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The polypropylene films take up 30%-60% in multilayer flexible packaging materials.
Experimental Part Materials and sample Materials used in this study included PP homopolymer(0#)supplied by SINOPEC Tianjin PetroChem.
Later we will study the printing and laminatingperformance in packaging materials Conclusion A nano-SiO2 was used to modify raw material of PP packaging film.
Journal of Beijing Institute of Graphic Communication, 14, 4(2006) [2] K.
Deshmukhb, ChangyouGaoc., Applied Surface Science, 255,7(2009) [3] K.

SMA materials are known by their aptitude to recover its original form when undergone suitable thermal changes.
Rani, "Review of Current Development of Pneumatic Artificial Muscle," Journal of Applied Sciences, vol. 11, pp. 1749-1755, 2011
Molfino, "Recent advances in nonlinear control technologies for shape memory alloy actuators," Journal of Zhejiang University SCIENCE A, vol. 8, pp. 818-829, 2007
Anson, "Shape memory alloys–medical applications," Materials World, vol. 7, pp. 745-747, 1999
Massalas, "Identification of 1D and 2D Preisach models for ferromagnets and shape memory alloys," International journal of engineering science, vol. 40, pp. 2235-2247, 2002

The signals derived from electron–sample interactions reveal information about the sample including external morphology and chemical composition of materials creating the sample [33].
With SEM in combination with EDAX system (energy dispersive X-ray spectroscopy) which is attached to an X-ray technique to identify elemental composition of materials.
[13] Osman Dayan, Namık Özdemir, Fahrettin Yakuphanoğlu, Zafer Şerbetci, Ali Bilici, Bekir Çetinkaya, Melek Tercan, Journal of Materials Science: Materials in Electronics 29 (2018):11045–11058
Saleviter, Journal of optoelectronics and advanced materials, 20 (2018) 537 – 542
Thesis, Faculty of Science, Fayoum Branch, Cairo University (2000)

Introduction The mechanical properties of steel materials is very sensitive to temperature, the threat of fire of high temperature on steel structure building is very large, extremely easy to cause the serious damage of structure.
Calculation results The material parameters variation and deflection change of steel beam under different temperature results in Table 1 and Fig.3.
Fire Safety Journal，2006，41(3)：185-203 [2] Wong M B.
Journal of Constructional Steel Research, 2005, 61 (5): 675-687 [3] Jun Ding, Guoqiang Li, Shouchao Jiang.
Journal of Tongji University Natural Science Edition, 2006, 34 (7):853-858.

Fig.1 PBT nonwoven fabrics with melt-blown (diameter<5μm) Experimental Materials The trade model of the PBT chips is Celanex PBT 2008.Its [ŋ] value is about 0.57dl/g.
Journal of polymer science.
Journal of applied polymer science.
Journal of biomaterial science-polymer edition.
Journal of east china unversity of science and technology.

Poon, Prediction of compressive strength of recycled aggregate concrete using artificial networks, Construction and Building Materials (2012), http://dx.doi.org/10.1016/j.conbuildmat.2012.04.063
Saridemir, Prediction of mechanical properties of recycled aggregate concretes containing silica fume using artificial neural networks and fuzzy logic, Computational Materials Science 42(2008), pp.74-82
Mechanical properties modeling of recycled aggregate concrete, Construction and Building Materials, 24(2010), pp.421-430
Robles, Recycled aggregate concrete (RAC) methodology for estimating its long-term properties, Indian Journal of Engineering & Materials Sciences, 17(2010), pp.449-462
Martinez-Ablle, Shear strength of recycled concrete beams, Construction and Building Materials, 21(2007), pp.887-893

Sinclair, “Microtomography assessment of failure in acrylic bone cement”, Journal of Biomaterials, Elsevier Science, vol. 26, pp. 6460-6466, 2005. ].
Cheng, “Multi-step purification of carbon nanotubes”, Journal of Carbon, Elsevier Science, vol. 40, pp. 81-85, 2002. ].
Uskoković, “Synthesis, characterization and cytotoxicity of surface amino-functionalized water-dispersible multi-walled carbon nanotubes”, Journal of Applied Surface Science, Elsevier Science, vol. 255, pp. 8067-8075, 2009. ].
Materials The MWCNTs synthesized by Chemical Vapor Deposition (CVD) with a length of 5-15 μm (purity > 95%, outer diameter 40-60 nm) were purchased from Shenzhen Nanotech Port Co., Ltd.
In the spectrum of the acid treated material, all those bands are enhanced, including a feature at about 1210 cm−1 that was not well defined in the spectrum of the raw material.

School of Light Industy, Hebei United University, Tangshan 063000, China 2.Key Laborary for Inorganic Non-metallic Materialogy of Hebei Province, School of Materials Science and Engineering, Hebei United University, Tangshan 063009, China Keywords: Nanosilica; iron tailing; chemical deposition method; structure Abstract.
These properties make it a potential candidate for applications in many high-technology fields, such as activator carriers, compound materials of macromolecule, electronic encapsulation materials and fine ceramic materials.
Journal of Mining Science, 2006, 42(4): 403-408
Metal recovery and inorganic eco-materials from tailings by leaching-sintering process [J].
Advances in Metallurgical, Processes and Materials, Ukraine, 2007, 337-343

Contact force measurement sand stress-induce anisotropy in granular materials .Nature, 2005, 435(23):1079-1082
Science in China (Series E), 1998, 28(3): 282~288(in Chinese) [5] Bao-tao Huang.
Applied Mechanics and Materials Vols. 178-181 (2012) pp 1550-1554 [6] Butler P B, Krier H.
Static and dynamic pore collapse relation for ductile porous materials.
China Journal of Highway and Transport, 2008, 21(4)12-17(in Chinese)

This is the steady deterioration of materials, particularly metals, via reactions with other molecules in their surroundings.
However, the cost and availability of materials restrict the choice of protective techniques.
Materials, 16(8), p.2954. https://doi.org/10.3390/ma16082954 [21] Fayomi, O.S.I. and Popoola, A.P.I., 2015.
Journal of materials engineering and performance, 11, pp.46-50. https://doi.org/10.1007/s11665-002-0007-1 [42] Blustein, G., Romagnoli, R., Jaén, J.A., Di Sarli, A.R. and Del Amo, B., 2006.
Journal of materials engineering and performance, 22, pp.548-556. https://doi.org/10.1007/s11665-012-0262-8 [50] Ahamad, I. and Quraishi, M.A., 2010.