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Acknowledgements This work was supported by the National Natural Science Foundation of China (under Grant Nos. 41172277, 40202036, 40572163), Sichuan Provincial Found for Replacement of Academic and Technical Leader (under Grant No. 2009), the Specialized Research Fund for the Doctoral Program of Higher Education of China (under Grant No. 20095122110006) and the Key projects of Sichuan Provincial Department of Education (under Grant No. 07ZA009).
Collins: Flow of Fluids through Porous Materials (The petroleum Publishing company, Tulsa 1976)
Kong: Advanced Mechanics of Fluids in Porous Media (Press of University of Science and Technology of China, Hefei 1999) (In Chinese)
Wang: Journal of East China Geological Institute Vol. 23 (2000), p.229.
Zhao: Journal of Chengdu University of Technology Vol. 31 (2004), p.183.

Fig. 2 Cross-sectional view of the electric field intensity distribution Optimization In order to prevent the breakdown of air gap under over-voltage, this paper adopts the method of adding insulating jacketto cable connector head, among them, the insulating jacketis made of silicone rubber materials, and its shape is closely glued to cable connector head.The insulating jacket used as shown in Fig.3.
Journal of Hubei University of Economics (Humanities and Social Sciences), 2011, 11, VOL.8 NO.11, 21-26
Journal of University of Science and Technology Beijing, 2012, 8, Vol.28, No.2, 51-59

The Design of Freeform Surface Fresnel Lens Used for LED Uniform Illumination Yidan Dai1,2,a, Enshi Qu1,b, Liyong Ren1,c,Xinchao Du1,2,d, Haijuan Ju1,e 1Xi’an Institute of Optics and Precision Mechanics of Chinese Academy of Sciences, Xi’an 710119, P.R.China 2University of Chinese Academy of Sciences, Beijing 100049, P.R.China adyd-1218@163.com, benshiqu@163.com, crenliy@opt.ac.cn, dduxinchao@opt.ac.cn, ejhjcumtgx@163.com Key words: Fresnel Lens, Freeform Surface, illumination uniformity, thermal diffusivity Abstract.
Then remove the optical materials as much as possible, but retain the surface curvature.
Lee: China Illuminating Engineering Journal.
[11] Qingfei Qiao, Feng Lin: Journal of Applied Optics.

Acknowledgment This research is financially supported by the National Science Foundation of China under grant No. 51075126.
International Journal of Mechanical Sciences,1999,41: 1301-1322 [2] Hu Zhanqi, Zhao Wu.
Chinese Journal of Mechanical Engineering, 2005, 41(1): 230~233 [3] Zhao Wu.
Key Engineering Materials, v 455, p 575-579, 2011.

Application of Optical Brightening Agent in Wet End and Surface Sizing Hui Li Wanga, Zhe Wangb, Wen Xia Liuc, Lepan Caod Key Laboratory of Pulp & Paper Science and Technology (Shandong Polytechnic University), Ministry of Education, Jinan, 250353 awanghuili77@126.com, bwangzhe200304@yahoo.com.cn cwenxialiuliu@yahoo.com.cn, dcaolepan@126.com Keywords: Optical Brightness Agent; Wet End; Surface Sizing; Brightness Abstract.
Experimental Materials A hardwood bleached kraft pulp (HBKP) and aspen BCTMP were obtained from a pulp mill in Canada.
References [1] K Zhu, L S Mao: Journal of Chemical Industry & Engineering Vol. 25 No.6 (2004), p20-22 [2] H J Zhang, H R Hu, D J Wei: Transactions of China Pulp and Paper Vol.23 No.4 (2008), p. 32-36 [3] L P Cao: Paper Chemicals Vol.23 No.4 (2011), p. 5-8 [4]X Q Zhang, H Y Qiu: Heilongjiang Pulp & Paper Vol.23 No.3 (2007), p. 53-55 [5] H Zhang, H Zhang: Pulp & Paper-Canada.
Vol.110 No.8 (2009), p. 20-24 [6] H J Zhang, H R Hu, Z G Xu: Appita Journal.
Vol.62 No.5 (2009), p. 355-359 [7] Stana K K, Pohar C, Ribitsch V: Colloid & Polymer Science.

In 1859 Besant started this branch of science by analyzing an empty bulb in infinite fluid [1,2].
For plate *MAT_PLASTIC_KINEMATIC was chosed as material model.
Strain rate effects has taken into account by using the Cowper- Symonds relation: [1] (7) In Eq.7 is the static yield stress and “D” and “n” are constants which differ for materials.
Bhujanga Rao V.: Non-linear transient dynamic response of rectangular plates under shock loading, International Journal of Impact Engineering Vol. 24 pp. 999-1015 (2000)
Sheikhi Koohsar: Investigation of Strain rate in Circular Plates under Dynamic Loading by Introducing Dynamic to Static Collapse Pressure Ratio, Journal of Energetic Materials Vol.5, No.2, pp.73-79.

Material and making.
The ordinary portland cement 42.5R is adopted as grouting material, and the cement adding amount is about 25~27kg/m, i.e., 30%.
Cheng.: Chinese Journal of Rock Mechanics and Engineering Vol.11 (2005), p. 23-25
Zheng.: Chinese Journal of Geotechnical Engineering Vol. 1(1998), p. 13-15
Chen.: Chinese Journal of Geotechnical Engineering Vol. 29(2007),p. 1439-1443

., the samples cored wires were manufactured in the laboratory conditions using appropriate powder materials and as a carbonfluoride contained material were used the dust from gas purification of aluminum production.
That is why developing materials and innovation technologies of recovering, that greatly increase wear resistance of the items, is an actual purpose today.
Journal of Manufacturing Processes. 16 (2014) 4-25
IOP Conference Series: Materials Science and Engineering. 127 (2016) 1-7
IOP Conference Series: Materials Science and Engineering. 125 (2016) 1-7

And many new technologies, processes and materials are adopted and applied during construction, which brought higher requirement for construction safety management[5]. 3.2 Application and practice “Jiangsu academy of safety science and technology” was entrusted by the development organization of Taizhou Bridge to be the consultant agency.
Safety Science, 2005,43(10):589-611
China Safety Science Journal 2009 ( 5): 56~ 60 [7] Kan You-jun, LIU Xiao-yong.
Journal of Safety Science and Technology, 2010,6(2):157-162
Journal of Highway and Transportation Research and Development(Application technology edition) , 2009（2）：172~175

Materials and methods Sediments.The length of Tiaozi River in Liaoning Province is 64.4km, and 5 sediment collection points are set at upper, middle and lower reaches of Tiaozi River to collect sediment samples (0 ~ 20cm).
Journal of Liaoning Technical University. (2006)951-954
Chinese Journal of Applied Ecology. (2005)175~179
Chinese Journal of Applied Ecology. (2007)1346-1350
Journal of Environmental Sciences,( 2007)719-724