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Prediction of the Strength Development of Fly Ash Concrete Minghui Liu1, a, Yuanfeng Wang1 1School of Civil Engineering, Beijing Jiaotong University, Beijing, 10044 aEmail: mhliu09@bjtu.edu.cn Key Words：Fly Ash, Concrete, Strength Development, Predicted Model Abstract：The effect of fly ash in improving the mechanical properties of concrete is investigated and the existing concrete strength development models are studied.
Experimental Program Materials In this paper, OSC P.0 42.5 was used.
Foreign and Hydropower Engineering. 1995(3): p. 52-63
[6]Hegegarrd, S.E. and Hansen, T.C., Modified Water/Cement Ratio Law for Compressive Strength of Fly Ash [J],Concrete Materials and Structures, 1992. 25: p. 273-283

Effects of Heat Treatment on Some Physical Properties of Douglas Fir (Pseudotsuga Menziesii) Wood Xianjun Li1,2, a, Zhiyong Cai2,b, Qunying Mou 1,c Yiqiang Wu1,d, Yuan Liu 1,e 1Material Science and Engineering School, Central South University of Forestry and Technology, Changsha, Hunan, 410004, China 2USDA Forest Service, Forest Products Laboratory, Madison, WI53726-2398, USA alxjmu@163.com, bzcai@fs.fed.us, cmqylxj@sina.com, dwuyq0506@126.com, eliuyuan601220@163.com Keywords: Heat treatment, Color, Moisture performance, Dimensional stability, Douglas fir Abstract.
As a result, heat treatment can serve to improve the natural quality and properties of the wood such as dimensional stability and resistance to bio-corrosion and equip the wood material with new properties[3-5].
However, heat treatment generally causes a apparent decrease in wood mechanical properties due to the material loses in cell wall, hemicellulose degradation and the modification of long chain molecules[6-7].
Acknowledgement: This research was supported by a grant from the Science & Technology Key Project of the Ministry of Education of China (No. 209089) and the Excellent Youth Foundation of Hunan Provincial Department of Education (No. 08B090).Hunan Provincial Natural Science Foundation (07JJ6166) References [1] R.Alen, R.
Wood material science and engineering 1-2:14-22.(2009) [5] W.C.

Li2 1School of Life Science Beijing Institute of Technology Beijing, China, 2State Key Laboratory of Biochemical Engineering Institute of Process Engineering, Chinese Academy of Sciences Beijing, China 1zhouxh@bit.edu.cn Keywords:Hemicellulose; cellulose; cellulase; alkaline wheat straw pulp (AWSP); simultaneous saccharification and fermentation (SSF) Abstract.Hemicellulose is generally considered a negative factor for enzymatic cellulose hydrolysis, but it was proved to be a positive one for the enzymatic action of delignified pulp in this study.
Materials and Methods A.Cellulase, yeast and substrates Freeze-dried Trichoderma viride cellulase, with its filter paper activity (FPA): 600 IU/g, β-glucosidase activity: 110 IU/g and hemicellulase activity: 9.6×104 IU/g, respectively, was purchased from Shanghai Lizudongfeng Biotechnology Ltd.
Ethanol yield during normal SSF process and URS-SSF process. -■- Control, -●- URS-SSF process Further Discussion The phenomenon hemicellulose is positive for cellulose SSF found in this experiment may be studied for other cellulosic materials or cellulose bioconversion process.

Effect of atomic structures and clusters on deformation behaviors in the binary Zr50Cu50 amorphous system DANG Yizonga, WANG Lub, FAN Qunboc (School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China) aemail: dangyizong@163.com bemail: wanglu@bit.edu.cn cemail: fanqunbo@bit.edu.cn Keywords: Metallic glass, Zr50Cu50 alloy,compressive deformation, backbone, close-pack clusters, three dimensional network structure.
Here, for the purpose, we have used molecular dynamics (MD) simulation based on the Rosato-Guillope-Legrand (RGL)[11] potential in the NPT (constant number of particles–pressure–temperature) ensemble using the large-scale atomic/molecular massively parallel simulation software Material Explorer.
Because full icosahedral clusters (Voronoi index <0,0,12,0>) is the most stable and dense structure in the glass matrix[18,19], the FI cluster is used as the key indicator of the glass structure in deformation progress.
[13] Bian xiufang, Wang miwei, Li Hui, Ma Jiaji, Engineering & Material (2003), p.114

China University of Mining and Technology (Beijng), School of Chemical and Environmental Engineering, Beijng 100083, China 2.
Materials and method 2.1 Materials Samples Oil polluted seawater sample were obtained from those places such as: (1) Haikou Xiuying port (2) Haikou Fishing Village.
Acknowledgements This work was financially supported by the Midwest universities comprehensive strength promotion project, the Haikou Key Laboratory of Environmental Toxicity（Hainan University) .
The research of in-numerical simulations and performance for air-conditional crossing current fan, Journal of Engineering Thermophysics, 2003, 24(4): 54-56 [2] Weiss.

Deformation and Failure of Pre-notched Thin Metal Plates Subjected to Confined Blast Loading Han Liu, Pengwan Chen, Baoqiao Guo, Shaolong Zhang, Haibo Liu, Erfeng An* State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, China *Corresponding author, Email: pwchen@bit.edu.cn Keywords: 3D digital image correlation, dynamic deformation and failure, thin metal plates, confined blast loading.
The mechanical response of materials or structures during the explosion process is complex.
Some optical methods can conduct full-field deformation measurement under dynamic loading, which is helpful to understand the transient response of materials or structures under blast loading.
Fourney, Damien Bretall., Application of 3D image correlation for full-field transient plate deformation measurements during blast loading, International Journal of Impact Engineering, 36(2009) 862-874, 36(2009) 862-874
Habraken, Quality assessment of speckle patterns for digital image correlation, Optics and Lasers in Engineering, 44 (11) (2006) 1132-1145

Computer Simulation of the Early Stage of Precipitation of L12-Ni3(Al,V) Using Microscopic Phase-Field Method Wei-ping Dong1, a* and Zheng Chen2, b 1College of Engineering, Zhejiang Normal University(ZNU), Jinhua, 321004, China. 2Department of Materials Science and Engineering, State Key Laboratory of Solidification Processing, Northwestern Polytechnical University (NPU), Xi’an, 710072, China.
The phase-field dynamic model has recently emerged as a powerful computational approach to modeling and predicting microstructure evolution in materials [9-11].

A New ISO 14649 Translation Module for Open Architecture CNC Systems Yusri Yusof1, a and Kamran Latif1, b 1Faculty of Mechanical and Manufacturing Engineering Universiti Tun Hussein Onn Malaysia (UTHM) Prit Raja, Batu Pahat, Johor, Malaysia, 86400 ayusri@uthm.edu.my, bengr.kamranqureshi@gmail.com Keywords: STEP-NC, Interpreter, CAD/CAM, Open Architecture Control Abstract.
Output data module plays a key role to pass the data to the machine controller hardware module in a correct way i-e; axis values goes to the respective X,Y and Z axis servo/stepper motors, tool values goes to the tool changer etc.
Journal of Computing and Information Science in Engineering, 2002. 2(2): p. 132-135
Yusof, Interpreter for Open Architecture CNC System: A Conceptual Model Applied Mechanics and Materials, 2014. 465-466: p. 779-783
Applied Mechanics and Materials, 2013. 330: p. 619-623.

This requirement is not met in case of some industrial machines (e.g. in power engineering) while the excitation related to rotating elements significantly worsen the accuracy of modal models estimated by means of the OMA methods as well as the modal filtration effects.
Wydawnictwo Katedry Robotyki i Dynamiki Maszyn AGH, Kraków, 2001 [4] Kurowski P.: Key Engineering Materials Vol. 347 (2007), p. 221 [5] Cauberghe B.: Applied frequency - domain system identification in the field of experimental and operational modal analysis.
[11] Deraemaeker A., Preumont A.: Mechanical Systems and Signal Processing, p.1615 [12] Mendrok K., Uhl T.: Application of modal filter for damage detection, Proceedings of III ECCOMAS Thematic Conference on smart structures and materials, Gdansk, Poland, 2007 [13] Meirovitch L., Baruh H.: Journal of Guidance Control and Dynamics, Vol. 8 (1982), p. 60 [14] Zhang Q., Allemang, R.J., Brown, D.L.: Proceedings of International Modal Analysis Conference, p. 487, 1990

Fast analysis of nitrobenzene by nitroreductase modified electrode Chen-Ming Liu1,2,a, Hong-Bin Cao1,2,b , Yu-Ping Li1,2,c, Yi Zhang1,2,d 1 Research Centre for Process Pollution Control, Institute of Process Engineering, Chinese Academy of Sciences, P.O.
Box 353, Beijing 100190, China 2 National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Beijing 100190, China.
Materials and Reagents.
The key of TPSC is to determine a narrow potential step for objective substance analysis.
Montella, Discussion of the potential step method for the determination of the diffusion coefficients of guest species in host materials: Part I.