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Materials and methods Simulated food waste saccharification liquid.
Ethanol concentration was determined using biosensor (SBA-40C, Biologic institute of Academy of Sciences, Shandong province).
[4] Y.H.Li, W.Zhang, C.Q.Fang, J.G.Zhang, R.C.Xiong, G.Wei, Fermention of corn stalk hydrolysate by co-immobilized multi-microorganisms, Journal of BeiJing Universtity of Chemical Technology(Natural Science Edition). 5(2008)74-77
[5] D.Li, M.M.Li, S.J.Yu, Selection of carrier for yeast immobilization to produce alcohol and study on the fermentation techniques, Liquor-making Science & Technology. 8(2010)21-24
[7] Y.Kourkoutas, A.Bekatorou, I.M.Banatb, R.Banatb, A.A.Koutinas, Immobilization technologies and support materials suitable in alcohol beverages production: a review, Food Microbiology. 21(2004)377-397

Semi analytical solutions of elastic-plastic contact between two surfaces Hongliang Tian College of Mechanical and Material Engineering, China Three Gorges University, 443002, Yichang city Hubei province, the People’s Republic of China thl19732003@yahoo.com.cn Keywords: surface roughness, surface separation, single asperity Abstract.
Proceedings of the Royal Society of London, 1966, Series A Mathematical and Physical Sciences 295(1442):300-319 [2] Bhushan Bharat.
ASME Journal of Tribology, 1984,106(1):26-34 [3] Polycarpou Andreas A, Etsion Izhak.
ASME Journal of Tribology, 1999,121(2):234-239 [4] Tian Hongliang, Zhao Chunhua, Zhu Dalin, Qin Hongling.
International Journal of Modeling and Optimization, 2012, 2(3): 179-186

As an example of achieving sufficiently high physical and technical properties of composite materials one can refer to powder-activated concretes [9, 10, 11, 12, 13, 14].
Tretiakov, Building Heat-insulating Materials Based on the Products of the Transesterification of Polyethylene Terephthalate and Dibutyltin Dilaurate, Procedia Engineering. 165 (2016) 1455-1459
Lakhno, Production and investigation of properties of sulfide composite materials based on technogenic sulfur waste with titanium chloride as an activator, Research Journal of Pharmaceutical, Biological and Chemical Sciences. 7(6) (2016) 1614-1619
Vyacheslav, Study of effects of redispersable latex powders on hardening kinetics of cement-sand composites, Research Journal of Pharmaceutical, Biological and Chemical Sciences. 7(4) (2016) 795-802
Kalashnikov, On the role of the dosing and mixing procedure for the components of a cement composition, Theory and practice of superplasticizers application in composite building materials. (1991) 31-32

The mass of bulk material was determined according to the condition of constant radius of bulk material free surface r0 = 57 mm.
Beglyakov, Justification of creation of an external propulsor for multipurpose shield-type heading machine - GEO-WALKER, Applied Mechanics and Materials. 379 (2013) 16-19
Special issue of Mining Informational and analytical Bulletin (scientific and technical journal).
Sciences, Тomsk, 1987
Sciences, Tomsk, 2013.

Eltahir1,2c , Yumin Xia1d and Yanping Wang1*e State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, P.
Materials and Methods Materials: Commercial Poly (lactic acid) under the trade name Nature Works PLA polymer type 4032 D in pellet form was supplied by Unic Technology (Suzhou) Co., LTD.
Journal of Applied Polymer Science, 2013 129 (5) 2418-2428
International journal of molecular sciences, 2013 14 (10) 20189-20203
Krawczak, Development of poly(lactic acid) cellular materials: Physical and morphological characterizations.

The results showed that materials are so heterogeneous and highly supporting segregation and natural gravity sorting of waste rock materials from top to toe.
Average particle density (or specific gravity, Gs) of waste rock materials are 2.5 with standard deviation of 0.2 which is demonstrating the possible presence of coarser materials (light materials) in waste rock samples.
Conclusion The soil physical study of waste rock pile showed that materials are so heterogeneous and have soil-like behavior.
Chapuis, , Canadian Geotechnical Journal, 35, pp. 55-69 (1998) [10] M.
Canadian Geotechnical Journal 40, pp. 1104-1122 (2003)

Finite element simulation of residual stress Material properties The workpiece is made of NAK80, its hardness is 40HRC.
Reference [1] R.Schultz and M.Karabin: Materials Science Forum Vol.35 (2002),p.61-67
[2] R.M'Saoubj,J.C.Outeiro,B.Changeux,J.L.Lebrun and A.M.Dias: submitted to Journal of Materials Processing Technology(1999)
[3] J.Mackerle: submitted to Journal of Materials Processing Technology(2003)
[4] Edoardo CaPello: submitted to Joumal of Materials Proeessing Teehnology(2005)

Takeuchi, et al: Journal of Power Sources Vol. 54(1995), p. 448-451
[4] Anita Lucas Girot, Olivirer Hernandez, Hassane Oudadesse: Materials Research Bulletin Vol. 42(2007), p. 1061-1068
[8] Sylvie Malo, Antione Maignan, Sylvain Marinel: Solid State Sciences Vol. 7(2005), p. 1492-1499
Cachau Herreillat, et al: Solid State Sciences Vol. 6(2004), p. 995-999
Ijjaali, et al: Materials Letters Vol. 59(2005), p. 1329-1333.

Most of them mainly focused on the basic material properties and mechanical properties of the structural members of the concrete with recycled aggregate[4-8].
Acknowledgements The authors are grateful for the financial support from the National Science and Technology Support Program of China (Grant No.2011BAJ08B02) and Beijing Municipal Natural Science Foundation (Grant No.8102010).
Journal of North China Institute of Water Conservancy and Hydroelectric Power.
Treatments for the improvement of recycled aggregate．Journal of Materials in Civil Engineering.
Study on seismic behavior of recycled concrete frame joints, Journal of Tongji University.

For example, Hou [1] makes systematic research for large bridge structure health monitoring involved in several key issues in science and technology.
Synthetic rubber material is greatly influenced by temperature, in order to reduce the influence of temperature on the cantilever material, testing needs carrying out in the same room temperature, and on the premise of test smoothly shorten the test time as far as possible.
Acknowledgements This work is financially supported by the Youth Science Foundation of Yellow River Conservancy Technical Institute (2011QNKY017).
Guan, Structural damage identification and simulation based on the curvature mode and neural network, Henan Science, 25 (2007) 971-974
Sun, et al, Curvature mode technology of damage identification of bridge structure, Journal of Wuhan University of Technology (Transportation Science & Engineering), 2 (2004) 102-106