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In this kind of schemes, keying materials are preloaded into sensor nodes before deployment.
Whenever the new nodes enter the existing network, or failure nodes need replacement, it does not require any new keying material for existing nodes.
Acknowledgements This work is financially supported by National Basic Research Program of China (973 Program) under Grants 2011CB302903, the National Natural Science Foundation of China (Grant No. 61100213), the Key Program of Natural Science for Universities of Jiangsu Province (Grant No.10KJA510035), the Specialized Research Fund for the Doctoral Program of Higher Education (20113223120007), the Science and Technology Program of Nanjing (201103003) and the Postgraduate Innovation Project Foundation of Jiangsu Province (Grant No.
Cheng: Chinese Journal of Electronics vol. 36(2008), p.1389-13958.

Therefore, studying loess foundation treatment technology is significant science meaning and application value for earthquake damage-defense construction project of liquefied loess area, reducing casualties and property loss caused by the earthquake.
However, the loess liquefaction engineering assessment method and liquefaction potential loess foundation processing technology research material is few, the technology and methods is not mature.
Depend on numerous materials, the preliminary research indicates that the Q21and Q1 loess do not have liquefaction potential.
Acknowledgements This paper was financially supported by the National Natural Science Foundation of China (50978239), and the Basic Scientific Research Business from Institute of Earthquake Science, CEA (2012IESLZ07,2012IESLZ01).
Chinese Journal of Geotechnical Engineering, Vol.1(2000) p. 89 “In Chinese”

Then, materials were mixed at low speed for 4 minutes. 3.
“Effects of Shrinkage-Reducing Admixtures on Restrained Shrinkage Cracking of Concrete” Technical Paper, ACI Materials Journal V. 89, No. 32 (1992)
[11] Ole J. y Hansen PF (2001) Water-entrained cement-based materials, PCT Patent Application WO01/02317A1 [12] Ole J. and Per H.
“Water-entrained cement-based materials I.
[13] Ole J. (2011) “Water absorption of superabsorbent polymers in a cementitious environment” International RILEM Conference on Advances in Construction Materials Through Science and Engineering, I CemeSBN 978-2-35158-116-2 [14] Cusson D. et al.

In this study, with iron ore tailings and CaO as raw materials, three belite cement clinker samples were prepared in a muffle furnace at 1400℃ for 10, 20 and 30 minutes respectively.
From700℃ to 1100℃ the sample weight tends to be stable, followed by slight weight loss when temperature was passing 1250℃, which may be caused by volatilized materials loss with air flow, such as K, Na, S, Cl and some other elements.
Mechanic-chemical activation of iron Ore tailings and preparation of high-strength construction materials, Journal of University of Science and Technology Beijing. 32(2010)504-508
Experiment studies and mechanism analyses of Portland cement with iron-tailings as raw materials, Bulletin of the Chinese Ceramic Society. 6(1999)65-68
Experimental research on preparation of cementing materials with iron tailings, Metal Mine. 12 (2010)175-178

There are lots of evidences in the literatures [1-9] indicating that grain boundary plays important roles in the mechanical behavior of polycrystalline materials.
This work will help us to understand deeply the damage and fracture mechanisms and their processing of the polycrystalline materials. 2.
For polycrystalline materials, lots of grain boundaries exist in material, so it is difficult to predict the stress distribution near the grain boundary.
In order to discuss the mechanism of material, it is concluded that homogenous assumption for polycrystalline materials is not suitable to study the meso mechanisms of the damage and fracture and their detail processing.
It is concluded that homogenous assumption for polycrystalline materials is not suitable to study the meso mechanisms of the damage and fracture and their detail processing.

The building is made up of various materials.
Secondly, the science of house pattern design.
The selection of building materials and equipment Currently the utilization of low carbon building materials has already been developed to a certain extent, such as the use of green materials, the promotion of wall materials and products required by self-warm-keeping and the development of functional materials and composite materials.
Classified Dismantlement If construction materials cannot be classified before dismantlement, all kinds of materials are mixed up, and then, mixed wastes are produced.
Journal of Environmental Management,2009(9):2436~2447.

Prospect of Popularizing the New Urbanism The composition of the urban landscape can be divided into material and spiritual elements, both of which interact to form the urban morphology.
Landscape design with artistic conception A charming scenic owns not only the value of zoology, aesthetics, culture, science and entertainment, but also sites identity and social values which display its image and taste.
References [] Emily Talen: Charter of the New Urbanism/Valuing the New Urbanism (Book Review), Journal of the American Planning Association, Winter2001, Vol.67 Issue 1:110-112 [2] Ma Qiang: The Recent Years Research Development on “TOD” in North America, urban planning overseas.5,18(2003) [3] Song Junling and Ni Wenyan, translator, Lewis Mumford, author: The City in History—A Powerfully Incisive and InfluentialLook at the Development of the Urban Form through the Ages, China Architecture and Building Press, Beijing 461-537(2005) [4] Rong Wujie and Zhou Hong: Remodel the Charming of City Life—about the Relationship between Commercial Area and Living Communities, Architectural journal, 2, 22—24 (2002) [5] Wang Lijun and Shu Ping, editors: Typology of Architecture, Tianjin University Press, Tianjin, 1-84 (2004) [6] Chen Zhen and Gao Wenyan, translators, Cliffmoughtin, editor: Green Dimensions, China Architecture and Building Press, Beijing, 129-180 (2004) [7] Chen Fang: New Urbanism
in Marginal Community—Design Notes on Wan Ke Si Ji Xin Cheng, Architectural journal, 1, 56—58 (2001) [8] Hong Liangping, editor: The History of City Design, China Architecture and Building Press, Beijing, 80-178(2002)

When the upper die is moving down, the material of the billet in the die gap will be forced simultaneously into the upper die orifice and the lateral gap.
Acknowledgement This paper is supported by the National Natural Science Foundation of China (No. 60304015 and 50575142).
International Journal of Production Research, Vol. 38, No. 10 (2000), p. 2309-2325
International Journal of Production Research, Vol. 37, No. 2 (1999), p. 433-445
International Journal of Production Research, Vol. 42, No. 2 (2004), p. 337-354

On condition that geometry size and material elastic parameters of members can be obtained precisely, the connecting stiffness between the spherical nodes and members play important role for precision of the finite element model.
Research Progress Made on the Health Monitoring for Large-Type Bridges, China Railway Science, Vol.26,No.2 (2005), p.1-7 (in Chinese) [2] Zhang Q.
Conception of Long-span Bridge Health Monitoring and Monitoring System Design, Journal of Tongji University,, Vol.29,No.1,( 2001),p.65-69 (in Chinese) [3] Qu W.L., Teng J. et al.
Intelligent Health Monitoring for Roof Space Truss Structures of the Shenzhen Citizen Center Under Wind Load, Journal of Building Structures, Vol. 27,No.1,( 2006),p. 1-8 (in Chinese) [4] Uematsu Y., Kuribara O. et al.
Wind-induced Dynamic Behavior and Its Load Estimation of a Singer-layer Latticed Dome with a Long Span, Journal of Wind Engineering and Industrial Aerodynamics,Vol. 89,(2001),p.1671-1687 [5] Qu W.L., Huang D.M.

The soil structure or cement material will be destroyed by micro-cracks and the strength will decrease significantly with the cracks deepen and lengthen.
References [1] Hanfang Huang: Science and Technology of West Regions in China Vol. 7 (2008), p. 7 (In Chinese) [2] D.G.
(In Chinese) [4] Chengren Xiong, Baochen Liu, Jiasheng Zhang, Duowen Liu: Bulletin of Soil and Water Conservation Vol.23 (2003), p. 195 (In Chinese) [5] Heping Yang, Rui Zhang, Jian-long Zheng: Chinese Journal of Geotechnical Engineering Vol. 28 (2006), p. 1936 (In Chinese) [6] Runqiu Huang, Guoqing Qi: Chinese Journal of Geotechnical Engineering Vol. 26 (2004), p. 216 [7] Honglei Yin, Qian-jun Xu, Zhong-kui Li: Journal of Hydraulic Engineering Vol. 39 (2008), p.568 (In Chinese)