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Introduction The vegetation factor C is hard to be calculated through the ratio of the covered land soil loss to the standard contrast area soil loss, because it need long term field observation which is a big problem both on maneuverability and materials.
Journal of soil and water conservation, 2004, 18(5):75-79 (Ch)
Journal of soil erosion and soil conservation, 1996, 2(1):1-9 (Ch)
Chinese journal of soil science, 1997, 28(6): 251-253 (Ch)
Journal of tsinghua university, 2006, 46(9):1526-1529 (Ch)

Natural and engineered materials are also concerned.
Chemical processes Crystallization or precipitation Natural materials and waste byproduct materials from industrial product processes are considered to be the potential and efficient materials for phosphorus remove and recovery, while engineered materials also were concerned.
Both natural materials and waste byproduct materials from industrial product processes were highly concentrated, as well as engineered materials.
Compared with other materials, the utilization of natural materials and reuse of waste byproduct materials are much more cost-effective and sustainable.
[11] Mohamed Ali Wahab, Rafik Ben Hassine, Salah Jellali: Journal of Hazardous Materials. 189 (2011) 577–585

Soil based Building Materials for Energy Efficiency S.
Fig. 4 Life cycle of earthen materials.
stores heat Like all heavy materials, loam stores heat.
Journal of Geology, Vol. 30, pp. 377–392, 1922
Materials and Design, Vol. 31, pp. 104–112, 2010.

Journal of Sichuan University (Engineering Science Edition), 2009, 41(3): 188-194
Construction and Building Materials, 16(2002): 519-525
Journal of Materials in Civil Engineering, 1(2000): 1-11
Journal of Hazardous Materials, 159 (2008): 499–504
Utilization of sludge as brick materials[J].

Materials and methods Synthesis.
Hameed: Journal of Hazardous Materials Vol. 170 (2009), p. 520
Vaesi: Journal of Optoeletronics and Advanced Materials Vol. 10 (2010), p. 2057
Zhang: Journal of Applied Surface Science Vol. 257 (2011), p. 6527
Suryanarayana: Materials Science Vol. 46 (2001), p. 1

The materials used in this experimental program are PET, PVA and PE reinforcing a cement matrix.
Materials.
In addition, uniaxial tensile tests were performed on the dog-bone shape specimens to examine the effect of fiber combinations on the tensile strain capacity of materials.
Journal of Advanced Concrete technology 2003; 1(3): p.241~52
Materials and Structures 2006; 39: p.547~55

The sand has been screened to eliminate deleterious materials and sieved for size particles 2.0 mm and below.
Shamsul, Sand Replacement Materials (SRM) in Sustainable Cement Composites; A concise review, Advanced Materials Research. 795 (2013), pp. 91-95
Godwin, Compressive strength of concrete using lateritic sand and quarry dust as fine aggregate, Journal of Engineering and Applied Sciences. 7 (2012) 81-91
Materials & Structures. 33 (2000), pp. 38-42
Kala, Effect of Granite Powder on Strength Properties of Concrete, International Journal of Engineering and Science. 2 (2013), pp. 36-50.

Review: Biodegradable Polymers, Materials Vol. 2 (2009), p. 307.
Bugusu: Journal of Food Science Vol. 72 (2007), p. 39.
Haik.: International Journal of Molecular Sciences Vol. 14 (2013), p. 21266.
Fiori: Materials Science and Engineering C Vol. 30 (2010), p. 705.
Riella: Materials Science and Engineering C Vol. 29 (2009), p. 1569-.

The results showed that the loose and pre-compression powder were viscous material.
Fire Safety Journal, 2009, (44): 968-975
Journal of Materials Processing Technology. 2011, 108:165-178
International Journal of Multiphase Flow. 2001,(27):617-634
Lunar and Planetary Science. 2007.

Research on analytical procedure of failure mechanism consistency in rubber material accelerated ageing test Lijun Fua, Weifang Zhangb,Shuang Wangc,Zongren Wangd,Qingyun Tange School of Reliability and System Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China afulj2009@126.com, bweifangzhang831@sohu.com,cwangshuang890821@163.com,dwangzongren12@163.com, etangqingyunene@163.com Keywords: Rubber materials, failure mechanism consistency, analytical method, accelerated aging test Abstract: This paper summarizes the advantages and disadvantages of existing analytical methods of failure mechanism consistency in the accelerated aging test at first.
The analytical method based on test analysis The method analyzes the failure mechanism and phenomenon of materials and products with microscope or macroscopic observation.
This paper take NBR as an example and take the accelerated test with the real-time monitor equipment on compression stress of rubber materials developed by us.
Journal of mechanical engineering, 2009.8, Vol. 45(8) [3] Hiroshi Shiomi.
Physics of failure foundation[M].1982, Beijing: Science press [4] Pan Xiaoxi, H.X.C.Y., Connotation of Failure Mechanism Consistency and Identification Method for Accelerated Testing, in 2011 Prognostics & System Health Management Conference. 2011: Shenzhen