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Due to the limited experimental condition, in this paper we determine damping coefficient referring to related materials [9].
Acknowledgements This work is supported by the Foundation of Zhejiang Province Science and Technology (NO.2009C11039), and Wenzhou Industrial Research and Development Project (NO.
[2] Lilan Liu, Hongzhao Liu and Ziying Wu: Journal of Agricultural machinery Vol. 41 No. 11 (2010), p. 212-218 (In Chinese)
[3] Dong Liu, Tao Tao, Xuesong Mei and Dongsheng Zhang: Chinese Journal of Scientific Instrument Vol. 31 No. 4 (2010), p.782-788 (In Chinese)
[7] Shuanghui Hao, Jinghe Shi, Minghui Hao and Yoshio Mizugaki: Journal of Advanced Mechanical Design, system, and Manufacturing Vol. 4 No. 6 (2010), p.1158

Acknowledgements This research is supported by Natural Science Foundation of China (No. 51175296).
References [1] Ting Zhong, Benyong Chen: Laser Journal Vol. 28(2007), p.10-12 (in Chinese) [2] Zhanhua Huang, Huaiyu Cai: Opto-Electronic Engineering Vol. 3(2002), p.58-61 (in Chinese) [3] W.Wang , X.X.
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Of IEEE Industrial Electronics, Nov. 2007, p. 2225 - 2229 [8] S M Yang: Sensors Journal Vol. 9(2009), p. 1872 - 1878 [9] Hara Y, Kosaka A, Masuda S: “Position sensing device for determining a relative position of a magnet with respect to a magnetic field sensing element pair”in US Patent 7248037B2, Jul.2007 [10] Schott C, Racz R, Betschart F: “A new two-axis magnetic position sensor”in First IEEE International Conference on Sensors, 2002, p. 911 - 915

[4]Nazaroff WW，Singer BC（2004）.Inhalation of hazardous air pollutants from particle TEAM study in Riversid PG,California,Journal of Expsure Analysis and Enviromental Epidemiology, 6:57-78 [5]JIANG Da-hua,LI Xian-wei,Li Hui.The Numerical Analysis of Two Ventilation Modes in Public Building Kitchens[J].
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Applied Mechanics and Materials, Vol. 543(2014), p.2120

Material and Method 2.1 Raw Material Paraffin was chosen as oil phase to prepare the W1/O/W2 multiple emulsion.
European Journal of Pharmaceutics and Biopharmaceutics, Vol. 58(2004), P.477
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Journal of Membrane Science.

Acknowledgements This current study is supported by the National Science Council, contract 100-2221-E-152-003 and 102-2221-E-152-005.
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The main steps of model building is, *set was used to input parameters, element and material properties, building the key point of the section, generating the section by the key point, dividing the mesh of the section, establishing the spiral lines of the screw self-locking, defining the mesh size and generating the element of spiral self-locking layer.
The modeling parameters include inner diameter of the pipe, thickness of each layer, shape coefficient of spiral armored layer cross section, spiral laying angle, length and material parameters of each layer.
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International Journal of Mechanical Sciences 51(4): 295-304 (2009)

Study on the Evolution of Welding Residual Stress under Tension Loading Condition Jitai NIU a , Cheng JIN b and Shiyu HE School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, P.R.China a jtn@hit.edu.cn, bjincheng@126.com Keywords: Welding; Residual stress; Evolution; Tension load.
Experimental procedure Materials and welding condition.
Fig. 1 Butt weldment dimension Table 1 TIG welding conditions Filler wire material Filler wire diameter Tungsten electrode diameter Welding current(AC) Wire feed rate Argon flow 5A06 3mm 2.5mm 120-130A 60-70 mm/min 7L/min 20 )( 2 1 d d E A γ+ −= (1) ])(3)( 1 4 [ 2 1 40 20 d d d d E B − + + −= γ γ (2 ) 1 3 1 3 1,2 4 4 cos(2 ) A B ε ε ε ε σ β + − = ± (3) 1 2 1 3 1 3 1 2 ( ) 2 tg ε ε ε β ε ε − − − = − (4) Fig. 2 Measure residual stress by hole-drilling method Results and discussion The residual stress is measured before and after tension test as shown in Fig. 3.
Acknowledgement This work was supported by the National Natural Science Foundation of China (No. 90205035).
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Synthesis of NdFeO3 Perovskites in A Reverse Microemulsion and Its Visible Light Photocatalytic Activity Ying-juan Haoa, Bo Lib, Rui-hong Liuc, and Fa-tang Lid College of Science, Hebei University of Science and Technology, Shijiazhuang 050018, China ayingjuanhao@126.com, biceberglibo@163.com, cliuruihong73@126.com, dlifatang@126.com Keywords: NdFeO3, reverse microemulsion, photocatalytic activity Abstract.
Introduction A typical ABO3-type perovskite structure material has been demonstrated to be promising inorganic materials in photocatalysis field because of its narrow band gap and high absorptivity for sunlight [1-3].
Experimental Analytical grade Nd(NO3)3·6H2O, Fe(NO3)3·9H2O, cyclohexane, Triton X-100, n-butanol and acetone were used as starting materials without further purification.
Porta et al. [7] indicated that the structure and redox properties of NdFeO3 perovskites were similar to those of LaFeO3 perovskites which have been demonstrated to be one of excellent photocatalysis materials.
Li et al: Chemical Journal of Chinese Universities, Vol. 28 (2007), p. 415 (in Chinese) [2] V.

Introduction Graphene, a single layer of sp2-bonded carbon atoms, is one of the potential materials for the realization of flexible electronics due to its extraordinary electrical and optical properties [1-5].
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Rao, Journal of Physics: Condensed Matter, vol. 23, no. 055303, p. 1, 2011 [16] A.