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Taking difficult-to-cut material titanium alloy as studying object, the surface roughness characteristics of titanium alloys are studied through experiments using self-developed ultrasonic vibration lapping device.
Fig. 2 Effect of workpiece speed on surface roughness (amplitude: A=12μm) According to the Fig. 2, we can know that the surface roughness does not change significantly with the increasing of workpiece speed in common lapping whether using W28 grinding paste or W7 grinding paste, the reason is that the increasing of workpiece speed is essentially that time variable is introduced to material deformation removal process, therefore the changes of workpiece speed mainly affect the physical and mechanical properties of machined surface[4], however, it exercises a very little influence on the geometric properties [5].
Chen: Journal of Hunan University(Natural Sciences), (2008) No.9, pp.28-32

Experimental Materials.
Harrington, Journal of polymer science Vol.51 (1961), p59

This work is supported by the development program of science and technology development program Shandong province (Study on the technology of parts automatic loading and unloading in the catenary line Based on machine vision.
[2] WangFang, Li Changchun, Sui Pengjie: Advanced Materials Research(2013)
[4] Hao Qun, ZhaoYang, Li Dacheng : Chinese Journal of Lasers(1999).

Foundation: Science and Technology Plan of Shanghai（12111101802） Reference [1] Maschinenwesen Von der Fakultat.Development of the weaving machine and 3D woven spacer fabric structures for lightweight composites materials[D].Technischen Universitat Dresden,2007 [2] Gokarneshana N. and Alagirusamyb R.Weaving of 3D fabrics: A critical appreciation of the developments[J].Textile Progress,2009,41(1):1-58 [3] QIAN Zhiliang, NI Junfang, SU Guisheng, PENG Wei.
Journal of Textile Research,2009,30(8):34-38 [4] XU Haoyi.On the nature of beating-up and factors affecting its friction [J].

The Advantages and Disadvantages of Shearing Wall Retrofitting System There are advantages and disadvantages for the shearing wall retrofitting system as followings: Advantages: Provides large lateral stiffness with limited materials usage and limited construction period compared to the other structural retrofitting alternatives.
Literature References [1] National Center for earthquake engineering research, the school structure seismic evaluation and strengthening technical manuals , National Center for research on earthquake engineering, Second Edition, a technical manual.(2009) [2] Chia-Lun Liu, Master Thesis, National Kaohsiung University of Applied Science (August, 2011) [3] Roeder, C.W. , Fouth, D.A. and Goel, S.C.
,Seismic Testing of Full-ScaleBuilding,Journal of Structural Division, ASCE, Vol.113, No.11,pp.2130-2145,(March ,1987) [4] Li Sen, Ho ETABS Introduction and Applications of Engineering , Federal Engineering Company limited, Publishing (2003)

Acknowledgements The authors gratefully acknowledge the National Natural Science Foundation of China by 2011(Project No. 51075312) and Wanxiang Group Corporation Technology Center.
International Journal of Mechanics and Materials in Design, 2006, 3(3): 285-291 [5] Suda Y., Suematsu K., Nakano K., et al.

Acknowledgement The present study was supported by National Natural Science Foundation, China (Grant No.: U1137605), National and international scientific and technological Cooperation projects, China. 
Review of mid-to high-temperature solar selective absorber materials.
Journal of engineering thremophysics 2008, 29(9):1453-1457 [9] Qiaoli C, Li X, Xu G, The experiment validation of the dynamic simulation model for 3-dimensions thermal network of medium temperature solar collector system.

Kinetic curve of the thickening process in the compression zone During the process of the enriched mineralogical material drainage, the moisture is divided into: 1) pellicular moisture (it covers the material solid particles and it stays on the surface of the solid particles by molecular attraction); 2) capillary moisture (it is located in the particle pores and it forms the meniscus); 3) free moisture (it is located between the solid particles and it can move in the settling).
Bazhin, Topicality and possibilities for complete processing of red mud of aluminium production, Journal of Mining Institute. 227 (2017) 547-553
Bykov, Slam processing of aluminium production, AO “AK”, Kazakhstan Science and Engineering. 2 (2010) 38-42

H2 Sensing Performance of TiO2-based Diode-type Sensors Yasuhiro Shimizua , Keiko Sakamoto, Masaki Nakaoka Takeo Hyodob and Makoto Egashira c Department of Materials Science and Engineering, Faculty of Engineering, Nagasaki University 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan a shimizu@nagasaki-u.ac.jp, bhyodo@nagasaki-u.ac.jp, cegashira@nagasaki-u.ac.jp Keywords: H2 sensor, Pd, Diode, Sensing properties, Sensing mechanism Abstract.
Kiwa: IEEE Sensors Journal, Vol. 7 (2007), p. 1268

Materials and Methods PSB were obtained from China General Microbiological Culture Collection Center.
Acknowledgments Authors thank financial supports from National Natural Science Foundation of China (50978072).
The EMBO Journal.