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Bronze based alloys have come to be used as bearing materials, and require low frictional properties.
Introduction Owing to their high thermal conductivity and machinability, copper (Cu) based alloys have come to be widely used as bearing materials.
On the other hand, the surface of the bearing materials is usually finished by means of machining such as turning and milling.
Materials 2.1.
Materials The material used for the present study was sintered bronze containing micro-sized sulfide phase consisting of Cu-Fe-S(S-bronze).

Materials and experimental details Material characterization and specimen production.
Lados., Journal of Light Metalls, 1 (2001) 73-84
Jones, Metallurgical and Materials Trans B, 38B (2007) 615-621
Majerova, Materials Science Forum, Vol. 393-396 (2008) 567-568
The Minerals Metals and Materials Society, 1996

Advanced Materials Research, 2012, 518-523: 5121-5125
Advanced Materials Research, 2012, 550-553: 2728-2732
[10] Xie Gaodi　Xiao Yu and Lu Chunxia: Journal of Plant Ecology, 2006, 30(2): 191~199 (In Chinese)
[11] Yang Liyun, Wu Songtao, Li Wenhua, Li Yuan, Dang Zhihong, and Yang Xiaoling: Journal of natural resource, 2011, 26(4): 599-608 (In Chinese)
[13] Xie Gaodi, Zhen Lin, Lu Chun-xia, Cao Shuyan, XioYu: Resource Science, 2008, 30(1): 93-99 (In Chinese).

Contamination assessment of copper, lead, zinc, manganese and nickel in street dust of Baoji, NW China, Journal of Hazardous Materials. 161(2009) 1058–1062
Distribution and bioavailability of nitrogen and phosphorus species in the urban dusts from hefei city, Environmental Science. 33(2012)1159-1166.
Orr, Pollution Buildup on Road Surfaces, Journal of Environmental Engineering. 131(2005)49-59
Development of a harmonized phosphorus extraction procedure and certification of a sediment reference material, J.
Harmonized protocol and certified reference material for the determination of extractable contents of phosphorus in freshwater sediments – A synthesis of recent works, Fresenius J Anal Chem. 370(2001) 224–228.

Experimental section Materials Moderately hydrophobic substrates used were smooth silicon wafers coated with fluorocarbon polymer films, Cytop and Teflon, which exhibit, respectively, increasing degrees of hydrophobicity.
Maldarelli: Journal of Colloid and Interface Science, 267 (2003) 272 [3] J.
Shanahan: Journal of Colloid and Interface Science, 332 (2009) 497 [4] R.M.
Hill: Current Opinion in Colloid & Interface Science, 3 (1998) 247 [5] T.
Nikolov et al.: Advances in Colloid and Interface Science, 96 (2002) 325 [7] A.

In the process of universities’ resources integration of English reading teaching database, we should first integrate multiple foreign language reading digital resources such as the top foreign language universities’ original Reading teaching resources, TOFEL English corpus, special webpage and English literature reading materials.
It makes up for the problem of the scarcity of education resources, such as the insufficient funds, manpower, material resources etc.
The Journal of the Library Science in China, 2002(2):38-40 [6] Ministry of Education of PRC.
Researches in Library Science, 2008(9):9-12 [8] M.H.
Library Journal, 2011(2):72-76 [11] S.A.

In: Journal of haihe river university. 2001(Supplement): 157-161.
[20] Chuan He, Jianlong Ding, Wei Li. in: Journal of Southwest Jiaotong University, 2005, 40(3)：293-297.
In: Chinese Journal of Rock Mechanics and Engineering, 2004.23(9). 1574-1577.
[23] Dongyang, Chuan He. in: Journal of the China Railway Society. 2005.27(4).90-95.
[26] Chuan He, Jiangang Zhang, Zongxian Su.in: The Mechanics Character of the Underwater Shield Tunnel with Large Cross-Section(Science Press, Beijing, 2010).

Material and Means Testing instrument.The portable wind erosion tunnel developed by Inner Mongolia Agricultural University was employed in the testing procedure.
Acknowledgements Fund origin of this project: The National Natural Science Foundation of China (40861013, 41161045).
In Chinese [2] Mc Tainsh G H, Lynch A W and Tews E K: Journal of Arid Environment Vol. 39 (1988), p.457-466
Zhao Guangcai, Zhang Wen: Water and Soil Conservation Journal Vol. 19(1) (2005), p. 28-31.
Gao Wangsheng: Journal of applied ecology Vol. 16(11) (2005), p 2092-2096.

For example, in Japan, visual cues such as seasonal variations in curtain color or material are traditionally used to evoke a sense of environmental change.
Journal of Environmental Engineering (Transactions of AIJ), 85(776), 725-732, 2020
Japanese Journal of Biometeorology, 31(1), 5-29, 1994
Journal of the Society of Heating, Air-Conditioning and Sanitary Engineers of Japan, 42(3) 1-32, 1968
Journal of the Illuminating Engineering Institute of Japan, 75(Appendix), 126, 1991

After the treatment of PCT to the surface of auto lamps within the automatic equipment, the adhesion between the base material and base painting films is enhanced to a great extent, and the quality and passing rate of production has been greatly improved.
Introduction The major automotive lamps are mainly manufactured with engineering plastic as the base material.
Acknowledgement The financial support of the National Major Science and Technology Achievements Transformation Project (grant No. 2010.142) and the Innovation Program of China’s Changzhou City (grant No.
References [1] Junling Li, Hui Yu: CleaningWorld.Vol.21(2005), pp. 31 (in Chinese) [2] Guozhu Zhang ,Haiwen Du ,Yueqin Liu:Electromechanical Components.Vol.21(2001), pp. 31 (in Chinese) [3] Xiaoming Ling, Duowang Fan: Journal of Lanzhou Jiaotong University (Natural Sciences).Vol.25(2006), pp. 107 (in Chinese) [4] Lianzhu Zhang, Xiulan Meng: Nuclear Fusion and Plasma Physics.