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Steel slag is one of main solid wastes of metallurgical industry, can be used in building materials, metallurgy, highway and agriculture.
Materials and methods Materials.
The novel seed crystal media was made of steel slag powder and other materials, the chemical composition was shown in table 1.
Jung, et al: Journal of Hazardous Materials.
Y WU, et al: Journal of Environmental Sciences.

China,2 Key Laboratory of Bio-based Material Science and Technology, Ministry of Education, Northeast Forestry University, Harbin, 150040, P.
Wan:Journal of Hazardous Materials Vol.182 (2010), p. 204 [2] J.B.Zhong, Y.Lu,W.D.
Chen: Journal of Hazardous Materials Vol.168(2009), p.1632 [3] Wan-Kuen Jo , Jong-Tae Kim: .
Journal of Hazardous Materials Vol. 164( 2009), p. 360 [4] L.D.
Chen: Journal of Hazardous Materials Vol.143(2007), p. 257 [7] X.

This type of impact test helps to understand the behaviour of materials when they are subjected to impact loads.
International Journal of Mechanical and Material Engineering, (2010), Vol. 5 (2), 260-267
“Energy Absorption of Structures and Materials”.
“Strength of Materials”.
Materials and Design 31, (2010), 4553–4560.

International Journal of Refractory Metals and Hard Materials, 2013, 39: 61-77
Materials Science and Engineering: A, 1996, 209(1): 228-230
International Journal of Refractory Metals & Hard Materials, 2014, 42(1), 30-35
International Journal of Refractory Metals and Hard Materials, 2013, 40: 27-35
Materials Science and Engineering: A, 2006;426(1): 346-354. 53-58

Now, magnesium and magnesium alloys have been extensively applied to the fields, such as, navigation, astronavigation, "3C" products in automobile industry and military industry, and climbed up to the top materials to decrease energy exhausted and protect environment.
Currently, countries enjoying developed industries have already engaged in the study and exploration of processing materials of magnesium alloys with high capability in deformation [3].
Materials and Methods for Experiment The chemical constitution of the AZ80 magnesium alloy, provided by the Key Lab of Electromagnetic Processing of Materials of the Ministry of Education at Northeast University, in the experiment was displayed in Table 1.
Acknowledge This paper was supported by National Natural Foundation of China (No.50735005, No.50605059) , projects from Shanxi Provincial Science Foundation for Youths (No.2007021026) and Development for Science and Technology in Higher Educational Institutes (No.20081027) .
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l Use recyclable packaging materials as much as possible.
l Use non-toxic materials as much as possible, and reduce the use of hazardous materials.
l Foster the recovery and disposal of waste packaging materials.The recovery and disposal of waste packaging materials should be fostered, including the packaging materials that could be directly reused or repaired, and the waste that could be reproduced or degraded and so forth.
Octagon pizza boxes can save 10% of packaging materials compared to square ones.
Beijing: Science Press,2005.1(in Chinese)

The absorbed energy is found from both the electric field and magnetic field for dielectric materials and metals.
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Di Blasi: “Numerical Simulation of the Electromagnetic Field and The Heat and Mass Transfer Processes During Microwave-Induced Pyrolysis of a Wood Block, Journal of Chemical Engineering Science, vol. 65, pp. 4117–4133, (2010)
Saltiel: Numerical Modelling of Materials Processing in Microwave Furnaces, International Journal of Heat and Mass Transfer, vol. 39, no. 8, pp. 1665-1675, (1996).

[2] XIE Hai-bo, XU Xu-dong, LIU Xiang-hua: Journal of Iron and Steel Research, Vol. 17 (2005) No.4, p.33.
[4] Yang L P, Peng Y, Liu H M: Journal of Iron and Steel Research, Vol. 11 (2004) No.4, p.29-33
[7] Li C S, Liu X H, Wang G D: Materials Science and Technology, Vol. 18 (2002) No.10, p.1147-1150
(In Chinese) [9] Bao Zhong-nan: Journal of University of Science and Technology Beijing, Vol. 21 (1991) No.1, p.60-63.
(In Chinese) [10] Carlos T D, Henrique C F, Roberto M S: Journal of Materials Processing Technology, Vol. 209 (2009), p.3592-3596.

Among various types of materials timber and concrete & masonry waste were the most generated waste at construction sites.
Equation 3 shows that the total gained cost (TG) is the sum of the revenue obtained from selling steel waste materials (RSTL) and the cost savings of waste collection (including transportation and landfilling) by recycling steel waste materials (CSSTL).
This is because both the contractors handle the steel waste well and the materials were ordered in appropriate sizes as required.
Environmental Science and Pollution Research, (2019). 27(30), 37237-37259
In Key Engineering Materials. (2022).

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Dental Materials. (28) 2012 218-228.