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The work was funded by the grant of MOS RK on the priority direction 5.1 Fundamental studies in the field of natural sciences on the program «Development of scientific foundations of processing of fuels and preparation of new materials».
Basic researches in the field of natural sciences according to the program «To develop scientific bases of processing of combustible minerals and receiving new materials».
Journal of All-union chemical society named after D.I.Mendeleyev. 1977.
Of young scientists and students on applied questions of chemistry «Youth and science: problems and prospects».
IV International symposium «Physics and chemistry of carbon materials Nanoengineering».

Wud Materials Science and Engineering school, Tianjin University, Tianjin 300072, China, aachfj@tju.edu.cn, bbzhangjytj@163.com, cwangdp@tju.edu.cn, ddwushipin123@163.com Keywords: Frequency, Duty cycle, Square wave AC, Tandem SAW Abstract.
Experimental procedure Materials and equipment.
De: Science and Technology of Welding and Joining, Vol.15 (2010), p. 111 [3] EWI: Welding Journal, Vol.85 (2006), p. 51 [4] J.
Pchennikov: Materials Research and Advanced Techniques, Vol. 92 (2001), p. 237 [6] H.
Yannacoupoulos: Materials Science and Technology Conference and Exhibition (Pittsburgh, PA, United States, October 25-29, 2009)

While subsequent thermal treatment, such as duplex ageing treatment, can further enhance mechanical properties to satisfy the needs of structure materials[4].
References [1] Aghion E, Bronfin B: Materials Science Forum, Vol, 350-351(2000), p. 19-28 [2] Shi Changxu, Li Hengde, and Wang Dianzuo: Materials Review, Vol, 15(2001), p. 526-531 [3] Pan Fusheng, Han Enhou: Processing Technology of High-Performance Wrought Magnesium Alloy (Chinese Science Press, Beijing 2007)
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X-Ray Diffraction Analysis of ZnO Particles Prepared by Microwave Plasma Parinya Chakartnarodom1,4,a*, Nuntaporn Kongkajun2,b* and Wichit Prakaypan 3,c 1Department of Materials Engineering, Faculty of Engineering, Kasetsart University, Chatuchak, Bangkok, 10900, Thailand 2Materials Science Program, Faculty of Science and Technology, Thammasat University, Klong Luang, Prathumthani, 12121, Thailand 3 Mahaphant Fibre-Cement Public Co.
Jesionowski, Materials, 7 (2014) 2833-2881
Matsumura, IEEE Transactions on Plasma Science 25 (1997) 991-995
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To avoid heat accumulation in the material, a waiting time of 30 seconds is applied between consecutive scans.
The tested material is stainless steel AISI304L of 1.021 ± 0.008 mm thickness and its chemical composition is given in Table 2.
Lawrence: Analysis and Prediction of edge effects in laser bending, Journal of Manufacturing Science and Engineering, 2001, Vol 123, pp. 53-61
Li: Deformation behaviour of laser curve bending of sheet metals, Journal of Materials Processing Technology, 2004, Vol 148, pp. 30-34
Lin: An Analytical model for the temperature field in the laser forming of sheet metal, Journal of Materials Processing Technology, 2000, Vol 101, pp. 260-267.

· Analysed costs: material, labour, equipment, energy and quality – prevention, failure, appraisal.
It consists of five steps, namely, material selection, dry-wet spinning, moduling, testing and quality control.
Capital equipment Process Material preparation Dry-wet spinning Moduling Testing Quality control Input Material Labour Energy Output Product Waste Fig. 1.
Emblemsvag, Activity-based life-cycle costing, Managerial Auditing Journal. 16(2001) 17-27
Xie, Framework of a product lifecycle costing system, Journal Of Computing And Information Science In Engineering. 6(2006) 69-77

Experimental Materials.
The chemical composition of applied materials can be seen in Table 1.
Age hardening is for MS1 and the S1 materials and quenching is for S2 steel.
Hardening and tempering of the MS1 and S2 material results large hardness values for both materials.
Lauwers, Selective laser melting of iron-based powder, Journal of Materials Processing Technology, Volume 149, Issues 1–3 (2004) 616-622 [2] H.

Duncan, Closed-loop control on product properties in metal forming: A review and prospectus, Journal of Materials Processing Technology 214:11 (2014) 2333-2348, DOI: 10.1016/j.jmatprotec.2014.04.014
Hänninen, Comparison of different methods for measuring strain induced α-martensite content in austenitic steels, Material Science and Technology 20:12 (2004) 1506-1512, DOI: 10.1179/026708304X4367
Pilvin, Characterization of strain-induced martensitic transformation in a metastable austenitic stainless steel, Materials and Design 31 (2010) 1821-1827, DOI: 10.1016/j.matdes.2009.11.008
Pumarega, Correlation between martensite phase transformation and magnetic Barhausen noise of AISI 304 steel, Procedia Materials Science 9 (2015) 435-443, DOI: 10.1016/j.mspro.2015.05.014
Eifler, Deformation-induced martensitic transformation in metastable austenitic steels, Materials Science and Engineering A 483-484 (2008) 394-397, DOI: 10.1016/ J.MSEA.2006.09.140.

The main aspects are incident types and severity, including the number of vehicles, vehicle type, and number of casualties and whether there is hazardous material.
Journal of Tongji University(Natural Science).2012,40(2):P241-245
China Journal of Highway and Transport.2003, 16 (4)
Resource Distribution Model for Freeway Emergency Rescue.Science Technology and Engineering, 2009,9(10):PP2655-2658
Journal of Yangzhou Polytechnic College. 2010,14(1):PP36-42.

On the procurement side, suppliers and networks of suppliers affect the overall throughput time, because lack of supplies may lead to shortages of materials, for example.
Wirth, Manufacturing flexibility: Measures and relationships, in: European Journal of Operational Research 118 (3), 1999, pp. 429–449
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Raturi, Sources of volume flexibility and their impact on performance, in: Journal of Operations Management 20 (5), 2002, pp. 519–548
Bertsch, Capacity Flexibility within Production, in: International Journal of Mechanical, Industrial Science and Engineering 7 (10), 2013, pp. 1–5