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Based on the characterization of GO and rGO materials, the electromagnetic parameters of the two materials are tested by the coaxial ring method, and their electromagnetic wave absorbing performance is analyzed in detail.
Therefore, graphene is one of the most promising new materials in the 21st century[1, 2].
Graphene is widely used to prepare substrate materials for composite absorbing materials because of its unique two-dimensional lamellar structure and the large number of active sites distributed on the surface.
The positions of the D peak and the G peak of the two materials are similar.
This has laid a solid foundation for future research on graphene-based composite absorbing materials.

Materials and Methods Poly(3-hydroxybutyrate) (PHB) (Mw= 266,700 g/mol and Mn = 75,400 g/mol [8]) was donated by Biocycle, Brazil.
Zhangaet et al.: Materials Chemistry and Physics Vol. 88 (2) (2004, p. 300
Silva-Valenzuela et al.: Materials Science Forum Vols. 727–728 (2012), p. 143
Mariani et al.: The Electronic Journal of Chemistry Vol. 5 (2013), p. 249
Reis et al.: Journal of Food Engineering Vol. 89 (2008), p. 361

The Ni-based reticular MnOx catalytic materials with high porosity and high specific area were prepared by the electrodeposition method.
Pd plate and bulk manganese were choose as anode materials.
Results and discussion The XRD patterns of MnOx catalytic materials Fig.1.
Materials chemistry and Physics. 113 (2009) 650 [6] C.
Journal of Electroanal.

Construction and Building Materials, 71, pp.610-617
Materials Today: Proceedings, 5(1), pp.436-444
Materials Today: Proceedings, [11] Khatib, J., Jahami, A. & Baalbaki, O., 2019.
BAU Journal - Science and Technology: Vol. 1 : Iss. 2 , Article 5.
BAU Journal - Science and Technology: Vol. 1: Iss. 2, Article 3.

Instrument Materials.
Reversible Thermochromic Materials.
Journal of coating technology 2000,72(911)：67-72 [3] M.
Advanced materials 2002, 14(15):1027-1029 [4] Hao Xiaoxiu.
Tianjin: Tianjin University of Science & Technology, 2004

Materials and methods Materials.
As can be seen from Fig. 2, the release rate of theophylline decreased with the increasing proportion of galactomannan, in accordance with other matrix forming materials [20-22].
Fell: Journal of Drug Targeting, 2(3), 241-257 (1994)
Hill: British Journal of Nutrition, 41, 466-485 (1979)
Yuen: AAPS Pharmaceutical Science and Technology, 1(4), 1-8 (2000)

Carr 2,d 1 Department of Chemistry, Materials and Forensic Sciences, University of Technology, Sydney, P.O.
Acknowledgements The authors would like to thank the members of ANSTO Materials and Engineering Science, for their assistance and contributions to this work.
Ishizaka: Journal of Nuclear Materials.
Chakravartty: Journal of Nuclear Materials Vol 264 (1999), p. 20-28
Carr: Materials Forum Vol. 27 (2004), p. 68-73.

Influence of Substrate Material on Tensile Behavior and Fracture Characteristics of SiC by Chemical Vapour Deposition Cuixia Liu1a, Yanqing Yang2b, Xian Luo3c 1 School of Materials and Chemical Engineering, Xi’an Technological University, Xi’an, 710032, P.R.China 2,3 School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an,710072, P.R.
Substrate material is always selected from good cohesive materials.
Materials Review Vol. 20(8) (2006), p. 35 [3] L.Zh.
Compound material and engineering (Science press, Beijing 2002), p. 202-203 [4] G.Y.
Journal of Materials Engineering Vol. 30-33(1997), p.3 [6] M.

In this paper, five different materials including OFHC Copper, Al 7050, AISI 4340, Ti-6Al-4V and IN 718 with unequal materials’ properties were investigated to find materials parameters’ effect on the MUCT.
Fig. 3 Relationship between MUCT and flow stress for different materials Other materials’ properties effect on MUCT.
According to the materials’ properties in Table 1, the relationship between MUCT and elastic modulus for different materials is shown in Fig. 4.
Fig. 5 Relationship between MUCT and density for different materials The relationship between MUCT and elongation for different materials is shown in Fig. 6.
Dong: Journal of Materials Processing Technology. 62(1996)327-330

Machado and M.A Savi: Revista Brasileira de Odontologia Vol. 59 (2002), pp. 302-306 [6] J van Humbeeck: Materials Science and Engineering A.
Wang: Materials and Design Vol. 25 (2004), pp. 699-703
Dragoni: Journal of Materials Engineering and Performance Vol. 20 (2011), pp. 489-4961
Tanaka: JSME International Journal Series I - Solid Mechanics Strength of Materials Vol. 34 (1991), pp. 83-89
Favier: Materials Science and Engineering A Vol. 222 (1997), pp. 45-57