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Study on Friction Properties of Cu-Fe-based Powder Metallurgy Materials under Dry and Wet Friction Conditions Rong FU, Fei GAO, Baoyun SONG Copper-iron-based friction materials were prepared by powder metallurgy process.
Experimental material and method Testing materials are composed of electrolytic copper powder, reduced iron powder, graphite and SiO2.
The Chinese Journal of Nonferrous Metals. 2008,18(7):1223-1230 7.
Journal of Materials Science & Engineering. 2005,23(6):871-874 8.
China Railway Science, 2004,25(4):11-17

Discs made of isotropic materials have been studied extensively with uniform and variable thickness up to now.
Functionally graded materials (FGMs) are a new kind of advanced structural composite materials and have attracted much attention because of their heat-resistance properties.
Zenkour, Elastic deformation of the rotating functionally graded annular disk with rigid casing, Journal of Materials Science, 42 (2007) 9717-9724
Zenkour, Stress distribution in rotating composite structures of functionally graded solid disks, journal of materials processing technology, 209 (2009) 3511-3517
Sciences, 29 (2005) 51-60

References [1] J.P.Choi, B.H.Jeon, B.H.Kim: Journal of Materials Processing Technology,191(2007),p.153-156 [2] Dae Kyun Baek, Tae Jo Ko, Seung Han Yang: Journal of Materials Processing Technology, 213(2013), p.553– 559 [3] Jianjian Wang , Jianfu Zhang , Pingfa Feng , Ping Guo: International Journal of Mechanical Sciences, (2017) [4] Dong-Sam Park, Myeong-Woo Chob, Honghee Lee, Won-Seung Cho, 146(2004), p.234-240 [5] Kumar Abhisheka, Somashekhar S.
Ahsan: J. of materials processing technology., 198( 2 0 0 8 ) p.122–128 [11] Ushasta Aicha, Simul Banerjee, Asish Bandyopadhyay, Probal Kumar Das: Procedia Materials Science, 6 ( 2014 ), p. 775 – 785 [12] K.
Razfar: Journal of Materials Processing Tech, 255 (2018), p. 665–672 [23] Sathisha N, Somashekar S.Hiremath, Shivakumar J: International Journal of Recent advances in Mechanical Engineering.
Sharma, Pradeep Kumar, Shantanu Das, International Journal of Industrial Engineering and Management Science, Vol. 4, (2014), No. 3 [40] Nitin K.
Sharma, Pradeep Kumar, Shantanu Das, Journal of Materials Processing Technology 225(2015), p. 151–161

The soot particle material is an important pollutant of the atmosphere.
The rod particle material concentration measurement system is brought out in the paper.
The particle material concentration measurement system is designed.
The on line soot particle material concentration measuring system is designed.
Reference [1] Zhengran Yu, Application technologies of gas measurement, China environment science Press,1990 [2] Ning Mu, Continuous measurement of soot concentration in the exhaust duct, Southeast University, 2004.3 [3] Juliuse B.

The test equipment used is the plexiglass column, diameter 80mm, high 1.8m, filters the material for the mature manganese sand leach material, supports the level thickness is 150mm, filters The science and technology plan of Shenyang (F11248400) material level thickness 800mm, filters material level dischargeable capacity 4L.Filters column side every 200 mm to be equipped with a thief hatch, altogether supposes 5.The installment supposes the clear water pump, Canadian medicine pump each..The water inlet supposes nozzle simulation actual to fall the water aeration, the test equipment is 4 groups of parallel plexiglass columns.
Journal of environmental protection,55 ~ 2008, (401) : 57 [4] Lei Wanrong ,Tang Chunmei, Jiang Lingyun.
Introduction to groundwater migration and enrichment regularity of iron and manganese quality [J].Jiangxi science, 2006, 24 (1) 80 ~ 82
Journal of environmental protectionScience, 2003, 29 (2003), 32 ~ 34
Journal of safety and environment, 2007, (1) : 88 ~ 91.

The application of the materials is described, including lead frame materials, electrified contact wires materials, electrode Materials.
Alumina-alloy Nanocomposite Powders by Mechanosynthesis, Journal of Materials Science, 1998, V33:3109-3119; [5] SCHAFFER G.
Characteristics of Aerosol-Synthesized AIN Particles, Journal of Materials Science, 1996, V31: 5701-5708; [8] Lonnberg B.
Characterization of Milled Si3N4 Powder Using X-ray Peak Broadening and Surface Area Analysis, Journal of Materials Science, 1994, V29:3224-3230; [9] Enayati M.
Copper alloy functional materials, Beiing: Science press, 2005; [32] XIE Shuisheng, WU Yucai, HUANG Guojie.

TE0 Mode Resonant Properties of the Rubidium Clock Microwave Cavity Loaded with Ceramic Material XiaoXiao Li, JinLi Lei, Guo Dong Ren School of Science, Lanzhou University of Technology, Gansu, P.R, China lixiaoxiaogood@126.com Keywords: Ceramic material; Rubidium gas; resonant frequency; rubidium clock Abstract.
To miniaturize the cavity , materials are often filled in the microwave cavity.
Science, 2005, 57(5): 8-10 [4]X.L Ning, S.B Kang, F Zhao, et al.
Chinses Journal of Radio Science, 2003, 18(4): 404-407 [8] B.Z Cao, S.X Li, Q Huang, et al.
Journal of Lanzhou University (Natural Science), 2010,46(1): 124-128.

(ed.)(1991), Materials Science and Engineering, ASM
Badawi, Journal of Materials Science and Engineering, 5(4) (2011) 400
Badawi, Journal of Materials Science and Engineering A, 1(3) (2011) 415
Lotfy, Journal of Materials Science and Engineering A, 1(5) (2011) 711
Peterson, Journal of Nuclear Materials, 69-70 (1978) 3

Obtained a new material named foamed bamboo fiber cushion packaging materials for the express packaging .
Compared their products and got that the product using bamboo pulp had better performance. and the foam bamboo fiber material is a cushion packaging materials which main constituents are based on natural raw materials.
Bamboo fiber foam cushioning materials research [J].
Journal of AppliedPolymer Science, 2011, Vol. 119(6):1623~1626
Packaging Engineering.2004,25(6), pp.  22-25 [7]Gitte Sorensen, Jens Risbo, Characterization of moulded-fibre packaging with respect to water vapour sorption and permeation at different combinations of internal and external humidity, Packaging Technology and Science,Volume 18, Issue 2, Date: March/April 2005,pp.59-69 [8]Ye Liu , Shihang Wang,The Research of the Green Buffer Packaging Materials for the Small Pieces of Express Items Applied Mechanics and Materials Vols. 275-277 (2013) pp 2346-2349 [9]Liu,Ye;Qi,Shu-yan;Shi,zheng-ying.The Key problems in the manufacturing of the bamboo buffer packaging material,Advanced Materials research.2011,306-307

This periodical edition includes peer-reviewed papers based on results of scientific research and engineering solutions in different areas of modern engineering science.
Keywords:
Materials Science, Materials, Mechanics, Civil Engineering, Electrical Engineering, Cumputer Science, Environmental Engineering