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Material and Methodology The needed basic map is 1:10 000 topographic maps, all the geological data, hydrogeological data, springs data and karst groundwater data are from the Project of Beijing Karst Groundwater Resource Exploration and Evaluation (dkjdzky 2010001).
South-to-North Water Transfers and Water Science & Technology, 2011,09(5):103-106.
Earth Science Frontiers, 2005, 12(z1): 3-12.
Hydrogeology Journal, 2002, 10:340-345
Hydrogeology Journal, 2003(13): 555-564.

The Emissivity of the Casting Surface Liang Chen1 2, a, Shaolin Xu3, b, Guohua Zhang3, c, Zhongwu Xia3, d 1School of Information Science & Engineering, Shenyang Ligong University Shenyang, China 2 School of Information Science & Engineering, Northeastern University, Shenyang, China 3Shenyang Artillery Academy of PLA, Shenyang, China akongkuchen@126.com, bzhao_y_cn@163.com, czhao_y_cn@tom.com, dzhao.y.w@hotmail.com Keywords: surface of casting, emissivity, polarized Abstract.
Fig.1 Map of continuous casting layer radiation abstract model (6) In which, , , . 3 Simulation Result and Analysis Deteminated the refractive index of each medium according to the literature material as follows: , temperature measurement instrument adopt visible light temperature measurements, length of central wave . 1）Result of angle simulation Result of angle simulation computed according to the actual cast situation, takes thickness of the water film level as: , thickness of oxide layer as: Angle(º ) emissivity Fig.2 The emissivity change with different angle polarizes Showed in Figure.2, the p polarization direction's emissivity increases along with the angle increases, and presented the maximum value in the close 75° position, the s polarization direction's emissivity reduces along with the angle increases, the scene temperature measurement instrument make use of this conclusion to reduce the system error which the emissivity brought. 2) Influence
Journal of northeastern university.2005, 26(12):1142-1146
Journal of northeastern university, 2007, 28(12):1142-1146

Optical Structure and Principles of Automatic Measurement of Small Angle Shown in Figure. 1, the main body of the instrument is a closed rectangular box, with hard aluminum as the material, which has the functions of shading, support and protection [4].
Li: Laser Surveying Course (Beijing Science Press, China 1998) , in Chinese
Wang: Journal of Southeast University, Vol.29, No.2, (1999) p. 145, in Chinese
Zhang: Machine Vision (Beijing: Science Press, China 2005). , in Chinese
Wu: Journal of Northeastern University. 2008 supplement 1, p. 32, in Chinese

Acknowledgements This material is based upon work supported by the Important National Science & Technology Specific Projects under Grant No. 2011ZX03005-004-01.
Journal of Northeast Forestry University. 2011-08
Journal of Nanjing University of Posts and Telecommunications (Natural Science). 2010-04

Materials and methods 2.1.
Bjune, Progress in serodiagnosis of Mycobacterium tuberculosis infection, Scandinavian Journal of Immunology. 66 (2007) 176-191
Cunningham, Facing the Crisis: Improving the Diagnosis of Tuberculosis in the HIV Era, The Journal of Infectious Diseases. 196 (2007) S15–27
Díaz (Eds.), Microscopy: Science, Technology, Applications and Education, Badajoz: Formatex Research Center, 2010, 1, pp. 614-621
Freitas, Challenges and trends in the development of a magnetoresistive biochip portable platform, Journal of Magnetism and Magnetic Materials. 322 (9–12) (2010) 1655–1663

Nowadays, we could recover gold from various ores or industrial waste, for example waste electrical and electronic equipment (WEEE, also called e-waste) containing highly valuable materials [1,2].
Zhang, Metallurgical recovery of metals from electronic waste: A review, Journal of hazardous materials. 158 (2) (2008) 228-256
Current status on leaching precious metals from waste printed circuit boards, Procedia Environmental Sciences. 16 (2012) 560-568
, Journal of Cleaner production. 14 (12) (2006) 1158-1167
The acid-catalyzed reaction, Journal of the American Chemical Society. 83 (2) (1961) 286-289

Research of Dynamic Temperature Field of Spur Gear Based on ANSYS CholNam Ri1,2,a, HuiQun Yuan2,3,b 1 Department of Resource Develop Mechanical Engineering, Pyongyang University of Mechanical Engineering,Pyongyang, D.P.R.Korea 2School of Mechanical Engineering and Automatization, Northeastern University, Shenyang, China 3College of Science,Northeastern University, Shenyang, China azhangliang545238@163.com, byuan_hq@163.com Keywords: Spur gear,Friction heat,Flash temperature,FEM Abstract.
If two gears are the same material, then the friction heat input of two gears are the same, that is: (8) Finte element mathematical model The solution which has to satisfy the definite conditions Eq.2-Eq.6 of the partial differential equation Eq.1, makes functional Eq.9 obtain the minimum
Tan:Journal of Huazhong University of Science and Technology,Vol. 26(1998) No.3, pp. 41-43.
Jiao: Chinese Journal of Mechanical Engineering, Vol.34(1998) No.3,pp.7-12.

Accelerated corrosion testing The testing material is an advanced aluminum alloy sheet with alclad, the configuration and dimension of the coupons are shown in Fig.1.
Quantitative analysis and study on microstructure of Al-Zn-Mg-Cu high strength aluminum alloy[J], JOURNAL OF TIANJIN INSTITUTE OF TECHNOLOGY, 2004,20(2):46-51 (in Chinese)
Influence of exfoliation corrosion on the fatigue of aluminium aAlloy[J], Journal of Nanjing University of Aeronautics & Astronautic, 1998,30(3)306-310 (in Chinese)
Effect of corrosion severity on fatigue evolution in Al–Zn–Mg–Cu [J], Corrosion Science, 2009
Morphological study on corrosion damage of aluminum alloy [J], Corrosion Science and Protection technology, 2007,19(4):272-274 (in Chinese)

Any group of the fracture initial opening width is 1.76mm, any group of micro-fracture growth length of the rock density is 265000kg/m3, elastic modulus is 28000MPa, rock Poisson's ratio is 0.22, the rock material parameter is m=3, K=16300.
Acknowledgements This work was financially supported by The National Natural Science Foundation of China (51104032), Science and technology research of Heilongjiang Province (12521057), Youth Foundation of Heilongjiang Province (QC2010096), and Innovation Fund of China National Petroleum (Corporation2011D-5006-0212).
Characteristics of bifurcation chaos and self-organization of evolution of micro-fracture in rock[J].Chinese journal of rock mechanics and engineering,2002,5, vol.21:635~639
Study on chaos of discontinuities distribution in rock mass[J].Journal of railway engineering society.2007,7, vol. 7:61-66.

3D Numerical Simulation of Inner Flow in A Mixed-flow Stirred Reactor Hui Li1, a, Rui-li Wang1,b 1Huang He Science and Technology College, Zhengzhou, Henan, 450063, China a549138183@qq.com, b63876193@qq.com Keywords: mixed-flow, stirred reactor, fluent, simulation Abstract.
The flow direction of the axial flow is parallel to the shaft and the fluid material is driven by the paddles so that the fluid is downward mobility.
Sauze, “PIV Measurements of Flow in an Aerated Tank Stirred by a Down- and an Up-Pumping Axial Flow Impeller,” Experimental Thermal and Fluid Science, Vol. 28, pp. 447-456, 2004
Gao, “Numerical Simulation of Mixing Process in a Stirred Tank with Hydrofoil Impeller,” Journal of Chemical Engineering of Chinese Universities, Vol. 19, No. 2, pp. 169-174, 2005
Pan, “Numerical Investigation of Flow Fields in Stirred Vessels with Novel Combined Inner and Outer Agitator,” Journal of Chemical Industry and Engineering, Vol. 57, No. 1, pp. 13-20, 2006.