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Material characteristics of Zinc Oxide doped Al are investigated for microharvester.
An array of piezoelectric nanorods with a zigzag layer has more efficient energy conversion than those of bulk and film types piezoelectric materials due to its larger geometrical strain to area ratio.
Acknowledgements This work was supported by the National Science Council of Taiwan under Grants No.
Mitra, Journal of Physical Sciences, 12 (2008) 221-229
Yi, Materials Letters, 65 (2011) 786–789

The purity can be increased by removing the particles of carbonaceous materials (amorphous carbon particles, fullerenes and nanocrystalline polyaromatic shells) and metal catalysts (generally compounded by Co, Ni or Fe) [2] using refluxing process.
The G mode is related to the vibrations in all sp2 carbon materials [5].
Kalenczuk: Oxidation and reduction of multiwalled carbon nanotubes-preparation and characterization, Materials Characterization 61 (2010) p185-191
[5] B.Scheibe, E.B.Palen, R.J.Kalenczuk: Oxidation and reduction of multiwalled carbon nanotubes - preparation and characterization, Materials Characterization 61 (2010) p 185-191
Shia, C.F.Chena: Purification of multi-walled carbon nanotubes by microwave digestion method, Diamond and Related Materials 13 (2004) p1182–1186.

An ultraviolet light was introduced to illuminate the flow field in the area under investigation, so that the camera can easily shot the image of flow field through the transparent materials of the front cover in the flapper nozzle assembly.
Haijun and Lu.Xianghui: Chinese Journal of Mechanical Engineering.vol.22(1), (2009), pp.102-108 [3] S.Steven and S.
Zong: Chinese Journal of mechanical Engineering,vol.23(1),(2010) pp. 27-37 [6] X,Junlong, W,Xuejun, Wu,Guanghui and Wu,Keqi: Journal of thermal science, vol.13(4), (2009), pp.321-327 [7] B.
Driscoll: Experiments in fluids vol.48 (3), 2010 pp. 487-495 [8] P.Mavros and C.Xuereb: Chemical Engineering Science vol.57 (18), (2002) pp.3939-3952
Vol.62 (11), (2011), pp. 847-850 [15] C.Cierpka, R.Segura, T.Hain: Measurement Science &Technology with errors due to depth of correlation and spatial averaging for micro fluidics, Measurements Science &Technology, vol.21, (4), (2010) Article Number 045401, [16] O.Adreev, A.Kobzev, Yu.Kolesnikov, and A.Thess: 12th euromech European Turbulence conference, Marburg, Germany, (2009) [17] A.Voigt, C.Bayer, K.Shirai: Applied optics vol.47 (27) (2008), pp. 5028-5040 [18] M.Geveci, P.Oshkai, D.Rockwell, J.C.Lin, and M.Pollack: Journal of fluid and structure, vol.18 (6), (2003), pp.665-695

Dry foam is mainly used for extinguishing class A fires and applying a protective layer to prevent ignition of combustible materials, extinguishing technological equipment under current.
Abduragimov, On the problem of extinguishing large fires of solid combustible materials in buildings within the city, Fire and explosion safety, 2 (2012) 75–78
Saveliev, Study insulating and cooling roperties of the material on the basis of crushed foamglass and determination of its extinguishing characteristics with the attitude to alcohols, Materials Science Forum, 1006 MSF, (2020) 62–69
Sharshanov, Simulation of the insulating properties of two-layermaterial, Functional Materials, 25 4 (2018) 774–779
Vinogradov, Consideration of thermodynamic processes formation of compressed-air foam in desing compressed air foam systems,Materials Science Forum, 1006 (2020) 11–18

Ductile iron QT800-2 is selected as the roll material and 27CrMo47V steel is selected as the billet tube material.
Acknowledgment The authors gratefully acknowledge the Tianjin Natural Science Foundation (Grant No. 15JCYBJC48000) for financial support of this research work.
Journal of Mechanical Engineering. 14 (2015) 45-50
Journal of Vibration.
Journal of China University of Petroleum. 5 (2014) 165-171.

Journal of Heat Transfer Vol.121(2) (1999 ), p. 280 [2] Li, X.
Li International Journal of Heat and Fluid Flow Vol. 21(1) (2000), p. 58 [5] Patel, H.
AIChE Journal Vol.49(4) (2003), p. 1038 [7] Keblinski P, Phillpot SR, Choi SUS, Eastman JA.
The Journal of Physical Chemistry B Vol. 110(9) (2006), p. 4323 [9] Khanafer, K., et al.
Advanced Materials Research Vols. 560-561 (2012), p. 1184

The details of RC columns are show in Table 1, and the material properties of reinforcement bars are shown in Table 2.
Jiang: China Civil Engineering Journal Vol. 36 No. 5 (2003), 71-75
Wang: Journal of Southeast University Vol. 32 No. 5 (2002), 728-732
Li: Journal of Building Structures Vol. 22 No. 5 (2001), 26-30
Li: Journal of Lanzhou Railway University Vol. 19 No. 1 (2000), 13-16

Acknowledgements This investigation is supported by the National Nature Science Foundation of China (No.10372076), for which the authors are grateful.
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[6] Ji Cong，Xu Hui, Xu Linqin: Journal of Mechanical Science and Technology for Aerospace Engineering, 2007, 26:1130~1134.

Topolska, The role of quality control operations in a process of plastic forming, Journal of Achievements in Materials and Manufacturing Engineering 23/2 (2007) 95-98
Topolska, Quality control in the process of rings of train wheels manufacturing, Journal of Achievements in Materials and Manufacturing Engineering 31/2 (2008) 712-718
Topolska, The effect of long-term service at elevated temperatures on structure and mechanical properties of Cr-Mo-V steel, Journal of Achievements in Materials and Manufacturing Engineering 49/1 (2011) 33-39
Topolska, J, Łabanowski, Corrosion of evaporator tubes in low emission steam boilers, Archives of Materials Science and Engineering 42/2 (2010) 85-92
Świder, Hybrid graphs in modelling and analysis of discrete-continuous mechanical systems, Journal of Materials Processing Technology 164-165 (2005) 1436-1443

Materials and Methods Iron Shavings and Copper Shavings.
The color of fine chemical and printing and dyeing wastewater is produced by the organic materials with chromophoric groups.
The kind of materials not only produces chromaticity but also is biodegraded difficultly.
Fan: Journal of Hazardous Materials (2005) [7] J.H.
Ma: Journal of hazardous Materials (2009) [11] National Environmental Protection Agency.