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However, the shell of refrigerating system must be made of pressure resisting materials because the saturation pressure of CO2 is high.
The vane sample was also machined from the same type of vane material as was used in the real compressor.
The vane material was made of the high speed tool steel and had hardness in the range of 750~760 HV.
Fig. 3 Wear amounts of various vanes and flange materials in the mixture of CO2/PAG or R410A/PAG.
References [1] Lorentzen, G.: International Journal of Refrigeration Vol. 18 (1995), p. 190 [2] Kim, M.H., Pettersen, J. and Bullard, C.W.: Progress in Energy and Combustion Science Vol. 30 (2004), p. 119 [3] Jonsson, U.J.: Wear Vol. 232 (1999), p 185 [4] Oh, S.D. and Lee, Y.Z.: Solid State Phenomena Vol. 110 (2006), p. 271 Sliding Direction Sliding Direction

Introduction Nanotechnology is related to different areas such as medicine, electronics, computer science, physics, chemistry, biology and materials engineering and it is based on exploitation and nanoscale production.
Among these materials, calcium phosphates are of great interest due to their chemical similarity to the mineral phase of bone.
Materials and Methods Proteic Sol-gel Hydroxyapatite (SG-HA) HA was prepared from two aqueous solutions of sucrose (3.6 wt-%), one with phosphoric acid (H3PO4) and, the other with calcium nitrate (Ca(NO3)2.4H2O) in a manner that Ca/P ratio was maintained equal to 1.67.
Yong-xin, Materials Letters, (2005), 59, 916-919
Meneses, Journal of Physics and Chemistry of Solids, (2007), 68, 4, 594-599.

Experimental Procedure Materials.
Cahill, Nanofluids for thermal transport, Materials Today, 8 (2005) 36-44
Marneni, A review on the viscous and thermal transport properties of nanofluids, in: International Conference on Process Engineering and Advanced Materials, ICPEAM 2012, Trans Tech Publications Ltd, Kuala Lumpur, 2014, pp. 18-27
Fong (Eds.) 4th International Conference on Process Engineering and Advanced Materials, ICPEAM 2016, Elsevier Ltd, 2016, pp. 290-297
Bahzad, Deposition of Stainless Steel Thin Films: An Electron Beam Physical Vapour Deposition Approach, Materials, 12 (2019) 571

The works are carried out at the Institute of Forming Technology and Lightweight Construction (IUL) of the Technical University Dortmund and the Institute of Materials Science and Engineering 1 (IWK1) of the University Karlsruhe and are supported with materials, process knowledge, and testing facilities by Alcan, Alcoa, Aleris, Alu Menziken, EADS Innovation Works, Sandvik Materials Technology, and VAC Vacuumschmelze.
The debonding shear strength was in the same range as in former investigations, which were carried out with other alloys and reinforcement materials.
Dissertation, Institute of Material Sciences 1, University Karlsruhe, Shaker publisher, ISBN 978-3832257606, 2006 [4] M.
Marshall, Journal of the American Ceramics Society, Volume 67, 259-260, 1984 [6] K.
Löhe: Characterization of the interfacial properties of compound-extruded lightweight profiles using the push-out-technique, Materials Science and Engineering A 424, 205-211, 2006 [7] K.

Stress and deformation mechanics model of sensing structure in micro-machined capacitive SOI accelerometer Dai Qiang, Zhang Yue, Xu Bin, Jiang Gang, Song Danlu, Cai Yong Key Laboratory of Testing Technology for Manufacturing Process，Southwest University of Science and Technology，Ministry of Education, Mian Yang, China Uestc_dai@163.com Keywords: Stress and deformation, mechanics model, sensing structure, SOI accelerometer.
Meanwhile, as far as the support beam is concerned, according to the theory of mechanics of materials, no matter whether it is folded or not folded，the deflection at the end of the beam can be written as (18) where the vH is the deflection in the end of support beam, lH is the length of the support beam and QH is the shear sensing structure acting on support beam.
Acknowledgments The authors gratefully acknowledge the support of the Opening Project of Key Laboratory of Testing Technology for Manufacturing Process, Southwest University of Science and Technology, Ministry of Education (10zxzk07), the Doctoral Foundation of Southwest University of Science and Technology (10zx7142) and Key Project of Education Department in Sichuan (11ZA134, 11zd1106).
Japanese Journal of Applied Physics, 44(2005)350–357

Decolourization of Kiscolon Scarlet 2KN by Persulfate Wei Hua Shen-Xin, Lib Wang Yingc Cheng-Duan, Wangd College of Chemistry and Pharmaceutical Engineering, Sichuan University of Science & Engineering, Zigong City 643000, Sichuan Province, China a huwei2113061@163.com blsx1964@sina.com dwcd@suse.edu.cn Keywords: Kiscolon scarlet 2KN, Decolourization, Persulfate Abstract.
Acknowledgements The work was supported by the Opening Project of Key Laboratory of Green Catalysis of Sichuan Institutes of High Education(No.LZJ1102)and the Key Project of the Science and Technology Department of Zigong (No.2012H12)， the Specialized Research Fund for the Doctoral Program of Sichuan University of Science and Engineering (no. 2012RC18) and the Key Project Supported by Sichuan Provincial Education Department（13ZA0117） References [ 1] Okit s u K, Lw asaki K, Yobiko Y, et al.
Jiang， Journal of Hazardous Materials . 164 （2009） 26–31

Finite Element Analysis of the cylindrical helical torsional spring Hongyan Li1,a, Xiuli Li2,b 1College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, P.R.China 2School of mathematics and physics, Qingdao University of Science and Technology, Qingdao 266061, P.R.China alihongyan@qust.edu.cn, blixiuli2004@tom.com Keywords: torsion spring, strength, torsional stiffness Abstract.
Journal of Kunming university of science and technology, Vol.43 (2000), p. 50 [5] Li baofu, Liu pingfang, Fang junwei.
Advanced Materials Research, Vol.382 (2012), p. 224

Design and application of MMM system for welding residual stress test Haiyan Xing a, Ping Qin, Yanmin Lou School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing163318, China axxhhyyhit@163.com Keywords: Welded joints, Residual stress, Metal magnetic memory Abstract.
Acknowledgements This work was supported by National Science Foundation of Heilongjiang Province of China (A200907), National Nature Science Foundation of China (11072056), Specialized Research Fund for the Doctoral Program of Higher Education (20092322120001).
Advanced Materials Research.
Journal of Harbin Institute of Technology.Vol.18(2): 13-16. (2011).

Materials and Methods The mobile measurements were conducted by vehicles equipped with meteorological instruments and GPS in Lanzhou.
Acknowledgments This work are supported by Doctoral Fund of Henan University (B2010047), Foundation for Distinguished Young Talents in Higher Education of Guangdong (LYM10080) and Natural Science Foundation of Anhui Province Higher Education (KJ2008B190).
Arnfield: Two Decades of Urban Climate Research: A Review of Turbulence, Exchanges of Energy and Water, and The Urban Heat Island,” International Journal of Climatology, Vol.26 (2003), no.1, p. 15-18
Yang: ArcGIS Geographic Information System and Spatial Analysis Experiment Tutorial (Science publishing house, Beijing 2006)
Lu: Comparison of Spatial Interpolation Methods, Advance in Earth Sciences, Vol. 15 (2000), no. 3, p. 260-265

The Experimental Study on the Enhanced Evaporating Property of the Pineapple Juice by Ultrasound Jitian Song1,2,a, Xiaofei Xu, Wei Tian, Jianbo Liu, Zheng Zhao2 1College of Mechanical Engineering, Tianjin University of Science & Technology, Tianjin, 300222, China 2College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin, 300222, China aemail: songjt@tust.edu.cn Keywords: Pineapple Juice; Evaporator; Ultrasound; Heat Transfer Coefficient Abstract.
Besides, they can be utilized as medicinal materials.
Acknowledgement The Project Supported by the Foundation (No. 201104) of Tianjin Key Laboratory of Marine Resources and Chemistry (Tianjin University of Science & Technology, P.
Journal of Hunan Metallurgical Professional Technology College, 2005, 5(3): 327-329