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Journal Citation (to be inserted by the publisher ) Copyright by Trans Tech Publications Effect of Surface Morphology and Crystal Structure on Bioactivity of Titania Films Formed on Titanium Metal via Anodic Oxidation in Sulfuric Acid Solution Tian-Ying Xiong 1 , Xin-Yu Cui 1,2 , Hyun-Min Kim 3 , Masakazu Kawashita2 , Tadashi Kokubo4 , Jie Wu1 , Hua-Zi Jin1 and Takashi Nakamura5 1 Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang, 110016, P.R.
China tyxiong@imr.ac.cn 2 Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan 3 Department of Ceramic Engineering, School of Advanced Materials Engineering, Yonsei University 134 Shinchon-dong, Seodaemun-gu, Seoul 120-749, Korea 4 Research Institute for Science and Technology, Chubu University, 1200 Matsumoto-cho, Kasugai-shi, Aichi 487-8501, Japan 5 Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan Keywords: titanium metal, anodic oxidation, sulfuric acid solution, apatite, simulated body fluid Abstract.
They are called bioactive ceramics, and have been used as important bone repairing materials.
An essential requirement for an artificial material to bond to living bone is the formation of a bonelike apatite layer on its surface in a body environment.

Experimental Materials All chemicals were obtained commercially and used without further purification unless otherwise stated.
Polymeric Materials Encyclopedia, edited by J.C.
Epoxidized Natural Rubber, volume 4, chapter 3, Elsevier Applied Science (1987)
Materials: from Fundamentals to Applications, volume 5 of Research at Universiti Sains Malaysia, Universiti Sains Malaysia (2005)
Chinese Journal of Chemistry Vol. 27 (2009), p. 369

Every violation of optimal production technology causes irreversible changes in the material that are visible on the fracture after breaking.
Material degradation of engineering components can occur when any of production technologies is applied.
The using of scanning electron microscopy (SEM), allowing simple and operational evaluation of micromorphology of fracture surfaces, brought huge development to the fractography science.
The flakes are occurring by acting of hydrogen content and high internal stress due to cooling of a material to the relative low temperatures.
Pietikeinen, Observations about tempered martensite embrittlement, Scandinavien journal of Metalurgy, 34, 2005, 1

Evaluation of Gold Geochemical Anomalies in the Liaodong Paleorift XU Shan 1, WANG Miao 2, LIU Changchun 3, LI Shouyi 1 1College of Earth Sciences, Jilin University, Changchun 130061, China 2Jilin Nonferrous Metal Geological Exploration Bureau, Changchun 130026, Jilin, China 3Liaoning Survey Academy of Geology and Mineral Resources, Shenyang 110032，China Keywords: Liaodong Paleofrifta; Geochemical Anomaly; Multivariate Statistical Analysis; Ore-caused Anomalies Abstract. 89 Au geochemical anomalies are delineated by using 1/200000 regional geochemical exploration data.
The geochemical characteristics of the area In this paper, the geochemical l information is analyzed and also the distribution law related to the mineralization within the studied area is studied on the basis of the previous geological research work, and then the causes and mineralization trend of Au are explained from the perspective of the material flow of element [13].
Earth Science Frontiers, 2012, 19 (3): 49~58
Journal of Geochemical Exploration, 1999, 67 (1~3): 345~360
Earth Science Frontiers, 2003, 10 (1): 257~260.

When one extrapolates this argument to nanomaterials under the different external conditions, one concludes that their thermodynamic and kinetics should differ from the one of bulk material.
Work was also partially supported by the Ministry of Education and Science of Ukraine.
Schmelzer: Journal of Colloid and Interface Science Vol. 181 (1996), p. 503
Alivisatos: Science Vol. 276 (1997), p. 398

The reasons influencing the factor are mainly itself material limits and temperature shock times too frequently on catalyst caused by the frequent start.
Journal of Hebei University of Engineering ( Social Science Edtion).Vol. 27 (1) (2011), in Chinese
Science Press.
Science Press.2010.2 BeiJing(2010) ,in press, in Chinese

Thirdly, Beijing is the nation's cultural center and science & technology center.
Science & technology has become the subject of modern society.
The government contributed 200 million and Municipal Commission of Science and Technology contributed 50 million to get the suburbs of Beijing installed with solar street lamp and solar lamp of which there were about 20,000 solar street lamps.
The advantaged geography and quality and sufficient solar resources lay a material foundation for photovoltaic power generation.
References [1] Deng Junying and Cao Shuyan: Problems and Mode of Sustainable Development of Energy Development in Beijing, 2008(05), Journal of Beijing Electric Power University

INTRODUCTION Magnetorheological fluids are included in the category of Smart Materials because their viscosity can be controlled by an external stimulus.
Weiss, ‘Magnetorheological materials based on alloy particles’, US5382373A, Jan. 17, 1995 Accessed: Jan. 07, 2021.
Munoz, ‘A model of the behaviour of magnetorheological materials’, Smart Mater.
Magnetorheological Fluid-Based High Precision Finishing Technology’, in RSC Smart Materials, N.
Brunetti, ‘Magnetorheological fluids applications’, in Reference Module in Materials Science and Materials Engineering, 2021.

Acknowledgements This work was supported by the Ministry of Education and Science of Ukraine.
IOP Conference Series: Earth and Environmental Science, 61, 012007. https://doi.org/10.1088/1755-1315/61/1/012007 [12] Paggi, M., Ferro, G., & Braga, F. (2013).
Journal of Environmental Radioactivity, 78(2), 137-149. https://doi.org/10.1016/j.jenvrad.2004.04.004 [20] Hladkaia, E.V., Revva, V.N., & Riazancev, N.A. (2001).
Failure criteria for structurally heterogeneous materials.
Determining the impact of faukt amplitude using models of equivalent materials for the conditions of the Lvivsko-Volynskyi coal basin.

Digital map data are the material data of geomorphologic features, including roads, hydrology, vegetation and other ground vector data.
Acknowledgements This work is supported by National Natural Science Foundation (NNSF) of China under Grant 21276137.
Journal of System Simulation, 2009 (11): 6689-6696
[2] Wang Chun, Li Lei, Yuan Jiwu, Zhai, Liangyun, Liu, Gang , Development of emergency drills system for petrochemical plants based on WebVR, Procedia Environmental Sciences, v 10, n PART A, p 313-318, 2011, 2011 3rd International Conference on Environmental Science and Information Application Technology, ESIAT 2011