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Literauter [3] study the rubber blended with natural rubber and hydrogenated nitrile rubber.The reason for the change of its physical and chemical properties is revealed by using tools such as scanning electron microscopy. [4] study the role of nano-materials in modification of nitrile rubber.
Acknowledgement It is a project supported by National Natural Science Foundation of China (50875178).
Macromolecular materials and Engineering, 2004, 1289(12):1079-1086
Journal of Building Materials, 2005, 8(4): 383-386

Introduction TiO2 film deposition has stretched out the photocatalytic potential of TiO2 into producing not only self-cleaning but also antimicrobial surfaces that seize potential applications in a variety of products, such as medical devices [1], food packaging [2] as well as building materials [3].
Yet, studies reported earlier are utilizing materials that are smooth or have lower surface roughness, such as glass and stainless steels.
Materials and Methods TiO2 coating were prepared by using titanium (IV) isopropoxide (TTiP) (Sigma-Aldrich Co.), ethanol, hydrochloric acid (37% HCl) and deionized water as titanium precursor, solvent, catalyst and hydrolysis medium respectively.
Hayata, Development of TiO2 Powder-coated Food Packaging Film and its Ability to Inactivate Escherichia Coli in Vitro and in Actual Tests, International Journal of Food Microbiology, 123 (2008) 288 - 292
Science. 430 (2014) 184–192

Introduction Recent developments in SiC substrate production by the sublimation technique and epitaxial growth of high quality films by chemical vapour deposition (CVD) enable the production of suitable material for high power devices.[1] The homoepitaxial growth of α-SiC has been performed by liquid phase epitaxy (LPE) and chemical vapour deposition (CVD) methods.
Optical and electrical characterizations will follow this great improvement in growth rate to ensure that the material gives the possibility to realize good high power devices on it.
Mastunami: Extended Abstract, 19 th Conference on Solid State Devices and Materials, Tokyo, 1987, pp. 227
Janzén, Journal of Crystal Growth 241 (2002), pp. 431-438
Saddow: Materials Science Forum Vols. 483-485 (2005) pp. 73-76 [6] F.

R01-2003-000-10567-0 from the Korea Science & Engineering Foundation.
Mai: Progressive Damage and Residual Strength of a Carbon Fiber Reinforced Metal Laminates (Journal of Composite Materials, USA 1997), Vol. 31, No. 8, pp. 762~787
Kim: Fatigue Crack Growth Behaviors in Al-Si-Mg Sand Cast Alloys (Metals and Materials International, Korea 2004), Vol. 10, No. 1, pp. 13~18
Marrisen: Fatigue Crack Growth in ARALL-A Hybrid Aluminum Aramid Composite Material (Ph.
Kim: Fatigue Crack and Delamination Behavior in the Composite Material Containing a Saw-cut and Circular Hole (I) -Aramid Fiber Reinforced Metal Laminates- (Transaction of the KSME, A, Korea 2003), Vol. 27, No. 1, pp. 58~65.

R&D Center in Korea Univ. 635, Bio-technology B/D, 5ga, Anam-dong, Sungbuk-gu, Seoul 136-701, Korea 2 Department of Mechanical Education, Andong National University 388, Songchun-dong, Andong, Kyoungbuk 760-749, Korea 3 Department of Sports Engineering, Korea Institute of Sport Science 223-19, Kongnueng-dong, Nowon-gu, Seoul 139-272, Korea 4 Lab. of Control and Measurement, Mechanical Eng., Soongsil University 1-1, Sangdo 5 dong, Dongjak-gu, Seoul 156-743, Korea awoong25@korea.ac.kr, b djoh@andong.ac.kr, ckwkang68@sports.re.kr, dyoung@bmvitek.com Keywords: Pseudo Crack Model, Cracking and Un-cracking Delamination, Fiber Reinforced Metal Laminates (FRMLs), Crack Consumption Rate (Ccrack), Delamination Consumption Rate (Cdel) Abstract.
Mai: Progressive Damage and Residual Strength of a Carbon Fiber Reinforced Metal Laminates (Journal of Composite Materials, USA 1997), Vol. 31, No. 8, pp. 762~787
Kim: Fatigue Crack Growth Behaviors in Al-Si-Mg Sand Cast Alloys (Metals and Materials International, Korea 2004), Vol. 10, No. 1, pp. 13~18
Marrisen: Fatigue Crack Growth in ARALL-A Hybrid Aluminum Aramid Composite Material (Ph.
Kim: Fatigue Crack and Delamination Behavior in the Composite Material Containing a Saw-cut and Circular Hole (I) -Aramid Fiber Reinforced Metal Laminates- (Transaction of the KSME, A, Korea 2003), Vol. 27, No. 1, pp. 58~65.

Materials and methods Materials: [CH3(CH2)3O]4Ti, DMAc, Fe(NO3)3·9H2O, 30% H2O2, Orange IV, t-butanol, EDTA and other chemicals were of analytical grade and used without further purification.
Acknowledgments This work was supported by the National Natural Science Foundation of China (No. 50978067), National Key Technology Support Program (2006BAJ08B05), the 11th Five-year specific events of water (2008ZX07421-002, 2009ZX07424-005, 2009ZX07424-006) and the Doctor Research Fund of Northeast Dianli University (No.
Hu: Chemical Propellants & Polymeric Materials Vol. 7(3) (2009), p. 6 “In Chinese” [2] X.H.
Hidaka: Journal of Molecular Catalysis A: Chemical Vol. 129(2-3) (1998), p. 257

Methodology Materials.
This value is significant as normally produced water itself contains toxic materials and dispersed oil which may retard the growth of some microorganisms.
This high value may result from the high content of organic materials and dissolved solids in the samples.
Verbeek, 2003, Water to Value – Produced Water Management for Sustainable Field Development of Mature and Green Fields, Journal of Petroleum Technology, Jan. (2003) 26-28
Montmorillonite as a component of polysulfone nanocomposite membranes, Applied Clay Science 48 (2010) 127-132

Materials and Methods Materials.
Acknowledgements This work was financially supported by Key Planning Project of Science and Technology of Fujian Province, China (Grant number 2011N0035), and Xiamen University Students' Innovative Entrepreneurial Training Plan Program, (Grant number DC2011133).
Pang: The Chinese Journal of Process Engineering. 10 (2012), 65-69
Gao: Applied mechanics and materials vols. 184-185 (2012), 1099-1102

Advances in ground source heat pump systems applied in most areas of China: A review Wang Xin1, a ,Liu Hong1, b and Xue Didi1, c 1College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024,China awang885857@126.com, bliuhong778878@163.com, c944215750@qq.com Keywords: ground source heat pump, thermal imbalance, study prospects.
[5] Fahui Wang,Junyong Sang,Dan Zhang.Numerical Analysis of Soil temperature Distribution around buried tube for Ground-source heat pump.Applied Mechanics and Materials Vols 170-173(2012) pp 2525-2528
[6] Guomin Shen,Yang Xu,Jingyu Zhou,Pingfang Hu,Hang Xiao.The Study of Soil Temperature Change of GSHP System in Winter Conditions.Applied Mechanics and Materials Vols.405-408(2013) pp 2969-2974
[7] Xiao-Bin ZHANG,Wei-Bing ZHU,Si-Peng Tan.Characteristics Analysis of Soil Temperature of Surrounding Underground Pipe of Ground Source Heat Pump When Thermal and Seepage Coupled.Applied Mechanics and Materials Vols.48-49(2011) pp 304-307
[10] YANG Yan,ZHAI Xiao-Qiang,YU Xin,WANG Ru-Zhu.The Experimental Study on Heat Balance and Soil Temperature Distribution of Ground Source Heat Pump of Air-Conditioning System.Journal of Engineering Thermophysics,Vol.32,No.11,Nov.2011,1819-1822

Introduction As silicon-based power devices are approaching their theoretical limits, research concern is now focused on the development of alternative materials [1].
SiC material, with its superior properties of high breakdown field and high thermal conductivity, is a prominent material for power device.
To our knowledge, this is the excellent EAS data for 4H-SiC power rectifiers, even better than other materials.
Acknowledgment This work was supported in part by the Key Area R&D Program of Guangdong Province under Grants 2020B0909030003，the National Natural Science Foundation of China under Grants 62174123, the Innovation Capability Support Program of Shaanxi under Grant 2021TD-04 and the Fundamental Research Funds for the Central Universities under Grant ZYTS23035.
Zhang, The 2018 GaN power electronics roadmap, Journal of Physics D: Applied Physics 51(16) (2018) 163001