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Materials and Methods Plants.
[5] Ren X.Study on the survey and Resistance of Plant Materials for Roof Greening in Hangzhou.Hangzhou:Zhengjiang Agriculture and Forestry University:2012
,Xie Y.Jiang H.The effect of water stress on the physiology of Vinca major ‘Varirgata’.Applied Mechanics and Materials Vols.409-410(2013),pp.782-787
Chinese Agricultural Science Bulletin, 28(13):47－52
,Xie Y.Jiang H.The effect of water stress on the physiology of Vinca major ‘Varirgata’.Applied Mechanics and Materials Vols.409-410(2013),pp.782-787

In short, composite materials posses high strength and stiffness with low density when in comparison with bulk materials such as metal, plastic and ceramic, allowing weight reduction in finished part [5,6].
Materials and Method Experimentally, four layers sized 500 mm x 500 mm of 600 g/m2 E type glass fibers were prepared.
Campbell, Structural composite materials, ASM International, USA, 2010
Wright, The science and engineering of materials, USA:2011 [13] X.
Journal of Composite Materials, 44 (2010) 3195-3202.

Main materials:Fluid——The fluid in the experiment is from in the North area of ChangQing oilfield.
Analysis of environmental effect: The environmental effect caused by the drilling mud can be summarized as the following[12-13]: a.The mobility and dispersity characteristic of drilling operation results in big polluted areas, wide region; b.The high pH, soluble salt and oil would affect the soil structure, the soil near the well would turn to chocolate brown harden, and destroy the growth of plants there; c.Hazard heavy metals(Cr6+,Cd2+,Pb2+) , nonsecretable organic materials and polymer are ready to come into the food-chain, and accumulated in the body of animals and plants, and do harm to the human health and life.
Journal of Mineralogy and Petrology[J], 2003,23(1):109—112
Rheological behavior of drilling muds, characterization using MRI visualization .Oil and Gas Science and Technology[J].2004,59(1):23—29
Oil and Gas Science and Technology, 2004,59(6):625—647

Reversible and high-capacity SnO2/carbon cloth composite electrode materials prepared by magnetron sputtering for Li-ion batteries.
Apl Materials. 2015, 3, 062802
Journal of Alloys & Compounds. 2016, 663, 371-8
Journal of Alloys and Compounds. 2018, 741, 677-81
Journal of Alloys and Compounds. 2018, 741, 677-81

The materials used in the building are Mu10 shale brick and M7.5 cement mortar.
The nonlinear effect of material is not taken into account.
(Urban Science Edition) Vol. 26 (2009) No. 2, p. 95-102.
[9] C Gentile, A Saisi: Construction and Building Materials, Vol. 21 (2007), p. 1311-1321
[10] Bao Zhiwen, Lai Jinyan, Chen Zhipeng: Journal of Vibration and Shock (2009) No. 22, p. 57-63.

Data materials are scattering and the sources of data are numerous.
Beijing: Science Press (2007)
Science Press, (2009)
Journal of Jiang Su University, 2002,23(1)
Journal of Liaoning Technical University, (2005)

Mortensen, “Processing of NaCl powders of controlled size and shape for the microstructural tailoring of aluminium foams,” Materials Science and Engineering: A, vol. 374, no. 1-2, pp. 250-262, 2004
Bhatnagar, “A survey of fabrication and application of metallic foams “Journal of Porous Materials, vol. 25, no. 2, pp. 537-554, 2018
Pandey, “Uniform and graded copper open cell ordered foams fabricated by rapid manufacturing: surface morphology, mechanical properties and energy absorption capacity,” Materials Science and Engineering: A, vol. 761, 2019
Goodall, “A replication-casting device for manufacturing open-cell Mg foams,” Journal of Materials Processing Technology, vol. 243, pp. 16-22, 2017
Congress of Science and Technology of Metallurgy and Materials, 2015

Effect of Holding Time on the Microstructure of Mg-3Si-1.70Sn Alloy during Semisolid Isothermal Heat Treatment Li Xin-lin1, a, Chen Shu-xin2, b, Kang Ming3, c, Cao Jie4, d 1Centre for Biomedical Materials and Engineering, college of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, P.R.
China 2Department of Journal Editorial, Hebei University of Science and Technology, Shijiazhuang 050018, P.R.
China 3Centre for Biomedical Materials and Engineering, college of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, P.R.
China 4Centre for Biomedical Materials and Engineering, college of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, P.R.
Acknowledgement This research is supported by the National Natural Science Foundation of China (No.51071055) and Natural Science Foundation of Heilongjiang Province of China (No.E201210).

It shows that the materials are accumulated in the tooth cavity after being pre-forged, setting the basis of locally loading for the final gear form.
As the deformation continues, the lower part of the materials has begun to fill for tooth cavity.
When the tooth profile is going to be filled up, forming resistance increases, the materials start to go upward to fill the upper boss.
The net-shape forming of gears, Materials and Design 21 (2000),p.271 [2] T A Dean, Z M Hu.
Journal of Material Processing Technology 187-188(2007) , p. 600

The technology should enable separation of various types of materials for recovery and recycling, equipment for shredding and treatment of final disposable waste etc.
Monitoring strategies also rely on the availability of accurate and transparent data sets. 9.2 Recycling and recovery The lack of energy and its high cost makes recycled materials more expensive than virgin materials and because of the use generators that use fossil fuels to produce energy, recycling in Kano will not reduce the impact of waste on the environment.
Environmetal Engineering Science, 25:1213-1219
Techno –Science Africana Journal, 1: 101- 108
Maiduguri Journal of Arts and Social Sciences Volume 6 Number 1 [15] Nelson D, Nancy G, Robinson-Freeman, Y (2007) Waste Management and Recycling for Sustainable Local Economic Development.