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Ruschau：Metallurgical and Materials Transactions A，Volume 31A, September pp.2000—2181 [5] T.
Serajzadeh: Journal of Materials Engineering and Performance, 2010, Volume. 19-9, December(2009), pp.1256— 1263 [6] A.H.
Metallurgical and Materials Transactions A, Vol. 41A,( 2010) , pp: 957-971
[7] Mahoney M W，Rhodes C G，Flintof J G.eta1．Metallurgical and Materials Transactions A, Vol.29, (1998). pp: 1955—1964
Aerospace Materials & Technolgy, Vol, 6, (2008), pp:77-80.

Micro electro-discharge machining (micro-EDM) has become a widely accepted non-traditional material removal process for fabrication of micro-holes in difficult-to-cut but conductive materials effectively and economically [3].
Micromechanical drilling has the advantages of high efficiency, not confined to materials electroconductibility and relatively high machining precision.
It has become a choice for generating micro-holes in some nondifficult-to-cut materials [5, 7].
Experimental set up and procedure Equipment and materials.
Harimkar: Springer (2008) [5] YING Renlong, ZENG Liqun, GU Daqian: Machine tool&hydraulics Vol.36 (6) (2008), p. 144 [6] Jie Xu, Bin Guo, Debin Shan, etal: Microsyst Technol 3 (2013) [7] Shun-Tong Chen, Tsu-Sheng Luo: Journal of Materials Processing Technology Vol.210 (2010), p. 504 [8] T.

Honda and Fujishima [1] demonstrated the process of electrochemical photolysis of water using semiconductor TiO2 as a working anode.Since then, a large number of semiconductor materials have been employed for photoanodes, also called working anodes for hydrogen production.
All of semiconductor materials, TiO2 and modified structure TiO2 are widely used because they are highly photocatalytic, stable, abundant, and environmentally safe [2].
Mater. 21, 1198–1206 Vol.21(2009), p. 1198 [16] Yan Wang, Yucheng Wu, Yongqiang Qin, GaobinXu, Xiaoye Hu, Jiewu Cui,HongmeiZheng, Yu Hong, and Xinyi Zhang: Journal of Alloys and Compounds Vol. 509 (2011) p.
Ingler: Science, Vol. 279 (2002), p. 2243 [18] Tayirjan T.
Wu:Applied Surface Science, Vol. 258 (2012), p. 6136

Materials and Methods Development and characterization of novel plant growth matrix.
International Journal of Tropical Agriculture, (2016)34(3), 715-720
IOP Conference Series: Materials Science and Engineering (2018) 368(1), p. 012009
Journal of Environmental Research and Development, (2012)7(1A), 393-398
Journal of Horticultural Research, (2019)27(1), 31-36.

Material and geometry nonlinearities are both considered.
The slope of enhancing section of the material curve is 0.014.
China Civil Engineering Journal,2008,41(6):1-8
International Journal of Space Structures,2001,16(2):85-93
Journal of Tongji University(Natural Science), 2000,28(2): 148-151.

Materials and methods 2.1 Materials 2.1.1 Raw materials of fermentation Raw materials of fermentation, OFMSW, taken from a farmers market in Kunming City.
The powder material was directly used as raw material of anaerobic digestion, some composition of this powder market waste as shown in table 1.
The difference between quality of raw materials and residues was the content of soluble substance
Shanghai Environmental Sciences, 2011(5):201-205(in Chinese)
Biochemical Engineering Journal, 2006. 32: p. 185-190

Materials and Methods The authors used a systematic construction industry analysis as the research approach.
The substandard materials use.
The same negative consequences can occur with incorrectly organised logistics and storage, when materials lose their desired properties.
The proposed solution can be implemented by marking building materials and coding information in a special two-dimensional code.
Inefficient management Management «pure» risks can arise if necessary to make decisions about the need for materials on the construction site, as well as the distribution of materials on the gripping front works, materials and equipment theft.

Introduction Silicon Carbide (SiC) is one of the promising semiconductor materials for coming generation power devices.
This is due to some exclusive properties of its polytypes such as high breakdown field strength, high saturated electron drift velocity, reasonable electron mobility and high thermal conductivity, which make this material superior to other semiconductors like Si, GaAs, AlN etc[1][9].
Tyagi: Introduction to Semiconductor Material and devices, (John Wiley and company, 1991)
Monch: Surface science Vol. 299-300 (1994) [9] A.
Sze: Journal of Applied Physics Vol. 36 (1965) [10] S.M.

Introduction to computers in the mechanical and electrical control is widely used in the field of industry chaoqun Leng yuling Huang Nanchang University of Technology, Nanchang ,Jiangxi 330044, china Nanchang University of Technology, Nanchang ,Jiangxi 330044, china Key words:  Computer technology; Mechanical and electrical integration; Production application Abstract： Outline for the development of mechanical and electrical control industry, focus on computer technology in the field of machinery and electronics industry control and industrial manufacturing and is widely used in People's Daily life. 0 The introduction 　The development of modern science and technology has greatly promoted the changes in the field of mechanical industry, at the same time to the related manufacturing industry has brought the huge impact, improve the production level and technology.
Now, the PLC technology has been widely used in metallurgy, petroleum, chemical industry, building materials, machinery manufacturing, electric power, automobile, light industry, environmental protection and cultural entertainment and so on all walks of life. 2.2 the computer applications in mechanical and electronic control industry Computer technology and the combination of mechanical and electrical control technology integration, make the related new technology application in more fields, these applications to the field is no longer limited to industrial production, the technology is more intimate relationship to our daily work and life.
Industrial robot is a kind of can automatically control, repeatable programming, multifunctional, multivariant, multi-purpose CaoZuoJi, widely used in industrial robots, not only can improve the quality of products and production, and to safeguard the personal safety, improve working environment, reduce labor intensity, improve labor productivity, save raw materials consumption and reduce the cost of production has important significance.
Journal of chifeng institute, 2007

Numerical Simulation of Welding Distortion under Different Sequences Yang Liu 1, a, Dong Po Wang 1, b, Hai Zhang 1, c 1School of material science and engineering, Tianjin University, Tianjin Key Laboratory of Advanced Joining Technology, Tianjin, China aliuyang_223@tju.edu.cn, bwangdp@tju.edu.cn, cazhanghaia2@163.com Keywords: Welding, Numerical simulation, Welding sequence, Welding distortion Abstract.
In order to simply the calculation, the material properties were assumed isotropic and all borders of the weld were assumed only transfer heat with air through convection.
The initial temperature was set at room temperature 20 ℃ Thermal elastic-plastic was chosen as the material model, material followed the Von Mises yield condition and the constitutive relation was linear hardening model [3].
Wei: Welding Journal, Vol. 25 (2004) No.2, p. 9.