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The primary objectives include investigating the mechanical properties of used construction steel, and evaluating the feasibility of reusing the old materials in green construction projects.
Building renovation of existing buildings and adaptive reuse of materials and components of a building can contribute to slowing down the resource consumption and the negative environmental impact due to material disposal, and new manufacturing.[1].
It addresses the challenge of insufficient information on recycled materials, which limits the reuse of construction steel.
Journal of Engineering Research and Technology
Materials Science and Engineering: An Introduction, 7th Edition

However they are using chemicals and heavy materials, which will affect to environment badly.
However, they are using chemicals and heavy materials, which will affect to environment badly.
Acknowledgements This research was partially supported by the Ministry of Education, Science, Sports and Culture, Grant-in-Aid for Young Scientists (B), No. 21760178, 2009 and Tokyo Electric Power Company Research Foundation, general research grant of electricity and energy, 2009.
(CD-rom) [7] Nobuyuki Kurita, Yohji Okada, Satoshi Kodama, "Development of Lossless Magnetic Bearing and Application", 6th Korea Japan Symposium of Frontiers in Vibration Science and Technology, pp. 21-24 (2005) [8] Nobuyuki Kurita, Ken-ichi Matsuda, Yohji Okada, "Development of Loretnz force type magnetic bearing", Journal of the Japan Society of Applied Electromagnetics and Mechanics, Vol. 10, No. 3, pp. 314-319, 2002.
(In Japanese) [9] Nobuyuki Kurita, Noboru Kuroki, Yohji Okada, "Development of Loretnz force type magnetic bearing for small-sized energy storage flywheel system", Journal of the Japan Society of Applied Electromagnetics and Mechanics, Vol. 17, No. 2, pp. 227-231, 2009 (In Japanese).

Experimental Procedure The compositions investigated in the present study were TiFe, FeNCr, titanium sponge and carbon powder (listed in table 1) as raw materials.
The phase identification of the materials was determined by X-ray diffraction (XRD, BRUKER D8 X-ray).
(a)20vol.% (b) 30vol.% (c) 40vol.% Fig. 2—XRD pattern of Ti(C, N)/Fe Composites metal materials 3.3Mechanical Properties Effect of Ti(C,N) content on hardness (HV) is shown in Fig.3.
J Material &Heat Treatment.2011, 3, 10, NO.1:65-69
J Journal of Northeastern University (Natural Science), May 2010, 31, No. 5:660-664.

Journal of Composite Materials 40(2), 119–141 (2006) [3] F.
Chaboche: Mechanics of Solid Materials.
Journal of Composite Materials 42(1), 25–44 (2008) [15] P.
Composite materials series, vol 9.
Berthelot: Composite Materials.

Maurya: Journal of Materials Research and Technology Vol. 6 (2017), p. 289
Pan: Construction and Building Materials Vol. 114 (2016), p. 737
Karaoglanli: Materials Today: Proceedings Vol. 11 (2019), p. 516
Vieira: Journal of Materials Research and Technology Vol. 7 (4) (2018), p. 612
Monteiro: Materials Science Forum Vols. 727-728 (2012), p. 959

This paper mainly discusses the structural and material characteristics of this sensor, as well as the performance test analysis of this strain sensor.
This sensor is made up of quenched phosphor bronze, which improves the material’s strength, stiffiness, abrasivity, fatigue strength and toughness greatly.
And further research into the material’s anti-oxidation also needs to be carried out.
Journal of Chongqing Normal University (Natural Science), Vol. 26-4(2009) Vol. p.101-105 [3] Chen Guanghua, Ju Na, Yang Fei and Li Jianwe: Monitoring system for vehicle overloading base on paste-type strain sensor.
Journal of Beijing University of Aeronautics and Astronautics, Vol. 37-4(2011) p.409-414 [4] Jian Su, Shuri Cai, Jinquan Zhang et al.

Introduction The investment on infrastructure systems (such as reservoirs, bridges, pipelines, airports) usually represents the progress of civilization and their quality reflects the advances in engineering science and technology [7-16].
Schematic of the problem Suggested material prosperities are given in Table 1.
Material properties of the beam Physical parameters Cantilever beam Piezoelectric(PVDF): sensor Length(m) lb=1 (m) lp =0.1(m) Width(m) b=0.1(m) b=0.1(m) Thickness(mm) tb =0.02(m) ts =0.001(m) Density(kg/m3) ρb=8030(Kg/m3) ρs=7700(Kg/m3) Young's modules(GPa) Eb=210(Gpa) Es=68(Gpa) PZT strain constant 125×10-12 (m/V) PZT stress constant 10.5×10-3 (VmN-1) The problem has been modeled using a simply supported beam of length 1 meter, under static loading.
Negin Mortazavi, “Simulation of Vortex Ring Permeation in Porous Media,”Journal of Porous Media, Volume (16) Issue (7), pp 597-605, 2013 [8] S.
Alizadeh-Pahlavan,”Oblique Stagnation Point Flow of a Thermodynamically-Valid Walters’ B Liquid: a Series Solution” International Journal of Applied Mechanics and Engineering, Volume (14) Issue (3), pp 829-852, 2009

Using library rich collection resources, including books, periodicals, electronic publications in the form of material library, and the large amount of material on the Internet, and so on.
The overall design for art resources database Academy of fine arts in library collection, mainly to collect fine arts theory, skill books, picture albums, art journals and generations of painting and calligraphy treasures for collection features.
DeNora: The Annals of the American Academy of Political and Social Science, Vol.629 (2008) No.1, p. 237
Coffey: Journal of personality and social psychology, Vol.95 (2008) No.5, p.1045
Bhattacherjee: Journal of Management Information Systems, Vol. 24(2007) No.2, p. 221-260.

Characterization of Nanocrystalline Titania Thin Film Deposited by Spray Pyrolysis Technique Lan Anh Luu Thia, Duc Hieu Nguyenb, Mateus Manuel Netoc, Ngoc Trung Nguyend and Thach Son Voe School of Physics Engineering, Hanoi University of Science and Technology, N1 Dai Co Viet Street, Hai Ba Trung District, Hanoi, Vietnam a Anhltl-iep@mail.hut.edu.vn, b hieu145@gmail.com, c mateusneto93@yahoo.com.br, dnntrung-iep@mail.hut.edu.vn,e sonvt@mail.hut.edu.vn Keywords: Titania, nanocrystalline, thin films, sprays pyrolysis deposition Abstract.
[3] Nguyen Duc Hieu, Tran Thanh Thai, Luu Thi Lan Anh, Vu Thi Bich and Vo Thach Son, The 6th Vietnam-Korea International Joint Symposium on Advanced Materials and Their Processing - Hanoi, Vietnam - November 04-05, 2011
Fujishima, Japanese Journal of Applied Physics, 2005, Vol. 44, No. 12
[9] Shailesh Pawar, Manik Chougule, Sanjay Patil, Bharat Raut, Dhanaji Dalvi, Pramod Patil, Shashwati Sen, Pradeep Joshi, Vikas Patil, Journal of Sensor Technology, 2011, 1, pp.9-16
Vishnyakov, Journal of Photochemistry and Photobiology A: Chemistry, 2010, 211, pp. 59–64

The second way is to main journals for lubricating the main bearings, then to reach the connecting rod journal through the inclined oil gallery for lubricating the connecting rod bearing.
According to materials[6], “t” should generally be greater than 0.5min, the oil pan and oil pump designed to meet the matching requirements.
Beijing: Institute of Science Press(1999) [8] P.
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology.