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Introduction Optical Coherence Tomography (OCT) [1] imaging technology is a new optical diagnostics and detection technology which can be used for non-invasive examination of biological tissues and various materials.
It has been used in medical diagnosis and measurement of engineering materials [2-7].
Fujimoto: Science, Vol, 254 (1991), p.1178–1181
[7] Li Jianping, Li Dong: Journal of Applied Optics,Vol. 26 (2005), p.60-64, in Chinese
[11] Jia Jia and Yinqi Feng: Journal of Applied Optics, Vol. 30 (2009),p610-615, in Chinese

FFig. 1 GM yield locus on π-plane (a) (b) In principal stress space, if the GM yield criterion can be expressed as (1) Application in crack tip plastic zone It is well known that the size of crack tip plastic zone is a factor of fundamental importance in the fracture behavior of metallic materials [5-6].
Therefore, the stress-strain relation of materials can be reasonably characterized by a pure power-law curve [9] (12) (13) where and are the uniaxial tension true stress and strain ； e=2.7183, n is the strain hardening exponent, and is the engineering ultimate tensile stress(UTS). is the true ultimate tensile stress.
Acknowledgements This work is supported by the National Nature Science Foundation of China (No. 51074052).
References [1] Zhao D W, Xie Y J, Liu X H, Wang G D: Journal of Northeastern University(Natural Science ) Vol. 25(2004), p. 121-124 (in Chinese) [2] ZHAO De-wen, WANG Gen-ji，LIU Xiang-hua，WANG Guo-dong: Trans.
[3]WANG Gen-ji, DU Hai-jun, ZHAO De-wen: Journal of Iron and Steel, International Vol. 16(2009), p. 17-22

., "Reinforcement of single-walled carbon nanotubes by intertube bridging," Nature Materials 3, pp. 153 - 157, 2004
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Parametric Vibration Responses of Electromechanical Integrated Toroidal Drive Xiuhong Hao1, a and Xuejun Zhu 2,3, b 1School of Mechanical Engineering, Yanshan University, China, Qinhuangdao, 066004 2Hebei Provincial Key Laboratory of Parallel Robot and Mechatronic System, Yanshan University, Qinhuangdao, 066004 3Key Laboratory of Advanced Forging & Stamping Technology and Science, Yanshan University, Ministry of Education of China, Qinhuangdao, 066004 a hxhong@ysu.edu.cn, b tzxj@ysu.edu.cn Key words: Electromechanical integration; Toroidal drive; Parameter excitation; Dynamics response.
Acknowledgment This project is supported by the Natural Science Foundation of Hebei Province of China (NO.
Applied Mechanics and Materials, Vol.121-126,p3682-3688
Journal of Magnetism and Magnetic Materials, 2004, Vol.1, p e1727-e1729
International Journal of Applied Electromagnetics and Mechanics. 2005, Vol.22, No.3-4, p199-211

Preparation and Characterization of PA 6/EPT Blends Changcheng Wu1,a, Xijun Liu1,2,b, 1College of Materials Science and Engineering, Qiqihar University, Qiqih161006, China 2Key Laboratory of Polymer Composition and Modification, College of Heilongjiang Province, Qiqihar 161006 China awuchangcheng064@126.com, bliuxijun2002@163.com Key words: EPT, PA6, Compatibilizer, Toughening modification Abstract: In this paper, the maleic anhydride-grafted copolymer (EPT-g-MAH) and itaconic acid-grafted copolymer (EPT-g-ITA) were used as interfacial modifier of polyamide 6/ethylene propylene terpolymer (PA 6/EPT) blends, and the effects of their concentration on the mechanical properties and morphology of blends were investigated.
Experimental Preparation of PA 6/EPT Blends The pellets of all materials were dried in a vacuum oven at 70°C overnight before using to remove moisture.
European Polymer Journal, 2004, 40: 1223-1232
Journal of Applied Polymer Science, 2006, 99: 3300-3307.

Looney etc: Journal of Materials Processing Technology Vol.123(2002),p.251 [5] Mukai et al.
:High Polymer Materials Science and Engineering Vol.16(2000),p.1 [7] Barth HG: Modern Methods of Particle Size Analysis.
:Special Casting and Non-ferrous Alloy Vol.28(2008),p.581 [9] Han zhicheng.: Journal of North China University of Technology Vol.6(1994),p.34 [10] TAKAMICHI IIDA, RODERICK I.L.GUTHRIE(coauthors).Xian aiping, Wang lianwen(translators), physical properties of liquid metal.
Science press, Beijing(2005) [11] Hasegawa's justice: National defence industry (1986) [12] Chen jiaxiang:Metallurgical Industry Press,Beijing(1984) [13] Hu jianhua, Zhang wenze,etc: Hot Working Technology Vol.38(2009),p.55

Characteristics of piperine solubility in multiple solvent Xuesong Huang a, Xianzhe Lin b,Moting Guo c,Ya Zou d Department of Food Science and Engineering, Jinan University, Guangzhou 510632, China a thxs@jnu.edu.cn,b bravogreat@163.com,c 459301014@qq.com, d 759387746@qq.com Keywords: piperine; solution; Allometric model.
Materials and Methods Materials.
Chinese Journal of Chemical Engineering, 2009:(17):1014-1020
Journal of Agricultural and Food Chemistry, 2003:(51):4853-4860
Separation Science and Technology, 2009:(44):1884-1893

FSSs are periodic structures in either one, two dimensions which perform a filter operation depending on their physical construction, material and geometry [6-9].
G2009CB929300 and the National Natural Science Foundation of China grant No. 61107093.
“Organic conjugated material-based broadband terahertz wave modulators”, Applied Physics Letters, vol. 99, Aug. 2011, pp. 061108, doi.org/10.1063/1.3626591
Choi, “Design of a Multiband Frequency Selective Surface”, ETRI Journal, vol. 28, Aug. 2006, pp. 506-508
DePoy, “Frequency selective surfaces as near-infrared electromagnetic filters for thermophotovoltaic spectral control”, Journal of Applied Physics, vol. 95, Feb. 2004, pp. 4845-4851, doi: 10.1063/1.1688991

Based on the data structure of the 3D surface model, the 3D model of a chosen area is built including buildings, roads and water system, and so on, with texture, material and geometry.
Moreover, the 3D objects represented by this data model can easily combine with such attribute data as texture and material, and so on.
Acknowledgement This work was financially supported By the Hubei Natural Science Foundation (2011CDB235), and Pro Bisheng Yang provides much help.
Journal of Wuhan University, 2000, 24(4):295-297.
Journal of Wuhan Technical University of Surveying and Mapping, 1997, 22(1): 7-15.

PET catalytic hydrolysis under microwave irradiation could initially realize the close cycle of PET from monomer raw material to polymer product.
Material and experiment Main material and equipments.
World Applied Sciences Journal, 2010, 8 (7): 839-846
Australian Journal of Chemistry, 2008, 61 (3): 197-203
Chinese Academy of Sciences, 2005.