol. 364 (2011), p. 408-411 [13] M.
Rusop: Advanced Materials Research Vol. 364 (2011), p. 359-362 [14] A.
Rusop: Materials Letters Vol. 63 (2009), p. 2704-2706 [15] A.

Hydroxyapatite supports osteoconduction, and after implantation and over time, HA materials can gradually make a strong bounding to human bone tissue [9,10].
Materials and methods Materials CS with a deacetylation ratio of 90% and an average molecular of 2000 was purchased from Qingdao Haihui Bioengineering Co.
Scaffold fabrication The scaffold materials have been obtained by precipitation of HA from its precursors (Ca(NO3)2 and NH4H2PO4) in the presence of NH4OH and CS solution, followed by product freeze-drying.
[10] Weihu Yang, Xingfeng Xi, Jiajia Fang, Peng Liu, Kaiyong Cai: Materials Science and Engineering C Vol. 33(2013), p3753
[11] C.E.Tanase, M.I.Popa, L.Verestiuc: Materials Letters Vol. 65(2011), p1681

Tehrani: Irreversible magnetization in nickel nanoparticles, Journal of Magnetism and Magnetic Materials 225 (2001) 337–345
Ozer: Sol–gel deposited nickel oxide films for electrochromic applications, Solar Energy Materials & Solar Cells 92 (2008) 164–169
Okuyama: Control of size and morphology in NiO particles prepared by a low-pressure spray pyrolysis, Materials Research Bulletin 38 (2003) 1819–1827
Jalar: Growth behaviour of ZnO on Si (100) and Platinum coated glass substrate from aqueous solution, Advanced Materials Research 97-101 (2010) 1550-1553
Shamsudin: Synthesis of porous MgO into sheet-like structure via solution routes, Materials Science Forum Vol. 694 (2011) p.625-629

In the 1990's Schlangen and his colleague [4-6] developed 2D lattice models of beams for simulating the fracture of brittle materials.
[4] Schlangen E., Van Mier J.G.M., Simple lattice model for numerical simulation of fracture of concrete materials and structures, Materials and Structures, 1992, 25, 534-542
[5] Schlangen E., Garboczi E.J., �ew method for simulating fracture using an elastically uniform random geometry lattice, International Journal of Engineering Science, 1996, 34(11), 1131-1144
[8] Limbachiya M.C., Leelawat T., Dhir R.K., Use of recycled concrete aggregate in high-strength concrete, Materials and Structures, 2000, 33(2), 574-580
[13] Xiao J.Z., Li JB, Zhang C., On relationships between the mechanical properties of recycled aggregate concrete: An overview, Materials and Structures, 2006, 39(6), 655-664

Table 1 Chemical reagents and materials Reagents/materials Purity Manufacturer BaCl2·2H2O A.R.
Kang: New Microwave Absorbing Materials (Science Press, Beijing 2006)
Zhang: Journal of Materials Science & Engineering, Vol. 28 (2010), p. 110 [4] M.A.
Danninger and E.Halwax: Journal of Magnetism and Magnetic Materials, Vol. 321 (2009) No.4, p.330 [6] Z.Y.
Liu: Journal of Magnetic Materials & Devices, Vol. 17, (1986), p.27 [7] H.F.

Study on mass loss of ludwigite in the process of carbothermal reduction Ran Liu 1, a, Xingjuan Wang1, Yongliang Gao1 , Qing Lu1, Xiangxin Xue2 1 College of Metallurgy ＆ Energy, Hebei Key Laboratory of Modern Metallurgy Technology, Hebei United University, No.46 Xinhua Street, Tangshan, China, 063009 2 School of Materials ＆ Metallurgy, Northeastern University, No.11, Lane 3, WenHua Road, Shenyang, China,110004 a lr819@163.com Key words: ludwigite; carbothermal reduction; mass loss Abstract: Using ludwigite as raw material, mass loss of ludwigite on the procedure of carbothermal reduction was studied.
Acknowledgement This work was financially supported by National Natural Science Foundation of China (50904022) and Natural Science Foundation of Hebei Province (E2011209010).
Journal of Magnetism and Magnetic Materials, 2002, 226(2): 1079-1080
Journal of Northeastern University(Natural Science), 2007,28(2):233-236
Materials Letters, 2004, 58: 609-614.

Using potassium carbonate, ammonium phosphate, zirconium dioxide, and cobalt oxide as raw materials, a kind of potassium zirconium phosphate ceramic pigments with bright purple color at high temperature were obtained through a series of optimizing experiments.
The raw materials are weighed accurately according to every single composition, and then ball milled and sintered at 1400 o C for 1 h.
This kind of solid solution is mostly formed in solid inorganic materials.
[2] Xiancai Li, Baoyu Ouyang and Houfan Liu: Journal of Nanchang University (Natural Science, in Chinese) Vol. 24 (2000), p. 85
[6] Peiwen Lu: The basic of inorganic materials science, (Wuhan University of Technology Press, Wuhan 1996)

Orthotropic material with an arbitrary angle is adapted in order to cover a large wide of materials.
The present analysis focuses on orthotropic materials with an arbitrary angle.
Table 1: Materials coefficients of the piezoelectric BaTiO3, graphite/epoxy and PZT-4 [3].
This approach will be extended to various types of multifunctional materials.
International Journal of Solids and Structures.

The material model was approximately described by a bilinear stress-strain curve.
The initial slope of the curve was taken as the elastic modulus (E) of the material which was 2.06105MPa.
References [1] Tong Gengshu, Chen Shaofan: Journal of Constructional Steel Research.
[2] Heungbae, G., Yura, J.A.: Journal of Constructional Steel Research, Vol.19 (1999), p.1-19
(Shanghai Technology and Science Publishing House, Shanghai 1985), in Chinese

Setting of Function Layer of Cement Concrete Pavement Hu Miao1, Zheng Mu-lian2, He Rui3 (1,2 School of Highway, Chang’an University, Xi’an, Shaanxi, China 3 School of materials science and Engineering, Chang’an University, Xi’an, Shaanxi, China) a56910857@qq.com, b25515218@qq.com, c269363238@qq.com Key words: cement concrete pavement；interlayer function layer；transition layer；asphalt mixture design；accumulated deformation Abstract.The paper seeks to analyze the necessity of setting functional layer between base and surface course of cement concrete pavement.
Asphalt mixture is a kind of viscoelastic plastic material; the deformation resistance ability depends on cohesive force of asphalt and the extrusion force of mineral aggregate particles.
Journal of Zhengzhou University (Engineering Science). 2011, 32(6): 13-17
Journal of Highway and Transportation Research and Development. 2012, 29(11): 35-36
Journal of Tongji University (Natural Science). 2013, 41(8): 1203-1207.