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Shahinpoor and H-J Schneider, Editors, Intelligent Materials, Royal Society of Chemistry (RSC) Publishers, Thomas Graham House, Science Park, Milton Road Cambridge CB4 0WF, Great Britain,1st.
Sun, Intelligent Chitosan-based Hydrogels as Multifunctional Materials, Chapter 18, pp. 447-461, in Intelligent Materials, Royal Society of Chemistry (RSC) Publishers, Thomas Graham House, Science Park, Milton Road Cambridge CB4 0WF, Great Britain,1st.
Fundamentals,” (Review Paper), Smart Materials and Structures Int.
Kato, Chemomechanical Polymers, Chapter 4, p. 100-120, in Intelligent Materials, Royal Society of Chemistry (RSC) Publishers, Thomas Graham House, Science Park, Milton Road Cambridge CB4 0WF, Great Britain,1st.
Vosloo, “Synthesis and characterization of cross-linked chitosan membranes for application as alternative proton exchange membrane materials in fuel cells”, Journal of Power Sources, vol.136, (2004), pp: 16–23 [16] Y.

Introduction In the recent years, the development natural fibers for plastic reinforcement and for replacement of glass fibers, also use in other synthetic materials showing an increasing demand for environmental friendly materials.
The modified HDPE is used as matrix system in the preparation of composite materials [4].
Inagaki, Kenaf reinforced biodegradable composite, Journal of Composite Science and Technology. 9 (2003) 1281-1286
Journal of Applied Polymer Science. 86 (2001) 572-578
Bulletin Materials Science. 5 (2008)791-799.

Nayar, S.K Singhal, A.J Dhar, R Chopra: Journal of Materials Science Vol. 21(1986), p. 4347
Etourneau: Materials Science and Engineering Vol. 10 (1991), p. 149
Houivet: Universal Journal of Materials Science Vol. 6 (4) (2018), p. 119
Satoh: Journal of Materials Science Vol. 35 (2000), p. 1181
Journal of Refractory Metals and Hard Materials Vol. 50 (2015), p. 178

,Journal of Materials Science, 43(2008)1711-1720 [4] V.
Bhatti, Journal of Materials Science: Materials in Electronics, 21(2010)765-772
You ,et al., Bulletin of Materials Science,31(2008)597-603
,Journal of Materials Science, 45(2010) 2967-2975
Eswaramoorthy, Bulletin of Materials Science, 31(2008)87-95

Carbon fiber reinforced silicon carbide (C/SiC) composites are considered as one of the most potential thermal structure materials.
Preparation of C/SiC composites 2.1.1 Materials.
The materials are supplied by Nanjing Fiberglass R&D Institute, the carbon fiber (T300,3k, Institute of Coal Chemistry, Chinese Academy of Sciences, China) and polycarbosilane (PCS, National University of Defense Technology) are supplied respectively. 2.1.2 Procedure.
Camus, R.Pailler: Journal of the European Ceramic Society Vol. 27(2007) p. 3551 [3] Roger R.
Technol, Vol. 2 (2005) p. 75 [4] Hui Mei, Laifei Cheng: Materials Science and Engineering A Vol. 486 (2008) p. 235 [5] Li Hong, Xu Yong-dong, Zhang Li-Tong, Cheng Lai-fei: Journal of Aeronautical Materials, Vol. 27 August (2007) [6] G.

Materials and Methodology AISI D2 tool die steel is the material chosen for this analysis.
The coated materials are TiN, TiAlN and TiCN.
A moderate interaction effect is noticed in between cutting speed and tool coating materials.
Astakhov, Machining of Hard Materials-Definitions and Industrial Applications, in: J.
Tamizharasan, Experimental investigation of cutting zone temperature and flank wear correlation in turning AISI 1045 steel with different tool geometries, Indian Journal of Engineering & Materials Sciences. 21(2) (2014) 139-148

It’s oxidation by oxygen from the air on the materials, modified by MnO2, including NZ, is generally used.
-S., Tang X.: Comparative sorption kinetic studies of ammonium onto zeolite // Journal of Hazardous Materials. 2006.
[30] Vassileva P., Voikova D.: Investigation on natural and pretreated Bulgarian clinoptilolite for ammonium ions from aqueous solutions // Journal of Hazardous Materials. 2009.
[31] Siljeg M., Foglar L., Kukucka M.: The ground  water ammonium sorption onto Croatian and Serbian clinoptilolite solutions // Journal of Hazardous Materials. 2010.
[32] Jha V.K., Hayashi S.: Modification on natural clinoptilolite zeolite for its NH4+ retention capacity // Journal of Hazardous Materials. 2009.

The principle of multiple sparks EDM (a)ordinary EDM (b)multiple sparks EDM Fig. 2.The principle of saving power (2) In ordinary EDM, for high resistance materials such as conductive ceramic and single crystal silicon, its internal voltage drop is great, which makes the discharge current decrease, and makes material removal rate decline.
In theory, for each pulse, because of producing a discharge at the tool electrode positive, and also produces another discharge at the same time in the tool electrode negative, material removal capacity of every pulse of multiple sparks EDM should be consistent with both materials’ removal rates of the single positive tool electrode and single negative tool electrode of ordinary EDM.
Recognition of electrical discharge machining state and combined fuzzy control of the servo system [J]. journal of manufacturing automation, 2008 (01) : 26 - 28
Journal of aviation manufacturing technology, 2010 (16): 17-18
Journal of jiangsu teachers university of technology (natural science edition), 2008 (4): 32-35.

Experimental part Experimental materials:the single PET material carpet:surface density of 800g/m2,South Australian Carpet Co.
References [1] Yanmei Li,in:Review the test standard of automotive textiles[J].Shanghai Textile Science & Technology,(2006),P.61-63
Journal of Textile Research,(2007),P.63-65
[6] Yuping Zhao,Jian Wu,in:Development of anti-fouling linen fabric[J].Journal of Textile Research, (2008),P.20-22
Journal of Textile Research, (2008),P.6-8

Thus we should make full use of existing resources and science and technology to serve for the circular agriculture.
In order to realize the sustainable development of agricultural production, it should base on modern high technologies as the support and guidance, such as new energy material technology, information technology, biotechnology and so on.
New energy material technology provides new energy surpport system for circular agriculture, to reduce the dependence on the traditional carbonaceous energy and optimize the ecological environment.
Acknowledgements This work was financially supported by the Beijing Science Technology Foundation (Z101108002510011).
Anhui Agricultural Sciences, 2008, 36(19): 8373- 8375 [2] Changbin Yin, Huajun Tang, Yin Zhou, Chinese Journal of Agricultural Resources and Regional Planning, 2006(4): 4- 8 [3] Zhenfeng Zhou, Jun Wang, Yan Zhou, Research of agricultural modernization, 2004.25 (5): 348- 351 [4] Yanan Xuan, Minghao Ou, Futian Qu, Chinese Journal of Population, Resources and Environment, 2006, 27(1):4-8 [5] Wangsheng Gao, Yuanquan Chen, Long Liang.