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College of Environmental Science and Engineering, Jiao-tong University, Shanghai 200092, China; 3.
In recent years, with the improvement of ozone generator performance, pre-ozonation method has begun showing a very broad application prospect in drinking water treatment because of its unique advantages, such as strong oxidation , large reaction velocity, local production, raw materials readily available, easy to use and so on[1], [2].
There are many kinds of suspended substances, colloidal materials, plankton, microbes and other impurities with different size, weight and shape, in surface water.
Journal of Water Supply and Drainage, 1993, (10) ：15～18
Journal of Water Supply and Drainage, 2002, 28 (3) ：9～11

Due to the temperature rise to material elastic modulus decrease the deformation restore begin and develop a Negative shift.
JOURNAL OF SICHUAN UNIVERSITY (ENGINEERING SCIENCE EDITION),2008,40(5):107-111(in Chinese)
China Safety Science Journa,2003,13(12):63-67(in Chinese)
China Safety Science Journa,2006,16(2):39-42(in Chinese)
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY,2007,29(6):69-72(in Chinese).

Chen, Principal Curvature Alignment Technique for Machining Complex Surfaces, Journal of Manufacturing Science and Engineering, Transactions of the ASME, 119 (1997) [2] H.C.
Kuo, The Theory of Center Offset and Its Application in Cutter Manufacture, Journal of Materials Processing Technology, 83 (1998), 217-222 [5] K.F.
Chen, Study on the Rotary Cutters with Different Definitions of Helical Angle, The International Journal of Advanced Manufacturing Technology, 17 (2001) 627-638 [8] C.T.
Chen, Modeling and computer simulation of grinding of the ball end type rotating cutter with a constant helical angle, Journal of Engineering Manufacture.
Wu, An Integrated Mathematical Model for Manufacturing Rotating, Kaohsiung Normal University Journal, 26 (2011) 1-20

Simon: Journal of Orthopaedic Research, 22 (2004) p 535-543 [2].
Wildan: ISTECS Journal, Vol.
Altinas: Key Engineering Materials, Vol. 264-268 (2004) p. 1949-1952 [5].
Jinawath: Journal of Materials Science: Materials in Medicine, Vol. 13 (2002) p. 491-494
Rao: Materials Letters, Vol. 57 (2002) p. 429- 433

Materials and Experimental details Materials.
The mix design of mortar was 450 kg/m3 of cementitious materials and 1350 kg/m3 of sand with w/c of 0.45.
McWhinnie, Journal of Materials Science, 35 (2000) 2701-2710
Shui, Construction and Building Materials, 101, Part 1 (2015) 184-192
Shen, Construction and Building Materials, 36 (2012) 947-953.

Introduction Due to their great potential as an innovative technology, composite materials have been attracting researchers` attention for a long time.
The materials used in the experiments were A356, a commercial aluminum-silicon-magnesium alloy as matrix and as reinforcement CNF (carbon nano fiber) and SiCp (silicon carbide particulate).
Lavernia, Journal of Material Sciences, Vol.26, 1137-1156, (1991). 6.
Apelian, Journal of Material Sciences, Vol.27, 4447-4459, (1992). 10.
Material Science and Eng., MIT, (1990).

Synthesis of Al3Ti(PO4)4.3333 and Its Selectivity to Li+ Exchange JinHe Jiang MicroScale Science Institute , Department of Chemistry and Chemical Engineering ,Weifang University, Weifang, 261061,China Corresponding author.
The Li+ extraction/insertion with this material were investigated by X-ray, FT-IR spectroscopy, and Kd measurement, The chemical analysis showed that the Li+ extraction/insertion be progressed mainly by an ion-exchange mechanism.
Introduction Lithium and its compounds are widely used in ceramics, medicine, air conditioning, catalysts, high-energy lithium battery and light aluminum alloy, etc., especially for the thermonuclear reaction ,they are the essential raw material[1-2].
Rare Metal, 2007,26(6),121 [2] Y.F.Liu, Kenta Ooi: Inoranic ion exchanger with ion-memery ability, J.Ion Exchange and Adsorption. 1994,10(3),246 [3] D.Q.Dong, J.Zhong, D.L.Liu, Y.F.Liu: LiCu0.5Mn1.5O4 synthesis and Li+ extraction/reaction with it in the aqueous phase, J.China Journal of Applied Chemistry . 1998,15(3),11 [4] Zhong h..
Prpperty of H2TiO3 type ion-exchangers and extraction of lithium from brine of natural gas wells J.Chinese Journal of Applied Chemistry.2000,17(3),307

Despite on the wide variety of additive manufacturing methods, all additive processes may be divided according to the type of heat source and the sort of feed materials.
For fabricating, as a heat of source, usually use electric arc, plasma, laser or electron beam, and as the feed materials: powder or wire.
The type of heat source and feed materials are selected depending on the specific case.
Sabin, J.F Watts, The influence of build parameters and wire batch on porosity of wire and arc additive manufactured aluminium alloy 2319, Journal of Materials Processing Technology. 262 (2018) 577-584 [4] Y.
Luo, J.Li, J.Xu, Influence of pulsed arc on the metal droplet deposited by projected transfer mode in wire-arc additive manufacturing, Journal of Materials Processing Technology. 84 (2010) 36-47

Tool A B Material Polycrystal diamond Diameter 6 mm Axial rake angle 0 deg.
In milling, the radial depth of cut is 30 mm considering elastic recovery of the polymer material.
Yasuda, Effect of surface texturing on friction reduction between ceramic and steel materials under lubricated sliding contact, Wear, 254 (2003) 356–363
Ge, Tribological properties of surface dimple-textured by pellet-pressing, Procedia Earth and Planetary Science, 1 (2009) 1513–1518
ESAFORM Conf. on Material Forming, AIP Conf.

Materials Development and Applications, 1999 (14): 39 - 45
Journal of Welding, 2010, 31(11): 61 - 64
Nanjing: Nanjing University of Science and Technology, 2010
Science and Technology Wind, 2010, 20: 104
Journal of Welding, 2010, 31 (11): 33 - 37