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Therefore, it has broad application prospects in the field of solar cells and sensor elements, catalyst carriers, bactericidal antimicrobials, building materials, coatings, air purification, sewage treatment, etc. [1], currently it is one of the most valuable research materials in the field of new energy-materials and environmental pollution control.
Experimental Materials and Methods The TiO2 powder and the Ag powder used in the experiment were pure chemical raw materials with a particle diameter of 200 mesh.
References [1] A Nath, S S Laha, A Khare: Applied Surface Science Vol. 257(2011), p.167-172 [2] Giraud Sophie, Loupias Guillaume, Maskrot Hicham: Journal of the European Ceramic Society Vol. 27(2007), p.931–936 [3] B.
Liu: Materials Review Vol. 24(2010), p.41-43 [4] V.
Liu: Applied Surface Science Vol. 283(2013), p.422-429

Experimental Procedure 2.1 Material CuSO4.5H2O was purchased from Sigma Aldrich.
Henry, Electron-hole diffusion lengths exceeding 1 micrometer in an organometal trihalide perovskite absorber, Science. 342 (2013) 341-344
Wei, Halide perovskite materials for solar cells: A theoretical review, J.
Rhee, Review of current progress in inorganic hole-transport materials for perovskite solar cells, App.
Thangamuthu, Inorganic based hole transport materials for perovskite solar cells, Journal of Materials Science: Materials in Electronics. 29 (2018) 8847-8853

There has been an increasing demand for sensitive methods for the determination of trace amounts selenium in different samples such as water, food, medicament and environmental, biological materials.
Materials and Methods Apparatus Absorption spectra were recorded on a Hitachi Model U-3010 Spectrophotometer with a 1-cm glass cell.
Alireza: Journal of Hazardous Materials Vol. 168 (2009), p. 542 [6]  E.
Su: Chinese journal of Food Science Vol. 29 (2008): p. 292 [13] C.
Surendra: Journal of Hazardous Materials Vol.165(2009), p. 780 [14] G.

An example of the well-studied 2D materials are transition metal dichalcogenides (TMDs).
The crystals of such layered materials can be cleaved down to a single monolayer (ML).
In the effort to understand these properties, several studies were performed to measure the surface characteristics of bulk and thin film materials.
Synthesis, properties and applications of 2D layered MIIIXVI (M = Ga, In; X = S, Se, Te) materials, Nanoscale, (2016), 8, 16802–18
Atomic Defects in Two Dimensional Materials, Adv.

Introduction Fiber-reinforced composite materials was be used widely in various engineering applications due to their high specific stiffness, high strength and low weight.
Laminated composite is the most style of fiber-reinforced composite materials in application.
But failure mechanism of composite materials is not yet fully understood in the world.
Composite Science Technology, 65: 1891-1908
Journal of composite materials, Vol41, No. 11, (2007) 1295~1309 [4] J.

Materials and Methods.
The equipment and materials used in this research work include: 1.
Technology Incubation Centre, Federal Ministry of Science and Technology, Benin City, Nigeria.
Atumah, Performance Evaluation of Design AD System Biogas Purification Filter, International Journal of Mathematical, Engineering and Management Sciences, 3 (2018) 17–27.
Energy Procedia (Science Direct), 81 (2015) 1231 – 1237

The electrically conductive fibers can be intrinsically conductive or become conductive by coating/blending or integrating with electrically conductive materials.
In situ tensile tests were conducted by a SEM (Lecia Steroscan 440) equipped with a mini material tester system, which enable to observe in situ what happened on the fiber surface during extension.
Acknowledgements The work is supported by the National Nature Science Foundation of China grant under 10872168.
Mostafizur Rahman, Kazutaka Mitobe, Masafumi Suzuki, Chihiro Takano and Noboru Yoshimura: International Journal of Science and Technology Education Research Vol. 2(2) (2011) p.22 [5] X.M.

It considers all thermal properties of solid material and gases are invariance with temperature.
So the regenerator inlet end is damaged easier, and the requirements of the regenerator material are higher.
In the actual production, in order to avoid affect production produced by the regenerator damage, it needs to choose high refractoriness material.
The Open Mechanical Engineering Journal, 2011, 5, p.62-67
University of science and technology Liaoning (2007).

Insulating glass is an important energy saving material of architecture, however only 10 percent of 3,000 million square meters flat glass produced annually by glass industry of China are insulating glass, so it has prosperous market in China [1-4].
Acknowledgement This work was sponsored by Funding Project for Academic Human Resources Development in Institutions of Higher Learning Under the Jurisdiction of Beijing Municipality (PHR201007119) References [1] Luo Hongjie: Orient Science and Technology Forum(Shanghai, China, May 26-27, 2009).
(In Chinese) [3] Qiu Yongzhong: Shanghai Building Materials, (2009) No.2, pp.15-17.
[5] Gao Wensheng, Cui Jianzhi and He Xianbao: Proceedings of 11th Annual Meeting of China Association for Science and Technology(Chongqing, China, September 8-10, 2009). pp.1-6.
[7] Zhang Xueliang, Xu Gening and Wen Shuhua: Journal of Taiyuan Heavy Machinery Institute, ( 2002) Vol. 23, No.3, pp.276-281.

Research on Forming Process of Anodic Oxide Film of AZ91D Magnesium Alloy Xiaochun MA1,a, Jiancheng Hu1, b and Yingqi Tao2,c 1Research Institute of Material and Surface Engineering Zhejiang University of Technology, Hangzhou 310032, P.R.
Magnesium alloy is highly reactive and can produce more excitation state materials compared with aluminum alloy, the anodic oxidation process of magnesium alloy turns to be considerably complex due to a series of physical and chemical change.
Acknowledgement The Project Supported by Zhejiang Provincial Natural Science Foundation of China (Grant No.
Gong: Journal of Chinese Society for Corrosion and Protection, Vol. 23 (2003) No.5, pp.286-289
Zhang: Research of environment-friendly anodic oxide surface of Mg and Magnesium alloys (Ph.D., Institute of Metal Research; Chinese Academy of Science, China 2003)