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Influence of alloying on the uniformity of strength and structure of gray iron Lili Xiao1, Fengzhang Ren1,a, Mengqi Liu2, Yufei Wang1, Nawen Zhang3 and Rui Wu3 1.School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, Henan, China 2 Wuhan Iron and Steel Group Echeng Iron and Steel Co., LTD.
The higher cutting force, the more difficult the material to be cut.
Study on the cutting character and the materials for cylinder block (master thesis).
A study on improving material property stability of cylinder body.
Journal of Jangsu University of Science and Technology (in Chin.), 2001, 22: 62

Prepared green leather chemicals using natural macromolecular as main raw materials is one of important methods.
Experiments Materials.
Graduate innovation fund of Shaanxi University of Science & Technology.
Journal of Northwest Institute of Light Industry.
Polymer Materials Science and Engineering.

It is important to create materials, which allow tuning the electron band structure on demand, a process called band-structure engineering.
Korbutyak, in XI International Conference on Nanostructured Materials NANO2012, 26-31 Aug. 2012, Rhodes, Greece, Rhodes, Greece, 26-31 Aug. 2012
Chen, Polycrystalline Graphene and Other Two-Dimensional Materials, Nat Nano 9 (2014) 755-767
[18] Quantum Espresso, Integrated Open-Source computer codes for electronic-structure calculations and materials modeling at the nanoscale.
Yip (Ed.), Handbook of materials modeling,  Springer, Dordrecht, 2005, pp. 196-214 [20] R.

Micro grinding is a promising process to produce small scale structures in hard and brittle materials.
MPGTs utilize coated superabrasive grits for micro machining hard and hardened materials.
MPGTs find applications in medicinal devices, fluidic reactors or molding applications; to machine structures in wear and chemical resistant materials [2].
Also, different substrate materials like high speed steel will be investigated.
[17] DIN EN ISO 6507, Metallic materials – Vickers hardness test – Part 1: Test method, Beuth Verlag GmbH (2005)

Optimizing Results and Conclusion The thesis takes self-balacing torsion bar of 150 ton converter as optimizing target, the material of the torsion bar is high-quality alloy spring steel,which was handled by hardening, shot peening and pre-twist, ,， .
“Ant Colony Optimization Algorithm and Application in Mechanical Optimal Design,”Journal of Hunan University of Arts and Science (Natural Science Edition),vol.11,Sep.2005,pp:50-52
“Optimum design of auto torsion bar spring and torsion barsuspension,”Journal of East China Jiaotong University,vol.17,Sep.2000,pp:58-62.

Liaoning University of science and technology， Anshan, Liaoning,114051, China 2.
Conclusions The bigger the finish-rolling reduction the stronger the Fine-Grain Strengthening, as well as the material strength.
Liu: Journal of Northeast University (Natural Science).
Zhou: Journal of Plasticity Engineering.

Software Development for Telehealth at Blood Donation Centers Drielle Caroline de OLIVEIRAa, Paulo Henrique Aparecido RODRIGUESb, Rafael Palma SOARESc, Flavio Cezar AMATEd* Federal Institute of Education, Science and Technology of São Paulo (IFSP), SP, Brazil adrielle_karoline@hotmail.com, bphaprodrigues@gmail.com, crafotasps@gmail.com, damate@ifsp.edu.br Keywords: Teleducation, Blood donation, Blood stock levels, Blood centers, Computer system.
All material used is within a strict quality standard developed by the Ministry of Health and international organizations, taking into account the health of the donor and recipient [4].
, Journal of the European Economic Association, 2008, 6(4), 845-863
Asian journal of transfusion science, 2011, 5.1: 49.

Figure 1 Bernoulli-Euler Beam node Figure 2 Cantilever beam first rank characteristic frequency and vibration mode The material of the beam is steel, the modulus of elasticity is , the density is ,the length is ,and the width and height of the cross section is ,.
Struct.1997, 19(9):718~723 [2] Zou Y, Tong L and Steven G P:Journal of Sound and vibration, 2000, 230(2): 357~378 [3] Stefano A D, Sabia D:Earthquake Engineering and Structural Dynamics, 1999(28): 807~821 [4] Chen S S, Kim S: Smart Sensing, Processing, and Instrumentation, J.
Sirkis(ed.), SPIE, 1994, 2191: 176~186 [5] Ray L R, Tian L:Journal of Sound and Vibration, 1999, 227(5): 987-1002 [6] Ma Hongwei, Yang Jiatong:Mechanics progress,1999,29(4):513~527 [7] Yang Zhenyu:[master's degree paper], Wuhan, Huazhong University of science, 2005 [8] Wang Gang:[master's degree paper], Wuhan, Hua zhong University of Science and Technology, 2005 [9] Jial liangxian, cheng huaihai: Aeronautics and Astronautics of the eighth Conference of Postgraduate academic, 2006.

Research on Risk Management of City Underground Space Based on Emergency Zhi Gang Zheng1,a, Zhuo Chen2,b 1School of Public Administration, Huazhong University of Science and Technology, Wuhan 430074, China 2School of Economics and Management, Wuhan Polytechnic University, Wuhan 430023, China azhengzhigang64@163.com, bchenzhuo920@163.com Keywords: city underground space, risk management, emergency, vulnerability, early warning Abstract.
In the development of underground space, rock or soil must be removed and the original underground material environment is changed.
Body of bearing disaster Analysis of vulnerability of city underground space Early warning management Early warning management of underground space emergency Emergency Analysis on disaster-causing mechanism of city underground space emergency Dynamic harmony of city underground space development Fig.6 Risk management system of city underground space based on emergency Optimization Strong interference Vulnerability Control Feed back Feed back Acknowledgements This work is financially supported by the Hubei Provincial Social Science Foundation (2011LJ009).
Journal of Natural Disasters, 1996(4): 8-19.
International Journal of General System, 1998b(6): 385-393.

According to some international contractor's engineering experience, cutting-tools consumption is predicted to account for about 14% of the TBM operation cost and account for about 18% of the cost of material [6].
Volume 36 of Coal Science and Technology.
Volume 19 of Journal of basic science and engineering, (2011), Chnia, p.591-599 [4] Liping Liu, Bin Xi.
Volume 13 of Journal of Engineering Geology(2005), Chnia