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Materials and methods 2.1 Materials Phragmites communis, Arundo donax, Typha oriental and Canna generalis are selected as the research objects in the experiment. 2.2 Experimental method The experiment is made through three repeated randomized block field experimental designs, by adopting the surface flow wetland wastewater treatment method (See: Table 2) and without plants as a control.
Journal of Agro-environmental Science, 4 (2003) 454-457
Materials Transactions, 2(2003) 305-312
Journal of Lake Science, 2 (2002) 179-184
Journal of Lake Sciences, 6 (2008) 741-747.

Metallic materials are widely used to make can, such as Inconel, Hastelloy-C, Sus 304 and Sus 316L.
The error of simulation value can be corrected in the case of considering can materials characteristic parameters, detailed issues remain to be studied further.
JOURNAL OF HARBIN INSTITUTE OF TECHNOLOGY, 4, 1999, 31(4): 30-33
Huazhong University of Science & Technology, 2006
Journal of Harbin Institute of Technology, 9, 2007, 39(9):1422-1426

Materials and Methods Materials The starting materials for preparing the scaffold were polycaprolactone (PCL) and polyurethane (PU).
Kang, Fabrication of biodegradable polyester nanocomposite by electrospinning for tissue engineering, Journal of Nano materials. (2011), Article ID 929378, pages 18
Yang, Chitin-based Materials in Tissue Engineering: Applications in Soft Tissue and Epithelial Organ, International Journal of Molecular Sciences. 12 (2011) 1936-1963
Li, Biodegradable Poly-Epsilon- Caprolactone (PCL) for tissue engineering applications: A review, Advanced Materials Science. 34 (2013) 123- 140
Zhang, The immunogenic reaction and bone defect repair function of ε-poly-L-lysine (EPL)-coated nanoscale PCL/HA scaffold in rabbit calvarial bone defect, Journal of Materials Science: Materials in Medicine 32. 6 (2021) 1-12

The high cost of titanium alloy is consists of both raw materials and metal working process.
Materials and Experimental Procedures The nominal compositions of the material used in the present works are Ti-3wt%Fe-5wt%Al and Ti-5wt%Fe-3wt%Al alloy.
Reichman: Journal of Materials and Performance, vol.14 (2005), p. 792 [8] M.
Vol. 49 (1997), p. 38 [10] Marie Koikea, Chikahiro Ohkubob, Hideki Satoc, Hideki Fujiid, Toru Okabee: Materials Science and Engineering C. vol. 25 (2005), p. 349 [11] Colleen J.
Gibson: Materials Science and Engineering A. vol.528 (2011), p. 4899 [12] Dipankar Banerjee, J.

Delaunois, Thermal cycle simulation of welding process in low carbon steel :Materials Science and Engineerin,530, (2011)191-195
H.Qiu, R.Ito, K.Hiraoka, Role of grain size on the strength and ductile–brittle transition temperature in the dual-sized ferrite region of the heat-affected zone of ultra-fine grained steel, Materials Science and Engineering, sectionA, (2006) 648-652
Jonas, Testing of Welded Pipeline Steel, Materials Science and Engineering A420, (2006.)115-121
Sathiya, M.K.Mishra, and B.Shanmugarajan, Effect of shielding gases on microstructure and mechanical properties of super austenitic stainless steel by hybrid welding, Journal of Materials and Design,33, (2012)203-212
S.Bordbar, M.Alizadeh and S.H.Hashemi , Effects of microstructure alteration on corrosion behavior of welded joint in API X70 pipeline steel, Journal of Materials and Design,45,(2013) 597-604

Influence of Poisson's ratio Zhang Hailian, et al.[7]developed a viscoelastic incremental finite element method applied to incompressible materials to study the effect of distribution of Poisson’s ratio on solid propellant grain’s structural analysis and studied random viscoelastic finite element of Poisson’s ratio.
Yang Yuecheng, et al. [8] used the finite element method to study the effect of Material Poisson’s ratio under internal pressure load on stress and strain of grain.
Reference [1] ZHONG Tongsheng, WEI Feng,and ZHI Youhai: submitted to Journal of Natural Science of Heilongjiang University (2006) [2] ZHAO Bohua: submitted to Journal of Beijing Institute of Technology (1994) [3] Sullivan R.
W.: submitted to Mechanics of Time-Dependent Materials (2006) [4] WEI Shifeng, BAO Futing: submitted to Journal of Solid Rocket Technology (2006) [5] Agbossou A.: submitted to Polym.
V.: submitted to International Journal for Numerical Methods in Engineering (2001) [7] ZHANG Hailian and ZHOU Jianping: submitted to Journal of Propulsion Technology (2001) [8] YANG Yuecheng, FU Xuejin and ZHANG Yongxin: submitted to Aerospace Shanghai (2004) [9] ZHI Shijun, SUN Bing and ZHANG Jianwei: submitted to Journal of Solid Rocket Technology (2011) [10] CHANG Wujun, JU Yutao and WANG Pengbo: submitted to Acta Armamentarii (2012)

It has found successful applications not only for cutting any materials in the industry, but also for deep-sea repair, defragmentation, cleaning of sea laying pipeline systems, including in the Arctic [1, 2].
The profile of a nozzle wear made of various materials at the inlet pressure to the jet-forming nozzle in the range from 100 to 450 MPa and the flow rate of abrasive particles from 0.25 to 0.5 kg / min has an axisymmetric wave character. 2.
Acknowledgments This work was supported by the Russian Science Foundation, grant 20-79-00347.
Shchetinin and A.N Fedotyevm, Improving accuracy of profile hydro-abrasive cutting of plates of hardmetals and superhard materials, Journal of Superhard Materials. 36 (3) (2014) pp. 199-207
Tishenko, Wear of a nozzle attachment in technological systems for waterjet processing of materials, Mechanical engineering and computer technology. 11 (2013) pp. 37-52

Introduction As important material of auto, plastic material performance will affect the car safety directly.
How to get the dynamic performance parameters of plastic material is very important.
At present, material test technique quite mature in the strain rate above 0.01 s-1 and strain rate below 1000 s-1, but the strain rate range from 1 s-1 to 100 s-1 is difficult to realize by materials tensile equipment using current technology.
And the high-speed failure stress of plastic materials is smaller (less than 100 Mpa generally), the failure strain is bigger (usually more than 100%), the characteristics needed of tensile equipment are the small load force (below 5 k N) and large operation trip (250 mm trip or above).
International Journal of Automotive Technology, 2009, 10(2): 195−204

A method for producing a stronger joint between artificial materials and bone is to roughen the surface of the material.
Preparation Materials.
Preparation of Materials.
Possibility for Bone substitute materials.
Kokubo et al.: Journal of the Biomedical Materials Research, 60 (2002), p. 277-282 [5] T.

Introduction Elastic circular cylindrical shells play an important role in actual production field for it can be used as building materials and equipment components.
[5] S.Ahmed Shah: Journal of Sound and Vibration, Vol.318 (2008) No.1-2, p.389
[6] M.A.Biot: The Journal of the Acoustical Society of America, Vol.28(1956) No.2, p.168
[8] M.A.Biot: Journal of Applied Physics, Vol. 33(1962) No.4, p.1482
[9] Z.W.Cui: International Journal of Engineering Science, Vol.41(2003) No.18, p.2179.