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Table 1: Physical and mechanical properties of Portland cement Fineness Specific surface (m2/kg-1) Setting time(min) Compressive strength(MPa) Split strength(MPa) Normal consistency Water requirement (% Slot plate screens Initial setting Final setting 3d 28d 3d 28d 26 0.3 341 103 159 35.4 65.2 6.4 9.2 Table 2: Chemical content of main gelled materials (%) Gelled material SiO2 Al2O3 CaO MgO SO2 Fe2O3 Na2O K2O Ignition loss Cement 20.60 5.03 65.06 0.56 2.24 4.39 1.31 Silica fume 93.20 0.51 0.51 0.23 5.56 Fly ash 52.38 32.12 2.16 0.47 .033 4.12 0.26 0.60 1.31 Slag 33.49 12.20 36.34 1060 0.67 1.30 .034 2.17 1.27 Sand: Yellow sand made in Nanjing, its apparent density is 2500kg／m3, bulk density l615kg／m3, slit content 1.0% and fineness modulus 2.72 and it belongs to Ⅱmedium sand.
Air-entraining agent: liquid JM-2000c high-efficient air-entraining agent made in Jiangsu Construction Science Research Institute, its recommended dosage is 0.005-0.001% (mass fraction).
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Research of the vertical vibrations of Tandem Mill based on wavelet analysis Chunhua Ren1,a, *Xu Ma1,3,b, Zeming Li1,c, Yanhong Ding 2.d 1.School of Materials Science & Engineering, Tianjin University of Technology, Tianjin 300384, China 2.
Acknowledgements This work was supported by the National Natural Science Foundation of China(No. 51101113), Key Technology Support Program of Tianjin China (No.12ZCZDGX00600), and Tianjin Natural Science Foundation (No.14JCYBJC16200).
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Journal of Materials Processing Technology. 212 (2012) 954– 961

Nanchang 330012, China 2School of Applied Science, University of Science and Technology Beijing, Beijing 100083, China aWYL1921@yahoo.com.cn, bwu1122334@126.com, cwanglg@yahoo.com.cn Keywords: Building Structures; Bonding with Steel Plate; Simulation Abstract.
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Reliability of 4H-SiC (000-1) MOS gate oxide using N2O nitridation[C]//Materials Science Forum.
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Gigacycle fatigue of different materials Gigacycle fatigue behavior of materials is not constant but varies from material to material.
Mechanics of materials.
SCIENCE CHINA Physics, Mechanics & Astronomy, 2013, 56(3): 617-623
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Recently, the studies and technological measures adopted were mainly reflected in these aspects of the conservation of land, water, energy, material, force and so on [2].
The space of open square and pavement which was made of hard layer materials, such as granite and bluestone with different scale, shape, color and layer processing, generally gave people a deep impression of refined and high standard.
Constructing Green Space with Science and Technology for Cost Saving and Benefit Increasing.
The green space should use local indigenous plants resources and exploit the wild vegetation, especially some perfect greening materials which were tolerant to drought and high temperature.
References [1] Dandan Ma: Journal of Modern Landscape Architecture, Vol. 01 (2009), p. 26 [2] Xianying Hou: Journal of Forest Science and Technology, Vol. 04 (2007), p. 43 [3] Wei Lin: Journal of Landscape, Vol. 01 (2002), p. 19 [4] Yanlin Chen: Journal of Modern Agricultural Science and Technology, Vol. 21 (2009), p. 117 [5] Yang Wu: Journal of Shanxi Architecture, Vol. 04 (2010), p. 219

As the wastes have plenty of calcium based materials, alkaline wastes could be used as new coal combustion sulfur capture sorbent so as to protect our environment [2-6].
Experiments Materials.
Acknowledgment This research was supported by National Natural Science Foundation of China (No. 59976019), Shandong Natural Science Foundation (No.Y2003F07 and No.Y2006F63) and Zibo Research Programme (No.20062502).
Wang, “Study on evaluation regularities and absorption characteristics of sulfur during coal combustion,” Journal of Coal Science&Engineering, vol.4, pp.80-86, January 1999
Chen, “Study on desulfuxization reaction characteristics of calcium based sorbents,” Journal of Combustion Science and Technology, vol. 4, pp. 367-373, August 1998.

The commonly used quick mending materials are shown in Table 2.
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Material model Materials model are composed of various parameters of barrels materials.
According to three-dimensional thermoelasticity coupling model of barrel, we can consider the temperature effects on thermal physical and mechanical properties of engineering materials and refer to engineerings manual.
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Compared to other smart materials and structures, the DESCE is second to only piezoelectric ceramics in this respect.
Basic materials properties as well as performance under space environment - vacuum, temperature, and radiation stability - will be discussed.
Their performance in terms of actuation strain vastly supersedes other EAP technologies and smart materials in general.
Hence metals are attractive as electrode materials for actuators.
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