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This paper focuses on a single crane scheduling problem which is motivated by cooled-rolling material warehouse in the iron and steel enterprise.
The materials used in the cold rolling process are steel coils from hot rolling.
These coils are stored in the cold-rolling material warehouse and are retrieved when they are required according to the cold-rolling production plan.
L2011207) and National Natural Science Foundation of China (Grant No. 71201104).
International Journal of Production Economics 104 (2006): 482-501

But whether do field experiments or do the indoor experiment, there will cost more financial and material resources.
While numerical simulation method is also one of the research methods, which can use software to study the defects in computer repeatedly and can save vast financial and material resources.
Numerical mesh model and material parameters.
Zhejiang Water Conservancy Science and Technology,2005(5) ,p. 36-39（In Chinese） [5] Jindezhi Yu, Tiecheng Chen, Yingdao Quan.
Chinese Journal of Rock Mechanics and Engineering, 2004, 23(16) ,p. 2730－2733（In Chinese） [7] Yuming Chen, Dingping Xu.

Dimensional and form variations are the result of variations in the manufacturing processes or raw materials used in production.
Yang: Journal of Zhejiang University SCIENCE A, Vol. 7 (2006) No.11, pp.1180-1188
Gong: Advanced Materials Research, Vol. 139-141 (2010), pp.1289-1293

Materials and Methods Materials.The measure time was in the morning (10:00-12:00), afternoon (15:00-17:00) and the evening (19:00-21:00).
References [1] Zhiping Zhou,Qingqing Pei: Journal of Guangzhou University(Natural Science Edition), 2005,Vol.4, pp.366-369,In chinese

According to a large number of experimental results, the strength distribution of the material is generally better to obey the normal distribution[4].
The strength of periodic symmetric struts support material obeys normal distribution, the mean value of yield strength is 550MPa, and standard deviation is set 27.5MPa in this study.
The probability distribution curve of stress obtained by mathematical model and the probability distribution curve of material strength are drawn in the same graph to determine whether there is interference area.
Fukuizumi et. al: Journal of Engineering for Gas Turbines and Power Vol. 127 (2005), p.369-374
Zhang, Mamtimin Geni: Modern design theory and method (Beijing: The Publishing House of Science, Chinese 2007). _________________________________________________________________ ※ Corresponding author: Mamtimin GENI, School of Mechanical Engineering, Xinjiang University, Urumqi, 830047, P.R.

Perfectly elastic material; 2.
(1) Where, is modulus of elasticity of the material; is shear modulus of the material; is gross moment of intertia of the cross section about the bending weak-axis; is warping moment of inertia; is torsional moment of inertia; is Wagner effect of residual stress, is beam length; is the distance from the loading point above the shear center, ; is lateral shift; is vertical displacement; and is torsion angle of cross-section.
Narrow flange H beam section and the cut dimensions are shown in Table 1, the beam material is designed as , The modulus of elasticity is equal to ; shear modulus is equal to ; and cut dimensions are defined as ; ; .
SAC Joint Venture (2000) [5] Gilton CS, Uang CM: Journal of Structural Engineering,ASCE.Vol 128(4)(2002). p. 452 [6] Yousheng Yu, Yan Wan: Engineering Mechanics.
Vol 26(2)(2009), p. 68(in Chinese) [7] Ji Chen, Stability of steel structures theory and design (China Science Press, china. 2008) [8] Englehardt, M.

The material of concrete and concrete mixing proportion The material of concrete Coarse aggregate: pebble stone, size 5~20mm, meet with Grain composition criterion of the aggregate ( GB/T 14685-2001 of China).
ACI Materials Journal,1996,93(6):524-533
Influences of Earthquake on the Fresh Concrete[R] Research Report by Science and Technology Bureau of Chengdu. 2009

Nanjing 210009, People's Republic of China 2 Colloge of Mechanical Engineering, East China University of Science and Technology.
Although the furnace tubes are usually designed for a normal life of 100,000 h, their actual service life varies from 30,000 to 180,000 h, which will be dependent on the service conditions and the quality of materials[1] The reformer tube investigated in this paper has been in service for 12 years ( about 100,000 hours) and reaches the design life.
Vol.10 (2003), p.351 [3] Konosu.S, Koshimizu.T, Iijima.T, Maeda.K: Evaluation of creep-fatigue damage interaction in HK40 alloy, Journal of Mechanical Design, Trans.
Materials Characterization.

Fe-based Sacrificial Anodes for Anti-corrosion of 310S Stainless Steel Xuan Tiana, Dong-yan Dingb School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China atianxuan_jay@126.com, bdyding@sjtu.edu.cn Keywords: Corrosion protection, Stainless steel, Fe-based sacrificial anode, Electrochemical properties Abstract.
The contents of the three kinds of materials are shown in Table 1.
[2] Chao D Y, Xu R G, Sun Y X, et al: Journal of Yantai University. 2013, 26(1): 58-61

Introduction Based on the physical is a science experiment.
“purpose”, will open the corresponding online teaching material.
The online teaching materials are shown by multimedia technologies, such as texts, pictures, diagrams, animation and sound.
Log on to a success, he can get his new password; get the key material operation experiment of experiment and the teacher's instructions.
Navarro, and A. van der Hoek, “An experimental card game for teaching software engineering processes,” Journal of Systems and Software, vol. 75, issues 1-2, pp 3-16, 15 Feb. 2009