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In Japan, they use fly ash as secondary building materials after heat treatment.
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The feed material selected for study is sweet lime peel.
Experimental 2.1 Raw material.
Waste sweet lime peels were collected after juice extraction as the raw material for production of sweet lime essential oil.
The yield of essential oil was calculated for each run by using the equation [10, 11] Yield of essential oil (%) = (amount of essential oil (g) obtained)/ (amount of raw materials (g) used) x100 The essential oil samples were analyzed for their purity by using Gas Chromatography Mass Spectrometry (GC-MS) [12].
Innovative Food Science and Emerging Technologies. 12 (163–170

Sadrnezhaad: Journal of Refractory Metal and Hard Materials, Vol. 29 (2011), p. 141-145
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Maqableh: The effect of initial burnishing parameters on non-ferrous components, Journal of Materials Processing Technology, Vol.102 (2000), p.115-121 [2] A.M.
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The Effect of MgO-Al2O3 Spinel on Refractory Bricks Made from Al2O3-Cr2O3 Slag Lijun Zheng1,a, Guodong Zhang1,b, Dianli Qu1,c and Feng Liu2,d 1School of High Temperature Materials and Magnesium Resource Engineering University of Science and Technology LiaoNing, China 2School of Materials and Metallurgy University of Science and Technology LiaoNing, China a zhenglijunchina@163.com, b zhangguodong@sohu.com, c qudianli@126.com d liufeng13@163.com Keywords: Refractory; Al2O3-Cr2O3 slag; MgO-Al2O3 spinel; Thermal shock resistance Abstract.
The Al2O3-Cr2O3 slag as raw material was analyzed by scanning electron microscopy (SEM).
Bocharov: submitted to Refractories and Industrial Ceramics(2008) [4]Sung-Koo Jo, Seon-Hyo Kim and Bo Song: submitted to Metallurgical and Materials Transactions B(2002) [5]K.T.
Jacob and C.K.Behera: submitted to Metallurgical and Materials Transactions B(2000) [6] E.Lopez-Navarrete and M.Ocaña: submitted to Journal of Materials Science(2001) [7] M.
Deo: submitted to Russian Journal of Applied Chemistry( 2002) [8]WeibangWang,in:Refractory Materials Technics, edited by Metallurgical Industry Publications, Beijing(1994) In Chinese

Most of the self-illumination products manufacturers import luminous materials from the company of China.
It is different with adding different kind and quantity of radioactive ray materials.
It is called green energy-saving materials.
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The buildings in cities and rural areas differ greatly in structure and material.
Journal of Natural Disaster Science,14( 1):17-28.1992 [22] E.Samardjleva, J.
Journal of Catastrophology,25(2):112-118, (In Chinese), 2010
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Introduction After the Wenchuan earthquake, China faster to implement the project of Wenchuan earthquake fault zone scientific drilling project(WFSD), which is the Ministry of Science, "Eleventh Five-Year" national science and technology projects.
Fig.3 BHA Mises stress Fig.4 BHA safe factor Fig.5 BHA damage Safety factor is defined as the ratio of the parts or failure stress and stress of the material used in the design.
Chinese Journal of Oil Drilling & Production Technology,2004,26(1):19-22.
Chinese Journal of Petroleum Machinery, 2006, 34(8): 15-18.
Materials & Design.Vol (30),9,3615-3621(2009)

Acknowledgements This research is financed by Jiangsu Natural Science Fund (05KJD460044) References [1] R.
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