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In general, the well-known PEM materials are based on perfluorosulfonic acid membrane, such as Nafion® and Flemion®.
This power performance of DBFC is 50% higher than using commercial Nafion® materials.
Bai: Journal of Membrane Science Vol 267 (2005), p. 68 [14] X.
Li: Journal of Membrane Science Vol. 241 (2004), p. 265 [16] S.
Shu: Journal of Membrane Science Vol. 210 (2002), p. 77 [18] B.

According to the experimental results, it is confirmed that the newly developed table attached on the ultrasonic machine tool is an economical and efficient approach for machining micro holes on hard and brittle materials.
The workpiece material was silicon carbide (SiC).
Material science & Technology. 2 (1994) 103-106.
Haselkorn, Plastic flow in rotary ultrasonic machining of ceramics, Journal of Materials Processing Technology. 48 (1995) 771-777
Zhang, Chatter analysis of robotic machining process, Journal of Materials Processing Technology, 173 (2006) 301–309.

The material development can provide all types of fossil fuels, metal ores, building materials and non-metallic mineral to meet the needs of region and outside region.
The natural environment system is the supply station of raw materials, and it is also the disposal sites of waste.
Classification of material stock: ①stock increase: construction and infrastructure (building materials, metals and others), machinery and durable materials (metal and other materials); ②stock reduction: the demolition of construction and infrastructure (building materials, metal and others); ③The net change of stock: the net change of construction and infrastructure inventory and others.
The physical economy of the European Union Cross～country comparison and determinants of material consumption [EB/OL]. http://www.Elsevier.com/locate/ecolecon, 3:12(2006) [4] Xiaoqiu Chen, Lijia Qiao: submitted to Journal of Natural Resources, 15 (1):17-23(2000).
(In Chinese) [5] Xiaoqiu Chen, Tingting Zhao: submitted to Peking University (Natural Science), 7 (4):538 -547(2003).

This paper studies the complicated effects of the corrosion environment and sliding on the dynamic resistance of the contacts materials of Au plated.
Experimental materials and methods The corrosion test specimens are Au0.3-Ni1.2-Cu，Au0.9-Ni1.2-Cu and the size of specimens are 12×10mm.
Davis : Journal of Applied Physics, Vol. 91(2002), p. 951 [10] R.M.
Ashok: Physica Status Solidi (A) Applications and Materials Science, Vol. 206(2009),p. 250 [11] E.
Budzynski: Applied Surface Science, Vol. 180(2001),p. 246 [12] X.Y.Lin , J.G.Zhang: Electronic Components and Materials, Vol.20(2001), p.11

Therefore, developing materials based on secondary wastes and giving biodegradability to these materials have received priority [5].
When preparing materials from multilayer combined packaging wastes, the main difficulty is in disaggregating of layers [13].
As a result of separating packaging wastes based on multi-layer combined materials, four types of raw products were obtained.
Lacabanne, Influence of the environment during a photodegradation of multilayer films, Journal of Applied Polymer Science, 133 (2016) 1-7
Olkhov, Biological degradation of gas-filled composite materials on the base of polyethylene, IOP Conf.

Materials and Method The materials utilized in this research work were sourced from literature [15].
Journal of Environmental Science. 20 (2008)14 – 27
Microporous Mesoporous Materials. 37 (2000) 201 – 208
Journal of Hazard Materials. 19, 2 (2011)114 – 121
International Journal of Innovative Research in Science, Engineering and Technology. 2 ,8 (2013) 3890 – 3900

Introduction The filter materials of air-cooled condensate polishing unit contain ion exchange resin particles, powdered resin and fiber powder, which soaked in water will always have some impurities including residual raw materials, organic impurities from the skeleton and functional groups degradation [1-2].
Experimental Materials Three kinds of filter material samples were provided by power plant.
Conclusion The effect of water-filter ratio is significant to particle resins, but has little effect on the powder materials.
Tianjin Science and Technology Press: Tianjin, China; 1984: 77
Journal of Engineering for Thermal Energy and Power, 01, 2012

Packing problem, which occurs frequently in sheet metal, clothing and furniture industry, cut product patterns from raw materials most efficiently and maximize material utilization.
Baltzer AG, Science Publishers, Basel, Switzerland, p.313–325 [3] V.
Jakobs: European Journal of Operational Research Vol. 88 (1996), p.169-171 [5] J.
Turton: European Journal of Operational Research Vol.128 (2001), p.34–57 [7] A.
Oliveira: European Journal of Operational Research Vol.141 (2002), p. 365-368 [8] E.

Material Property Evolution in Incremental Sheet Forming – A Review and Comparison Tuomas Katajarinne and Seppo Kivivuori Department of Materials Science and Engineering, School of Chemical Technology Aalto University, P.O.
The materials can be divided into stable and metastable materials.
Materials and Methods Materials.
Nakagawa, Advances in prototype and low volume sheet forming and tooling, Journal of Materials Processing Technology 98 (2000), 244-250
Hänninen, Comparison of different methods for measuring strain induced α-martensite content in austenitic steels, Materials Science and Technology, 20 (2004) 1506-1512

The printed materials used for UV-curable inkjet ink have diversity, in order to research the differences of the printability of UV-curable inkjet ink on different printed materials and improve the printing quality of UV-curable inkjet ink printing on different materials, this research select coated paper, glass card adhesive paper, PVC plastic film as printed materials.
Especially, the biggest advantage of UV ink is that it can be adhered to multiple materials.
Such as styrene, wood, textile materials and all the material you can think of.
Printing Quality of UV ink-jet Ink on Different Materials.
The best index of ink-jet printing quality on three materials are shown in Tab.7.