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International Journal of Rock Mechanics & Mining Sciences, Vol. 39, 2002, pp.491–505
Sliding micro indentation fracture of brittle materials: Role of elastic stress fields.
Mechanics of Materials, Vol. 29, 1998, pp.143-152
Lateral Crack in Abrasive Wear of Brittle Materials.
Journal of Materials Science, Vol. 10, 1975, pp.113-122

Silver nanoparticles are important materials that have been studied widely.
Silver nanoparticles prepared by using biological materials have the properties of a high surface area, smaller in size and high dispersion.
Materials and Methods Materials.The fresh fruit of M. charantia (Fig.1) was collected from local vegetable garden.
Sorensen, "Synthesis of spherical silver nanoparticles by digestive ripening, stabilization with various agents, and their 3-D and 2-D superlattice formation," Journal of colloid and interface science, 284(2005) 521-526
Sakthivel, "Coriander leaf mediated biosynthesis of gold nanoparticles," Materials Letters, 62(2008) 4588-4590

Introduction Due to ever increasing prices and limited global resources of lithium raw materials, search for alternative battery chemistries is becoming highly urgent.
Materials and Methods Five different compositions of PVdF-HFP: NaBF4: EC: PC QSSPEs were synthesized as listed in Table 1.
Arof, Studies on sodium ion conducting gel-polymer electrolytes, Key Engineering Materials 594-595 (2014) 786-792 [6] D.T.
Le, Sodium ion conducting gel-polymer electrolyte using poly (vinylidene fluoride hexafluoropropylene), Materials Science and Engineering B 241 (2019) 27-35 [7] S.A.
Chandra, Experimental investigations on a sodium-ion conducting polymer electrolyte based on poly (ethylene oxide) complexed with NaPF6, Materials Science and Engineering B 34 (1995) 18-26 [8] A.

Acknowledgment The authors would like to thank to Advanced Material Research Group under Department of Physical science, Faculty of Science and Technology, Universiti Malaysia Terengganu for the help and guidelines given in finishing this research.
Materials Science and Engineering B.BB5 (2001)11-15
Materials Chemistry and Physics.134 (2012) 755-761
European polymer journal. 30 (2003) 897-902
Research Journal of Recent Sciences.1(11) (2012) 16-21.

Introduction The polypropylene spunbond nonwovens is the fastest-growing varieties in the nonwovens industry, it has the advantages of light weight, warmth, nice air permeability, low moisture regain and so on, the production are widely used in medical materials, geotextiles, filter materials[1-3].
Journal of Applied Polymer Science, 2001, 79(10): 1802-1808
Journal of Applied Polymer Science, 2001, 79(8):1497-1505
Journal of Membrane Science, 2002, 209(1): 255-269
Journal of Membrane Science, 2005, 260(1-2): 66–74

There has already been much progress in the synthesis, assembly and fabrication of nanomaterials, and, equally importantly, in the potential applications of these materials in a wide variety of technologies.
Science, 2001, 12(5): 53-60 [3]Y.
Development of iron series nanoscale materials used as biomaterials.
Journal of materials science and engineering. 2004, 90(4): 617-622 [8]X.
Shandong journal of biomedical engineering. 2003，1：46-47

Experimental Materials and methods Experimental Material: The bacteria of My.p were kindly supplied by the Culture Research Center of CAS.
Acknowledgment Supported by the science and technology plan item of Hebei Province (09275513D) provided the funding for this work.
[2] J.Li,T.M.Yu,and J.Zhou : Environmental Science, Vol.29(2008), p.2327-2330 [3] R.G.
Zhen: Journal of Environmental Science,Vol.29(2010),p.481-486 [4] Q.W.
[5] S.J.Dai,D.Z.Wei,and Y.J.Wang: The Chinese Journal of Nonferrous Metals, Vol.18(2008),p. 1945-1950 [6] S.J.Dai,D.Z.Wei,and L.M.Bai: Nonferrous metals, (2009),p.10-12 [7] D.Z.Wei, S.J.Dai,and Y.J.Wang:Journal of Safety and Environment,Vol.8(2008),p.28-31 [8] D.Q.Zhou, D.Z.Wei: Environmental Science,Vol.27(2006),p. 961- 964 [9] S.J.Dai, D.Q.Zhou,D.Z.Wei:Journal of safe and environment,Vol.7(2007),p.35-39 [10] S.J.Dai, D.Q.Zhou, D.Z.Wei: Metal Mine,(2007),p.70-74 [11] D.Q.Zhou, Y.M.Zhu:Journal of Northeastern University(Natural Science),Vol.25(2004),p.911 -913 [12] D.Q.Zhou,D.Z.Wei:Journal of Northeastern University(Natural Science), Vol.26(2005),p. 304 -306 [13] S.P.

Material and methods Material and reagents.
Studies on Flavonoids,Science Press,Beijing, 2009.
The Chinese Journal of Modern Applied Pharmacy, 13(2004) 915-917.
China Journal of Veterinary Medicine, 44(2010)23-24.
Modern Food Science and Technology,24(2008)631-634.

Fig.1 The model of the bolt joints structure Fig.2 The finite element model Model Material and Boundary Conditions.
The relevant material constants are shown in Table 1 , and bolts are M6 × 25 standard steel bolts.
Acknowledgements This work was financially supported by the NSAF (10876034), National Science and technology major special Project (2011ZX04002-081) and Postgraduate Innovation Fund Project by Southwest University of Science and Technology (13ycjj44).
Beijing: Science Press, 2001(in chinese)
Part III: Power flow through isolation systems in Journal of sound and vibration, 1980,68(1): 97-117

Commercial PCMs are available on the market, from raw phase change materials to enhanced building materials [12].
These materials have greater volumetric latent heat storage capacity than organic materials.
Construction and Building Materials, 122, 637-648
Journal of Energy Storage, 27, 101083
[42] Kinga Pielichowska, Krzysztof Pielichowski, Phase change materials for thermal energy storage, Progress in Materials Science, Volume 65, 2014, Pages 67-123 [43] A.