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Such materials can replace metal reflecting screens.
Radioabsorbing materials based on nanostructures.
Electronics: Science, Technology, Business. 1 (2010) 92–95
Russian Physics Journal. 8 (2008) 874–876
Russian Physics Journal. 8 (2013) 970-976

The material reserves are the material basis for military emergency operation[1].
Science of military equipment support(Military science publishing house, Beijing 2009)
Discuss on reserve scale of military materials.
Journal of the academy of equipment command and technology, vol. 13(2002), p. 26-29 [5] L.
Journal of beijing institute of technology(social sciences edition), vol. 4(2006), p. 18-20

That is, to individual material, materials chosen, but also for an entire industry.
Journal of Cleaner Production, Vol.10 (2002) p.197-214
Journal of Cleaner Production, Vol.8 (2000) p.243-254
Leiden: Centre of Enrionmental Science, Leiden University, 1992
Journal of Industrial Ecology, Vol.10 (2006) p.61-77

Materials Science Forum Vols. *** (2004) pp.59-62 online at http://scientific.net  2004 Trans Tech Publications, Switzerland Ultrasonic Machining Mechanism of Sintered Nd-Fe-B Magnetic Materials J.H.
The material removal mechanism of ultrasonic machining sintered Nd-Fe-B magnetic materials was studied theoretically.
Lin: Journal of Research On Metal Materials Vol. 15 (1994), p. 70 [2] D.W.
Yang: Journal of Mechanical Engineering Materials Vol. 19 (1995), p. 43 [3] Z.F.
Tietz: Journal of Materials Science Vol. 25 (1990), p. 3731.

Low-cost alternative adsorbents to conventional adsorbents refer to those materials with high to moderate adsorption capacity obtained from natural materials at very low or no cost.
These materials can be made of plant or non-plant based (Fig. 3).
Journal of Cotton Science, 11 (2007) 141-153
Shanthakumar, (2015), Efficacy of Moringa Oleifera and Phaseolus vulgaris (common bean) as coagulants for removal of congo red dye from aqueous solution, Journal of Materials and Environmental Science. 6(6) (2015) 1672-1677
Development of nanoporous textile sludge based adsorbent for dye removal for industrial textile effluent, Journal of Hazardous Materials, 422 (2022) 126864

The presented articles consider a wide range of nanoscale materials forms: nanopowders, nanoparticles and nanofibers.
We hope this collection will be useful and interesting to many researchers and engineers in modern materials science.

It was first created by NEMA from the basic materials in 1968 [16].
To analysis the variation of S11-parameter by changing the substrate materials which have permittivity almost near to FR-4, a comparison is shown in Fig. 6.
Table 3 shows the list of the materials used in the comparison.
Table 3: Dielectric properties of different substrate materials Substrate Materials Relative Permittivity Loss tangent Rogers TMM 4 (tm) 4.5 0.002 Arlon AD450 (tm) 4.5 0.0035 FR-4 4.6 0.02 Bakelite 4.8 0.002 Fig. 6.
Misran, "Dual polarized microstrip patch antenna for Ku-band application," Informacije MIDEM-Journal of Microelectronics Electronic Components and Materials, vol. 41, pp. 114-117, 2011

These materials are an essential component in modern materials science due to their wide range of characteristics, such as thermal and electrical insulation, cost-effectiveness, and the ability to be adjusted to specific needs [1].
Kowalczuk, "Polymer materials—challenges and hope," (in English), Frontiers in Polymer Science, Mini Review vol. 1, 2023-November-02 2023, doi: 10.3389/fplms.2023.1253929
Leibler, "Silica-Like Malleable Materials from Permanent Organic Networks," Science, vol. 334, no. 6058, pp. 965-968, 2011, doi: doi:10.1126/science.1212648
Liang, "Degradable bio-based epoxy vitrimers based on imine chemistry and their application in recyclable carbon fiber composites," Journal of Materials Science, vol. 56, no. 28, pp. 15733-15751, 2021/10/01 2021, doi: 10.1007/s10853-021-06291-5
Avérous, "Dynamic network based on eugenol-derived epoxy as promising sustainable thermoset materials," European Polymer Journal, vol. 135, p. 109860, 2020/07/15/ 2020, doi: https://doi.org/10.1016/j.eurpolymj. 2020.109860

Acknowledgements This work was financially supported by the Henan Province Key Science and Technology Project (132102310113), Henan Province Basic and Frontier Technology Research Project (142300410290) and the Key Science and Technology Program of Henan Province Education Department (14A560018).
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Xu: Fiber Reinforced Concrete and Fiber Mortar, (China Building Materials Industry Press, Beijing, 2005)
Shen: New Fiber Reinforced Cement-based Composite Materials, (China Building Materials Industry Press, Beijing, 2004).

The Study of Friction Materials in Brake Pad of Small Electric Car Kunyu Zhao1,a, Wen Jiang1,b, Zhengkun Li2,c, Xinkun Zhu1,d 1 Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China 2 Faculty of Mechanical and Engineering, Kunming University of Science and Technology, Kunming 650093, China akyzhaoy@sina.com, bjiangwen0730@hotmail.com, c108376047@qq.com, d1123577732@qq.com Keywords: brake pad; friction materials; metal-based; lubrication; hard phase Abstract.
Friction block is composed of friction materials and binders.
In order to solve the problem of price low, short service life, bad performance of automotive brake friction materials, this paper compared the microstructures of two friction materials and provide theoretical basis for seeking suitable friction materials in small electric vehicles.
The phases and the functions in A and B　friction materials．
(in Chinese) [6] Zhongxin Yu, Yalun Huang and Laizhi Wang: Journal of Wuhan Automotive Polytechnic University.