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Developing environment -friendly electromagnetic shielding materials is one of the main ways to solve the electromagnetic shielding problem.
Development and Application of Materials (Chinese) Vol.16 (2001),p.29 [2] Xiaobing Xiao, Zhongtao Zhang.
Journal of Inner Mongolia Agriculture University (Chinese) Vol.26 (2005), p.57 [6] Lijuan Wang, Jian Li.
Journal of Northeast Agricultural University (Chinese) Vol.33(2005),p.47 [7] Junbo Shang, Guangjie.
Electroplating & Finishing (Chinese)Vol.24(2002),p.1 [10]Qingrong Huang, Boquan Jiang.Chinese Rare Earths Vol.28(20071),p.102 [11] Boquan Jiang, Lin Xiao.Optical Materials Vol.31(2009),p.1532

But at present all existing photocatalytic materials only have limited air purification efficiency with few purge gas types.
Based on the insufficiency of the existing technology, this experiment adopts a new idea, i.e. use materials such as halloysite and aluminum oxide to make porous ceramics as the wall materials and use nano WO3[2] doped La2O3 as a photocatalytic composite [3] to make a kind of absorbent purification material with a higher purification efficiency.
Fig. 1 Test Method for the Purification Efficiency of Porous Materials 2.
While Lanthanum oxide plays the role of stimulating photocatalytic materials to improve the catalytic activity of photocatalytic materials and promote the purification efficiency. 3.
Science and Photochemistry, 2009, (1) [7] Hao Jiarui, Jia Xuhong, Yan Chunjie, Preparation of kieselguhr/kaolin Composite Porous Ceramics, Non-Metallic Mining, Nov. 2009 (Vol.32 No.6) [8] Wang Zhi, He Zhaojing, Li Honglin, Zu Quangao, Study on the Preparation Process of Al2O3 Porous Ceramics, Journal of Jinan University (Natural Science Edition), Dec. 2005 (Vol.19 No.4) [9] Liang Yongren, Zhang Lu, Cui Shumao, Yang Zhimao, Ding Bingjun, Characterization and Performance Test on Porous Materials, Materials Review E-book, Apr. 2006 (2) [10] Luo Zhaoming, Wang Hui, Liu Ping’an, Zeng Lingke, Preparation and Performance Study on Porous Ceramics, Ceramics, 2006, (3) [11] Zheng Shuilin, GAO Ruqin, Wang Jiandong, Zhang Juan, Xu Hui, Preparation of TiO2/kieselguhr Porous Ceramic Composites and Degraded Formaldehyde Property, Journal of Chinese Ceramics Society, Nov. 2008 (Vol.36 No.11)

Influence of Voltage on the Biological Performance of Micro-Arc Oxide Films Based on TC4 Titanium Alloy Ji-kang YAN1,2, Yuan TENG1,2, Er-xin NI1,2, Yun-feng WU2, Yan-hua SUN2, Shu-ming FANG2, Zhe SHI3 and Gang YANG2 1 Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, P.R.
Acknowledgements This research was supported by the NSFC(Natural Science Foundation of China(51362017)), Major science and technology projects in Yunnan province (NO. 2012ZE008),Youth fund projects in Yunnan province (Y0120140016), Synergy innovation fund by advanced materials rare metals collaborative innovation center(14051708).
References [1] Z.D Liu, R .Luo, X.L Cheng, Chinese Journal of Materials Research.27 (2013) 355-359
Journal of Aeronautical Materials. 45 (2012) 42-46
Surface Science. 601 (2007) 518–527

Experimental Materials.
Xia, Chemistry of Materials, Vol. 20(2008), p. 5090–5099
[7] Z.Liu andY.Bando, Advanced Materials, Vol. 15(2003), p. 303–305
[11] S.H.Wu andD.H.Chen, Journal of Colloid and Interface Science, Vol., 273(2004), p. 165–169
[16] M.Salavati-Niasari andF.Davar, Materials Letters, Vol. 63(2009), p. 441–443

Journal of Hazardous Materials 149, 475-481
Journal of Hazardous Materials 164, 1586–1594
Journal of Hazardous Materials 144, 240-248
Journal of hazardous materials, 84(1), 29-41
Journal of Hazardous materials, 154(1-3), 778-786.

Materials and Methods Raw Materials.
The chemical compositions of raw materials and solutions were analyzed by ICP-OES technique (PerkinElmer® Optima™ 8000).
Gupta: Treatment of spent pickling liquor, International Journal of Advance Research in Science Engineering, Vol. 5, No. 3, pp. 259-263, 2016
Sahu: An overview of the recovery of acid from spent acidic solutions from steel and electroplating industries, Journal of Hazardous Materials, Vol. 171, pp. 61-75, 2009
Fu: Recovery of hydrochloric acid from the waste acid solution by diffusion dialysis” Journal of Hazardous Materials, Vol. 165, No. 1, pp. 832–837, 2009

The influence of the annealing temperature on the properties of synthesized materials is analyzed.
These materials are promising for medicine and biology.
The spheres are made of composites based on epoxy resin containing 60 % mass. of the synthesized materials.
Pullar, Hexagonal ferrites: A review of the synthesis, properties and applications of hexaferrite ceramics, Progress in Materials Science 57 (2012) 1191-1334
Tsuzuki, Recent development in mechanochemical nanoparticles synthesis, Journal of Metastable and Nanocrystalline Materials 13 (2002) 377-386

Raw materials applied in power generation are mostly sawdust and fibrous fragments [2], as a consequence, key equipment in the production of wood powder is superfine wood powder disintegrator.
Sawdust or broken fiber materials whose granularities are rough are crushed into the wood powders that are in line with size of the requirements for power generation through triplex impact effects such as impact effect between particles and the dynamic and static cutters, impact effect between particles and particles and impact effect between particles and the shell.
The fixed cutters are divided into four layers up and down, and combination of the fixed cutters and the corresponding dynamic cutters realize to break up with raw materials of the wood powder.
Journal of Northeast Forestry University,Vol.10(2009),p.45-47
Journal of Anhui Agricultural Science, Vol. 20(2008),p.8773-8775

Research on the synthesis of titanium nitride by carbothermal reduction nitriding with anatase and flake graphite Feng Wua , Dianli Qub, Zhijian Lic, Xinwei Lid and Na Xue School of High Temperature Materials and Magnesite Resource Engineering, University of Science and Technology Liaoning, Anshan 114051, China awufeng0746@Yahoo.com.cn., bqudianli@126.com, caskj5212086@163.com, dlixin630150@163.com, exuna@163.com Keywords: Carbothermal reduction nitriding method, Anatase, Flake graphite, Titanium nitride Abstract.
Most people use the anatase and carbon black as starting materials of synthesizing titanium nitride [3].
Although the carbon black is the best material the cost is too high.
References [1] Lide Gu:Special refractories, edited by Metallurgical Industry Press, Beijing (2000), p. 160 In Chinese [2] Kui Li, Fusheng Pan etc: Journal of Chongqing University(Natural Science).
Mackenzie:Journal of Materials Science.

Materials, 2024. 17(15): p. 3826
Materials Science and Engineering: A, 2025: p. 149099
Journal of Materials Research and Technology, 2024. 28: p. 3765-3774
Journal of Materials Engineering and Performance, 2024: p. 1-19
Journal of nuclear materials, 2005. 340(2-3): p. 237-246.