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Equations of Motion for the Cantilevered Piezoelectric Beam Five layers Figure 1 The bistable cantilevered piezoelectric beam Figure 2 A schematic representation of the layers of material. 1.polyester, 2.PVDF, 3.brass, 4.PVDF, 5.polyester The geometry model as shown in Figure 1, the material of each layer is shown in Figure 2.
Journal of Intelligent Material Systems and Structures 24(11), pp.1303-1312, 2013
Anderson, Detailed models of piezoceramic actuation of beams, Journal of Intelligent Material Systems and Structures 1(1), pp.4-25, 1990
Shahruz, Increasing the efficiency of energy scavengers by magnets, Journal of Computational and Nonlinear Dynamics 3(4), pp.1-12, 2008
Pai, Linear and nonlinear structural mechanics, New York: Wiley Series in nonlinear Science Wiley, 2004

The materials loss the original structure and could not bear load any more.
Journal of Composite Materials, 2006. 40(14): 1287-1299
Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing, 2008. 472(1-2): 52-58
Journal of Materials Science, 2000. 35(24): 6151-6154
Journal of Composite Materials, 2013, doi: 10.1177/ 0021998312473859

Adsorption uses an adsorbent, which is a material that allows the substrate or solvent molecule to adsorbs to its surface, and various materials have been employed as adsorbent in treatment of wastewater.
Experiment Experimental materials and instruments.
Materials used are tea waste (Camellia sinensis) that collected from students’ cafeteria in UMP.
Utama, Removal of Methylene Blue form aqueous solution using spent bleaching earth, IOP Conference Series: Materials Science and Engineering, 345 (2018)
Mohan, Removal of Hazardous Indigo Carmine Dye from Waste Water Using Treated Red Mud, Materials Today: Proceedings. 17(2019) 198-208

Nowadays, more and more new materials are applied in strengthening.
Journal of Kunming University of Science and Technology (Science and Technology).
Journal of Wood Science.
Journal of Wood Science.
Journal of Basic Science and Engineering.

Recovery of waste PCBs is an important subject not only from the point of waste treatment but also from the recovery of valuable materials.
Recently, we apply this microorganism leaching approach to the extraction of electronic waste material and got very good results.
Material and methods The elements in PCB scraps used in this study are Cu:25.06; Fe: 0.66; Pb: 0.80; Zn: 0.04; Ni: 0.0024.
References [1] Jirang C., Eric F.: Journal of Hazardous Materials Vol.
，Jinghe, Ch.,: Hydrometallurgy(in Chinese) Vol. 83(2006), p.77 [7] Guiying, Zh., Renman, R., Jiankang, W., Biao, W.,: Journal of University of Science and Technology Beijing(in Chinese) Vol. 30(1) (2008), p.11 [8] Jiankang, W., Renman R., Jinghe, Ch., Jianhui, W.,: Chinese Journal of Rare Metals (in Chinese) Vol. 50(5) (2006), p.661 [9] Mingling, W., Renman, R., Yonggong, Zh,, Jiankang, W.: Nonferrous Metals(in Chinese) Vol. 59(3) (2007, p.43 [10] Tao Y., Zheng X., Jiankang W., Limei Y.: Chinese Journal of Environmental Engineer (in Chinese) Vol. 3(5) (2009) p.915

In the paper it is presented some considerations concerting the characterizing emissivity of construction materials in connection with 3D surface topography.
Normally, object materials and surface treatments exhibit emissivities ranging from approximately 0.05 to 0.99.
All total radiative properties of materials can only be regarded as fuction of viewing angle and temperature.
An analysis of the emmssivity as a function Rq demonstrates that a treatment of the surface in terms of Rq is absolutely insufficient to predict radiative properties of materials [4].
Chrzanowski, Problem of Determination of Effective Emissivity of some Materials in MIR Region, Infrared Phys.

[9] Matecki, A. et al.: Materials Research Bulletin Vol. 30 (6) (1995), p. 73l.
Pathak et al.: Materials Science and Engineering B Vol. 110 (2004), p. 119.
Kondo: Materials Letters Vol. 56 (2002), p. 329
Othman et al.: Arab Journal of Nuclear Science and Applications Vol. 45(4) (2012), p. 335
Caldart et al.: Materials Science Forum Vols. 727-728 (2012), p. 499.

Lee: Chemical Engineering Journal, Vols. 195-196 (2012) No.13, p.392
Weber: Journal of hazardous materials, Vol. 300 (2015) No.20, p.711
He: Environmental science & technology, Vol. 45 (2014) No.10, p.5816
Zhang: Journal of hazardous materials, Vol. 186 (2011) No.2-3, p.1392
Wang: Microporous and Mesoporous Materials, Vol. 138 (2011) No.1, p.118

Badamshinad 1Institute of Problems of Chemical Physics of Russian Academy of Sciences,1 Ac.
Dong, Preparation and Properties of Two-Component and Double-Crosslinking Waterborne Polyurethane-Acrylic Dispersions, Open Journal of Organic Polymer Materials, 3 (2013) 27-33
Lee, Waterborne polyurethanes and their properties, Journal of Polymer Science: Part A:Polymer Chemistry,34-6 (1996) 1095-1104
Zhong, Synthesis and adhesion properties of waterborne polyurethane dispersions with long-branched aliphatic chains, Journal of Applied Polymer Science,132-12 (2015)
[9] ASTM D2572-97 “Standard Test Method for Isocyanate Groups in Urethane Materials or Prepolymers”, 2010

Moreover, the two materials match well, so Ti3O5 and SiO2 are the initial choice as the materials of high and low refractive index respectively [5].
The main parameters of the materials are shown in Table 1.
[2]Jing Zhang, De Gui Sun, Xiu Hua FU, Dong Mei Liu, Key Engineering Materials,147(2013),
[4]Hao Long Tang, Xiu Hua FU，Guo Jun Liu, Key Engineering Materials,152(2013)
(in Chinese) [6]FU Xiu-hua, TANG He-yue, LIU Dong-mei, Journal of Changchun University of Science and Technology (Natural Science Edition) 35, 37(2012).