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Soft Science, 2012, 12(26): 5-9
Journal of Cleaner Production, 2010, 3(18): 191-199
Journal of Industrial Ecology, 2007, 1(11): 11 - 30
Standard Science, 2013(9): 89-92
Science Economy Society, 2006, 24(105): 29-32.

Generally, the way to adjust the natural frequency of the test system includes changing the mass of block, changing the material of string to hang the block, and so on.
Acknowledgements This work was financially supported by the National Science Foundation of China (Grant No. 50908013) Literature Reference [1] Y.
Journal of human university (natural sciences), vol.34 (2007), p. 10, In Chinese [2] Y.
Journal of North China Institute of Science and Technology, vol.7 (2010), In Chinese

As an important mechanical lifting equipment in modern industrial production, mine hoist [1] bears many tasks, such as transportation of personnel, material and equipment, etc.
Acknowledgements This work was financially supported by Nature Science Foundation of Shanghai (No.12ZR1413100) and Research Foundation for Graduate Student of Shanghai Ocean University.
Journal of Shanxi Datong University: Natural Science Edition, 2012, 282(2) : 63-66
Journal of Hefei University of Technology: Natural Science Edition, 2006, 29(11) : 1370-1374

AMB system usually using eddy current sensors, inductive sensors, capacitive sensors, photoelectric sensors and laser sensors as displacement sensors [2].The AMB sensors generally used eddy current sensor, but the output signal of sensor includes the rotor position signal, and also includes a surface roughness of the rotor, changes in the rotor material.
Acknowledgements This work was financially supported by Natural Science Foundation of China (51105231), Natural Science Foundation of Shandong Province (ZR2011EEQ029), and Independent Innovation Foundation of Shandong University (2010TS034，2011GN067).
References [1] G Schweitzer, H Bleuler, A Traxler, Active Magnetic Bearings, ETH, 1994 [2] Wang Xiping, Chui Weidong: Investigation on Contactless Displacement Sensors for Active Magnetic Bearings, Journal of Shanghai university (natural science), 02/1998, 54-60
[3] Yang Chaoying, Xu Longxiang: Study on differential transformer displacement sensors for activemagnetic bearings, Journal of Transducer Technology, 09/2005, 8-9, 12, in press

The vibration-based pipeline leak detection system uses the measured pipeline’s surface vibration signals, and pipe material, pressure, flow, and temperature which are related to the vibration signals as model variables.
Research of Time Delay Estimation Based on GCC Algorithm[J], Computer Science, 2011, 10(38): 454-456(in Chinese) [2] Zong Zhi-qiang.
Harbin: Harbin University of Science and Technology, 2009(in Chinese) [3] MORDECHAI AZARIA, DAVID HERTZ.
Journal of China University of Petroleum, 2007, 5(31): 87 - 90(in Chinese) [6] Tan Xing-qiang.
Leak Detection in Pipelines using the Damping of Fluid Transients[J] Journal of Hydraulic Engineering.

Mechanical subsystem is composed of convey belt, material-separating mechanism and pneumatic circuit.
Acknowledgements This work was financially supported by National Natural Science Foundation of China (51165011), Jiangxi Science and Technology Youth Science Foundation (20122BAB216008) References [1] Zhongfei Wang, Maosong Lin, Yong Peng, Xiaolong Zhu, Fawen Yan.
Journal of Computer-Aided Design & Computer Graphics Vol.26(2014).p.806
Chinese Journal of Scientific Instrument,Vol.34(2013).p.2184

Numerical Simulation of the Two-Phase Flow in a New type Cyclone Ningning Xing1a, Weilin Zhaob School of Material Science and Engineering, University of Jinan, Jinan, Shandong, 250022, China aningning8997@163.com, bmse_zhaowl@ujn.edu.cn Keywords: Cyclone Preheater; Numerical Simulation; k-ε Model; Discrete Random Walk Model; FLUENT Software.
References [1] Ping Wei and Xiaofeng Wang: Cement Technology Vol. 51 (2006), p. 51 (In Chinese) [2] Congxi Tao, Lin Zhao and Weimin Yu: JOURNAL OF THE CHINESE CERAMIC SOCIETY Vol. 37 (2009), p. 2124 (In Chinese) [3] H.
(Natural Science Edition) Vol. 39 (2007), p. 105 (In Chinese) [6] Xinli Wei, Haihong Zhang, Dingbiao Wang and Xiangrui Meng: Journal of Zhengzhou University (Engineering Science) Vol. 25 (2004), p.14 (In Chinese)

For producing high quality surface of the silicon wafer, it is important to understand the material removal mechanism on the nanoscale machining.
Acknowledgements The research was supported by the National Natural Science Foundation of China (NSFC, No.U0734008), the Guangdong Natural Science Fund Committee (No. 8151009001000048, and No. 10151009001000036) and the Corporation Network of Guangzhou Science Instrument (GZSIN).
Zhang: International Journal of Solids and Structures Vol.41 (2004), p.5411 [7] C.
Hu: Chinese Journal of Light Scattfering Vol.10 (1998), p.141

Dynamic Modeling and Vibration Analysis of the Drum Washing Machine Based on Four-terminal Parameter Method Jun-fei Wu 1,2,3, a, Hui Li 2,3, b, Xue-zheng Yang 2,3, cand Xu-ping Zhang2,3, d 1Sino-German Technology Faculty,Qingdao University of Science and Technology, Qingdao 266061, China. 2College of Electromechanical Engineering,Qingdao University of Science and Technology, Qingdao 266061, China. 3Shandong Provincial Key Laboratory of Polymer Material Advanced Manufacturing Technology ajfw_2002@sina.com.cn, bqddh2010@sina.com, c627599428@qq.com.cn, d122652742@qq.com.cn Keywords: Drum washing machine; Four-terminal parameter method; Dynamic modeling; Vibration analysis.
References [1] Wu Chengjun, Engineering vibration and control,Xi’an Jiaotong University Press, Xi’an 2008.3 [2] Wei Yudong, Yueli Xi, Gao Jian, Yang Zhiyong,Drum washing machine modeling and dynamic balancer design,J.Journal of Tianjin University, 10 (2008) 1125-1232 [3] Fu Sufang, Zhang Qiuju, Anne Wei, Chen Haiwei, Drum washing machine suspension system dynamics modeling and analysis,J.
Design and research of modular machine tool and automatic processing technology, 10 (2008) 4-7 [5] Sang-Gil Park, Ho-San Kim, Hyoun-Jin Simand Jae-Eung Oh,Multi-dimensional spectral analysis of the noise contribution from adrum washer with a dehydrating condition,J.Journal of Mechanical Science and Technology, 22 (2008) 287-292

Experimental Materials.
Petroleum coke manufactured by Coking Plant of Baogang is coarse granular materials.
“Synthesis of carbon foam with high compressive strength from an asphaltene pitch,” New Carbon Materials, 2013, 28(2): 127-132
“Preparation and applications of carbon foam material,” Journal of Materials Science & Engineering (China), 2004, 22(4): 613-616
“Bubble Growth in the Preparation of mesophase-pitch-based Carbon Foams,” New Carbon Materials, 2009, 24(1): 61-66