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Online since: August 2013
Authors: Lian Liu, Nian Hong Zhu
Terrigenous clay minerals are controlled by material compositions in the provenance, reflecting the source and the transport direction of materials.
Disnar: Journal of Paleolimnology Vol. 25(2001), pp.179-192
Médard: Earth Science Reviews Vol. 49(2000), pp.201-221
Li: Chinese Journal of Geology Vol. 41(2006), pp. 143-151.
Zhang: Chinese Journal of Geology Vol.42(2007), pp. 303-318.
Disnar: Journal of Paleolimnology Vol. 25(2001), pp.179-192
Médard: Earth Science Reviews Vol. 49(2000), pp.201-221
Li: Chinese Journal of Geology Vol. 41(2006), pp. 143-151.
Zhang: Chinese Journal of Geology Vol.42(2007), pp. 303-318.
Online since: February 2013
Authors: Zhen Min Ma, Yu Song Hou, Yun Zhi Fang, Yun Yun Luo
Petroleum products are not only the major energy sources for electricity, machinery manufacturing and transportation industry, but also the raw materials which are necessary for the petrochemical, light industry, textile and food industries.
Such materials as benzene, naphthalene, anthracene and its derivatives are carcinogenic, teratogenic and mutagenic potentiality chemical substances that can directly impact human health.
YU,H.LU. submitted to Journal of Mining and Metallurgy (2008) [in Chinese]
[2] Lu HA, MA Zhenmin. submitted to Journal of Non-ferrous Metals (2005) [in Chinese]
[3] Lu HA, MA Zhenmin. submitted to Journal of Coal Geology & Exploration (2005)[in Chinese].
Such materials as benzene, naphthalene, anthracene and its derivatives are carcinogenic, teratogenic and mutagenic potentiality chemical substances that can directly impact human health.
YU,H.LU. submitted to Journal of Mining and Metallurgy (2008) [in Chinese]
[2] Lu HA, MA Zhenmin. submitted to Journal of Non-ferrous Metals (2005) [in Chinese]
[3] Lu HA, MA Zhenmin. submitted to Journal of Coal Geology & Exploration (2005)[in Chinese].
Online since: August 2010
Authors: Ya Dong Gong, Jun Cheng, Yue Ming Liu, Ting Chao Han
The effective particles of joining in cutting becomes more than common cylindrical
grinding, which makes the more number of particles interfere to the removal material of the
workpiece to decrease the distance between the peak and the valley in the unit time.
( ) 0.46aE R K σ= ⋅ (7) The expectation of the chip thickness in Eq.6 is shown as follow. 2 2 2 2 0( ) 2 h h E h h e dhσ π σ σ − +∞ = = ∫ (8) The average chip thickness ha is shown as Eq.9, which is given by the equilibrium between the volume produced by the cutting edges and the removal rate of redundant materials[7]. 1 2 1 2 2 ( )( )w a s e v a h Cr v d = (9) The expectation value of the chip thickness is equal to the average chip thickness given in Eq.9 in theory, which is described as Eq.10
Surface values with α Fig.8 The values of parameters to estimate the surface performance Acknowledgments The authors would like to thank the support of No. 50775032 by National Natural Science Foundation of China.
Butler: International Journal of Machine Tools & Manufacture 45 1321-1328(2005) [4].Xiu Shichao, Cai Guangqi, Gong Yadong, Li Changhe: Chinese Journal of Mechanical Engineering.
Vol.16 2086-2089(2005) [5].Xiu Shichao, Cai Guangqi: Chinese Journal of Mechanical Engineering.
( ) 0.46aE R K σ= ⋅ (7) The expectation of the chip thickness in Eq.6 is shown as follow. 2 2 2 2 0( ) 2 h h E h h e dhσ π σ σ − +∞ = = ∫ (8) The average chip thickness ha is shown as Eq.9, which is given by the equilibrium between the volume produced by the cutting edges and the removal rate of redundant materials[7]. 1 2 1 2 2 ( )( )w a s e v a h Cr v d = (9) The expectation value of the chip thickness is equal to the average chip thickness given in Eq.9 in theory, which is described as Eq.10
Surface values with α Fig.8 The values of parameters to estimate the surface performance Acknowledgments The authors would like to thank the support of No. 50775032 by National Natural Science Foundation of China.
Butler: International Journal of Machine Tools & Manufacture 45 1321-1328(2005) [4].Xiu Shichao, Cai Guangqi, Gong Yadong, Li Changhe: Chinese Journal of Mechanical Engineering.
Vol.16 2086-2089(2005) [5].Xiu Shichao, Cai Guangqi: Chinese Journal of Mechanical Engineering.
Online since: May 2014
Authors: Ji Cheng Liu, Jian Hong Yao, Quan Zhou, Chao Liu
The students can finish the following tasks through the teaching webpage: repeat the content of classroom teaching, timely get in; read supplementary materials associated with classroom teaching, understand knowledge profoundly; continue to broaden their knowledge; do periodical self test training; test learning effect; do the answering, simulation experiment and innovation and development activities.
(GBB1212016); Explore new modes of cultivating innovation ability of undergraduate students who major in applied tracking relying on science and technology competition.
G.Y.Yang, submitted to Journal of Distance Education , 2008,(1):59-62.
Guo, submitted to Journal of Fujian Computer, 2007,(3):199-200.
(In Chinese) [4] J.Y.Wang, submitted to Journal of Xinxiang Teachers College, 2006,(5):64-65.
(GBB1212016); Explore new modes of cultivating innovation ability of undergraduate students who major in applied tracking relying on science and technology competition.
G.Y.Yang, submitted to Journal of Distance Education , 2008,(1):59-62.
Guo, submitted to Journal of Fujian Computer, 2007,(3):199-200.
(In Chinese) [4] J.Y.Wang, submitted to Journal of Xinxiang Teachers College, 2006,(5):64-65.
Online since: June 2012
Authors: Hai Jun Xing
Acknowledgements
This work is Supported by National Natural Science Foundation of China (Granted No. 10972146), Program for Changjiang Scholars and Innovative Research Team in University (No.
International Journal of Nonlinear Sciences and Numerical Simulation 2005;(6)2:139-144
Journal of Intelligent material systems and structures 2006;(10)1: 3-14
International Journal of Nonlinear Sciences and Numerical Simulation 2005;(6)2:139-144
Journal of Intelligent material systems and structures 2006;(10)1: 3-14
Online since: October 2012
Authors: Yuan Peng Liu, Xin Sun, Zhen Hua Wen
Wavelet Transformation Mold Maximum Value Marginal Check
In view of some kind of material quality's rail we carry on the exchange flash welding, and in the heading quantity fixed situation, the factors which affect the weld joint quality are the flash stability and the weld joint temperature field.
Fig. 7 Carrying on each kind of operator to it the marginal check Acknowledgements This work was supported by the National Science Foundation of China(51105344), and partly supported by Foundation for University Key Teacher of Henan Province of China (2011GGJS-137) and the Opening Project of Key Laboratory of Precision Manufacturing technology and engineering Henan Polytechnic University (PMTE201002A).
Li: Journal of Vibration, Measurement & Diagnosis, Vol. 24 (2004) No.1, pp. 121-122
Ge: Journal of He Fei Uni-versity of Technology (Natural Science), Vol. 25 (2002) No. 2, pp.167-172. ( in Chinese)
Fig. 7 Carrying on each kind of operator to it the marginal check Acknowledgements This work was supported by the National Science Foundation of China(51105344), and partly supported by Foundation for University Key Teacher of Henan Province of China (2011GGJS-137) and the Opening Project of Key Laboratory of Precision Manufacturing technology and engineering Henan Polytechnic University (PMTE201002A).
Li: Journal of Vibration, Measurement & Diagnosis, Vol. 24 (2004) No.1, pp. 121-122
Ge: Journal of He Fei Uni-versity of Technology (Natural Science), Vol. 25 (2002) No. 2, pp.167-172. ( in Chinese)
Online since: July 2014
Authors: Wei Zhang
Boundary element - Laplace transform method, basic formula
Set isotropic , homogeneous , linear elastic displacement and stress cracking body R , and flexibility to meet the equations of motion , physical equations and boundary conditions , the entire elastomer displacement at t = 0+ time , speed :
(1)
Laplacian function is defined as:
(2)
After the Laplace transform elasticity equations of motion after the physical equations and boundary conditions are
(3)
(4)
(5)
;
is Physical density of the Laplace transform of elastomer type.C1, C2 for the P-wave, S-wave velocity and
G, is the elastic constant of the material, ρ is the mass density.
References [1] P.K.Banerjee and R.Buttertield:Boundary Element Methods in Engineering science, McGraw –Hill.
New York , 2000 [2] Jiang Fengchun ,Liu Rui Tong,Liu Kui Hall:Dynamic stress intensity factor response theory analysis,Journal of Vibration Engineering(chian)[J],2000,vol4,p60-64 [3] G.C Sih: Mechanics of Fracture ,1991.p268
[4] Xuejun.Zhao, Dynamiccrack starting Research Progress,[J] Building Science , china,2009,7,p85-88 [5] Youlin.Liu, ,Dynamic response of the beam structure With a Crack, [J] Journal of sunyatsen university,china,2012,10,p52-55
References [1] P.K.Banerjee and R.Buttertield:Boundary Element Methods in Engineering science, McGraw –Hill.
New York , 2000 [2] Jiang Fengchun ,Liu Rui Tong,Liu Kui Hall:Dynamic stress intensity factor response theory analysis,Journal of Vibration Engineering(chian)[J],2000,vol4,p60-64 [3] G.C Sih: Mechanics of Fracture ,1991.p268
[4] Xuejun.Zhao, Dynamiccrack starting Research Progress,[J] Building Science , china,2009,7,p85-88 [5] Youlin.Liu, ,Dynamic response of the beam structure With a Crack, [J] Journal of sunyatsen university,china,2012,10,p52-55
Online since: March 2015
Authors: Shi Guo Sun, Yan Fei Dong, Sheng Lei Kan, Shao Jie Feng
The analytical solution of slope stability is hardly obtained, because of the complex factors restriction, such as geological landform, boundary conditions, material stress, strain of nonlinear, water pressure, the coupling analysis of seismic load.
Acknowledgements Supported by Beijing Higher Education Young Elite Teacher Project (YETP1440), China Natural Science Foundation (41172250),“Twelfth Five-year” National Science and Technology Support Project (2012BAK09B06), The innovative team of Beijing.
Journal of Engineering Geology. (2008), p.278.
(In Chinese) [3]Shiguo Sun,Meifeng Cai, Sijing Wang.Chinese Journal of Geotechnical Engineering, (2000),p.139.
Acknowledgements Supported by Beijing Higher Education Young Elite Teacher Project (YETP1440), China Natural Science Foundation (41172250),“Twelfth Five-year” National Science and Technology Support Project (2012BAK09B06), The innovative team of Beijing.
Journal of Engineering Geology. (2008), p.278.
(In Chinese) [3]Shiguo Sun,Meifeng Cai, Sijing Wang.Chinese Journal of Geotechnical Engineering, (2000),p.139.
Online since: July 2013
Authors: Hong Bing Xin, Jian Cheng Gao, Deng Qi Cui, Yue Fei Xin, Long Liu, Tan Wang
Research on a transmission error-testing system of harmonic drive based on LabVIEW
Jiancheng Gao a, Hongbing Xinb, Dengqi Cui c, Long Liu d,
Yuefei Xin e, Tan Wang f
Material and Mechanical Engineering School, Beijing Technology and Business University, Beijing100048, China
agaojch@sina.cn, bxinhb@btbu.edu.cn, ccdq1984@163.com,
dLiul1@126.com, email@xinyuefei.com, fwangtan56@yahoo.com.cn
Keywords: Harmonic drive;Transmission error;Test system.
Acknowledgements This work was financially supported by the Key Project of the Science and Technology Plan Project of Beijing Municipal Education Commission(Grant Number:KZ201210011012).
Xin: Journal of Beijing Institute of Light Industry, 1999, 17(1):30-35
Xin: Journal of Beijing Technology and Business University (Natural Science Edition), 2002, 20(1)49-53
Acknowledgements This work was financially supported by the Key Project of the Science and Technology Plan Project of Beijing Municipal Education Commission(Grant Number:KZ201210011012).
Xin: Journal of Beijing Institute of Light Industry, 1999, 17(1):30-35
Xin: Journal of Beijing Technology and Business University (Natural Science Edition), 2002, 20(1)49-53
Online since: August 2011
Authors: Mahmoud Ibrahim Abbas
Abbas
Physics department, Faculty of Science, Alexandria University, 21511 Alexandria, Egypt
Physics department, Faculty of Science, Beirut Arab University, Beirut, Lebanon
mabbas@physicist.net
Keywords: LaBr3(Ce) scintillation detectors; geometrical efficiency; total efficiency; point and disk sources.
In addition, the attenuation of the photons by the detector housing material is also presented in a simple direct mathematical expression.
Abbas, Journal of Physics D: Applied Physics 39 (2006) 3952
Abbas, Applied Radiation and Isotopes Journal, 65 (2007) 225
In addition, the attenuation of the photons by the detector housing material is also presented in a simple direct mathematical expression.
Abbas, Journal of Physics D: Applied Physics 39 (2006) 3952
Abbas, Applied Radiation and Isotopes Journal, 65 (2007) 225