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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 current trend in structural materials selection consists of the extensive use of composite materials in the airframe.
References [1] Martinez-Val, R. and Perez, E., Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, vol.223, n.12 (2009), 2767-2820
[8] Zaki Ahmad; “The properties and application of scandium-reinforced aluminum”; JOM Journal of the Minerals, Metals and Materials Society, vol.55, n.2, (2003) 35-39
Materials 5 (1971); 446-454
Dávila; Composites Science and Technology 67 (2007) 2715-2727.

Study on Magnetic Materials with Numerical Calculation of Geoelectromagnetic Field in Middle-Low Latitude Region 1,2Wu Wei-Li 1.
We can make some comments from the study about it that auroral electrojet center moves to low-latitude area during violent geomagnetic disturbance of magnetic materials[8].
Conclusions Paper presents the mechanism that electric and magnetic fields at the earth as a magnetic materials surface generate and vary under the effect of the space weather storm.
Numerical simulation of ionosphere effect during geomagnetic storms above the low latitude(in Chinese), Chinese Journal of radio science, Vol25.No.5 (2010):823-827 [11] Simon G.Shepherd, Fridon Shubitidze.
Journal of Atmospheric and Solar-Terrestrial Physics ,62(2000), 1311.

Introduction The analysis of functionally graded materials has become a subject of increasing importance motivated by a number of potential benefits from the use of such novel materials in a wide range of modern technological practices.
As it is reported in the literature [6, 7], the graded materials are rarely isotropic because of the nature of techniques used in fabricating them.
Erdogan: Journal of Engineering Science 35 (1997), p.869 [7] S.
Yeh: Composites Science and Technology 68 (2008), p.27 [10] Vijaya Bhaskar Chalivendra: Mechanics of Materials 40 (2008), p.293 [11] J.
Li, Integral equations, Science Press, Beijing, 2008.

Based on the approach to an automatic generation of homogenous properties of layers in graded material and microstructural models of materials, the programs are written by MATLAB.
The contact stress distribution curve will become smooth far from singular points in perfect homogenous materials.
[5] Guler, M.A., Erdogan, F., 2007, The frictional sliding contact problems of rigid parabolic and cylindrical stamps on graded coatings, International Journal of Mechanical Sciences 49, 161–182
[6] Ke, L.L., Wang, Y.S., 2006, Two dimensional contact mechanics of functionally graded materials with arbitrary variations of material properties, International Journal of Solids and Structures 43, 5779–5798
[7] Ke, L.L., Wang, Y.S., 2007a, Two dimensional sliding frictional contact of functionally graded materials, European Journal of Mechanics A – Solids 26, 171–188

Lu: Progress in Polymer Science 33 (2008), p.191 [7] S.
Chandra: Journal of Engineering Materials and Technology 127 (2005), p.222 [8] K.I.
Brnic: Reviews on Advanced Materials Science 33 (2013), p.1 [14] M.
Liu: Computational Materials Science 29 (2004), p.1 [16] K.J.
Jones: Mechanics of Composite Materials, second ed. (1999), Taylor & Francis, Philadelphia.

(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

Disaster science.
Journal of Mountain Science.
Journal of Mountain Science.
Disaster Science.
Earth Science Frontiers.

Material Sciences Vol. 57 (2012), p. 1492–1704
Bang: ACI Materials Journal Vol. 98 (2001), p. 3-9
Materials Vol.22 (2008), p. 875–885
Qian: Journal of Shanghai Jiaotong University (Science) Vol. 17 (2012), p. 350-355
Reddy: ACI Materials Journal Vol. 109 (2012b), p. 157-164