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Journal of Materials in Civil Engineering, 2010; 12
Journal of Materials Research 2012, 15(4): 1-11
Surface and interface of materials [M].
Construction Build Materials, 2009, 23: 507-514
Construction and Building Materials, 2012, 28: 599–606

Valley filler, formed by material after cutting mountain, is composed of gravel, sand, silty soils and clay soil.
Table 1 Calculation parameters Materials volume weight [KN/m3] elastic modulus [GPa] poisson ratio cohesion C [KPa] internal friction angle [°] surrounding rock 1 20 / 0.45 10 28 surrounding rock 2 25 3.18 0.1 1800 40 retaining wall 23 0.6 0.16 / / tunnel lining 26 50 0.17 / / Analysis of numerical simulation results.
Acknowledgements This work was financially supported by Chongqing Science and Technology Construction Program (Chengkezi 2011, 2-12) in the Chongqing Natural Science Foundation (CSTC, 2010BB0333).
Vol. 26 (2002), P. 217 [3] Bo We, Weining Liu, Xiaoming Suo, et.a1: Journal of Railway Engineering Society.
Vol. 4 (2007), P. 127 (In Chinese) [5] Peng Zhang, Zhongsheng Tan: Journal of Beijing Jiao Tong University.

Experimental Section Materials. hydrogen peroxide(30%), hydrochloric acid(37%), sodium hydroxide(NaOH), titanium potassium oxalate, ferrous sulfate heptahydrate(FeSO4·7H2O), dimethyl sulfoxide(DMSO), pyrogallic acid, tris hydroxy methyl aminomethan(Tris), ntro blue tetrazolium chloride monohydrate (NBT) are analytical pure.
Acknowledgements This work was financially supported by National Natural Science Foundation of China (Grants 51134015, 51176043, and 51376054), the Science Fund for Youths in Heilongjiang Province (Grant 41417837-8-14088), The Project of Education Department in Heilongjiang Province (Grant 12541093).
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(2)Data acquisition and control device Test platform of early fire characteristics was mainly utilized to measure the characteristic parameters of combustible materials.
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Xiong: Journal of Agro-Environment Science(In Chinese) Vol 32(2013),p 525-529 [13] W.J.

Table 1 Material constants for natural rubber in FEA modeling.
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Those organic pigments and dyes including a certain amount of toxic materials, heavy metal ions, organic pollutants and deep color flow into natural streams and rivers to cause serious pollution [1].
As well as saving sorbent materials, we reduce expense.
With rapid development of science and technology, nano-Fe3O4 particles will be widely used as ideal sorbent for dye wastewater.
Zhang et.al: Journal of Hazardous Materials Vol. 157 (2008), p. 352-357
Samanta et.al: Journal of Hazardous Materials Vol. 127 (2005), p. 134-140

The so-called brittleness is a material property; it is relative to toughness.
Fig. 2 The illustration of testing arrangement according to PCER method Materials and Testing Procedure The materials used include P.O 42.5 Portland cement, class F and grade I fly ash, silica fume with amorphous silica content more than 90%, river sand of the fineness modulus 2.8, limestone aggregate of the diameter 5-20mm, and polycarboxylate type water reducer.
Acknowledgment This work is supported by the National Science and Technology Supporting Plan of China under grant 2008BAE61B05.
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The deformation of the material across the width is called spread.
The billet material is aluminium Al 99.5.
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Introduction Sapphire has been widely used in many industrial applications such as micro fluidics, optical windows, abrasion resistant mechanical contacts, and substrate materials for semiconductor electrolumiscent devices [1].
Thus, to develop a technique for machining and dicing these materials and devices with micron resolution becomes an essential issue.
Properly optimized laser intensity with a highly resolved beam spot dramatically increases sapphire wafer scribing speed, while minimizing excessive heating and collateral material damage.
Sercel: Proc. of SPIE Vol. 5713 (SPIE, Bellingham, WA, 2005). 397-401 [3] E.Gu，H.Howard: Applied Surface Science，2006：4897-4901
Darling: Journal of Material Processing Technology，2005，169：214-218 [6] E.K.Illya, M.Knowles, E.Gu, M.D.Dawson: Applied Surface Science 249 (2005) 354–361