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Materials and methods 1.1 Technological process GSF pilot test system derived water from sedimentation tank to filter, process flow diagram as shown in Fig.1.
The removal ratio of CODMn at the activated carbon filter material 25 cm had reached 45.2%.
Journal of Environmental Sciences, 24(9) :1587–1593 [3] Andersson A, Laurent P, Kihn A, Prevost M, Servais P, 2001.Impact of temperature on nitrification in biological activated carbon (BAC) filters used for drinking water treatment.
Journal AWWA,1992,6:67~75 [5] Kim J, Kang B, 2008.
Journal of Hazardous Materials, 139(2): 316–322

[2] C.YENY, T.ALTAN: Journal of Materials Processing Technology,Vol.146(2004)No.1,pp.82-91
[3] Z.C.LIN,Y.Y.LIN: Journal of Materials Processing Technology,Vol.86(1999)No.2,pp.119-125
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[8] Z.C.LIN, Y.D.YANG: Journal of Materials Processing Technology,Vol.70(1997)No.1,pp.22-33.

The parameters of these materials come from the material experiment results.
Acknowledge This work was financially supported by the National Natural Sciences Foundation of China (51008085), Guangzhou Pearl River New Star of Science &Technology Project (Grant No.2012J2200100), State Key Lab of Subtropical Building Science, South China University of Technology (Grant No.2011ZC25 and No.2013ZC14), and China Postdoctoral Science Foundation (Grant No.2012M511810 and No.2014T70807).
Journal of Constructional Steel Research, 2006, 62(5): 472-483
Journal of Constructional Steel Research, 2012, 72: 105-118
Journal of Constructional Steel Research, 2013, 88: 1-14

The mechanical joining of dissimilar materials is a key technology in the automotive industry as it enables the realization of car bodies that incorporate multiple materials.
Daidie: Journal of Materials Processing Technology.
Benedictus: International Journal of Fatigue.
Costello: Journal of Materials Processing Technology.
Ko: Journal of Materials Processing Technology (2014), http://dx.doi.org/10.1016/j.jmatprotec.2014.03.032

Introduction Microstructures are at the center of materials science and engineering [1].
Liu, Effect of electric current pulses on solidification of immiscible alloys, Materials Letters. 132 (2014) 66-69
Hari Babu, Refinement of the grain size of the LM25 alloy (A356) by 96Al-2Nb-2B master alloy, Journal of Materials Processing Technology, 222 (2015) 219-223
Kapranos, Grain refinement of AA7075 alloy under combined magnetic fields, Materials Letters. 151 (2015) 38-40
Chen, Real time observation of equiaxed growth of Sn-Pb alloy under an applied direct current by synchrotron microradiography, Materials Letters. 89 (2012) 137-139

Materials Science and Engineering: A, 2008, 483: 120-122
Materials Science and Engineering: A, 2000, 283(1): 144-152
Materials Science and Engineering: A, 2009, 506(1): 1-7
Journal of materials science, 1993, 28(3): 677-683
Materials Science and Engineering: A, 2013, 577: 64-72.

Growth of GaN on patterned GaN/sapphire substrates by high pressure solution method, Journal of Crystal Growth, 281(2005) 11-16
Borodin，Advanced technologies of shaped sapphire fabrication，Journal of Crystal Growth， 310(2008)2141–2147
High Precision Finishing Technique of Sapphire Substrate Surface for Photoconducting Device, Materials Science Forum, 663-665(2011)80-83
Ultra-precision CMP for sapphire, GaN, and SiC for advanced optoelectronics materials ，Current Applied Physics，12(2012)S41-S46
Applied Surface Science, 236 (2004) 120-130

Study of Thermal Stress of Iron-Boron Alloy Casing Yun ZHANG1, a, Yongdi LI2, b, Jianjun WU3, c 1School of material science and engineering Hebei University of Technology Tianjin, China 2 School of material science and engineering Hebei University of Technology Tianjin, China 3 School of material science and engineering Hebei University of Technology Tianjin, China a hbgdwjj@hebut.edu.cn, bliyongdi2008@126.com, c hbgdwjj@hebut.edu.cn Keywords: composite; thermal stress; finite element method Abstract.
To improve the mechanical properties of brittle material and prevent the abrupt failure of components, continuous fibers are added to moterials to improve toughness of materials[2-4].
YIN: Journal of The Chinese Ceramic Society Vol. 30 (2002), p. 184 (In Chinese) [3] C.M.
Grathwohl: Composites Science and Technology Vol. 68 (2008). p. 1165 [6] P.F.
Zheng: Materials Science and Engineering A Vol. 425 (2006) p. 260

Experimental Methods Materials: PP (homopolymer, melt-flow rate=2.3g/10min) was supplied as pellets by Sinopec Shanghai Petrochemical Co., Ltd., China.
This is due to the degradation of carbonaceous materials, as well as the sublimation of phosphorus oxide.
Journal of Applied Polymer Science. 102(2006), p. 5988
Journal of Applied Polymer Science. 94(2004), p. 2131
Journal of American Chemical Society, Vol. 91,(1969),p. 62

A joint is formed due to breaking up of an external oxide layer, its uniform dispersion and mixing of materials [12, 13].
Softened and constantly stirred materials flows around the tool.
[8] Amancio-Filho S.T., Sheikhi S., dos Santos J.F., Bolfarini C., Preliminary study on the microstructure and mechanical properties of dissimilar friction stir welds in aircraft aluminium alloys 2024-T351 and 6056-T4, Journal of materials processing technology 206 (2008) 132–142
[11] Mishra R.S., Ma Z.Y., Friction stir welding and processing, Materials Science and Engineering 50 (2005) 1–78
A., Feng Z., Friction Stir Welding of Advanced Materials: Challenges, Metals and Ceramics Division Oak Ridge, TN., Austria, 2004