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The nucleation of twinning in polycrystalline materials is determined by the stress concentration at a dislocation pile-up.
Harris, Journal of Mat.
Chen, et al.: Science, 2003. 300(5623): p. 1275-1277
Ankem: International Journal of Plasticity, 2009. 25(5): p. 881-900
Capolungo, et al.: Materials Science and Engineering A, 2009. 513-14: p. 42-51

Liquid co-precipitation method was applied to produce LiFePO4 cathode materials in which Ferrous carbonate was used as raw material.
A coin-type (size2032) cell was used to investigate the electrochemical performance of the obtained active materials.
Wang: Journal of Materials Science and Engineering, 2(2012), pp. 255-260 [7] K.S.
Kim: Materials Research Bulletin, 39(2004), pp. 1803-1810 [8] Y, Lv, L.
Sun: Key Engineering Materials, 519(2012), pp. 132-136 [9] F.

Vincent: Materials Science and Engineering: C, vol. 28 (2006), p. 755-758
Wong: Journal of Electronic Materials, vol. 36 (2007), p. 593-597
Gu: Applied Surface Science, vol. 252 (2005), p. 888-892
Brosseau: Journal of Magnetism and Magnetic Materials, vol. 249 (2002), p. 481-485
Ng: Journal of Magnetism and Magnetic Materials, vol. 195 (1999), p. 452-459

Abstract: This article focuses on the compression strength of lightweight concrete based on alkaline-activated waste materials.
Material and Experiment The aim of modern science is to use waste for the production of products in order to minimize their storage and ultimately lead to the replacement of natural raw materials with secondary ones.
They are based on waste materials and are therefore an alternative to the use of natural resources.
Modern, environmentally friendly composite materials, Cracow University of Technology, Cracow. 2014
[6] Yang Z., Huddleston J., Brown H., Effects of Wood Ash on Properties of Concrete and Flowable Fill, Journal of Materials Science and Chemical Engineering, nr 4, 2016, 101-114

Journal of the Science of Food and Agriculture, 2008, 88: 1035-1042 [3] Hang D, Cai C, Wu Z.
Journal of Food Science, 2010, 75 (9): 586-596 [8] Liu J, Li B, Zhu B.
Journal of Applied Polymer Science, 2009, 115(3): 1503-1509 [9] Kuorwel K.
Journal of Food Science, 2011, 76(3): 90-102 [10] Liu C, He C and Xie T.
Advanced Materials Research, 2011, 239-242: 2158-2162 [11] Kong S, Yuan W, Yu M.

Firstly, a multi-level ontology model of materials is found which is expressed in OWL as an ontology collection of describing places ages and events and associated properties among them.
Definition and partition of multi-level ontology model According to the difference of materials production and their controlling requirements, this article has defined 4-level monitoring model.
Multi-level materials monitoring model is shown as Fig.1.
Acknowledgments This work is supported by the Project which is supported by National Science & Technology Pillar Program in the Twelfth Five-Year Plan Period (2013BAF02B03).
Research And Development On Management Information System Of The Multiple-Sort & Small-Batch Materials In Lean Production, Journal of Wuhan University of Technology,vol.28(2008), p.117 [2] G.

China, 610059 atangshu_swpi@qq.com, bkaixueyang@gmail.com, cwjwf2008@163.com and dcaibiao@cdut.edu.cn Keywords: power self-generation, mechanical vibration, piezoelectric materials, self-frequency adjust.
To implement the power self-generate function, we make an important change on the component of leaf springs which we setting piezoelectric materials on both sides of the spring.
With vibration of leaf springs, mechanical vibration energy will transform to pressure on piezoelectric materials and therefore micro-current will be came into being.
piezoelectric materials leaf spring Fig.2 Structure of piezoelectric leaf spring Conclusion Power supply for micro-system such as wireless sensor network node is an open and interest issue.
Energy harvesting using piezoelectric materials- Case of random vibrations.

Experimental Section Materials Methyl methacrylate（MMA）, butyl acrylate（BA）and acrylic acid（AA）monomers are supplied by Gunagfu chemical industry institute in Tianjin.
Journal of physical chemistry, 2007, 23(4):531-536
Comparative evaluation of fluorinated and unfluorinated acrylic copolymers as water-repellent coating materials for stone [J].
Journal of Applied Polymer Science, 2000, 76(6):962-977
[7] Reza Iranpour, ZhaoJi, Wang,Aijie, Yang Fenglin and Li Xinyong, Study on Emulsion Polymerization of Fluorinated Acrylate and its Application [J], Advanced Materials Research ,2012,518,619-622 [8] Li Xuefeng, Zhang Jingfang, Zhou Xingping, Lu Chuan, Tong Xiantao, He Guoxing and Wang Xiaqin, Synthesis of core-shell fluoroacrylate copolymer latex via emulsion polymerization and its application in ink-jet ink[J], Journal of Applied Polymer Science ,2012,126(1),110-115

Inorganic materials include TiO2, Fe2O3, SiO2, ZnO, CuO, metals Cu, Ag and carbon-based materials like carbon nanotubes (CNTs) etc. [25, 26].
Experimental Materials.
Darling, Membrane materials for water purification: design, development, and application, Environmental Science: Water Research & Technology 2(1) (2016) 17-42
Duhan, Metal–ferrite nanocomposites for targeted drug delivery, Applications of Nanocomposite Materials in Drug Delivery2018, pp. 737-760
Hussein, Hybrid nanocomposite membranes containing cellulose acetate @ CuO/ZnO for biological interest, Journal of Materials Research and Technology 21 (2022) 4409-4418

Our research based on the deserted polystyrene foamed plastics as raw materials, prepared an environment-protecting amino acid type chelating resin, then analyzed its structure and evaluated the properties of adsorption for the heavy metal ions Cr3 +, Pb2 +.
Materials and Methods Materials and instruments.
[3] Zeng Shu, Jianjun Mo: Journal of Mineral Technology Vol.28 (2008), P.486 in Chinese
[4] Xiang Jiang, gnan Jian: Journal of Jiangnan University (natural science edition) Vol.7 (2008) P. 353 in Chinese
[5] Shengjing, Liua Fuqiang, XinYang: Hazardous Materials Vol.167 (2009), P.590