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But in the low frequency range, the absorption of high electromagnetic conductivity materials is the dominant mechanism of shielding.
So, high electromagnetic conductivity materials can be considered to be suitable electromagnetic shielding materials of low frequency
Materials Research Bulletion, 2000,35:403-409
[J] .Journal of Applied Polymer Science, 2005, 97 :1125-1138
Journal of Materials Science, 2002,37(5):116-119

Experimental Raw materials.
Journal of Applied Polymer Science, Vol. 89, (2003) 123–129 [5] S.
Journal of Applied Polymer Science, Vol. 62, (1996) 1993–2003 [6] F.
Journal of Applied Polymer Science, Vol. 101, (2006), 4181-4192 [7] M.
Journal of Applied Polymer Science, Vol. 99 (2006) 884-890 [9] T.

Introduction Nowadays, the development of new cast iron materials seems to offer greater competition with other materials and makes cast iron a competitor for components that are not traditionally made.
Materials and Methods The material investigated in this study is nodular cast iron.
Wang, Synergy of ball-milling and pre-oxidation on microstructure and corrosion resistance of hot-dip zinc coating of nodular cast iron, Journal of Materials Research and Technology 16 (2022) 1402-1412 [10] A.
Darmawan, Teaching Finite Element Method of Structural Line Elements Assisted by Open Source FreeMat, Research Journal of Applied Sciences, Engineering and Technology 4(10) (2012) 1277-1286 [29] A.S.
Kartika, Effect of Magnesium on the Strength, Stiffness and Toughness of Nodular Cast Iron, Materials Science Forum 991 (2020) 17-23 [30] T.

From the above, the objective of our project is to introduce phase change materials into one of the main components of building materials used in Lebanon, namely the cement plaster.
Construction and Building Materials, 122, 637-648
Phase change materials and energy efficiency of buildings: A review of knowledge.
Journal of Energy Storage, 27, 101083
The Electricity Journal, 33(5), 106764

Journal of Materials Processing Technology. (1996). 60: 719-722
Journal of Materials Processing Technology. (1997). 64:149-156
Journal of Materials Processing Technology. (2000).106:34-39
Materials Science Forum. (2007). 544-54
Materials Science and Engineering. (2003).

Journal of the Science of Food and Agriculture, 2008, 88: 1035-1042 [3] Hang D, Cai C, Wu Z.
Journal of Food Science, 2010, 75 (9): 586-596 [8] Liu J, Li B, Zhu B.
Journal of Applied Polymer Science, 2009, 115(3): 1503-1509 [9] Kuorwel K.
Journal of Food Science, 2011, 76(3): 90-102 [10] Liu C, He C and Xie T.
Advanced Materials Research, 2011, 239-242: 2158-2162 [11] Kong S, Yuan W, Yu M.

Our research based on the deserted polystyrene foamed plastics as raw materials, prepared an environment-protecting amino acid type chelating resin, then analyzed its structure and evaluated the properties of adsorption for the heavy metal ions Cr3 +, Pb2 +.
Materials and Methods Materials and instruments.
[3] Zeng Shu, Jianjun Mo: Journal of Mineral Technology Vol.28 (2008), P.486 in Chinese
[4] Xiang Jiang, gnan Jian: Journal of Jiangnan University (natural science edition) Vol.7 (2008) P. 353 in Chinese
[5] Shengjing, Liua Fuqiang, XinYang: Hazardous Materials Vol.167 (2009), P.590

The relationship among coexisting organic materials is complex during photocatalytic degradation.
The relationship among coexisting organic materials is complex during photocatalytic degradation [12].
In addition, the structure of organic materials can affect the degradation rate.
Chinese Journal of Environmental Science，1994,15(2)：81～85 [16] Abdullah, Mohammad.
Chinese Journal of Environmental Science，1994，15(6):1-3 [18] X.H.

Those two materials are alternated at the setup of the stacks.
After cutting and grinding the material flow is determined by the difference in contrast of the two materials.
Due to the fact that in this method different materials are used to allow visualization of the material flow a deviation of the temperature or stress field occurs representing inadequate differences between simulation and experiment.
After partial combined extrusion of the two halves and removal from the container, splitting the deformed billet again reveals the deformed grid showing material flow without the disturbance from using different materials.
Bay, Friction Stress and Normal Stress in Bulk Metal-Forming Processes, Journal of Mechanical Working Technology 14 (1987), pp. 203-223.

Introduction The process of the ballistic piercing of light composite materials (like bulletproof shields) includes a change in deformation velocity which is significant from the moment of impact to the moment of destruction (piercing the shield).
Hence, in the case of high deformation velocities, the proper modelling of the constitutive compounds of materials becomes a serious problem [1, 2, 3].
The results of this analysis will be used for formulating postulates concerning parametric identification procedures for various structural materials, including composite materials (e.g. aramid etc.).
N N501 063740 supported by the National Science Centre for the period 2011–2013.
Jamroziak, Identification of the selected parameters of the model in the process of ballistic impact, Journal of Achievements in Materials and Manufacturing Engineering 49 (2011) 305–312