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At present, Liaoning needs to take travel agencies as the core, form a chain of eating (food and beverage enterprises), accommodation (travel restaurants), transportation (transportation enterprises), sightseeing (scenery spots), shopping (travel shops), entertainment (recreation enterprises) providers and providers of providers (supply enterprises of food raw materials, supply enterprises of hotel equipment) and all the providers including distributors, retailers and tourists and all the users (see Figure 1. ).
[2] S.J.Chang, Wang S.X.”Research on Development of Tourism Industry Cluster,” Journal of Zhengzhou University of High Industry (Social Science), 5, 2006, p. 52-55
“Research on Development Strategy of Regional Tourism Industry Cluster,” Academic journal of Zhongzhou, 4, 2007, p.71-73
“On Upgrading Industrial Cluster Based on Cluster Innovation Network,” Journal of Yancheng Teachers University (Humanities & Social Sciences), 2, 2008 ,p.33-39
[5] S.J.Chang, Wang S.X.”Research on Development of Tourism Industry Cluster,” Journal of Zhengzhou University of High Industry (Social Science), 5, 2006, p. 52-55

Therefore, it is important to study the fatigue damage of metallic materials with plastic deformation [6].
The objective of this paper is to study the formation, expansion and fracture process of fatigue crack of metallic materials under plastic hardening using fractal and catastrophe theory.
Acknowledgements This work was financially supported by the Natural Science Foundation of China (10802015) References [1] B.
Akagi: Fatigue & Fracture of Engineering Materials & Structures Vol. 25(8-9) (2002), p.831-835
:International Journal of Fatigue Vol. 29(9-11) (2007), p. 2072-2078

Its design method can be put into use of home textile material, dress and dress material design.
AUTEX Research Journal, 2003, 3(4): 173-179
Journal of Donghua University ( Eng.
Journal of Textile Research, 2008, 28 (4): 53-56.
Journal of Textile Research, 2007, 28 (10): 34-37.

Hexavalent chromium is applied by immersing Zn-coated materials in a chromium acid bath, thus forming a passive layer containing Zn oxides and mixed Cr(VI)-Cr(III) oxides.
MAN, Rare earth and silane as chromate replacers for corrosion protection on galvanized steel, Journal of Rare Earths, 27 (2009) 159-163
Havancsák, Electrochemical behaviour of amorphous electrodeposited chromium coatings, Materials Chemistry and Physics, 133 (2012) 1092-1100
Gaohui, Study on Anticorrosive Cerium Conversion Coating of Cf/6061Al Composite Surface, Journal of Rare Earths, 24 (2006) 64-67
Zhong, Study on lanthanum salt conversion coating modified with citric acid on hot dip galvanized steel, Journal of Rare Earths, 28 (2010) 461-465

Vol. 110, no. 6, 1375–1387,(1958) [2] Wang Kun, Li Jian, Xiao Jing, Research on cylindrical surface wave plasma fluorescent lamps[J], Journal of Engineering Science and Technology Review, vol.6, no.2, pp.164-167, (2013) [3] Wang kun, Li jian, Wang Shiqing, Optimization of Xenon Gas Discharge Flat Panel Lamps[J], Advanced Materials Research, vol. 571, 256-260, (2012) [4] Li Jian, Wang Kun, Dong Huan, etc.
Secondary optical design of US energy-saving traffic signal lamps using TIR and dentate lens, Energy Education Science and Technology Part A: Energy Science and Research, vol. 31, no. 1, 1151-1156, (2013) [5] Li Jian, Wang Kun, Wang Shiqing, Research in luminous efficacy of the mercury free plasma flat panel lamps[J], Nuclear Fusion and Plasma Physics, vol. 32, no. 1, 92-96, (2013) [6] Wang kun, Li jian.Surface Modification of Polythylene Membrane with Air Dielectric Barrier Discharge Plasma[J], Chinese Journal of Vacuum Science and Technology, vol. 33, no. 4, 337-341, (2013) [7] Wang Kun, Li Jian, Wang Shiqing.
Penning Effects on Characteristics of Surface Wave Sustained Plasma[J], Chinese Journal of Vacuum Science and Technology, vol. 29, no. 3, 264-267, (2009) [8] Li Jian, Wang kun, Wang Shiqing, Double Probe Diagnosis of Surface-Wave Sustained Plasma Column[J], 2nd International Conference on Electronic & Mechanical Engineering and Information Technology(EMEIT-2012), 1030-1033, (2012) [9] Li Jian, Wang Kun, Research in Surface-Wave Sustained Plasma Fluorescent Lamps[J], Advanced Materials Research, vol. 756-759, pp.2099-2102, (2013) [10]Klir, D.; Shishlov, A.
Neutron Flux Stability Measurement of Miniature Neutron Source Research Reactors using 0.1%Au-Al Alloy and Pure Cu wires[J], Advances in Applied Science Research, , Vol. 2 Issue 6, 488 -494, (2011)

Materials and methods Tested materials.
Acknowledgements This work was financially supported by the Nation Natural Science Foundation (30571500).
Journal of Stored Products Research, Vol. 33 (1997), p. 7-15 [4] Isman M B.
Pest Management Science, Vol. 64 (2008), p. 8-11 [5] Guiyi Zhang, Lijie Yu and Fengchun Wang.
Chinese Journal of Applied Ecology, Vol. 18 (2007), p. 2910-2914 (in Chinese)

The principle of the alkaline process is that the solubility of comminute materials containing protein in water varies with changing the pH of the mixture[11].
Materials Tubers of Dioscorea opposita Thunb were harvested in July at Jiaozuo, Henan province, China, and stored at 4 ºC until use.
Journal of Food Science 69: 509-514
Journal of Chinese Medicine 6: 111–126
Journal Luminescence 119-120: 132-136

Correlation Analysis between Emission and Impact Factors of Greenhouse Gases Caused by Production of Primary Aluminum Jie Guoa, Feng Gao b*, Zhihong Wangc, Yu Liud, Jiangyuan Hu e and Zhu Li f School of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China aguojie_bks@emails.bjut.edu.cn, bgaofeng@bjut.edu.cn, cwangzhihong@bjut.edu.cn dliuyu@bjut.edu.cn, edyzxhu@emails.bjut.edu.cn, flizhu@emails.bjut.edu.cn Keywords: Primary aluminum, Life cycle, Energy consumption, GHG emissions, Correlation analysis.
QiangYue and Weiqiang Chen conducted the material flow analysis of aluminum in China [12, 13].
Environmental Science & Technology, 2011, 45(22): 9515-9522
Analysis of aluminum cycle from 2003 to 2007 in China, Resource Sciences, Forum Vol. 03 (2010), p. 472-477 [13] Chen W, Shi L, Qian Y.
The International Journal of Life Cycle Assessment, 2007, Volume 12(Issue 4): 217-224.

Materials and Methods Data set.
Trends in Biochemical Sciences, Vol. 6(2010), p. 1371
Journal of Computational Science & Engineering, Vol. 1(2011), p. 22-31
Lecture Notes in Computer Science, Vol. 1(2002), p. 92-103
Journal of Computational Science & Engineering, Vol. 1(2011), p. 47-53.

These years the principle of elastic dynamic is used to determine the various mechanical properties of materials and interior damage of material appearing in previous period.
If the damage cause the material character’s difference between the different segments of the structure,it should be dealed with by subarea according to the various material property.
It is assumed that the density of the material do not change after the damage’s occurence.
Liu, Acoustic elastic technique, 94-104,The Science press, 2002 [3] A.C.Eringen, E.S.Shuhubi, elastodynamics, Acadynamic press New York and London, 1974 [4] S.n.Luo, H.m.Cheng, The propagation waves in concrete with the local damage,The journal of Hunan University(Natural Science Edition), Vol.29, No.2.Apr.2002 [5] H.m.Cheng, Z.y.Cao, A study of wave propagation characters in damaged media,Chinese quarterly of mechanics, Vol.26, No.2, June 2005 [6] Gross.D, Zhang.C.h, Wave propagation in damaged solids[J].
Solids Structures 1992,29(14/15):1763-1779 [7] K.f.Han, X.w.Zeng, Boundry element modeling of elastic waves propagating in the media with randomly distributed cracks, Chinese Journal of Geotechnical Engineering, Vol.28, No.7, July 2006 [8] B.Han, T.Zhang, A study on the amplitude of elastic wave transmission in inhomogeneous media, Transactions of Beijing Institute Technology, Vol.26, No.5, May 2006 [9] S.n.Luo, Z.p.Zhou, H.Tong, The waves propagation in the strip region with the inhomogeneous damage, Journal of vibration and shock, Vol 25, No.5, 2006 [10] Kevin K, Tseng, Liangsheng Wang, Structural damage identification for thin plates using smart piezoelectric transducers, Computer methods in applied mechanics and engineering, 194(2005)3192-3209 [11] Chee Kiong Soh, Suresh Bhalla, Calibration of piezo-impedance transducers for strength prediction and damage assessment of concrete, Smart materials and structures, 14(2005)671-684 [12] Yee Yan Lim, Suresh Bhalla, Chee Kiong Soh,Structural