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In standard of GB/T 15706 (equal to ISO 12100) machinery is defined as: assembly of linked parts or components, at least one of which moves, with the appropriate machine actuators, control and power circuits, jointed together for a specific application, in particular for the processing, treatment, moving or packaging of a material.
Security research focuses on the impact of the accident of the structure, function and material characteristics of the product, but not combine of person and management on the accident.
China Safety Science Journal, 2004, (5):96-98
China Safety Science Journal, 2010, (1):77-83
China Safety Science Journal, 2004, (4):58-60.

The influence on the Hardness and Form of U75V from the Different cooling rates Pengfei Wang1,a; Ran Wei2,b ; Zhimin Liu3,c ;Lin Chen4,d ; Ge Li5,f Inner Mongol University Of Science and Technology， Baotou, Inner Mongolia, 014010, China a phpfwang@163.com, b weiran318@126.com, c liuzhimin ok@163.com, dchenlin39805@163.com, fligeab@nmhh.cnuninet.net Key words: The TTT and CCT curves of U75V; Rockwell hardness; Phase diagram; Fine pearlite.
Experimental and methods Materials used in this paper is U75V rail，chemical composition of the sample are shown in Table 1.
[2] ZHANG liying,FU xueyi, Effect of cooling rate on the isothermal transformation incubation period[J], Journal of inner Mongolia University of Science and Technology, 2001.3, Volume 20: No. 1 [3] JIANG tao,ZHANG yuefeng, Effects of Heat Treatment Process on Hardness of Carbon Steel[J],Hot Working Technology, 2011, Volume 40: No. 4 [4] LIU yunxu,LIU cheng, Effects of cooling rate on the morphology and mechanical properties of low carbon bainitic steel 20Mn2WNbB organization[J],Heat Treatment of Metals, 1998, Section 4
[5] ZHANG xiao,LIU guoquan, Calculate the forecast hardened steel cooling rate, microstructure and hardness distribution[J], Journal of Iron and Steel Research, 2007.12, Volume 19: No. 12
[7] WANG bin,ZHOU xiaoguang, Effect of ultra fast cooling on microstructure and mechanical properties of medium carbon steels[J], Journal of Northeastern University (Natural Science), 2011.1, Volume 32: No. 1

Introduction Materials of local source release energy produced transient elastic wave phenomenon called acoustic emission (Acoustic emission, AE), instrument detection, recording and analysis of AE signal and the AE signal to deduce AE source technology called acoustic emission detection technology[1].Typical parts rolling bearings for rotating machinery, acoustic emission signal is generally non-stationary, non-linear characteristics, and signal acquisition environment, site collection of early fault of the acoustic emission signal in strong noise interference.
Acknowledgement Financial support from National Natural Science Foundation of China (51075140), CEEUSRO special plan of Hunan province (2010XK6066), Applied basic research program of Hunan key project (2010FJ2012), Pre-research project(625010339, 813040302), Aid program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province ,are gratefully acknowledged.
Gao: Journal of Vibration and Shock, vol.27 (2008), pp.1-3, [3] F.L.
Zhao: Chinese Journal of Scientific Instrument, vol. 31(2010), pp.789-793, [4] H.X.
Chen: Journal of Jilin University,vol.23(2005),P.445-448

The good redox behaviors of manganese catalysts have proved in these reactions thus supported manganese materials are expected to be good catalysts for other oxidation reactions.
Journal of Natural Gas Chemistry, Volume 17, Issue 3, September 2008, Pages 273-277
Journal of Rare Earths, Volume 26, Issues 6, 2008, Pages 836
Chinese Journal of Environmental Engineering, Volume 4, Issues 4, 2010, Pages 639-643
Kunming: Kunming University of science and technology.2009

Material Property In the simulation analysis, SOLID65 element which is unique for reinforced concrete structure was used [6].
Acknowledgements This study is sponsored by the National Natural Science Foundation of China (Grant No. 51078164).
Ting: Journal of Geotechnical and Geoenvironmental Engineering, Vol. 127 (2001), p. 114 [3] K.G.S.
Vellasco, S.A.L. de Andradeb, L.R.O. de Lima: Journal of Constructional Steel Research 67 (2011) 14-24 [7] Z.
ZHANG: Fatigue Fract Engng Mater Struct 32 (2009) 26-32 [8] Khalid Farah and Yasuhiko Sato: Journal of Composites for Construction Vol. 15 (2011), p.215

In this paper, we presented a multistage floating-bed system to restoring aquatic ecosystem in a eutrophic urban river by developing a combined system of macrophytes, aquatic animal and aquamats ecobase. 2 Materials and methods 2.1 Study site Xinjiaopu river is situated in Shanghai Hongqiao integrated transportation hub region, which has the largest railway station in the world at the end of 2010.
/L) 0.435 0.405 0.029 0.354 Shannon-Weiner Index -0.406 -0.432 -0.77** 0.098 **Significant difference between the two varieties and the control group at the level of P<0.01 Fig.1 Variation of phytoplankton density and Shannon-Weiner Index during the engineering time Acknowledgements The present work was supported by the National Major Science and Technology project for Water Pollution Control and Management(2009ZX07317-006, 2009ZX07317-009) and Shanghai Rainbow Investment Corp, China.
Journal of Environmental Management 2009, 90 (2), 1168-1177
Journal of Environmental Sciences 2010, 22(1) 32–39 [4] Wang Y C, Lu K H.
Chinese Journal of Fisheries 2004, 17(1): 90–94

A shader program can contain one or more techniques, but there is only one technique applying to render materials.
N is reflection coefficient of different materials, so the specular model is showed as follow
[3] Chen Yongxin,in:Research and Realization at Real-time Render of Large-scale Water Surface and Scene Magement,edit by Master Dissertation,University of Electronic Science and Technology of China(2009)
[6] Li Guangxin ,Ding Zhenguo, in:A Modeling Alorithm for Realistic Water Surface Simulation in Vistual Environment ,edited by Journal of Computer Research and Development,Vol 41,No 9(2004) ,p.1580-1585
[13] Zhang Long etc., in: Real-Time Simulation of Dynamic Wetland Scence, edited by Journal of Computer-Aided Design&Computer Graphics, Vol 20,No 8(2008),p. 1007–1010

Steel 20CrNiMoH (Table 1) is used as the gear material.
Khaziev Modeling of forming technological errors in processing by gear shaping machine, IOP Conference Series: Materials Science and Engineering.
Series: Materials Science and Engineering 134 (2016) 012042
Journal of Nano- and Electronic Physics 9. (2017)
Applied Surface Science 388, (2016) 13-23.

Materials and methods Bamboo ply panel Nine-layer BPP, 5-layer crisscross assembled bamboo mat in the middle, covered by 2-layer bamboo curtain and 2-layer of melamine impregnated paper symmetrical on each side, were used in this study.
This was a promising indication of the suitability of bamboo as raw material for outdoor application.
Liao, “Bamboo and 6 kinds of bamboo panels natural durability study,” Guangdong Forestry Science and Technology, (2005), Vol.21, p.6-9
Ray，”Temperature effect during humid ageing on interfaces of glass and carbon fibers reinforced epoxy composites,” Journal of Colloid and Interface Science, ,(2006),Vol. 298, p. 111–117
Chemithermo mechanical Pulp as a Reinforcing Filler,” Composites Science and Technology, (1989), Vol. 36, p.167-182

Study on the Tensile Mechanical Properties of Sympodial Bamboo Single Root Shang Hui1,a, Yunwei Zhang2,b* 1 Faculty of Modern Agricultural Engineering, Kunming University of Science and Technology, Yunnan, Kunming 650500, China 2 Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Yunnan, Kunming 650500, China ahuishang121@163.com, bZhangyunwei72@qq.com Keywords: Sympodial Bamboo, Tensile Force, Tensile Strength, Strain, Elastic Modulus.
Experimental materials and methods Experimental field and root material.
Journal of bamboo research. vol 30, No. 3(2011), p43-48 [3] Liang Jia, XIE Shuangxi, Zhang Wen, et al: Investigation and Analysis on Growth condition of Seven Clumping Bamboo Species in Chishui City.
Canadian Geotechnical Journal,.vol 40(2003), p237-253 [9] Kazutoki Abe, Robert R.
Canadian Journal of Forest Research.No. 4(1991), p1012-1019