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Acknowledgments This work was financially supported by the National Natural Science Foundation of China (51176067), and the Ph.D.
Benzene: A secondary pollutant formed in the three-way catalyst, Environmental Science and Technology. 39 (2005) 331-338
Non-thermal plasma for diesel exhaust treatment, Journal of Electrostatics. 57 (2003) 251-262
Destruction of acenaphthene，fluorene，anthracene and pyrene by a dc gliding arc plasma reactor, Journal of Hazardous Materials. 180 (2010) 449-455
Simultaneous removals of NOx，HC and PM from diesel exhaust emissions by dielectric barrier discharges, Journal of Hazardous Materials. 166 (2009) 523-530

The material of making chlorine sensor almost contains dyes that can generate nonferrous group after reacting with chlorine and the organic sensitive material that can lead to changes in optical properties after reacting with chlorine.
The classification and application of gas sensor, Science and Technology guide, 2011, pp.37, 70 [2] Xuntao Li, Xianfen Yu, Jiawen Hu, et al.
The design poisonous gases wireless monitoring network, Journal of transducer technology, Vol.23, 2010, pp.888-892 [3] Zhaoming Sun.
Several Important Gas Sensor and Its Development Direction, Journal of North China Institute of Science and Technology, Vol.6, 2009, pp.117-118,122 [5] Xiaomei Wu, Li Li, Junliang Li, et al.
Journal of Braz Computer Society, 2012, 18:19-27 [11] Liu Jia, Lixin Wang.

Through establishing a set of practice material especially the practice instruction, arranging the key content and making practice questions, checking the internship diary and decorating special reports, strengthening the performance appraisal of practice and other measures, to help students actively participate in construction activities and solve practical issue.
Through cultivating talents for some large-scale construction enterprise, develop science and technology service and hold academic exchanges, our school has already built 20 long-term practice base units.
Journal of Hunan University of Science and Engineering, 2006(01) [2] Liu ming jiu, Li you yong, Chang jing ling, Ru zhen gang.
Journal of Henan Institute of Science and Technology, 2010(04) [3] Zhang hong tian, Zhang hui yan, Guo xiu ying, Zhang qing jiu.
Journal of Social Work, 2007(01)

Stress Analysis on Saw Blade of Hot Sawing Machine Yinghua Xiang1, a, Xiaoguang Yu1, b 1University of Science and Technology Liaoning, Anshan, Liaoning, PR China, 114051 a yhxf726@sina.com, b yuxiaoguang58@163.com Keywords: Hot Sawing Machine, saw blade, FEM, four bar mechanism Abstract.
To customers of using saw blade, purchase saw blade Material cost is saved, smaller saw blades can be chosed and energy and equipment cost are all saved.
It’s widely used in many industries for modeling simple, fast, and convenient and plays a large role in national economic constructing and science and technology developing.
Analysis on the Tooth Shape of the Saw Blade, JOURNAL OF UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING, 2002, 24(1): 69-71 [3] Y Chen, X G Wang, C Sun, F Devine, C W De Silva．Active vibration control with state feedback in woodcutting[J], Journal of Vibration and Control, 2003, 9(6): 645 [4] Y.Xiang．Vibration of circular Mindlin plates with concentric elastic ring supports, International Journal of Mechanical Sciences, 2003, 45(5): 497-517 [5] Ni Dong, Duan Jin, Xu Jiucheng.

Industrial material secondary alkyl sulfate was selected as the typical pollutant because it is easily soluble in water and less volatile.
Estuarine, Coastal and Shelf Science, Vol. 73 (2007), p. 188-200
Journal of Computational Biology, Vol. 7 (2010), p. 895-906
Journal of Marine Systems, Vol. 96-97 (2012), p. 103-115
Journal of Hydrodynamic, Vol. 22 (2010), p. 760-772

Industrial material secondary alkyl sulfate was selected as the typical pollutant.
Lucie Estuary: Estuarine, Coastal and Shelf Science.
Modeling algae growth in an open-channel raceway: Journal of Computational Biology.
Journal of Marine Systems.
Fine silt particle pathline of dredging sediment in the Yangtze River deepwater navigation channel based on EFDC model: Journal of Hydrodynamic.

Acknowledgments This study was partially supported by science and technology Major projects of Zhejiang province.
Journal of Mechanical Engineering: 2006, 42(3): 30~35 [2] Guo Bizhu.
Journal of Mechanical Engineering: 2009, 45(12): 89~93 [4] Ling Dan.
Chengdu:University of Electronic Science and Technology of China, 2010: 15~32 [5] Guo Peng,DAVID Infield,Yang Xiyun.
Journal of Zhejiang University: Engineering Science, 2011,45(10): 1815~1820 [7] Pan Difu,Liu Hui, Li Yanfei.

Through the bearing material and size data and bearing load to calculate the above four value [4].
Acknowledgment Project supported by National Natural Science Foundation of China (51205122), National Defense Basic Research Program of China (613124-9), Pre-research project (625010339), Science and Technology Planning Project of Hunan Province (2011SK3124), Ph.D Start Fund (E50925), also from CEEUSRO Special Plan of Hunan Province (2010XK6066), Aid program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province, are gratefully acknowledged.
[2] Zongzheng Liu, Ken Chen, Zhenhua Chen, Yan Chen, Yuanlin Huang: Measure and analysis about vibration characteristic of roller bearing fault Machinery Journal of Design & Manufacture. (03) (2009), p. 103-105 [3] Huayong Wu, Xiuhua Xu: Study on Contact Forces of Deep Groove Ball Bearing Based on ADAMS.
Journal of Bearing. (02) (2009), p. 1-4 [4] Lijun Zhu, Jing Tan, Dishan Huang, Yang Xu, Huiyan Fu: Simulation Analysis of Deep Groove Ball Bearings Based on ADAMS.
Journal of Bearing, (02) (2011), p. 3-6 [5] Binglin Zhong, ren Huang: Introduction to machine fault diagnosis. beijing China Machine PRESS (2007).

Valley filler, formed by material after cutting mountain, is composed of gravel, sand, silty soils and clay soil.
Table 1 Calculation parameters Materials volume weight [KN/m3] elastic modulus [GPa] poisson ratio cohesion C [KPa] internal friction angle [°] surrounding rock 1 20 / 0.45 10 28 surrounding rock 2 25 3.18 0.1 1800 40 retaining wall 23 0.6 0.16 / / tunnel lining 26 50 0.17 / / Analysis of numerical simulation results.
Acknowledgements This work was financially supported by Chongqing Science and Technology Construction Program (Chengkezi 2011, 2-12) in the Chongqing Natural Science Foundation (CSTC, 2010BB0333).
Vol. 26 (2002), P. 217 [3] Bo We, Weining Liu, Xiaoming Suo, et.a1: Journal of Railway Engineering Society.
Vol. 4 (2007), P. 127 (In Chinese) [5] Peng Zhang, Zhongsheng Tan: Journal of Beijing Jiao Tong University.

So first, we will introduce what is the circular birefringence of material. 1.2 The concept and the mathematical expression of circular anisotropy In nature, there are many materials with asymmetric structure have anisotropic dielectric permittivity, which causes the optical anisotropy.
Some materials have a special optical properties, their absorption coefficient or refractive index are not the same for left and right circularly polarized lights, which is called as optical circular anisotropic media, also including the circular dichroism and circular birefringence.
For isotropic materials, al=ar and nl=nr.
Acknowledgements This research is supported by the Natural Science Foundations of China under Grant No. 60867001, College Science Foundations of Inner Mongolia, China under Grant NJZZ07007, the “211 Project” Innovative Talents Training Program of Inner Mongolia University, China.
TG28 Faraday Rotator Glass [J].Chinese Journal of Laser 1996, 23 (9) : 857 (in Chinese) [6] Ballato J,Snitzer E.