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Since the CNF is of nanoscale, it is suitable to reinforce very small area that conventional mescoscale filler materials can not do in composites, which can be used in producing ware with complex shape, high precision and high degree finish of surface.
Experiment Materials.
The counter-face material is steel 45.
Journal of applied polymer science.

Experiment Test material is cast AM60 magnesium alloy; the specimen is 30 mm×20 mm×5 mm rectangular sheet.
Materials Protection,2007,40(2):4~6
Materials Protection, 2002, 35 (7) : 1～3
Journal of Shenyang Normal University(Nature Science),2006, 24(4):460~462

Introduction Platinum group metals due to its special physical and chemical properties, such as good corrosion resistance, oxidation resistance, electrical conductivity, catalytic activity and higher melting point, therefore, has become an important and indispensable material in various modern industrial fields.
Acknowledgements The authors would like to acknowledge the financial support provided by the key program of the National Natural Science Foundation of China (Grant No. u0837602), the National Natural Science Foundation of China (Grant No. 51104076) and the Analysis and Testing Foundation of Kunming University of Science and Technology (No. 20130534).
He,S.Z.Zhang,Chemical composition and occurrence state of the elements in Jingbaoshan platinum-palladium deposit, J.Chinese Journal of Geochemistry.27 (2008)104 -108 [3] J.Chen,K.Huang,Y.R.Chen,the discussion of several treatment processes of the Jinbaoshan Platinum-palladium flotation concentrate, J.
Journal of Honghe University.5(2006)62-68 [23] S.Q.Xiong,C.Y.Ma,Experimental Research on Mineral Processing Technology for a Pt-Pd-Cu-Ni Intergrown Ore,J.
Functional materials.10(2001)1752-1754 (In Chinese) [27]P.Wu,Experimental study on Hydrometallurgical Pre-treating for Pt-Pd Ore,J.Nonferrous metals (extractive metallurgy). 3(2002)35-38 (In Chinese) [28] H.Y.Xie,X.Z.Hu,Removal Magnesium from Pt-Pd ore Leached by Sulfuric Acid and the Leaching Solution’s Comprehensive Utilization ,J.Nonferrous metals (extractive metallurgy).2 (2004)8-10 (In Chinese) [29] X.Z.Hu,W.B.Zhang,Elimination of Magnesium Oxide in the Platinum-Palladium Ore by Acid Leach and Comprehensive Utilization of the Leach Liquor,J.Multipurpose utilization of mineral resources.2(2003)3-7 (In Chinese) [30] L.J.Sun,X.Z.Hu,H.Y.Xie,Recovery of Magnesium and Iron from Leaching Solution of Pt-Pd Ore with the Waste Sulfuric Acid Discharged from Titanium White,J.Nonferrous metals (extractive metallurgy).2 (2004)37-42 (In Chinese) [31] L.J.Sun,X.Z.Hu,H.Y.Xie,Study on Using Waste Sulfuric Acid Discharged from Titanium White Leaching Pt-Pd Ore,J.Nonferrous metals (extractive metallurgy

Science, 1992. 258(5087): p. 1474-1476
Science, 1995. 270(5243): p. 1789-1791
Journal of Materials Science, 2005. 40(6): p. 1371-1376
J., Photoinduced carrier generation in P3HT/PCBM bulk heterojunction materials.
J., Molecular Design and Ordering Effects in π-Functional Materials for Transistor and Solar Cell Applications.

The stronger slope scour, the more loose materials is contained, the steeper the slope, the more prone to landslides.
Because there is no river basin of measured data, the surface water flow according to the Chinese science which highway, the proposed method of experience formula [16]
The Chinese Journal of Geological Hazard and Control, 1998, 9(4): 98–101, 80
Science in China Series E, 2003, 33( SO) : 1- 11
Civil engineering techniques for debris flow control in national parks The Chinese Journal of Geological Hazard and Control, 2006, 18(2): 79–84

And the nuclear accident occurred in Fukushima because of the leakage of spent fuel pool which lead to the damage of spent fuel components and the leakage of radioactive materials.
Water in the pool contains Boric acid which is corrosive to some materials and the highest temperature of the plant is which may damage the motors and electric components.
Therefore, we should take the effect of radiation, Boric acid and high temperature into account when designing robot and selecting materials.
Zang: Atomic Energy Science and Technology, (2008) No.2, pp. 648-651.
Sands: Industrial Robot: An International Journal, Vol. 33 (2006) No.3, pp. 170-173

Science Institute, Gujarat University, Ahmedabad 380 009, India. 2Department of Physics, University School of Sciences, Gujarat University, Ahmedabad 380 009, India.
These materials have attracted much attention due to the abundance of raw materials and low production costs.
Materials Used.
Campbell, Permanent Magnetic Materials and Their Applications, Cambridge University Press, Cambridge, 1994
Kishi, Synthesis of Y-type hexaferrites via a soft mechanochemical route, Journal of Solid State Chemistry 177 (11) (2004) 3903-3908

Test materials and equipment.
During the experiment, installed the clamping devices which were made of different materials on the top and bottom platens, and the stems were clamped by the clamping devices.
Table 1 The Effect of the Friction Force between Clamping Force and Clamping Material Clamping Material Friction Force [N] Clamping Force [N] Friction Force [N] Plastic 21.07 10 22.36 Rubber 40.88 20 34.27 Steel Plate 25.2 30 40.88 Nylon Fiber 16.76 40 62.02 Note: Clamping force was 30N Note: Clamping material was rubber In Table 1, the friction force was the largest when the clamping material was rubber; the friction force was the smallest when the clamping material was Nylon fiber.
Acknowledgement This work was supported by Natural Science Foundation of Guangdong, China (S2011010001933), National Sparking Plan of China (2010GA780049), Principal Fund of South China Agricultural University (2009X004), and National Natural Science Foundation of China (31171457，51175189).
Journal of Agricultural Mechanization Research, Vol. 2(2) (2007), p. 4-7

Erosion Phases in Two Types of Cement Pastes Containing Limestone Exposed to Sulfate Attack Fengchen Zhang a, Yun Zhao b and Fuwan Zhu c College of Mechanics and Materials, Hohai University, Nanjing 210098, China azhangfc67@163.com, b zhaoyun900045@qq.com, c 973199228@qq.com Keywords: thaumasite, ettringite, gypsum,portlandite Abstract.
TSA has more deterioration to all cement-based material than conventional sulfate attack because its target is C-S-H gel.
Cement-based material containing limestone is more susceptible to TSA.
Two bands with frequencies at 670, 499 cm-1 can be observed in 0-1mm layer, which are characteristic of the octahedral [SiO6] groups and indicates the presence of thaumasite because thaumasite is the only mineral containing Si in octahedral coordination[11] in all cement-based materials.
Acknowledgements Financial supports of National Natural Science Foundation of China (51109073), Technology Development project of Northern Jiangsu (BC2013459), and Construction Plan for Science and Technology Infrastructure of Jiangsu Province (BM2013046) are highly appreciated.

In this regard, developing solutions aimed at improving the environmental performance of the aluminum electrolysis due to the use of technogenic raw materials in the fundamental technique or other industries [11-16] is a critical task.
Applied Clay Science. 172 (2019) 146-154
Barauskas, Analysing the chemical composition of man-made materials resultant from the production of primary aluminium in order to find cost-effective recycling techniques.
Tyutrin, Research on leading fluorine from carbon-containing materials of aluminum production.
Journal of Mining Institute. 239 (2019) 544-549