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Ring the outer wall of the outer casing is provided with a plurality of air holes (27), and covered with a membrane (28), this design can make the temperature, humidity, humidity collecting ring internal temperature and placed into the environment parameters of underground after the completely consistent, makes the measurement results more accurate, reliable, and membrane (28) can be effectively prevent soil material fall into the collecting ring cause equipment damage.
Acknowledgements The work was supported by the science foundation of Hebei Province.
Project ID is 13214102D, and the work was supported by the Project of the Science and Technology Bureau of Langfang city.
International Journal of Sensor Networks. 2006 [3] SHIGERU Saito, KIYOSH I Fukaya.
Journal of Power Sources, 2006 (158): 1166-1172

Truss structural optimization based on globally convergent version of MMA Lihua Guo1, a, Wencheng Tang2 1School of Mechanical and Electrical Engineering, Suzhou University of Science and Technology, Suzhou, China 2School of Mechanical Engineering, Southeast University, Nanjing, China alihuaguo2008@163.com Keywords: The globally convergent version of MMA (GCMMA), Lagrange dual method, Sequential Unconstrained Minimization Technique (SUMT), truss structural optimization Abstract.
All members are made of steel: the material density and modulus of elasticity are 2768kg/m3 and 68.9Gpa respectively.
Acknowledgements This work was financially supported by Collegiate Natural Science Fund of Jiangsu Province (11KJB460009).
Svanberg: International Journal for Numerical Methods in Engineering.
Svanberg: SIAM Journal on Optimization.

Design of Tunable F-P Filter Driver Based on FPGA Xu Hana, Peng Wangb, Siwen Caic, Yanling Xiongd, Kaiyu Zhange College of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin, 150080, China aemail: hanxumax@163.com, bemail: wpkunpeng@163.com, cemail: 748713310@qq.com, demail: xyling1964@163.com, eemail: gotoayu@126.com Keywords: Tunable Fabry-Perot Filter; Diver; Field Programmable Gate Array; Direct Digital Synthesizer Abstract.
Acknowledgement This work was supported by Youth Foundation of Harbin University of Science and Technology (2011YF014).
References [1] Hsu Jui-ming，Lee Cheng-ling，Huang Po-jung，et al．Temperature sensor with enhanced sensitivity based on photonic crystal fiber interferometer with material overlay [J]．IEEE Photonics Techonolgy Letters，2012，24(19)：1761-1764
，et al．Fiber optic displacement sensor for imaging of tooth surface roughness [J]．Measurement Journal of The International Measurement Confederation，2013，46(1)：546-551
[4] JIA Zhenan，LIU Jing，QIAO Xueguang，et al．A demodulation technology based on digital tunable FP filter for fiber Bragg grating sensing signals [J]．Journal of Optoelectronics Laser，2011，22(5)：649-651

However, for forming tools hardened material is applied.
Vucetic, Sheet-Bulk Metal Forming of Symetric and Asymetric Parts, In: Advanced Materials Research Vol. 769, Trans Tech Publications, Switzerland, 2013, pp 229-236 [2] R.
Opel, Investigations on orbital forming of sheet metals to manufacture tailored blanks with a defined sheet thickness variation, In: Advanced Materials Research Vol. 769, , Trans Tech Publications, Switzerland, 2013, pp 157-164 [3] M.
Lee, A simple method of eliminating residual tensile stresses in the grinding of low carbon steels, International Journal of Machine Tools and Manufacture, Volume 31 No. 3, 1991, pp 425-434 [10] C.
Barlat, Correlations between nanoindentation hardness and macroscopic mechanical properties in DP980 steels, Materials Science & Engineering A, Issue 597, Amsterdam, Elsevier, 2014, pp 431-439 [12] B.

Materials and methods materials and equipment Fresh eggs, purchased from the north wholesale market; Food grade konjac gum, K-food grade carrageenan, Zheng zhou dynasty chemical products co., LTD.
Food grade cumin oil, Beijing north sunlight food additives, food materials factory.
Experiment Materials And Fabrication Methods of whole dried eggs production Make an fresh egg into uniform egg liquid, filtering refine it with a small screen.
Food Science and Technology, 2013, 38(7): 298-303
Journal of food and biological technology, 2013, 32(1)

In this study, the stress measurement technique of single crystal materials was adopted for the solution of this fundamental problem [2, 3].
Introduction Titanium is one of the most important materials in industrial fields with the advantageous properties such as light weight, corrosion resistance, antibacterial and so on.
Refai MUSLIH, Takao Hanabusa: Ti-2007 Science and Technology, (2007), pp.793-796 [2] A.
[3] Ayumi Shiro, Masayuki Nishida, Tian Jing: Ti-2007 Science and Technology, (2007), pp.247-250
[4] Takao Hanabusa, Masayuki Nishida, Daiki Tadashige: "X-Ray Stress Measurement of Coarse Grained Cast Aluminum", International Journal of Modern Physics B, Inpress

Materials and method Materials.
The material of gears was 20Cr.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (50635030) and China Postdoctoral Science Foundation funded project (20100481211).
Jing and G.Meng: Engineering Failure Analysis, Vol. 15(4)： (2008), p. 420-429 [2] J.Dahlgerg and B.Alfredsson: International Journal of Fatigue, 30(9) (2008), p. 1606-1622 [3] X.Lu and S.L.Zheng: Material Science Engineering, Vol. 488(1-2) (2008), p. 55-63 [4] B.Afredsson, J.Dahlberg and M.olsson: Wear, Vol. 264(9-10) (2008), p. 757-762 [5] L.Q.
Song and L.Chen: Materials Science and Technology, Vol. 6(12) (2006), p. 561-568

The subject of the paper is to present additional knowledge and data on the sulfate attack of cement based materials.
The chemical compositions of these materials are shown in Table 1.
Acidic attack of cement based materials-a review.
Construction and Building Materials, 15(2001) :331-340 [3] N.Bouzoubaa, M.H.Zhang, V.M.Malhotra.
Journal of materials in civil engineering/July-August 2001

Introduction Magnesium alloys are the most attractive among the materials group because of their low density [1-3].
[2] Mordike B L, Ebert T: Materials Science and Engineering A Vol. 302 (2001), p 37
[3] Kinji Hirai, Hidetoshi Somekawa, Yorinobu Takigawa, Kenji Higashi: Materials Science and Engineering A Vol.403 (2005), p276
De Marco: Materials Science and Engineering A Vol.462 (2007), p393
Sato, and H.Kokawa: The Minerals, Metals & Materials Society and ASM International Vol. 41A (2010), p1016

Preparation and nonlinear optical property of triazole-based fluorene functional polymer Xiaoli Ji1,2, Shanyi Guang1, Xinyan Su1, Hongyao Xu1* 1 College of Material Science and Engineering & State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai, 201620, China. 2 Department of Chemical Engineering, Anhui University of Science and Technology, Huainan, 232001, China *Corresponding author, hongyaoxu@163.com Keywords: Fluorene, Polytriazole, Click Chemistry, Nonlinear optical property Abstract.
Introduction With the rapid development of laser technology, organic materials with good nonlinear optical property have been prepared and used for optical communication, optical limiting, optical data storage, information processing, and so on[1-2].
The new organic materials with high third-order optical nonlinearities and their controllable preparation have been the challenge for their development and application of nonlinear optical materials.
Experimental Section Materials.
Vanstryland: Ieee Journal of Quantum Electronics. 760-769 (1990), 26