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Modeling and Simulation of Microstructure Evolution of Cast Mg Alloy HUO Liang1, a, HAN Zhiqiang1,b and LIU Baicheng1,c 1 Key Laboratory for Advanced Materials Processing Technology, Ministry of Education Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China a huol05@mails.thu.edu.cn, bzqhan@tsinghua.edu.cn, cliubc@tsinghua.edu.cn Keywords: Mg alloy, Microstructure, Numerical Simulation, Cellular Automaton Method, Hexagonal Mesh.
Liu: Materials Science Forum Vol.561-565(2007), p. 1797 [3] Z.
Ohno et al.: Advanced Engineering Materials Vol.8 (2006), p. 241 [5] L.
Stefanescu, in: Science and Engineering of Casting Solidification.
Liu: Paper presented at The 2nd International Conference on Advances in Solidification Processes, Leoben, Austria (2008).

The Establishment of Agricultural Engineering Information System for Farmer Cultivation Huijing Li 1, Guangji Tong 2 Economic Collage of Economic and Management, Northeast Forestry University, China 1 lhingemail@yahoo.com.cn Corresponding Author: Guangji Tong Keywords: Information system, Famer cultivation, SWOT analysis Abstract.
In this paper, we analysis the significance on agricultural information to promote the occupation farmers cultivation engineering, and we use SWOT analysis method, analysis the construction of current agricultural information’s strengths, weaknesses, opportunities and threatens, putting forward the suggestion that make the agricultural information as the carrier, and develop the construction of occupation farmers, it is namely promoting agricultural information resources integrating and sharing, innovating rural grass-roots information service mode, constructing rural education information service platform which is regard knowledge push as construction of core and basing on cloud computing environment of agricultural information education system.
The Significance of Agricultural Information to Cultivation Programmer on Professional Peasants Agricultural information plays an important role on advancing of peasants.
Online communication and network transactions has became a new model by using network trading platform , forum, blog and other services on the interment.
In order to cultivate new farmers in the process of informatization, make full use of the agricultural broadcast and TV education resources, combined with the "sunshine project", "cross-century young farmer science and technology training project", "million students plan", "new farmers undertaking engineering", "rural rich labor transfer employment training project" and "agricultural remote training project" engineering program to promote, develop the long-distance education, strengthen the peasants' agricultural skills and job training, the use of modern information technology to cultivate culture, understand technology, will operate a new type of occupation farmer.

Principle of Theory and Practice Advancing together Through investigation of the present situation of distance education in 68 pilot universities in China, we find that the proportion of theoretical coursewares is larger than practical those[3], which leads the common fault of learners having a poor practical ability.
So when we are designing the web-based coursewares, we should follow the principle of theory and practice advancing together and make full use of modern technology to make the coursewares more rich, novel and operable.
Principle of Engineering Problems “Literarized” and Literary Problems Dramatized The view of “Engineering Problems ‘Literarized’ and Literary Problems Dramatized” [4] is put forward by professor Li Xiaoping who is from the school of modern distance education in Beijing Institute of Technology.
Therefore, when we design the coursewares, we should pay more attention to its interest and treat the engineering problems with literary view and treat the literary problems with dramatic view.
For example, when we prepare for shooting a historic courseware, we usually choose the form of forum and select a speaker who can command the overall situation.

The fire smoke exhausting robot produced by the Shanghai Fire Institute of Ministry of Public Security is the most advanced equipment in this area.
Nelson Engineering,2002,in press
Chinese Journal of Mechanical Engineering,2000,36(12):9-13
[4] Information on http://forum.simwe.com/archiver/tid-451394.html
Proceedings of the Institute of Marine Engineering, Science and Technology.2005,A6t 43-48

Krejsa, Measured Data Processing in Civil Structure Using the DOProC, Method, Advanced Materials Research. 859 (2013) 114-121
[7] IAEA Safety Standards, Advanced Nuclear Plant Design Options to Scope with External Events, IAEA-TECDOC-1487, Vienna, February, 2006
First European Conference on Earthquake Engineering and Seismology, 3-8 September, Geneva, Switzerland, pp 422, 2006
Kabeláč, Study of a Nuclear Power Plant Containment Damage Caused by Impact of a Plane, International Refereed Journal of Engineering and Science (IRJES). 1 4 (2012) 48-53
Sugano, Local Damage to Reinforced Concrete Structures Caused by Aircraft Engine Missiles: Part 2, Evaluation of Test Results, Nuclear Engineering and Design, Vol. 140, 1993, pp. 407-423

Precision Engineering and Manufacturing, Vol. 11 (2010), pp. 633-647
Joseph: Advanced Robotics, Vol. 24 (2010), pp. 2087-2118
Conf. on Advanced Intelligent Mechatronics, edtied by IEEE, Piscataway, NJ(2005)
[11] Weiguang Dong, Hongguang Wang, Aihua Liu, and et al: Advanced Engineering Forum, Vol. 2 (2012), pp.346-351

Engineering type strategy to strengthen the water resources carrying capacity of Rizhao City.
By above knowable, the contradiction on resources-type lacking of water is most obvious than that in engineering-type fields.
The using coefficient of agricultural irrigation is 0.4~0.45, which is much lower than those of 0.7~0.8 in advanced countries.
Journal of Hydraulic Engineering, Vol. 39(2008)，p.647-651,in Chinese [4] Shaofeng JIA, Shifeng ZHANG, Jun XIA, etc.
Journal of Hydraulic Engineering,Vol.35 (2004) , p.111-116,in Chinese [5] Development and Reform Commission of Rizhao City.

Key Engineering Materials 01/2014
Key Engineering Materials, 2014
Engineering Structures, 31(7) (2009) 1486–1500
Key Engineering Materials, 2014
Engineering Structures, 32(8) (2010) 2318-2325 [32] L.

Introduction Poly-Ether-Ether-Ketone (PEEK) is one of super engineering plastics and has high heat, corrosion and wear resistance in polymer materials.
Hamilton, Explicit equations for the stresses beneath a sliding spherical contact, Proceedings of the Institution of Mechanical Engineers, Part C Journal of Mechanical Engineering Science, Vol. 197, No. 1 (1983) pp. 53-59
Koike et al., Influence of radial load on PEEK plastic bearings life cycle under water lubricated conditions, Advanced Materials Research, Vol. 217-218 (2011) pp.1260-1265
Koike et al., Observation of crack propagation in PEEK polymer bearings under water-lubricated conditions, Advanced Materials Research, Vol. 566 (2012) pp.109-114
Honda et al., The Influence of Surface Texture on Rolling-Contact Fatigue of PEEK Bearings in Water, Advanced Materials Research, Vol. 154-155 (2011) pp.1713-1716

Direct use of alloys with SME as structural materials in mechanical engineering has a great potential, but is rather expensive.
Engineering Aspects of Shape Memory Alloys.
Materials Science Forum.
Superficial Modifying by Materials with SME in Engineering Appendices.
Advanced Materials Research.