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Materials and Methods A.Plant material The seeds of Micro Tom is brought from PanAmerican seed company.
Shoot regeneration of tomato (Lycopersicon esculentum Mill.) in tissue culture using several kinds of supporting materials [J].
Plant Science, 1995, 108 (1): 93-100
The Plant Journal, 1997, 12 (6): 1465-1472
The Plant Journal, 2005, 43 (3): 449-457

But load is the reason that impacts contact area between rubber materials and metal wheel and the friction heat, thus affects the wear mechanism.
Journal of Applied Polymer Science, v 112, n 3, p 1461-1470, 2009
Journal of Materials Science, v 39, n 18, p 5625-5632, 2004
Nitrile rubber graphite antifriction materials. era of new material cup the fourth session of the national rubber products technical symposium proceedings
Materials for Mechanical Engineering, 2006, Vol. 30, No. 3-65

There are many kinds of materials for the bipolar plates such as machined graphite plates, metal sheets and graphite composites, etc.
The characteristics of innate materials are represented in Table 1.
Even though FG was also one of the conductive materials, its contribution to the electrical conductivity was quite lower than EG.
Furdin: Progress in Materials Science, Vol. 50, pp. 93-179, 2005 [9] S.I.
Han: Advanced Composite Materials, Vol. 15, No. 1, pp.115-126, 2006

In 1982, Mandelbrot proposed the fractal dimension theory, and then GA Niklasson studied the advantages and disadvantages of the fractal dimension theory in building materials, and pointed out that this method had a good correlation.
Experiments and Experiment Methods Raw materials:Cement: Dingxin common portland cement (P.O 42.5), Jinyu Dingxin Cements Limited, the main physical indexes are shown in Table 1, the main chemical components are shown in Table 2.Sand: ISO standard sand.
Zheng Zhongshan, Yu Ke and other researchers found that the size distribution of a large number of powder materials have fractal structure [4], met in the Formula (1)
Fractal characteristics of powder particle size distribution, Journal of materials research, 1995, 9(6): 539-542
Study of Super High Strength Concrete Containing super fine limestone powder and Titanium slag powder, Journal of Building Materials, 2005, (06):672-676.

In the later research, materials or coatings containing Fe-WC composite ceramic has the same or even better performance than that of WC-Co powder [2].
The study of Fe-WC cermet is a new field of composite materials.
(1) The materials used in this experiment and their characteristics are shown in Table 1.
Composites Journal, 2001, 18(2): 65-69
Journal of Materials Processing Technology, 1997, (67): 100-104.

It is challenging to explore the technique how to weld different metallic materials for certain engineering application.
Experimental procedure The materials used were mild steel and Al 6063 Al.
The thickness of the samples was 3 mm for both materials.
Ahmad, Fazlul Bari, The influence of welding parameters and corrosive environment on the joint strength of resistance spot-welded mild steel sheets, International Journal of Mechanical and Materials Engineering. 4 (2009) 208-210 [2] S.
Yakou, Control of intermetallic compound layers at interface between steel and aluminum by diffusion-treatment, Materials Science and Engineering A338 (2002) 44-53

Figure.1 Earth and rockfill dam section Figure.2 The Schematic grid of Earth rockfill diagram dam cross section 3.1 Calculation of Material Parameters Because the materials used by the dam are different, so the corresponding permeability coefficient also changed.
Table.1 Dimensional seepage calculation of material parameters Location Material Hydraulic Conductivity （cm/s） Dam Body Upstream Gravel MaterialⅠ 5×10-3 Upstream Gravel MaterialⅡ 1×10-1 Transition MaterialⅠ 1×10-2 Transition MaterialⅡ 1×10-2 Asphalt Core Wall 1×10-7 Downstream Gravel Material 1×10-1 Downstream Rockfill 5×10-2 Prism 5×10-2 Dam Foundation Bedrock 1×10-5 Curtain Grouting 1×10-6 Results and analysis According to calculations require of the model,it is divided twenty regions, where the dam body is divided eight regions, dam foundation section is divided into twelve regions, and the materials subdivided into ten kinds of material properties, whereby analyses seepage of the model for the dam.
This is due to both the materials of hydraulic conductivity.
Journal of Dalian University of Technology,2006
Journal of Dalian University of Technology,2013 [5] Chen Xiang Yang, Tuo Tao.

Introduction Ni-Fe plating has a copmpact structure, bright and smooth surface and was widely used in the production of new materials that require specific mechanical, chemical and/or physical properties[1,6].
Experimental method Since the magnetic properties of Ni-Fe alloys are seriously affected by their compositions and structures, a reliable control of the composition and textural properties (e.g. crystalline structures, morphologies, roughness, etc.) through plating is an important issue in designing the magnetic functionality of these materials.
There are some inhibition material such as H2 ,Ni(OH)2 on the cathode-solution interface.
Journal of Materials Science: Materials in Electronics,11,p. 243,( 2000)
The Chinese Journal of Nonferrous Metals, 14, p. 273, ( 2004)

In recent years, some polishing tests of hard and brittle materials in the presence of cryogenic polishing pad containing colloidal SiO2 slurry, nano-sized CeO2 or Al2O3 slurry were carried out and smooth surfaces with nanometer or sub-nanometer roughness have been obtained [2-4].
The calculation of the temperature distribution of the IFA polishing pad contains phase transition of the material.
Acknowledgement This research is supported by China Postdoctoral Science Foudation (200904501095), Jiangsu Planned Projects for Postdoctoral Research Funds (0901035C) and the Foundation of Jiangsu Key Laboratory of Precision and Micro-manufacturing Technology (JSPM200705).
Chattopadhyay: Journal of Materials Processing Technology, Vol. 37 (1993), pp.791
Zhu and et al.: Chinese Journal of Chemical Physics, Vol. 20 (2007), pp.643

Bhalla: Smart Materials and Structures, vol. 14 (2005), p. 671-684
Rogers: Journal of Intelligent Material Systems and Structures, vol. 5 (1994), p. 12-20
Rogers: Journal of Intelligent Material Systems and Structures, vol. 6 (1995), p. 134-139
Gupta: Smart Materials and Structures, vol. 9 (2000), p. 533-542
Naidu: Smart Materials and Structures, vol. 11 (2002), p. 317-329