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From its constituent materials, a PCB contains 40 % metal, 30% organic, and 30% ceramic materials [1].
This is due to the release of volatile materials, such as hydrocarbons and CO (g) that can reduce hematite at low temperatures, such as shown in reaction (2).
Procedia - Social and Behavioral Sciences, 57, 331–338
Journal of Sustainable Metallurgy, 1(1), 75–84
Materials Today: Proceedings, 13, 127–131

On the other hand the superior strength and stiffness properties of composite materials are often compromised by the environmental conditions, they are exposed to.
Colombi,: Advanced FRP Materials for Civil structures, Bologna, Italy, 2000, pp. 33-42
Environmental Effects on Composite Materials, Vol. 2, Thechnomic Publishing Co.
Ayatollahi and M.R.M Aliha: Material science and Engineering: A, Vol. 417 (2006), 348-356
Verchery : in Proceeding of 11 th conference of the French Society for Composite materials.

Introduction Composite hollow cylinders are made up of concentric layers of two or more materials and possess mechanical and thermal properties that exceed that of its constituent materials.
The elastic properties and orientations of the materials were introduced.
International Journal of Mechanical Sciences, 45(3) (2003) 519-539
Sandwich Structs and Materials. 10 (2008) 53-74
Yang, Time-Dependent Stress Analysis in Functionally Graded Materials, J.

During the grinding of ceramic materials, plastic deformation occurs on the workpiece surface and the grinding force action leads to tensile residual stresses on the ground surface.
Zhang: Mechanical Character of Ceramic Material (Science Publishing Company, Beijing 1987)
Peng: Journal of Manufacturing Science and Engineering, Vol.122 (2000), pp.51-58
Fan: X-ray Metal Science (Mechanical Industry Publishing Company, Beijing 1981)
Han: Journal of ChongQing University, Vol25 (2002) No.1, pp.40-44.

Saindrenan: Materials Science and Technology 14 (1998), p. 411 [2] Y.
Driver: Materials Science and Engineering A 403 (2005) 144 [10] B.
Wagner: Materials Science Forum 467-470 (2004) 453 [12] K.Y.
Wagner: International Journal of Materials Research 97 (2006) 6 [14] M.
Padilha: Materials Science and Engineering A 392 (2005) 209

For an AE-based damage quantification, Kaiser Effect is well known for the analysis of progressive damage in aggregative materials under cyclic compressive loads.
Manuello, Evaluation of the repair on multiple leaf stone masonry by acoustic emission, Materials and Structures, 2008, 41(6)1169-1189
Lacidogna, Damage monitoring of an historical masonry building by the acoustic emission technique, Materials and Structures, 2006, 39:161-167
Journal for Restoration of Buildings and Monuments 1999:449-472
Royles, Acoustic Emission monitoring of masonry arche bridges, British Journal of NDT, 1991,33:339-342

Hydrogeology Journal 13: 313-316
Beijing: China Environmental Science Press
Scientific management of groundwater resources in Shijiazhuang City, Journal of Changchun College of Geology 17(4): 419- 430 [6] Lin XY, Liao ZS. 1995.
Journal of Arid Land Resources and Environment，18(1)：42-48
Journal of Jilin University (Earth Science Edition), 40 (5):1090-1097

Therefore, it can effectively reduce the cost of the whole air conditioner and has the advantages of energy saving and material saving effect by the substitution of R1270 for R22.
Journal of Mechanical Science and Technology. 2008, 22: 532-537
Journal of Refrigeration, 2006(4): 26-30
International Journal of Refrigeration. 2008, 1: 552-563
Journal of Mechanical Science and Technology. 2008, 22:532-537.

Introduction Amorphous ferromagnetic alloys or metallic glasses have proved to be interesting materials due to their structural and magneto-mechanical properties.
In these kind of materials magnetic and elastic properties are coupled through the magnetostriction and due to this phenomenon they are considered technological interesting materials [1, 2, 3].
Materials 10 (2017) 849 (17p).
Nanostructured Materials 10 (1998) 449-456.
Journal of Non−Crystalline Solids 287 (2001) 428-431.

Materials and methods This paper studied the range of XXB into the estuary of the Yangtze river mainstream to backwater end in zhaojun town, XingShanXian, the 30 km waters, set a sampling section in this area about every 3 km or so, were recorded as XX00 - XX10 (no XX10 section in dry period), in the town of zhaojun town upper reaches, near the Xingshan hydrologic station set up a Xiangxi source sampling section, recorded as XXYT.
Environmental Science (in Chinese), Vol.27, p. 1056-1061
Journal of South Agricultural University (Nutural Science) (in Chinese), Vol.27, p. 474-478
Journal of China Three Gorges University (Natural Sciences) (in Chinese), Vol.29, p. 20-24
Chinese Journal of Oceanology and Limnology (in Chinese), Vol. 25, p. 157-165