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Introduction Long Period Fiber Grating(LPFG) recently emerged as a passive fiber optical devices and has many merits, such as simple manufacturing process, low insertion loss, low background reflection, small size and easy to embedded in intelligent materials[1].
Acknowledgements This work was supported by the Natural Science Foundation of Tianjin(Grant No.10JCYBJC00400) and the Doctor Foundation of Tianjin Normal University (Grant No.52XB1007).
References [1] L.Qin, Z.X.Wei, Q.Y.Wang, et.al.: Optical Materials,Vol 14(2000),p.239-242
[3] Vengsarkar A.M, Lemaire P.J, Judkins J.B, et.al.: Journal of Lightwave Technology, 14(1996),p.58-65
[4] Sang Mae Lee, Xijia Gu: Journal of the Optical Society of Korea, Vol 3(1999),p.74-79

Increasing outside diameter resulted in a linear reduction in stiffness for all three materials.
Rim loading an acetabular shell does not accurately simulate the in vivo conditions; however it does provide a simple method for comparing cups made of different materials.
The Finite Element models were in good agreement with the experimental results for all three materials.
Figure 5 show the load deflection plot for the three materials tested, the cups shown had an OD of 58mm.
Rim loading an acetabular shell does not accurately simulate the in vivo conditions; however it does provide a simple method for comparing cups made of different materials.

A low-viscosity and solvent-free polyurethane adhesive was prepared with mixed polyester, polyether and IPDI as main raw materials.
At the same time, it reduced the deflection of the film and was not conducive to the application of flexible packaging materials.
Sun: Packaging Journal Vol. 3(2011), p.37 [3] G.
Malucelli, A Priola and F Ferrero: International Journal of Adhesion and Adhesives Vol.25 (2005), p.87 [4] M.Patri, S.K.Rath and U.G.Suryavansi: Journal of Applied Polymer Science Vol. 99(2006), p.884 [5] Bianca B.R.
Zhang: Handbook of Polyurethane Materials (Chemical Industry Press, 2011)

Removal of Acid Red G Dye Using Raw Bentonite- Cationic Starch Composite Hualing He1,a, Zhicai Yu1,b, Peng Liang1,c 1Colleage of Chemical Engineering and Material Science, Eastern Liaoning University, 325 Wenhua Road, Dandong, Liaoning, 118003, China aEmail: hehualinghe@126.com, bemail:yuzhicaicai@163.com, cemail:liangpenglong@163.com Keywords: Adsorption, Cationic starch, Acid red G dye, RB/CS composite, Raw bentonite Abstract.
Experimental Materials The raw bentonite (RB) used in this study was obtained from Dandong Chemical industry Co.Ltd.
Afsin: Journal of Hazardous Materials. 166 (2009), p. 830 [2] L.L.
Guo: Journal of Hazardous Materials. 161 (2009), p. 126 [3] G.X.Xing, S.L.Liu and Q.Xu: Carbohydrate Polymers.87(2012), P.1447 [4] M.
Technol. 18 (1986), p. 139 [6] J.Z.Guo, S.W.Chen, and L.P.Yang: Journal of Colloid and Interface Science.382 (2012), p. 61

It widely used in the technology of obtaining materials in the form of thin and thick films [1], powders, composites [2; 4], as well as for various kinds of surface treatment [6-12].
Surface modification of polyester and polyamide fabrics by low frequency plasma polymerization of acrylic acid //Journal of Applied Polymer Science. – 2007. – V. 104. – №. 4. – pp. 2318-2322
Study on Influence of Silicon Crystal Dislocation on Removal in Atmospheric Pressure Plasma Polishing //Materials Science Forum. – 2017. – V. 878
The effect of a lithium niobate heating on the etching rate in SF6 ICP plasma //Materials Research Express. – 2019
Principles of plasma discharges and materials processing //MRS Bulletin. – 1994. – V. 30. – pp. 571

Similar to conventional machining operations, micro-mechanical machining use miniaturized cutting tools to shape the surfaces of materials[15].With smaller diameter of cutting tools, micro-machining operations have lower cutting force and higher heat transfer thus reducing the heat and lowering the temperature compared to Macro-mechanical machining.
Since bone is a typical compound material[16], the anisotropy of bone has been taken into account.
The American journal of pathology, 1947, 23 (5): 695
Journal of oral surgery, 1958, 16 (1): 22
Journal of dental research, 1951, 30 (5): 737-744

The EOL management is the process of converting the end product life products, components or materials remarketable.
This approach has growing rapidly among manufacturers, primarily due to environmental regulations and public pressure and secondly, because it has advantages over the economy of materials and energy required to extract virgin materials [7,15,24].
The strategic actions adopted are specific to the product development, they are: minimize the material content, minimize losses and waste, use recycled and/or recyclable materials, avoid/minimize the use of aggressive materials, minimize packaging and minimize consumption in transportation.
The proposal also includes the identification of materials according to international standard system and directly on the material, helping consumers and responsible for processing post-consumer to identify the materials used, even after the packaging open.
Guimarães, Sociotechnical design for a sustainable world, Theoretical Issues in Ergonomics Science, 13.2 (2012) 240–269

The titanium alloy material has low thermal conductivity and high caking property with the tool material, which make it into the hard cutting metal[7-8].
Sun: Journal of Basic Science and Engineering, 2010, v18, n3: 493-502
Ferreira: Journal of materials processing technology, 2003, 458-463: 143-144
Liu: International Journal of Machine Tools and Manufacture, 42, 2002, 653-661
Wang: Journal of Materials Processing Technology, 1997, 68(3): 262-274

Natural materials and the controlled rGO/Fe3O4 microcomposites structure with simple synthesis methods shows the great potential application in high performance microwave absorbing materials.
Carbonyl iron and ferrite powders such as barium hexaferrite are becoming popular as magnetic materials for MAM.
In general, materials that have magnetic properties can be found in metal materials such as ferrite, nickel, cobalt, while dielectric properties can be found in materials such as carbon and conductive polymers.
In order to increase the absorption of electromagnetic wave based on magnetic materials, the absorber material must have a high initial permeability.
[5] Chen, T., Qiu, J., Zhu, K., Che, Y., Zhang, Y., Zhang, J., Li, H., et al., “Enhanced electromagnetic wave absorption properties of polyaniline-coated Fe3O4/reduced graphene oxide nanocomposites”, Journal of Materials Science: Materials in Electronics, Vol. 25 No. 9, (2014), 3664–3673

Preliminary Study of Activated Carbon Modified by Silica Aerogel Luo yajun1a, Yan qian1b, Zhou yongchao1c, He dengliang1d, Hu xiaoli1 e, 2 1Mianyang Normal University, Mianyang, Sichuan, 621010, China 2State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials, Southwest University of Science and Technology, Mianyang，621010, China aluolaowu@126.com, b 331893521@qq.com, c 547657935@qq.com, d449011902@126.com, e441430968@qq.com Keywords: Silica Aerogel; Modified; Activated Carbon Abstract: Activated carbon was modified with silica aerogel by the Sol-Gel.
All the samples appeared an obvious weight loss steps under 140℃, it may be resulting from the water absorbed by material was take off; with temperature was raised to be about 380 ℃, it appeared an obvious weight loss step which lasted until 900 ℃, the weightlessness rate of activated carbon was the biggest.
Acknowledgements This work was supported by the National Natural Science Foundation of China (51004066), the Opening Project of State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials (10zxfk29), and Research Fund of Mianyang Normal University (2011C03).
Reference [1]Yao Mingming,Yao Xin, Preparation and characterization of hydrophobic silica aerogels at ambient pressure, Guangdong Chemical Industry.37 (2010)5-7（In Chinese） [2]Shan Xiaomei, Zhu Shuquan, Zhanng Wenhui, et al, Modification surface properties of coal-base and coconut shell activated carbons by oxidation, Journal of China University of Mining﹠Technology.32(2003)729-733（In Chinese） [3]Li Yunhui, Zhang Wenjuan, Zhang Weina, et al,Characterization of hydrophobic silica aerogels properties,Materials Science & Technology.15(2007)358-361 [4]Shen Jun, WangYu, Gan Liua. et al, Preparation of SiO2 aerogels with sol ­gel method and the study of their properties, Journal of Inorganic Materials.10 (1995)70-75（In Chinese） [5]Tong Xiaogang, WangFen, Feng Haitao, Progress on aerogel’s preparation and application, Material review.20 (2006)24-26（In Chinese） [6]Liu Zhaohui,Su Xunjia,Hou Genliang, et al, Preparation and characterization of silica aerogels, Inorganic Chemicals Industry.38
(2006) 25-27（In Chinese） [7]Wu Zhanwu, Shen Xiaodong, Cui Sheng, et al, The preparation on METS hydrophobic silica aerogel modified by activated carbon composite and its characterization of structure, Journal of Nanjing University of Technology. 34(2012)103-106（In Chinese）