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It is our pleasure to present selected collection papers from ICOME 2013 in this edition of  Applied Mechanics and Materials (AMM). 
This book is divided into several sections to accommodate a wide range of  research in the area of Mechanical Engineering which includes (i) Energy Conversion; (ii)  Mechanical Design; (iii) Manufacturing Processes and Technologies; and (iv) Material Science and  Engineering   The 1st International Conference on Mechanical Engineering and the publication of this  book, would not have been possible without the hard work of a lot of dedicated personals. 
Therefore, we would like to thank you all of the authors who have spent tremendous amount of  time to contribute their findings and all of the reviewers for their dedications, comments and  suggestions such that the published papers have met the international journal standard. 

This research was supported in part by Grant-in-Aid for Scientific Research (C) (No.2056067) from Japan Society for the Promotion of Science.
[2] T.Rouxel, F.Wakai and K.Izaki, Tensile ductility of superplastic Al2O3-Y2O3-Si3N4/SiC composites, Journal of the American Ceramic Society 75 (1992) 2363-2372 [3]K.Morita, B.N.Kim, K.Hiraga and Y.Sakka, A threshold stress for the superplastic deformation in Y2O3-stabilized tetragonal ZrO2, Materials Science and Engineering A, 387-389 (2004) 655-658
[6] K.Yasuda, T.Okamoto, T.Shiota and Y.Matsuo, Recombinant domain movement mechanism in superplastic deformation of TZP ceramics, Materials Science and Engineering, A 418 (2006) 115-119
[7] K.Yasuda, T.Okamoto, T.Shiota, Kinematical analysis of 748 grains in TZP ceramics during superplastic deformation, Journal of Solid Mechanics and Materials Engineering, 2 (2008) 1497-1507
[9] T.Okamoto, K.Yasuda and T.Shiota, Estimation theory for random force exerted on grains during superplastic deformation of ceramics, IOP Conf.Series: Materials Science and Engineering, 18 (2011) 202007.

Materials and methods NIRS model development A total of 84 sun dried groundnut seeds including high oleate genotypes and F2 seeds of normal oleate × high oleate crosses were used to develop the NIRS models for main fatty acids.
The error and relative error were all acceptable, indicating that the NIRS models can satisfy the need for fast screening of quality groundnut materials.
In this study, the NIRS models were developed using a single NIRS machine, providing a tool for fast, simultaneous and nondestructive screening for desirable groundnut materials with multiple good quality traits.
Yu (Eds.), Genetic improvement of peanut, Shanghai Science and Technology Press, Shanghai, 2013, pp.159-162
Yu, Identification of peanut hybrids (Arachis hypogaea L.) using SSR markers, Journal of Nuclear Agricultural Sciences 23(4) (2009) 617-620.

Sun, Materials Science and Engineering A 381(1-2), 86(2004)
Ha, et al, Nanostructured Materials 9,233(1997)
Ma, Journal of Materials Science &Engineering, 21(2003)
Wu, et al, Rare Metal Materials &Engineering 33(2004)
Hwang, Materials Science and Engineering A 391, 243(2005)

Through comparative analyses of the conditions, conclusions were made as follows: device’s disfunction, high cost, lack of understanding and short of materials were the main cause of the low biogas penetration rate.
Figure 2 shows the limit of the biogas utilizing: lacking of technical support 33%; no enough fund 30%; short of materials 26%,the productive process costs too much 7% Besides money，one factor that limited the methane use was the lack of raw material.
c) Fig. 5: If the biogas device was to be constructed, support on technicists, financial aid and materials were mostly demanded.
Acknowledgements Important support of 115 plan in china (2008BADC4B01); Post-doctoral science fund of China (20060400243); National Natural Science fund of China (51009039); Science fund of HEI Long-jiang Province (E200936) ; key scientific and technological projects of HEI Long-jiang Province(GA09B503-2);Centre college primary scientific research item funds(HEUCF100303).
Anaerobic digestion of saline creeping wild ryegrass for biogas production and pretreatment of particleboard material，Science Direct -Bioresource Technology. 2009,100(4): 1582-1588

In the PARB process, the springback of sheet metal not only related with process parameters, but also related with the sheet metal materials and the mechanical properties of the padding.
Taking into account the reuse of the padding materials, the padding is always elastic material.
The sheet and the padding are respectively set to elastic-plastic material and elastic material.
Chinese Journal of Aeronautics Vol. 12 (1991), p.401 [2].
Yu Tongxi, Zhang Liangzhi: Theory of Plastic Bending and Its Application (Science Press, Beijing 1992) [3].

The results are acceptable for fatigue crack initiation life prediction in engineering experience and show that the improved model for predicting fatigue crack initiation life as an extension of the concept of minimizing the Gibbs free energy change considering plastic energy is adoptable to some superplastic materials such as GH4169.
The efficiency factor f is a material constant accompanying test conditions.
So equation (9) and (10) are: ] )( 2 [ )1(40 * 2 max 2 * p bs f� dE a εσ σσ δ συ π ∆∆−+ − = (11) p bs fdE a dE � εσπ συδσσπ ∆∆ −−+ = 2.0 )1(8)(1.0 *2 max 2 * (12) There is only one uncertain term f for a certain test condition and materials parameters.
Sih, Mechanics and physics of energy density theory, Journal of Theoretical and Applied Fracture Mechanics 4 (1985) 157-173 [5] G.C.
Ho, Sharp notch fracture strength characterized by critical energy density, Journal of Theoretical and Applied Fracture Mechanics 16 (1991) 179-214

China is in a large-scale infrastructure engineering construction period and most places locate in the earthquake region, so she needs a lot of high-performance building materials to make seismic fortification and extend service life of infrastructure.
ACI Structural Journal, 2005, 102(5): 668-675
Damage-tolerant cement-based materials for performance based earthquake engineering design: research needs [A].
ACI Structural Journal, 2002, 99(6):781–790 [7]Kabele, P., and Kanakubo, T.
Materials and Structures, 1995, 28(183): 586-595.

Materials and Methods Materials.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China - Youth Science Fund Project (31100434) and Shandong Province Young and Middle-Aged Scientists Research Award Fund (BS2011CL035).
Adsorption kinetics of Cu(II) ions using N,O-carboxymethyl-chitosan, Journal of Hazardous Materials, 131, (2005), p.103
Optimization of batch process parameters using response surface methodology for dye removal by a novel adsorbent, Chemical Engineering Journal, 105, (2005), p.131
Response surface modeling and optimization of chromium(VI) removal from aqueous solution using Tamarind wood activated carbon in batch process, Journal of Hazardous Materials, 172, (2009), p.818.

On the Dispersants of Diamond-Ni-P Composite Electroless Plating and Properties of the Coating Liming Fenga, Xue Weib School of Materials Science and Engineering,Shandong Jianzhu University,Jinan 250101,China aflm111@163.com, bwxwfc@126.com Key words: Composite Electroless Plating; Dispersants; Ni-P Alloy; Diamond Abstract.
Chinese Journal of Mechanical Engineering, Vol. 21, No 3, 84-86, 2008
Key Engineering Materials, Vol.373-374, 281-284, 2008
Diamond and Related Materials,Vol. 14, No 11-12, 1761-1764, 2005
Materials Research Bulletin, Vol. 36, No 11,1889-1902,2001