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These materials are soft, easy to cut, and it is low efficiency by grinding or polishing.
Test program Test materials and specimens.
The test method of dynamic mechanical properties of materials at high strain rate is SHPB in the major engineering field at present.
Journal of Lanzhou University of Technology. 02 (2012) 164-167.
Materials Science and Engineering: A. 612(0) (2014) 71-79

Coal Science and Technology.
JOURNAL OF CHINA COAL SOCIETY.
JOURNAL OF CHINA COAL SOCIETY.
Journal of East China University of Science and Technology.
Journal of Xi’an University of Science and Technology.

(14) By the formula (14), the key component can be designed with different materials or size.
The material for the shaft is 40Cr.
Acknowledgment The research reported in this paper is supported by the National Natural Science Foundation of China No. 51075029.
Journal of Mechanical Design, 2005, (127), 315–325 [2] H.A.
International Journal of Mechanical Sciences, 2008, 50, 481–489 [5] Ph.

Journal of Engineering Thermo physics, 2006, 27(1):151-154
China Safety Science Journal, 2010, 20(7):151-156
Analysis on the leaking process of toxic gases from chemical accidents and determination of the risky area [J].China Safety Science Journal, 2002, 12(6):55-60
Calculation of Characteristic Parameters of Pool Fire andAssessment of It s Thermal Radiation Hazard [J].China Safety Science Journal, 2002, 12(6):55-60
[8] Methods for the calculation of physical effects-Due to releases of hazardous materials (3rd edition 1997) ,Committee for the Prevention of Disasters, Netherlands ,1997

Formation of Gold Nanoparticles Film on Silicon Wafer by Self-Assembled Method Khatijah Aisha Yaacob,1, a Gooi Wyn Gyn1, 1School of Materials & Mineral Resources Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Pulau Pinang, MALAYSIA amraisha@eng.usm.my Keywords: Gold nanoparticles, self-assembly method, MPTMS, APTMS Abstract.
Introduction Gold nanoparticles colloid has attracted great attention from many fields such as chemistry, material sciences, biology, medicine and electronic [1,2].
Journal of Nanoscience and Nanotechnology, 1, (2004), p. 17-49
Proceedings of the Indian Academy of Sciences - Chemical Sciences, 113(5-6), (2001), p.659-670
Journal of Nanoparticle Research, 12(5), (2010), p.1821-1828

In metal cutting, the friction between workpiece and tool, the removal of material and the tool breakage all can produce this kind of signal.
The workpiece material used in the experiment was ultra high strength steel 32Cr3NiMoVA, with the size of 155x50x70(mm).
Arrazola: CIRP Journal of Manufacturing Science and Technology.
Chen Xin, Xu tao, Sun Baolin: Journal of Beijing University of Aeronautics and Astronautics.
Vol.34 (2013), p.282-284 [10] Sang-Gil Park, Hyoun-Jin Sim, Hae-Jin Lee, Jae-Eung Oh: Journal of Mechanical Science and Technology, Vol.22 (2008), p.2122-2133

Acknowledgements This work was financially supported by the major projects of national science and technology (2011ZX04002-081).
International Journal of Machine Tools and Manufacture,2000,40( 9):1257 -1284
International Journal of Machine Tools&Manufacture, 2004,44( 7 /8) : 749-758
[4] Chen Y Y, Wei W J, Tsai J C, “Optimum design of headstocks of precision lathes”, International Journal of Machine Tools &Manufacture, 1999, 39(12):1961-1997 [5] Zhang Yaoman, Liu Qiwei, “Finite Element Analysis of Thermal Characteristics of the Spindle Assembly and Headstock for a Numerical Control Lathe,” Journal of Northeastern University(Natural Science),Vol.32, No.4, 571-574,2011 [6] Jin Kyung Choi, Dai Gil Lee.
International Journal of Machine Tools & Manufacture, 38(1998):1017-1030

Introduction In the industry, composite materials have been widely used.
NDEs are low-cost and non-destructive to composite materials [8-9].
As observed pure material of B4C has the highest value of permittivity compared with the other materials.
"Development of Boron-based materials for nuclear applications. " Technol.
"Evaluation of electromagnetic near-field measurement technique as non-destructive testing for composite structures, " in IOP Conference Series: Materials Science and Engineering. (2018) [8] Yan, X., Zhang, D., Pan, S., Zhang, E. & Gao, W.

Maas and Hoffman determined the threshold salinity of a large amount of crops through analysing a lot of test materials of others and theirs, meanwhile they drew conclusions: the crop yield decrease while the salinity increase linearly; and the crop yield reduce with some a threshold–slope[14].
Material and Methods Research Area.
Acknowledgements The work is assisted by National natural Science Foundation of China (authorized code: 40471020), Key Project of Science and Technology in Xinjiang (authorized code: 20073117-3) and National natural Science Foundation of China (authorized code: 50379036).
Piccinni: European Journal of Agronomy Vol.16(2002), p.197 [17] Todd H.
Hare: Plant and Soil Vol.247(2002), p. 93 [23] Shiqing Gao, Huijun Xu, Xianguo Cheng, Ming Chen, Zhaoshi Xu, Liancheng Li, Xingguo Ye, Lipu Du, Xiaoyan Hao, and Youzhi Ma: Chinese Science Bulletin Vol.50(2005), p. 2714 [24] JunlianZhan, Guobin Zhang, Di Wang: Chinese Journal of Oil Crop Sciences Vol.28(2006), p. l76 [25] Weixia Li, Juncang Qi, Guoliang Shi, Peng Wang, Lianpu Cao: Journal of Shihezi University (Natural Science) Vol. 25(2007), p.23 [26] V.Urdanoz and R.

Science and Technology of Polymers and Advanced Materials.
Lee, Natural fibre reinforced composite building materials for low-income.
Symposium on Building Materials for Low-Income Housing, Bangkok, Thailand, 1987
Journal of Materials Processing Technology. 209 (2009) 5133-5144
Journal of Applied Polymer Science. 112,(2009) 479-488