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Historical area is the place for living reality, modern people has a close relationship with modern material life.
Visible, people realizes actively improve the material life environment is the important basis of the sustainable protection in history reserve.
Journal of Urban Architecture Vol.24 (2006) p. 32 [5] YANG Changming, XIN Tongsheng: The historical block protection and improvement in the process of the missing links.
Journal of City Building Vol.32 (2011) p. 46 [6] ZHAO Zhongshu: The characteristics of China's historical cultural city and numbers of problem during the protection.
Journal of City Planning, Vol.32 2008 (36), p. 68

Moon 1, e 1 Department of Mechanical and Precision Engineering, Pusan National University Busan, 609-735, Korea 2 Department of Metallurgical and Materials Engineering, Colorado School of Mines Golden, CO 80401, USA a bulkkot@pusan.ac.kr, b gengho77@nate.com, c winter@pusan.ac.kr, d cvantyne@mines.edu, e yhmoon@pusan.ac.kr Keywords: Hydroforming, Surface defects, Orange peel, Die lines, Formability, AA6061.
Sheikh: Material Manufacturing Processes, Vol. 19, No. 3(2004), p. 391 [2] B.J.
Imatani: Journal of Materials Processing Technology, Vol 48(1995), p. 27 [5] S.
Montheillet: Materials Science & Engineering, Vol. 283(2000), p. 274 [6] I.
Nielsen: Journal of Materials Processing Technology, Vol 146(2004), p. 377

Thermal spray technology, which combines strong roughness and easy processability of metallic substrates with high temperature resistance and abrasion resistance of ceramic materials, fully takes advantages of both types of materials, and is finding increasingly extensive applications [3~6].
However, abrasion is additionally concerned with breakage and migration of materials [3, 10].
We speculated that during the test, ceramic material as brittle material had poor ability to generate plastic deformation.
Journal of Ceramics, 2004, 25(3): 179-185
Journal of Tsinghua University (Science and Technology) , 2010, 32(5): 23-24

Materials and Methods Materials.
(Shandong, China) was used as raw materials.
Cereal Science, 8, 203
Journal of Cereal Science, 7, 275~282
Journal of Cereal Science, 22, 129~138.

Materials and Method Preparation of Hydroxyapatite.
Advanced Materials Research, 1125, 474-478
Paper presented at the IOP Conference Series: Materials Science and Engineering
Applied Mechanics and Materials, 773-774, 287-290
International Journal of Bioscience, Biochemistry and Bioinformatics, 3(4), 306

Insulating and Strength Properties of an Aerogel-Incorporated Mortar based on UHPC Formulations Serina Ng 1,a*, Linn Ingunn Christie Sandberg2,b, Bjørn Petter Jelle1,2,c 1SINTEF Building and Infrastructure, Department of Materials and Structures, NO-7465 Trondheim, Norway. 2Norwegian University of Science and Technology (NTNU), Department of Civil and Transport Engineering, NO-7491 Trondheim, Norway.
Thus, a drive to develop better and 'slimmer' materials is present to address this spatial challenge.
Experimental Materials.
Baetens, ”The path to the high performance thermal building insulation materials and solutions of tomorrow”, Journal of Building Physics, 34, 99-123, 2010
Gustavsen, ”Monodisperse hollow silica nanospheres for nano insulation materials: Synthesis, characterization, and life cycle assessment”, ACS Applied Materials and Interfaces, 5, 761-767, 2013

Shankar2,e 1Department of Mechanical Engineering and Materials Science, 636 Benedum Hall, Swanson School of Engineering, University of Pittsburgh, 3700 O’Hara Street, Pittsburgh, PA 15261, USA 2Department of Industrial Engineering, 1048 Benedum Hall, Swanson School of Engineering, University of Pittsburgh, 3700 O’Hara Street, Pittsburgh, PA 15261, USA a wiezorek@pitt.edu, b ggf3@pitt.edu, c JOI9@pitt.edu, d kulovits@andrew.cmu.edu, e ravish@pitt.edu Keywords: Nanocrystalline Grain Refinement, Austenitic Stainless steel, Grain Size Strengthening, Transmission Electron Microscopy, SPD Processing Abstract.
Kurzydlowski, Seventh International Conference on Nanostructured Materials, Germany, 2004, pp. 20
Outeiro, International Journal of Machine Tools and Manufacture 47 (2007) 462
Bahr, Journal of Manufacturing Science and Engineering, Trans.
Chazal, Machining Science and Technology 9 (2005) 131

Due to its lower cost and ease of operation, high velocity oxy-fuel (HVOF) thermal spraying has been widely adopted in many industries for the protective coating of various materials.
Experiments Materials and Preparations A commercially available HVOF system - Sulzer–Metco DJ 2600 spray system - was employed to spray WC/Co powder on the work-pieces.
Nanostructured Materials, 10(5), 875–891. 4.
Journal of Alloys and Compounds 2009;467; 163–167. 9.
Chou, Journal of America Ceramic Society, 91(2008 )1539. 12.

Materials and Methods Materials.
Materials Today: Proceedings, 2019. 13: p. 127-131. https://doi.org/10.1016/j.matpr.2019.03.201 [5] Farrokhpay, S., D.
Separation Science and Technology, 2007. 42(9): p. 2067-2080. https://doi.org/10.1080/01496390701310496 [20] Sarangi, K., B.R.
Solvent Extraction and Liquid Membranes: Fundamentals and Applications in New Materials, 2008: p. 141-200
Journal of Molecular Liquids, 2019. 280: p. 252-258. https://doi.org/10.1016/j.molliq.2019.02.025

In the application of heterogeneous catalyst, investigations were mainly focused on two types of materials: (i) iron-bearing oxide, such as magnetite[6], goethite[3], ferrihydrite[7], hematite[8], green rust[9], etc.
(ii) transition metals or iron oxides supported by a series of immobilized materials such as MCM-41, silica[10], and nafion membrane[11].
Experimental Chemical and materials.
Chiron, Chemical Engineering Journal. 144 (2008) 453-458
Ma, CIESC Journal. 61 (2010) 1001-1008(In Chinese)