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Introduction Composite materials have many interesting properties such as light weight, high strength, high stiffness and fatigue performance, compared to metals, which make them very attractive for engineering fields.
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Journal of Sound and Vibration, 2006, 291:802–823
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Journal of chengdu university of technology, 2004,14 (4) : 36-39
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The present situation and problems to cultivate e-commerce application-oriented persons application talents of universities in China [J].Journal of modern education science, 2008(1): 138-139 [6] HanLin Ji, Hui Zhang.
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Fig.1 Multi-point excitation, single-point vibration picking（left）;Single-point excitation, multi-point vibration picking(right) 2 Materials and methods Hydraulic support(type: ZFS7200 ) same as in the field is used in our laboratory. 3560B portable vibration/sound signal detector (B&K, Denmark) including PULSE software,4508 acceleration sensors,8206 hammer force sensor is used for data collection and analysis.
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Journal of China Coal Society,2003, 28(1) : 86-90
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Materials and Methods Site description This study was carried out in Miaoshanwu Forest Ecosystem Research Station in Fuyang County, Zhejiang Province, China (119056′-120002′E, 30003′-30006′N).
RISF6152); the key innovation teams of Science and Technology of Zhejiang Province (Grant No. 2010R50030);and Natural Science Foundation of Zhejiang Province (Grant No.
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Introduction As people raise environmental awareness and concern of reusable materials, more and more researches in erasable type of printed material (supplies) have been explored.
Experimental Design Experimental Materials.
So TiO2 will be a potential new erasable type environment-friendly printed materials.
Acknowledgment The work is supported by the National Natural Science Foundation of China (No. 60972134).
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Introduction Today in the world only wood can be recycled, recyclable and can be natural degradation, so the wood is the only green material in four materials[1].
Acknowledgements This research were supported by the National Natural Science Foundations of China.(10871056) and by Heilongjiang Province Science Foundation.
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Joseph, Development and characterization of liquid carbon fibre reinforced aluminium matrix composite, Journal of Materials Processing Technology. 209 (2009) 4809–4813
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Experimental materials.
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By considering the treatment method of foundation, the two-way weight coefficient method of material characteristic factors to calculate, the specific method is as following: First, defining the elastic modulus of the foundation treatment materials and the deformation modulus of soil, and then according to the treatment methods of foundation, materials and area ratio or replacement ratio of each material in the soil weight, deformation modulus of foundation treatment layer are obtained: (2) Where = deformation modulus of foundation treatment layer; =foundation treatment materials and deformation modulus of soil; = weight coefficient of area from different materials or replacement ratio.
Main materials used in calculation are concrete and foundation soil.
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Xiao: Fujian Building Materials, Vol. 1 (2010) No.4, p. 84.
Zeng: Journal of China Coal Society, Vol. 1 (2004) No.3, p. 284.

R. china 2Key Laboratory of Display Materials & Photoelectronic Devices, Ministry of Education, School of Materials Science and Engineering, Tianjin University of Technology, South Hongqi Road Extended Line, Nankai district, Tianjin 300384, P.
Indoor air pollution comes from surface decoration materials and outdoor smoke pollution.
High level of formaldehyde (HCHO) is released from these materials continuously.
Corresponding Author: Xiao Yu Zhou, Key Laboratory of Display Materials & Photoelectronic Devices, Ministry of Education, School of Materials Science and Engineering, Tianjin University of Technology, South Hongqi Road Extended Line, Nankai district, Tianjin 300384, P.
The International Journal of Tuberculosis and lung Disease 14 (2010) 1079-1086