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(1) Similar material simulation showed clear caving, rupture, periodic separation terrane and bending of roof in mining process, especially visible separation terrane space at interface between conglomerate rock layer and red layer[8].
Journal of Chinese Earthquake.1988,4(2):123-124.
Journal of Chinese Mining, 2005, 14(10):66-68.
Research on Prevention and Control Measure and Mining Hazard of Huge Thick Cover Rock, Journal of the Chinese Journal of Geological and Hazard Control, 1994, 5(2):37-42. ( in Chinese) [4] Guo Weijia, Shen Guanghan, Yan Qianggang.
Rock Burst Forecasting, Journal of Coal Mining Technology, 1998, 29(1):24-26.

On the other hand, due to the enormous mechanical load and durability requirements of such micro parts and micro structures on rolls, the machined materials have to possess high strength and hardness.
Moreover, the performance of the EDM process is independent on part material strength or hardness.
Block electrode material is copper graphite POCO EDM-C3, this electrode material is a high quality graphite infiltrated with copper.
Only the process parameter pulse off-time has a significant effect on the material removal rate.
Jerzembeck, Micro-machining of cylindrical parts by electrical discharge grinding, Journal of Materials Processing Technology 160 (2005) 15–23.

Introduction Centrifugal pump is a widely used general hydraulic machinery, whose application is rapidly expanded along with the rapid development of modern science and technology, its working environment is becoming more and more complicated.The modern engineering technology is requiring more and more higher about the pump's performance , and the centrifugal pump's blade shape greatly affected the pump's hydraulic performance, the blade profile directly determined the actual shape of the blade.The blade profile decided the centrifugal pump's hydraulic performance by changing the blade surface's hydrodynamic load .At present, the widely adopted domestic method of drawing the blade profile is choosing the conformal mapping method to draw the blade profile. when drawing the blade profile by using the grid square, experience accounting for a large proportion, which is difficult to control the expansion of the blade profile overally.The way to change the import side position and the Angle
(13) The type, [τ] is the allowable shear stress of the pump shaft's material, the common quality carbon steel's value range is (343 ~ 441) N/m2 and the alloy steel's value range is (441 ~ 588) N/m2.
Acknowledgements The accomplishment of this paper is supported by the Science and Technology Research Project of Anhui Province( NO.12010402105),Natural Science Foundation for Youths of Anhui Province (NO.1208085QE94),Universities Natural Science Research Project of Anhui Province (NO.KJ2012B008).
References [1] YangJunHu, JiangYunGuo, zhangRenHui, YuanYaFei, MaWenYing; The New Method to Determine the Centrifugal Pump's Bade Angle[J]; Journal for the LanZhou University of Technology; No.10.2010 [2] YangHua,LiuChao,TangFangPing,GuChuanGang;Experiment and Numerical Simulation of Centrifugal Pump with Different Wrap Angle[J];Journal of Mechanical Engineering; No.10.2007 [3] CaoWeiDong,LiYue,ZhangXiaoDi;Study on performance of low specific speed sewage pump with different vane wrap angles[J];Mechanical Facilities of Irrigation and Drainage;No.06.2009 [4] Cai H H,Wang G J.A New Method in Highway Route Design: Joining Circular Arcs by a Single C-Bezier Curve with Shape Parameter[J].Zhejiang Univ SciA.2009,10( 4) : 562 ~569

Journal of Shanghai Jiaotong University.35, 10 (2001)
Journal of Shanghai Jiaotong University. 5, 1 (2000)
Science. 43 (2008)
Huazhong University of Science and Technology Press, Wuhan (2002)
Beijing: Science Press, Beijing (2007).

Li School of Mechanical Science and Engineering, Huazhong University of Science and Technology Wuhan, Hubei, 430074, China Keywords: Non-Diffracting Beam, Datum Line, Straightness Error Curve for Amendment, Roundness Error, High Precision Coaxiality Measurement, Measurement Uncertainty Abstract.
Straightness error is 0.015/800 and the coaxiality error is 0.025 at the maximum material condition.
Acknowledgements The project is sponsored by the National Natural Science Foundation of China (No. 59675080 and No. 59805006) and the Wuhan Chenguang Fund for Young Scientist of China (No. 20025001001).
Yeo: International Journal of Machine Tool & Manufacture, Vol. 37 (1997), p. 135
Li: Journal of Huazhong University of Science and Technology, Vol. 25 (1997), p. 1

Zinc powder and oxygen were used as the starting materials, while argon gas was supplied as the carrier gas.
Introduction Nanostructures zinc oxide (ZnO) have been widely studied due to its unique properties of the nano sized scale material.
ZnO, a II-VI semiconductor compound with a wide band gap of 3.37 eV and high exciton binding energy of 60 meV which is higher than GaN, making it a very suitable material to be used in optoelectronic devices such as lasers [1], light emitting diodes [2] and solar cells [3].
The green peak is a common defect peak in ZnO materials which is attributed to the recombination of electrons with holes trapped in singly ionized oxygen vacancies [19].
Rusop: submitted to Journal of Nanomaterials (2012)

REEs of rocks were analyzed by ICP-MS (PE Elan 6000) at the Key Laboratory of Isotope Geochronology and Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences.
The Y/Ho ratio of averaged sandstone is 35 in our study, imply that the sandstones are not “pure” but assimilated by some carbonate materials.
Acknowledgements This work was financially supported by the National Nature Science Foundation of China (40873015) and the Eleventh Five-year Scientific and Technological Project of Anhui Province, China (08010302062).
Yin, Journal of China Coal Society. 33(2008):1107-1111.
Lyons, Earth Planet Science Letters. 139(1996) 305-319

Materials and Methods Sampling and Conventional Characterization.
Acknowledgements This project was supported by grant from the National Natural Science Foundation of China (NSFC, No. 20876175).
Knapp: Journal of Industrial Microbiology & Biotechnology, Vol.28 (2000), p. 8
Masson: Encyclopedia of Polymer Science and Technology, John Wiley & Sons, Inc, (2002)
[6] China Minstry of Environmental Protection: Monitoring and analysis methods of water and wastewater (4th edition), Environmental Science Press (2002), in Chinese

Study on the Influence of Green Design Idea to Modern Mechanical Product Design Xiaoxu Liu 1,a Min Chen 1，b 1School of Mechanical Engineering, Sichuan University of Science and Engineering， Zigong 643000, China axiaoxu_liu@163.com , bmin_chen99@163.com, Keywords: Green design, Mechanical product, Design idea Abstract.
(3) "Reliability design" In this three core technologies of modern mechanical design science, the influence to mechanical product design embodied in the progress of design idea firstly, and second is the progress of specific methods.
When a mechanical product is designed, all the aspects about product should be taken into consideration, such as the product principle, performance, material selection, manufacture, using, reasonable product life and scrap recycle.
In today's society, science and technology develops very quickly, new products emerge in endlessly, the effective life cycle of products are shortened significantly, many products are scrapped not because it can not be used, but the poor performance or just look old.
Study on Judgment System for Green Degree of Mechanical Products [J] Journal of Sichuan Industry and Chemical Technology 2004.01：p.51-54. in Chinese

Materials and Methods 1.1 Preparation of crude oil water accommodated fractions Crude oil used in the present study was provided by the Organization of North China Sea monitoring center.
Funded by Public Science and Technology Research Funds Projects of Ocean (201005016, 201305030) and Special Project on Coastal Ecological Monitoring and Control Zones of SOA References [1] DeLaune R D, Wright A L.
Soil Science Society of America Journal, 2011, 75(5): 1602-1612
Science, 2003, 302(5653): 2082-2086
Proceedings of the National Academy of Sciences, 2014, 111(15): E1510-E1518.