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Nonlinear finite element method is a new finite element analysis method based on finite element on the basis of full consideration of materials or structure nonlinear change, not only can realize the characteristics of special point expression, also can realize the whole system's fault characteristic research, which is more close to the actual and can reflect the influence of fault to the whole system.
Acknowledgements Financial support from National Natural Science Foundation of China (51175170), Hunan Province Ministry of Education Science Project (11C0529), Aid program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province, the outstanding master degree thesis cultivation project of Hunan University of science and technology (S110111), are gratefully acknowledged.
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Rotor system bearing looseness of complex movement research, Dynamics and control journal, 2(4):49-55

Recently, some biosorbents have emerged as an eco-friendly, effective and low cost material options [3, 4, 5].
Materials and Methods Samples, pharmaceuticals and equipments Streptomyces erythreus bacteria from Ganzhou pharmaceutical Co., Ltd., the mycelia sampled were dried fully in the oven under 60°C -70°C and grinded into 0.3 mm.
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Materials and Methods Analysis model of structure.
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Experimental Materials Styrene maleic anhydride copolymer (SMA) as the protective colloid was prepared in our lab.
Melamine and 37% formaldehyde as wall materials, hydrochloric acid and sodium hydroxide anhydrous as pH controller, CVL as core material, poly-acrylic sodium and maleic anhydride, styrene were obtained from home market.
If core materials released into the environment can't be scattered timely, the Ct≠0, at this time (Ci - Ct) ≠ constant, and changes with time.
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(v) Setting up the absorbing layer or stress absorbing interlayer There are many kinds of materials that could be applied to build the stress absorbing layer, but only three type of specific materials are usually utilized for this purpose, i.e., the modified asphalt mixtures absorbing layer, stress absorbing membrane interlayer, composited stress absorbing layer.
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Fiber Optics for Evaluation of Pavement Reinforcement Materials in Resisting Reflection Cracking.
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The plastic deformation of materials sheet is complex in deformation process and fundamental research is not perfect. [4] This paper simulated the forming process by simulation software, respectively changing technology such as vibration amplitude and frequency and the tool radius parameter.
Journal of Plasticity Engineering. 2007,12. 96~104 [2] Cai Gaipin, Zhang Zhongkai,Jiang Zhihong.
Mechanical Science and Technology.2010,7(29):915~920 [3] Tenchev Rosen, Purnell Phil1.
Journal of Plasticity Engineering. 2005,4:17~21 [5] Li Xiangji, Li Mingzhe,Cai Zhongyi,Sun Yunming.
Materials science and technology. 2009,2.66~69 [6] Li Hui.

Rabaey, Science, Vol. 337 (2012), p. 686
Luo, Environmental science & technology, Vol. 46 (2012), p. 2467
Wei, Journal of Power Sources, Vol. 210 (2012), p. 26
Chen, Journal of Power Sources, Vol. 234 (2013), p. 100
Hong, Materials Letters, Vol. 73 (2012), p. 206

Food Packaging Materials.
Bio-based Packaging Materials Fig. 8.
Bandral (2018) Food Packaging Technology and its Emerging Trends: A Review, International Journal of Current Microbiology and Applied Sciences ISSN: 2319-7706, 7
CRC Press (2014) [21] Israfilova Gulbaji Sabir (2016) Application of Polymer Materials in Food Packaging, International Journal of Engineering Research, 5(11)
[23] Cheng, Juan, Gao, Rui, Zhu, Yong, Lin, Qinbao (2024) Applications of biodegradable materials in food packaging: A review, Alexandria Engineering Journal 91, 70–83

Wu: Journal of Northwest Sci-Tech University of Agriculture and Forestry(Natural Science Edition), Vol.2 (2006) No.2, pp.141-146 (In Chinese)
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Chen: Materials Science and Engineering, Vol.76 (2001) No.4, pp.62-64 (In Chinese)