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Supercritical CO2 extraction is a new method of extracting materials and it is developed fast in chemical industry, but its application in coal was reported few.
But there are some basic questions remain to be answered which about coupling reaction mechanism between ScCO2 and minerals in coal, ScCO2 extraction of materials of coal petrography and their effects.
Zhang: Journal of China Coal Society, Vol.32(2006):237-240
Weir: International Journal of Coal Geology, Vol.74(2008): 203-214
Neimark: Journal of Geophysical Research, Vol.116(2011)

Materials and Experimental Approach l Materials As the typical skeleton-dense and suspended-dense structure, the following two different types of asphalt mixture are used in the tests: (1).
Journal of South China University of Technology: Natural Science Edition, (40)2012 121-126
Journal of Building Materials, , (14) 2011 66-70
Journal of Southeast University: Natural Science Edition, (42)2012 761-765
Road Materials and Pavement Design, (13)2012 433-454

Thermoelectric materials are able to generate an electric potential when subjected to a temperature gradient.
Thermoelectric materials are those which when subjected to a temperature gradient, can generate an electric potential (DDP).
Wang: Journal of Materials Science Vol. 46 (2011), p. 5278
Singh: Nature Materials Vol. 11 (2012), p. 233
Lin: Journal of Materials Research Vol. 10 (1995), p. 2052

Therefore, research on the morphology of the second phase of spray forming Al-8.5Fe-1.3V-1.7Si heat-resistant aluminum alloy is of great significance to subsequent densification processing for alloy and improve the performance of materials.
Journal of Hunan University of Science & Technology, 2004, 19(2):37-41 [2] Subhash C K, Alan L Y, Michael J K.
Materials Science and Engineering A, 1993, 167(1-2): 11~21 [3] Lee J C, Lee S, Lee P Y, et al.
Materials Science and Engineering A, 1994, 189: 291~299 [5] SUN Yu-feng, REN Chen-xing, SHEN Ning-fu, et al.
Journal of Materials Science Letters, 1990, 9(5):633-635 [7] TANG Yi-ping.

Welding dissimilar materials has been widely applied in industries.
However, the process combination dissimilar materials become inevitable to hybrid structure formation between two materials by the differences in thermal-physical properties and melting temperatures of two materials and especially the formation of brittle intermetallic layer (IMCs) during welding process at high temperature [1].
Materials and Experimental Procedures The materials used were A6061 alloys and 304 stainless steel sheets with a size of 150x70 mm and a thickness fixed of 6mm.
Material Cu P Al Si Fe C O Ca Aluma-Steel Bal. 5.0 0.4 0.7 0.2 13.2 3.3 0.1 The aluminum alloy edge chamfered double-bevel angle at 40°, the surface of materials cleaned by the sandpapers.
Nogi. - Arc ignitability, bead protection and weld shape variations for He-Ar-O2 shielded GTA welding on SUS304 stainless steel, Journal of Materials Processing Technology, 209 (2009) 1231-1239.Al–Mg alloy sheet, Journal of Materials Processing Technology, 209 (2009) 5475–5480.

Materials Science and Engineering: A. 527(16) (2010) 4458-4465
Materials Science and Technology. 25(2) (2009) 205-212
Journal of nuclear materials. 395(1) (2009) 120-130
Materials Science & Engineering A. 279(1–2) (2000) 160-165
Materials Science & Engineering A. 272(2) (1999) 398-409

Electrochromic materials can change their optical properties reversibly with an applied potential due to electrochemical oxidation and reduction.
Polyaniline has emerged as one of the most promising class of active materials for electrochromic devices, due to its high capacitive characteristics [4], easy processing, low cost and environmental stability [5].
CNTs were discovered by Iijima in 1991 [11] and is a very promising materials for application that requires good electronic, mechanical and thermal properties.
Cruz-Silva: Solar Energy Materials & Solar Cell Vol. 91 (2007), p. 1444
Cech: Journal of Applied Physics Vol. 101 (2007), p. 016102 [9] Z.

Materials and Methods Hybrid foams were prepared with PVA fractions of 20 to 80 wt% by the sol-gel method [6, 7].
The curves show that the behavior is similar to observed for other cellular materials.
Solaro: Progress in Polymer Science Vol. 28 (2003), p. 963 [4] H.S.
Hench: Journal of Materials Science: Materials in Medicine Vol. 16 (2005), p. 1045 [7] V.C.
Mansur: Materials Research Vol.10 (2007), p. 677

Cortie, Ferritic stainless steels, in: Encyclopedia of Materials: Science and Technology, (2001) 3037-3039
Lee, Analysis and prevention of sticking occurring during hot rolling of ferritic stainless steel, Materials Science and Engineering: A. 507 (2009) 66-73
Wei, Characterisation of thin oxide scale and its surface roughness in hot metal rolling, Materials Science and Engineering: A. 435–436 (2006) 434-438
Jiang, Modelling of oxide scale surface roughness in hot metal forming, Journal of Materials Processing Technology. 177 (2006) 126-129
Beynon, Oxide scale behaviour on aluminium and steel under hot working conditions, Journal of Materials Processing Technology. 177 (2006) 36-40

Quartz block, also known as silica, is the raw materials (also known as silica sand) of not only production of quartz sand, but also quartz refractory materials and firing ferrosilicon.
Continual development of fly ash utilization science and technology, Journal of Architecture Material, 1998,(2): 17-19
Preparation and properties of cast aluminium-ceramic particle composites, Journal of Materials Science, 1981, 16: 983-993
Materials Science and Engineering, 2008, A487: 536-540
Improvement in mechanical properties of in-situ Al-TiB2 composite by incorporation of carbon Materials, Materials Science and Engineering, 2003, A339: 227-231