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In the 21st century, the application of pollution-free and biodegradable packaging materials has become a new trend.
Materials and Methods Treated sludge, waste paper fibers and waste wood chips were used as mainly raw materials.
The mixture of raw materials.
Conclusion In general the specific conclusions are the followings: (1) Determined the main raw materials of biomass fibers packaging material and environmental protection additives: the main raw materials are sludge, waste paper fibers and waste wood chips.
Huang: Journal of Agro-Environment Science Vol. 34 (2015), p. 2386 [3] Charles R.

Methods Documents used in this study were based on the online database of the Science Citation Index-Expanded (SCI-E) retrieved from the ISI Web of Science, Philadelphia, PA, USA.
In the first type of journals, Chinese scholars published 4 papers respectively in Genome Research, Science, and Nature, all of which have impact factor greater than 10.
Specifically, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences was involved in 9 of these papers.
Y., Probe of relationships between the enhancing of science research level and cooperation of science and technology according to SCI publications for university, Science & Technology Progress and Policy, 2005, 2 : 132-134
Y., Statistics on papers published in science, nature and its series by Chinese research institutions in 2008, China Basic Science, 2009, 3 : 48-50

With the advancement of materials science and the variety of materials, aluminum-based alloys and copper-based alloys have gradually become the mainstream of modern internal combustion engine sliding bearings [2].
Journal of Yanshan University, 2016,40(1):001-8
The Chinese Journal of Nonferrous Metals, 2017(6)
Wuhan University of Science and Technology, 2012.
Chinese Journal of Rare Metals, 2001, 25(4)

Simultaneously, the service behavior of the bamboo/steel slabs is pecfect and there is execllent composite effect between the two different materials.
And the strain is basically the same at the interface of the two kinds of materials.
Bamboo/steel composite beam composites with two different plate materials by structural adhesive.
Because the thickness of composite beam's flange plate is large relatively, the strain gradient changes intersection between surfaces of two different materials.
Acknowledgements This work was supported by National Natural Science Foundation of China(NSFC) under grant 50878106 and Zhejiang Province Science and Technology Project under grant 2009C31001.

Evaluation of the Surface Roughness of Wood-based Environmental Materials and its Impact on Human Psychology and Physiology Xiurong Li1, a , Yixing Liu1,b*, Haipeng Yu1,c* and Jian Li1,d 1 Key laboratory of Bio-based Material Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China email arongrong1994@163.com; b* yxl200488@sina.com; c* yuhaipeng20000@yahoo.com.cn;d nefulijian@163.com Keywords: Environmental Materials; Surface Roughness; Psycho-physiological Analysis; Tactile Properties.
The human psychological variations of nine wooden materials were presented in Fig. 5.
The MHR of P. jezoensis is 75.2, which is the smallest compared to that of the other materials.
References [1] J Li: Wood Science (High Education Press, Beijing 2002)
Zhao: Wooden environment science (Science Press, Beijing 2007)

Recovery of copper and cobalt from spent aerospace material with pollution-free oxidant Yuebin Xiaoa, Xuejiao Zhoub, Lei Caoc, Ya Gaod, Da Liue, Ming Yuanf, Wentang Xiag School of Metallurgical and Materials Engineering, Chongqing University of Science and Technology, Chongqing 401331, China a xiaoyb540@126.com, bzxj040203017@126.com, ccaol540@126.com, dgaoy540@126.com, eliud540@126.com, fyuanm540@126.com, gwentangx@163.com Keywords: copper; cobalt; pollution-free oxidant; spent aerospace material Abstract: The acid leaching of spent aerospace material with pollution-free oxidation is discussed.
Spend aerospace material used in this work collected from an aerospace material company.
Once at this temperature, 50 g of spent aerospace materials were added with addition of 0.027 mol·L-1·min-1 of pollution-free oxidation.
Qi: Journal of Changchun University of Science and technology Vol. 30 3 (2000), p.310-312.
Yang: Journal of Metal in China Vol. 36 (2010), p16-17.

Fig. 12 presents the failed materials distribution in landing gears.
Distribution of Failure Modes and Failed Materials in Fastener.
Fig. 14 presents failed materials distribution in the fastener failure.
Conclusions In this study, the statistical analysis has been carried out to investigate the distribution of failure modes, type of components, and materials on failure cases occurred in aerospace extracted from failure analysis journals.
Choudhury, Failure analysis of engineering materials, McGraw-Hill, 2002

A Novel Strategy for Preparation of Cu2(MII)(MIV)S4 Thin Films for Solar Cell: Sulfurization of Mixed Metal Oxides Precursor Synthesized by Combustion Method Xin JIN1, Li-Jian ZHANG1, Chun-Yan WU1, Yan ZHANG1, Guo-Shun JIANG1, Wei-Feng LIU1,a,*, Chang-Fei ZHU1,a,* 1,CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, China aliuwf@ustc.edu.cn, bcfzhu@ustc.edu.cn *Corresponding author Keywords: Thin Films, Solar Energy Materials, Combustion Method, Band Gap, Chalcogenide.
Yun, et al., Materials Letters, 158 (2015) 58-61
Wei, Chemistry of Materials, 26 (2014) 3411-3417
Kim, Materials Letters, 162 (2016) 40-43
Chu, Journal of Materials Science: Materials in Electronics, 26 (2015) 3984-3988

Hypotheses about the Tools Origin of Textile Materials Yuan Taoa, Weidong Yu*b Key Laboratory of Textile Science & Technology, Ministry Education, Donghua University, Shanghai, China a2010taoyuan@163.com, bwdyu@dhu.edu.cn Keywords: Origin; Tools; Textile materials; Primitive man.
Performance Forms of Primitive Textile Materials Single Fiber Shaped Textile Materials.
The first hypothesis can be proposed that textile materials are firstly used as tools, that means the origin of textile materials is tools, and the origin time of textile materials is not later than stone tools.
Yu: Textile Materials.
Journal of Shanxi Normal University (Philosophy and Social Sciences Edition), 2(1985), p. 88-93

Chinese Journal of Computational Mechanics.19(2002),p.109-111.
Lanzhou railway institute journal(JCR Science Edition).19(2000),p.59-62.
Advanced Materials Research. 557-559, (2012), p.822-825
Advanced Materials Research. 557-559,(2012), p.2367-2370
Advanced Materials Research. 557-559, (2012): p.2371-2374.