Search results

Numerical Simulation of Flotation Circuit for Kakoxene Ore Processing Zhang Yuejun1, a, Tan Ming1, b, Wu Tao1, c, Feng Tianran1, d 1State Key Laboratory of Mineral Processing Science and Technology, Beijing General Research Institute of Mining and Metallurgy, Beijing 100160, China azhang_yj@bgrimm.com,btanming@bgrimm.com,cwutao@bgrimm.com,dfengtianran@bgrimm.com Keywords: flotation rate constant, floatability component, flotation recovery model Abstract: A group of data from a batch flotation tests were plug into a batch flotation model, and mineral floatability parameters (flotation rate constant, mass fraction of floatability component) were derived from model calculation.
Laboratory Batch Flotation Test and Material Sample.
Assigning physical significance to floatability components, International Journal of MineralProcessing, 2010, 59-67

Fig. 1 Schematic of toppling behavior due to seepage flow Modeling of ground water seepage Table 1 Material constants K E υ 0.036(m/h) 1000(kN/m2) 0.3 The fundamental differential equation for the seepage flow of the groundwater can be written as below [4]
References [1] Miau-Bin Su, Cheng-Lung Su, Chi-Jeh Chang, Yuh-Jyh Chen: A numerical model of ground deformation induced by single well pumping, Computers and Geotechnics 23, (1998), p. 39 [2] ZHOU Hui, XIONG Ju-hua: QI Hong-xiang: Influence analysis underground water to foundation background, Jiangxi Hydraulic Science and Technology, (2001), p. 54 (In Chinese) [3] Wu Lingao, Yao Ying: The Characteristics of the Groundwater Seepage around Barrier-wall and its Numerical Modeling, Shanghai Geology 55, (1995), p. 8 (In Chinese) [4] Makoto NISHIGAKI: Simulation of groundwater flow and solute transport, Gihodo press, (2010) p.31 (In Japanese) [5] G.Gudehus: Finite elements in geomechanics, John wiley & sons, (1977) p .478
[6] Li Guangxin: Advanced Soil Mechanics, Tsinghua University press, (2009), p. 220, (In Chinese) [7] FU Jun-feng, JIN Sheng: A study on unsteady seepage flow through dam, Journal of Hydrodynamics, (2009), p.499

Because it not only requires time consuming, but also spends a lot of manpower and material resources.
Acknowledgment The National Natural Science Founds(51009041) and National Key Laboratory of sonar Fund(KF1001) and Central College Fund special funding this research References [1] Liu Qingyu, Li Lei, CAI Huizhi.
Journal of System Simulation, 2003, 15 (3):426-428

Human’s job is no longer operating machine tools and equipments but making arrangements and adjustments for the equipments combination, production process and material flow according to the production situation.
Shi: Electronic journals , 2004,(S1)
Ye: Bulletin of Chinese Academy of Sciences ,(2010)No.1

In summary, high fluoride environment is a complete system to reflect the formation mechanism of the process[4], including material sources, formation conditions and characteristics，and so on.
Acknowledgement This research was financially Supported by Research Fund for the Doctoral Program of Higher Education of China(20110131120035), supported by Independent Innovation Foundation of Shandong University, IIFSDU (2012TS059), supported by Natural Science Foundation of Shandong Province (ZR2012EEQ007).
“Characteristics ofgeological environment of endemic in drinking water and control countermeasure in China” .Chinese Journal of Endemiology, 25(2),220-221(in Chinese with English abstract)

Introduction With cement, sand and fly ash, coal gangue, slag and other industrial or construction waste as the main material through stirring, vibration to suppress the non-clay brick, building blocks and so on, the block forming machine in China has been gradually promoted and applied in recent decades [1,2].
Acknowledgements The authors gratefully acknowledge the support of the National Natural Science Foundation of China, No. 50975098, and the support of major scientific and technological project of Fujian Province, No. 2008HZ0002-1 in carrying out this research work.
LabVIEW, in: Journal of Clinical Monitoring, vol.11, p. 51-58, NO1 January 1995 [6] YiJian Huang, XiaoMei Liu, BingSan Cheng: Proceedings of the 2006 IEEE/RSJ, International Conference on Intelligent Robots and Systems, October 9-15, 2006, p. 5878-5882, in Chinese [7] MATI WAX: IEEE Transactions on Acoustics Speech and Signal Processing, vol36, NO4, April, 1988, p. 581-588 [8] Hinich Melvin J: Circuits Systems and Signal Processingn, vol34, (1994), p. 391-420

The inlet boundary condition: inlet pressure of jet MPa, the volume fraction of water is 1; the exit boundary condition: the exit pressure of jet Pa; wall condition: no-slip wall condition; material property setting: water density is 1000 kg/m3 and viscosity is 8e-04 kg/(m3·s).
Acknowledgment The study work was supported by National Natural Science Foundation of China under grant number 61072005 and the Program for Changjiang Scholars and Innovative Research Team in University (IRT0952).
Flow field simulation and experiment of pre-mixed abrasive water jets outside the nozzle[J], Journal of China Coal Society, (2009), p. 410-414

Establish the BOM logic connection of the two stages is the foundation for realizing the BOM management based on SSPD. 1EBOM EBOM is used by the product design department to describe the structure of product, including: product name, product structure, part version and validity, material attributes, etc.
Journal of Tsinghua University (Science and Technology), June, 2002, Vol. 42, pp.802-805

The spindle speed of bench drill is 1500r/min, the feed pulse equivalent is 0.0025mm/p, the diameter of drill is 0.5mm, the material of workpiece is the stainless steel of 1.5mm thick..
Journal of Jilin University (technique),30(2),(2002)
Science Press, (2001)

Fig 2 Calculation model In numerical simulation calculations,shown the foundation as elastic foundation, using winkler foundation model，ground reaction modulus k is （4） k—Ground reaction modulus, KN/m3 l—The top surface subsidence of ground, m p—specific pressure value of ground, MPa Using ANSYS10.0 to calculate, Material parameters used in the calculation, Modulus elasticity of concrete is 32.5GPa,poisson ratio is 0.2,density is 2700kg/m3,Modulus elasticity of ground is 28.47MPa.
Mining Science and Technology (China), 2009, 19(3):p312.
Journal of China University of Mining and Technology,2007, 17(3): p316.