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Welding handbook: Volume 4, Materials and applications, Part 1 (9th ed., pp. 394-396)
TEM Journal, 76-79
Archives of Metallurgy and Materials, 63(1), 437-443
Journal of Materials Science & Engineering A, 307, 165-171
Journal of Materials Design, 32, 371-376.

Fine Spherical Tungsten Powder Prepared by Precipitation Reaction Tao Lin1, a, Yanjun Li1,b, Chengyi Wu1,c and Zhimeng Guo1,d 1School of Materials Science and Technology, University of Science and Technology Beijing, Beijing 100083, China alintao@ustb.edu.cn, bliyanjun778225@163.com, cchengyiwu@126.com, dzhmguo@ mater.ustb.edu.cn Keywords: Tungsten powder, Precipitation, Ammonium tungstate, Particle shape.
It is a candidate material for many defense and high temperature structural applications.
Experimental The raw materials were ammonium tungstate, hydrochloric acid, sulfuric acid and nitric acid, with concentration of 1.20g/ml,1.19g/ml,1.40g/ml and 1.84g/ml, respectively.
Slattery: Journal of Nuclear Materials, Vol. 258-263 (1998), P. 308 [3] X.
Wang: International Journal of Refractory Metals and Hard Materials, Vol. 3(2001), P. 177

Journal of Sound and Vibration, 297 (2006) 946-961
Journal of Mechanical Engineering, 42(2006) 91-94
Smart Materials and Structures, 16 (2007) 506-514
Journal of Sound and Vibration, 272(2004) 909-936
Advance Materials Research, 485(2012)217-220.

Materials and methods 2.1 Soil characteristics A soil sample, taken at depth from 0 to 20 cm in the Ecological Experimental Station, Shenyang, Liaoning Province of China.
David, Soil Science vol. 121 (1976), p. 86-93
[9] Dermont, G., Bergeron, M., Mercier, G., Richer-Laflèche, M., Journal of Hazardous Materials vol.152 (2008), p.1-31
[13] Arwidsson, Z., Elgh-Dalgren, K., Von Kronhelm, T., Sjöberg, R., Allard, B., Van Hees, P., Journal of Hazardous Materials vol.173 (2010), p.697-704
Journal of environmental engineering vol.132 (2006), p. 247-255

Various biocompatible and biodegradable materials such as polylactic acid, polyglycolic acid, poly-caprolactone (PCL), fibrin, collagen type I and decellular cartilage matrix (DCM) have been used in CTE [3, 4].
Materials and Methods 2.1.
Preparations of fibrin hydrogel: Human fresh-frozen plasma and cryoprecipitate were acquired from the Blood Donation Center (Isfahan, Iran) as starting materials.
Journal of biomedical materials research Part A. 2014; 102:2248-57
A quantitative method for evaluating the degradation of biologic scaffold materials.

Model Research object and material properties.
Zheng: Journal of Material Science Technology Vol.23 (2007), p. 247-252
Ji: Materials Science and Engineering Vol.A412 (2005), p.298-306
Kang: Journal of Materials Processing Technology Vol.162 (2005), p. 402-409
Cao et al.: Transactions of Materials and Heat Treatment Vol.32 (2011), p. 53-57, in Chinese

The material constant of the relevant parts Because the different parts of the machine tool are different materials, the characteristic parameters of the various materials are shown in the following: Table1.
References [1] C.M.Lee，D.Y.Yang.A three-dimensional steady-state finite element analysis of square die extrusion by using automatic mesh generation[J].International Journal of Machine Tools&Manufacture，2000，33-47
International Journal of Machine Tools&Manufacture，1996,36:255-273
[3] Jaroslav Macherle.Finite-element analysis and simulation of maching:a bibliography [J].Journal of Materials Processing Technology.1999,86:17-44
International Journal of Machine Tools&Manufacture,2001,41:1149-1163

Materials and Methods All chemicals were of analytical grade.
International Journal of Fisheries and Aquatic Sciences. 3(1) (2014) 12-18
Nounou, Multiscale estimation of the Freundlich adsorption isotherms, International Journal of Environmental Science & Technology. 7(3) (2010) 509-518
International Journal of Environmental Science & Technology. 7(4) (2010) 751-758
International Journal of Environmental Science & Technology. 7(4) (2010) 793-800.

The soil and bonding material are assumed to the same elastic material.
The Chinese Journal of Geological Hazard and Control, 1996, (1): 59～63
Chinese Journal of Ceotechnical Engineering, 2001, 23(6): 696～699
Journal of the China Railway Society, 2007, 29(6): 84～88
University of Science and Technology of China Ph.D.

Experimental Materials and methods 100% cotton yarns of the counts Ne 20s, 30s, 40s, 50s, 60s were spun in the modified ring spinning system invented by our group under various offsets in a modified EJM 128k ring spinning frame with the diagonal devices.
Xu: Textile Research Journal Vol. 11 (2007), P.853
Xu: Textile Research Journal Vol. 2 (2010) , P.116
Ren: Shang Hai Textile Science &Technology Vol. 3 (2009), P.16
Liu: Progress in Textile Science & Technology Vol. 2 (2009), P.39