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Energy School, Xi’an University of Science and Technology, Xi’an Shanxi 710000, China 2.
The reason of increase is relative to change of rock material parameters in lower wall.
As shown in table 1, lower wall is divided into two parts and rock material parameters are different in two parts.
Onishi, Ichiko Shimizu: submitted to Journal of Structural Geology (2005) [2] Richard J.
Sun Lijian, Zhu Yuanqing, Yang Guangliang: submitted to Journal of Geodesy and Geodynamics ( 2009)

As solid granule is an existence form of substance between the solid and liquid forms, it possesses both features and yet differs from them, for instance, granular materials are characterized by the natural repose angle, silo effect, force chain distribution, etc [3].
The Chinese Journal of Nonferrous Metals, 2012, 22(4): 991-999
Journal of Mechanical Engineering, 2009, 45(8):255-260
Journal of Materials Processing Technology,2012(212):1916–1924
Journal of Plasticity Engineering, 2010, 17(4):71-75.

Samples and Methods Plant material.
Recently, many natural antioxidants have been isolated from different plant materials [11-13].
Kinae: Journal of Nutrition, Vol. 130 (2000) No.9,p.2243
Di: Journal of Chromatography B, Vol. 812 (2004) No.1-2,p.241
Ardestani: Journal of Medicinal Food, Vol. 10 (2007) No.4,p.667

Materials and methods Experimental material .
Then, plant material were separated into aboveground and underground parts which were dried to a constant mass at 60℃ and weighed to test their biomass.
Acknowledgements This work is supported by a National Natural Science Foundation of China (51079076).
Schaub, The variability of root cohesion as an influence on shallow landslide susceptibility in the Oregon Coast Range, Canadian Geotechnical Journal 38(2001), 995-1024
Journal of Wuhan Botanic Research 27(2010), 303-314.

The extraction of the components from these materials is one of the most important procedures in making the reconstituted tobacco sheet.
Introduction Tobacco leaves are the important materials in tobacco production.
Material and method Materials and reagents Tobacco stem and tobacco dust were supplied by China Tobacco Guangdong Industrial Co., Ltd..
[9] Deyi Zhong, Kejun Zhong and Heping Li: Tobacco Science & Technology, 2009, 264(7):12-14
Ravindranath: Journal of Pharmaceutical and Biomedical Analysis, 2008, (46):310-315.

Advanced Materials Research. 211(2011) 1041-1045
Applied Mechanics and Materials. 33 (2010) 518-522
Advanced Materials Research. 203 (2011) 726-729
Advanced Materials Research. 32 (2011) 314-315
Journal of Biomedical Materials Research, Part A. 82 (2007) 618-629

However, as a kind of non-metal polymer materials, PMMA is still more fragile compared with metal materials, which could craze and crack under stresses due to load and temperature.
The testing platform is made of heat-resistance and pressure-resistance stainless steel materials, used to install porthole assembly and temperature, pressure, displacement sensors.
Chow, Fatigue crack propagation in aluminium and PMMA, International Journal of Fracture, 1984, 26: 37-42
Journal of Materials Science, 1990, 25: 1917-1923
Journal of Aeronautical Materials, 2009, 29(2): 76-80

Owing to their considerable advantages, they are widely used to replace conventional metallic materials in a wide range of industries including aircraft, aerospace, marine and defense industry.
In the aerospace, joining composite materials to other metal materials could not be avoided, and drilling is always the final operation during assembly, which makes drilling holes quality usually greatly affects the assembly quality and service life of the aircraft.
Journal of Composite Structures. 63 (2004):329-338 [6] Tsao, C.C.
Experimental Study of Drilling Composite Materials with Step-core Drill.
International Journal of Machine Tools and Manufacture 37 (1997): 1097-1108

This indicates that for materials having positive value of surface tension coefficient, more energy is required to change phase.
International Journal of Heat and Mass Transfer 49.21-22 (2006): 4124-4131
Journal of Physics D: Applied Physics 36.12 (2003): 1388
Procedia materials science 6 (2014): 821-834
Computational Materials Science 21.3 (2001): 276-290

Materials and Methods Li7La3ZrSnO12 were prepared by mixing raw materials using planetary ball-milling and followed by firing at 950 oC with intermittence grindings.
All raw materials were dried for an hour to remove moisture prior weight to obtain precise mol ratio in the mixing.
Then, the mixed raw materials were inserted into a jar and planetary ball-milled for 60 minutes at 600 rpm.
Chemistry of Materials, 25, 3048-3055 DOI: https://doi.org/10.1021/cm401232r [9] Mohd Sobri Idris and Rozana AM Osman, Structure Refinement Strategy of Li-based Complex Oxides using GSAS-EXPGUI software package, Advanced Materials Research, 795, 479-482 (2013). | DOI: https://doi.org/10.4028/www.scientific.net/AMR.795.479 [10] Ku Noor Dhaniah Ku Muhsen, Rozana Aina Maulat Osman, Mohd Sobri Idris, Giant anomalous dielectric behaviour of BaSnO3 at high temperature, Journal of Materials Science: Materials in Electronics, 30, 7514– 7523(2019) DOI: https://doi.org/10.1007/s10854-019-01065-x [11] J.
Vallino (1988) New tetragonal phase in the system La-Ce-Li-O, Materials Chemistry and Physics, 20, 163-169 DOI: https://doi.org/10.1016/0254-0584(88)90107-1