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Polyvinylidene fluoride (PVDF) is a hydrophobic polymeric material which is commonly used to prepare MD membrane.
Experimental Materials.
El-Bourawi, Z.Ding, R.Ma and M.Khayet, A framework for better understanding membrane distillation separation process, Journal of Membrane Science. 285 (2006) 4-29
[3] M.Tomaszewska, “Membrane Distillation – Examples of applications in technology and environmental protection,” Polish Journal of Environmental Studies. 9 (2000) 27-36
Lee, Synthesis of a new type of surface modifying macromolecules (nSMM) and characterization and testing of nSMM blended membranes for membrane distillation, Journal Membrane Science. 277 (2006) 177–185

Liu, et al: Journal of University of Science and Technology Vol. 22 (2000) No.5, p. 467 [4] S.L.
Zuo et al: Journal of Applied Science Vol. 21 (2003) No.4, p. 423 [5] H.Q.
Li, et al: Advanced Materials Research Vols. 24-25(2007),p.377-382 [7] R.F.
Li, et al: Key Engineering Materials, Vols. 359-360(2008), p.285-289 [8] R.F.
Li, et al: Materials Science Forum Vols. 532-533(2006), p.464-467 [9] T.

The two kinds of hard coatings are modeled by both anisotropic materials and involving their piezoelectric or piezomagnetic effects.
In this paper, two typical hard coating material are studied, namely the piezoelectric material PZT-5A with piezoelectric effect and piezomagnetic materials CoFe2O4 with piezomagnetic effect (Hereinafter abbreviated as A and B).
Hard coating material parameters of the blade in the engineering are different, but these two materials have a certain comparability.
Tomlinson: Smart Materials Bulletin, Vol. 8 (2001), p.10 [3] P.J.
Shen: Journal of Sound and Vibration, Vol. 245(2001) No.4, p.701 [6] C.

The different hardening effect on materials caused by the same amount of creep and plastic deformation can attribute to the difference between the substructures resulted from the different loading history.
Acknowledgments Financial support from the Chinese National Science Foundation through the contract of 10776023 is appreciated.
[7] E.H.Jordan, K.P.Walker, A Viscoplastic Model for Single Crystals, Journal of Engineering Materials and Technology, 114, 19-26. (1992)
Lalwani, Thermodynamics of internal variables in the constitutive of the absolute reaction rate theory, The Journal of Chemical Physics, Vol.67,No.9,pp. 3980-3990
Effects of Prior Creep on Subsequent Plasticity of Type 316 Stainless Steel at Elevated Temperature, Journal of Engineering Materials and Technology, Vol.105,pp. 257-263. (1983). 150 200 250 300 350 0 1 2 3 4 5 pr i or cr eep: 0. 50% pr i or cr eep: 0. 75% pr i or cr eep: 1. 00% pur e t or si on Fig. 6(b) Calculated results of after prior creep )(3 MPaτ (%)3/γ ε 3/γ Cr eep Pl asi t i c Fig.6(a) Experimental results of after prior creep (%)3/γ ε 3/γ Cr eep Pl asi t i c )(3 MPaτ

–Toxicology studies using the more complex nanomaterials are required with some attempt at prioritisation of those materials in most need of assessment (c.f.
Cobb:Science CommunicationVol. 27(2005), p.221 [4] M.
Roco: Journal of Nanoparticle Research Vol. 5(2003), p.181
Roco: Journal of Nanoparticle Research Vol. 8 (2006), p. 153
Morrison: Science and Technology of Advanced Materials Vol. 8(2007), p. 19

Introduction For a long period of time in 21st century, one of the main features for the development of material science & technology is that the material properties and shaped sizes are accurately controlled in the whole processes of designing, preparing, forming/moulding and processing[1].
References [1] Xie Jianxin, "Developing Situation and Prospects of Materials Processing Technologies", CHINESE JOURNAL OF MECHANICAL ENGINEERING, 2003, 39(9): 29-34
[4] Y.Tang, J.Y.H.Fuh and H.T.Loh, "Direct laser sintering of a silica sand", Materials and Design, 2003, (4): 623-629
[6] Esposito Corcione AG C and Montagna F, "Silica Moulds Built by Stereo lithography", Journal of Materials Science, 2005, (4): 123-139
[9] CAO La-mei, TANG Xing, ZHANG Yong, XUE Ming, LI Ai-lan, GAI Qi-dong, LIU Fa-xin, "Progress of Advanced Near Net-Shape Investment Casting Technology of Superalloys", JOURNAL OF AERONAUTICAL MATERIALS, 2006, 26(3): 238-243

Mixing proportion of materials in concrete specimens is Portland cement: sand: gravel: water = 1:0.951:2.326:0.41 (weight ratio), in which the strength grade of Portland cement is 42.5MPa, diameter of gravel is 5 to 8mm.
Behavior of quasi-brittle material at high strain rate experiment and modeling, European Journal of Mechanics, 1998, 17(3):403-420
[15]Xie Dimin Qian Zaici Research on bond and tension of concrete after high temperature, JOURNAL OF ZheJiang University (Engineering Science) ,1998,32(5):P597-602
Pore structures, permeabilities, and compressive strengths of concrete at temperatures up to 800℃, ACI Materials Journal, March-April, 2000, 196-200
[17] Qian Zaizi,Wu Hui, Research on concrete after high temperature by SEM, Journal of Fuzhou University (Natural Science), 1996, 24(supple) 28-34

Introduction Modification of the surfaces of technical materials is applied to change their surface properties.
Szymczyk, Application of high intensity pulsed ion and plasma beams in modification of materials, Vacuum 63 (2001) 475-581
Applied Surface Science 199 (2002) 107-122
Wu, Microstructure and mechanical properties of 17-4PH steel plasma nitrocarburized with and without rare earths addition, Journal of Materials Processing Technology 210 (2010) 784-790
Qin, Existing Forms of Lanthanum in Purity Steels, Journal of Rare Earths 24 (1) Suppl. 1 (2006) 405-408

Methodology Materials.
Overall, the prepared activated biochar presents much better statistics than previously reported materials.
Bimaghra: Materials Today: Proceedings. (2022) 66:259-67
Cha: Journal of Dispersion Science and Technology. (2019)
Urabe: International Journal of Environmental Science and Development. 2013 1;4(5):558

Most of the self-illumination products manufacturers import luminous materials from the company of China.
It is different with adding different kind and quantity of radioactive ray materials.
It is called green energy-saving materials.
Sullivan: Experimental Thermal and Fluid Science Vol. 10 (1995), p. 101-112 [10]Jia W, Yuan H and Holmstrom S: Journal of Luminescence Vol. 83 – 84 (1999), p. 465 - 469
Laven: Progress in Organic Coatings Vol.68 (2010), p.12–18 [17]Z.Chena, Y.W.Yan and J.M.Liu: Journal of Alloys and Compounds Vol. 478 (2009), p.679–683 [18]Hom Nath Luitel, Takanori Watari and Toshio Torikai: Applied Surface Science Vol. 256 (2010), p. 2347–235 [19] Wen Pan, Guiling Ning and Xu Zhang: Journal of Luminescence Vol.128 (2008), p.1975–1979 [20] Hyeong Seok Lee and Jung Whan Yoo:Applied Serface Science (2011), in Press