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For example, most electroplating factories were scattered in rural areas with smaller scale, and the backward or eliminated technology, process, materials or equipment were also applied widely.
(In Chinese) [2] Y.Li,Y.L.Li,B.Zheng and D.Y.Du: Resource recovery of chromium from electroplating wastewater, Environmental Science and Technology, Vol.32,(2009), No.6,p.145.
(In Chinese) [4] H.Y.Cao and X.H.Lin: Centralized management and treatment of waste-water from electroplating enterprises, Journal of East China University of Science and Technology, Vol. 30,(2004) No. 5,p.548.
(In Chinese) [5] X.L.Fang and P.Zhao: Domestic wastewater treatment and reclamation, Chinese Journal of Environmental Engineering, Vol. 25,(2007) No. 1, p.31.
(In Chinese) [6] C.Y.Xiang and J.Wang: Discussion on the treatment of electroplating sludge, Environmental Science and Technology, Vol.28,(2005), No.z2,p.35.

[J]The Chinese Journal of Nonferrous Metals,2004,14(5):122-127
Welding journal,1981,60(2):22-23
Experimental Study on Diffusion Bonding in Pure Magnesium [J].Materials Transactions,2001, 42(10):205-207
Materials Science and Engineering A, 2004,368(1):1-9
Materials Science Reports, 1993,10(1):1-832004

Fabrications of Black Aesthetic Zirconia Ceramics Using Perovskite Pigment QIU Lingyu, DU Kaixuan, Wang Ling, XIONG Yan * School of Materials Science & Engineering, Hubei Province Key Laboratory of Green Materials for Light Industry, Hubei University of Technology, 430068 Wuhan, P.
Compared with the traditional engineering plastic shell materials, ceramic materials exhibit better aesthetic texture and biological inertness have received increasing attentions [3-5].
Materials Science and Technology Series. (1998) 93-94
Weng, Advanced structural ceramic materials, N.
[4] H.S Xu, New Applications of zirconia materials, J.

Study on new tea soap based chelating agent synthetic materials and the repairing effect of heavy metal pollution in environment Li Bangjiang1,2, Wang Longchang1*, Long Mingzhong2 1.
Function of new tea soap based chelating agent synthetic material Organic chelating agent includes natural organic acid and artificial chelating agent.
Effect of new tea soap based chelating agent synthetic materials and remediation of heavy metal polluted environment Research shows that, heavy metals in the state of iron and manganese oxidation in reducing conditions are easy to dissolute and release.
Synthesis of the optimum sulfonation process is: the temperature is 85℃, raw material ratio is 1∶2, the time is 2.5h.
Acknowledgements Project supported by the science and technology foundation of Guizhou province (Department of Guizhou Province J word LKM [2012]06 date); Science and technology foundation of Guizhou province (Department of Guizhou Province J word [2011]2040 date) References [1] Liu Wanling, The heavy metal pollution and its effect on plant growth and development [J], Anhui agricultural sciences, 2006, 34(16): 4026-4027 [2] Wang Shihua, Gao shuangcheng, Chang Huiqin, Harness method of heavy metals pollution in soil [J], Hebei Agricultural Sciences, 2008, 12(11): 80-82 [3] Hashim Ma, Mukhopadhyays, Sahu JN, et al, Remediation technologies for heavy metal contaminated groundwater [J], Journal of Environmental Management, 2001, 92(10): 2355-23 [4] Zhao Shiming, Chemical structure and pharmacological activity of tea saponin [J], Foreign medicine, medicinal plants, 1998, 13(1):3-6

The destruction of the ecological environment has made circulation of materials and flow of energy disorder, and abandoned mines have lost functions of ecosystem services of providing land, water, food and other ecosystem services for the human and lost living conditions of human.
Acknowledgements This work was financially supported by the Shaanxi Social Science Foundation (08E001).
Discussion on the Eco-environmental Problem and Protection Countermeasures in the Mining Area of Anhui province [J], Journal of Anhui University (Natural Sciences), 2007(4):91-93.
(in Chinese) [7] Zhou Xiuhui.The Structure and Function of Ecosystem and Sustainable Biosphere [J], Journal of Shandong Institute of Technology,2001(2):75-78.
[10] Weikai Bao, Qingheng Chen.The Degraded Processes and Features of Ecosystem [J], CHINESE JOURNAL OF ECOLOGY, 1999 (2):37-39

The results are detailedly introduced in literature [2] and [3], which provides important references for the research and application of plutonium materials.
The researchers at home and abroad have succeeded in using this method to calculate the properties of many materials[4-6].
Science Publishers, 1967
Materials Science and Engineering. 9 (2010) 012086-012092
Journal of Southwest University of Nationalities: Natural Science Edition. 36 (2010) 1014-1017.

Several studies have investigate the history of sewage management with policy and the management of sewage materials.
Materials and methods Plant growth experiments The plants were grown in Plastic pots (Φ17×20 cm) located in the natural condition with sufficient sunlight.
American Society of Agronomy, Inc., Crop Science Society of America, Inc., Soil Science Society of America, Inc.
Journal of Applied Ecology 23: 317 –332
Journal of Environmental Management 84, 274–281

Novel Cathodes Consisting of La3Ni2O7+δ Mixed with Ba0.5Sr0.5Co0.8Fe0.2O3-δ for Proton-Conductive Solid Oxide Fuel Cells (p-SOFCs) Hung-Ghun Ding1, Wei Sun2, Jing-Chie Lin1,2*, Sheng-Wei Lee1, Jason Shian-Ching Jang1, I-Ming Hung3, Kai-Ti Hsu1, Kan-Rong Lee1 1Institute of Materials Science & Engineering, National Central University, No. 300, Jhongda Rd., Jhongli District, Taoyuan City 32001, Taiwan 2Department of Mechanical Engineering, National Central University, No. 300, Jhongda Rd., Jhongli District, Taoyuan City 32001, Taiwan 3Department of Chemical Engineering & Materials Science, Yuan Ze University, 135 Yuan-Tung Road, Jhongli District, Taoyuan City 32003, Taiwan *jclincom@cc.ncu.edu.tw Keywords: Proton-Conductive Solid Oxide Fuel Cells, Novel Cathode, Combustion Process, Lanthanum Nickel Oxide, Barium Strontium Cobalt Ferrite Abstract.
BSCF became one of the most popular cathode materials for mid-temperature SOFC since Shao and Haile published a paper to claim a high power density (up to 1010 mW/cm2 at 600°C) resulted from an anode-support SOFC with Ba0.5Sr0.5Co0.8Fe0.2O3-δ [6] as the cathode.
Cheng, Investigation of structural and electrochemical properties of LaSrCo1− xSbxO4 (0≤ x≤ 0.20) as potential cathode materials in intermediate-temperature solid oxide fuel cells, Journal of Solid State Chemistry, 247 (2017) 24-30
Bharadwaj, Chemical compatibility study of BSCF cathode materials with proton-conducting BCY/BCZY/BZY electrolytes, Journal of Thermal Analysis and Calorimetry, (2019) 1-10
KUHARUANGRONG, Synthesis and Physical Properties of La3-xSrxNi2O7±δ Ruddlesden-Popper Phase, Journal of Metals, Materials and Minerals, 18 (2008) 77-82.

Experimental section All manipulations including air-or moisture-sensitive materials were performed under an argon atmosphere with standard Schlenk techniques.
Materials Toluene, THF, diethyl ether, and hexane were freshly distilled under argon from purple sodium/benzophenone ketyl solutions.
Boehmer: Journal of Molecular Catalysis A: Chemical Vol.191(2003),p.177-185
Li, et al.: European Polymer Journal Vol.43(2007), p.164-171
Kim,et al.: Journal of Polymer Science Part A: Polymer Chemistry Vol.35(1997), p.3717-3728

Problem statement Modern industry in polyamide fiber production faces major new challenges through increased global competition, greater regulatory pressures and uncertain prices of energy, raw materials and products.
Hill: International Journal of Purchasing and Materials Management Vol. 28 (1992), p. 31
Pullman: Omega International Journal of Management Science Vol. 26 (1998), p. 739
Dickson: Journal of Purchasing Vol. 517 (1966), p. 5
Roy: International Journal of Computer Applications Vol. 12 (2011), p. 26