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Introdution Biodegradable polylactic acid (PLA) fiber is considered to be a recycling raw materials and novel functional fiber materials.
Experiment Materials.
Wang: European Polymer Journal Vol. 2006, p. 42 [2] J.
Yang: Colloid and Interface Science Vol.310(2007), p. 106 [7] X.
Wenfang: Journal of Tianjin Polytechnic University Vol.25(2006), p. 51 [9] D.

Environment effect of geotechnical material.
Applied Mechanics and Materials, 2013, (Vol. 419): 837-841
Applied Mechanics and Materials, 2013,Vols. 405-408: 10-14
Sichuan Building Science, 2011, 37 (5):146-148
Journal of Basic of Science and Engineering, 22, (2), 343-349 (2014)

Materials and methods Soil sampling and treatment.
JOURNAL OF EXPOSURE SCIENCE AND ENVIRONMENTAL EPIDEMIOLOGY. 2013, 23(2): 145-150
Journal of hazardous materials. 2013, 248-249: 303-312
JOURNAL OF ENVIRONMENTAL MANAGEMENT. 2013, 116: 10-17
SCIENCE OF THE TOTAL ENVIRONMENT. 2013, 442: 177-188

Suspending net spray-sowing refers to first artificially excavating wedge groove on slope surface according to a certain row spacing, then backfilling the grass planting substrate material such as soil, nutrients, soil conditioner which is suitable for the growth of the grass in the ditch, and then hanging a 3D vegetation net and spray and sow grass to cover the substrate material. [3] Planting pot or groove is a slope greening technology of directly utilizing the rock micro concave terrain or setting bolt on the fracture of rock, and using the high strength mortar masonry, brick, or pouring into a basin filled with vegetation engineering, then backfilling plant vines, shrubs, or trees planting soil.
Artificial groove can be evacuated on the slope surface, the mixture of soil, fertilizer, organic matter and water-retaining material can be backfilled, then barbed wire is paved and hang on the surface of the slope revetment, and then substrate materials are covered and the grass seed is sprayed and sown.
Shang: The technologies of restoration and landscape of damage mountain in City, Journal of Shandong Forestry Science and Technology,（2008）, pp.81-82
Journal of Shandong Jianzhu University, vol. 25, no. 4(2010), pp. 445-450
(Science Press, Beijing 2007).

We assume that the longitudinal stretching of the bar’s material in the area of plastic deformation has a linear hardening.
Let E, P and sy be the modulus of elasticity, modulus of hardening and yield stress of the bar’s material [7-9, 16-18].
Stoyakin, Temperature field of stripes under hot rolling, Journal of Chemical Technology and Metallurgy 50(6) (2015) 613-616
Panin, Distribution of linear pressure of thin-sheet rolling across strip width, Journal of Chemical Technology and Metallurgy 51(4) (2016) 371-378
Gilormini, Advanced Methods in Materials Processing Defects, vol. 45, Elsevier Science, 1997

Degradation of Reactive Red K-2G by a Photoassisted Fenton Reaction Using a Novel Loading Phthalocyanine Sulfonic Iron Fibers as a Catalyst Hai-ning Lv 1, 2,a, Li-ping Xu 1,b , Cheng Qian 1,c 1 College of Material Science and Textile Engineering, Jiaxing University, Zhejiang, 314001, China 2 National Engineering Research Center for Dyeing and Finishing of Textiles, Donghua University, Shanghai，201620, China a haining8047@163.com, bzzhxlp@sina.com, ciceng@163.com Keywords: phthalocyanine sulfonic; Ironheterogeneous; photocatalyst; loading; reactive dye degradation.
Experimental Materials.
References [1]   Feng J, Hu X, Yue P L.: Water Research Vol.39 (2005)，p.89 [2]  Sum O, Feng J, Hu X.: Chemical Engineering Science Vol.59 (2004)，p. 5269 [3]  Viorica Pârvulescu, Gabriela Roman, Simona Somacescu, et al.: Proceedings of the 5th International Mesostructured Materials Symposium Vol. 1(2007), p. 857 [4]  Parra S, Guasaquillo I, Enea O, et al.: Journal of Physical Chemistry B Vol. 107 (2003)，p. 7026 [5]  Tao X, Ma W.: Chemical Communications Vol. 3 (2003)，p 80 [6]  Fernandez J, Dhananjeyan M R, Kiwi J.: Journal of Physical Chemistry B Vol. 104 (2000), p.5298 [7]  Wang Jusheng, Sun Kai : Principle of Dyeing and Finishing (China Textile Industry Press, Beijing 1983)

Raw materials of rotary hearth furnace are made up of iron ore and coal pellets, which are put into the rotary hearth furnace after Burdening, mixing, balling and drying, and the temperature in it is up to about 1250 ~ 1350 ℃.
Material of rotary hearth furnace lower ring is Q235A.
Taking a measuring point as example, if the strain of the measuring point is caused by a variety of loading in the elastic range of material, then the stress of the measuring point must satisfy the following equation [3].
Zhao: Journal of Anshan University of Science and Technology, Vol. 28 (2005) No.6, p.447.
Ding: Journal of Nantong Textile Vocational Technology college, Vol. 6 (2006) No.2, p.23.

So the material of spring should have high yield strength, high toughness, good plasticity, good sag resistance and high fatigue strength [3, 4].
At present, the most widely used spring material is Si-Mn and Si-Cr steels, such as 60Si2Mn and 55SiCr.
International Journal of Fatigue Vol. 21 (1999), p. 571-579 [2] Y.
Materials Science and Engineering A289 (2000), p. 8-17 [6] Takeshi SUZUKI, Yoshiki ONO, Goro MIYAMOTO, et al.
Wire Journal International, Vol. 34 (2001), p. 44-49 [8] V.

Particularly, they can be produced from low cost materials by simple ceramic processing without the requirement of controlling sintering atmosphere.
All starting materials were analytic grade oxides.
Goldman, Handbook of Modern Ferromagnetic Materials, Kluwer Academic Publishers, Boston-Dordrecht-London, 1999
Sale, Journal of the European Ceramic Society, Vol.20 (2000), p.2743 [4] Z.
Migliano, 11th International Conference on Advanced Materials, Rio de Janeiro, Brazil, (2009)

Acknowledgements This work was financially supported by the National Natural Science Foundation of China (U1333107).
Journal of Aeronautic, 2000, 21(1): 7-12 (in Chinese)
Science, 2002, 296(5566): 280-284
Progress in materials science, 2001, 46(5): 505-553
Journal of Thermal Spray Technology, 1996, 5(4): 379-380