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Online since: October 2011
Authors: Ru Wang, Li Nan Xie, Hu Chang
Quotation
Spatial reticulated shell structure is a spatial structure form with broad development prospect due to it reasonable in stress, economic in materials, attractive in appearance, simple in construction and can cover larger space.
Stability Analysis of Schwedler’s Spherical Reticulated Shell[J].Guangdong Building Materials,2007(12): 30-31(in Chinese)
[3] Zuoqiu Liu,Si-wei Liu.Nonlinear buckling analysis and optimum design of schwedler’s spherical reticulated shell[J].Journal of Zhongshan University(Natural Science),2008,47(z2):86-88(in Chinese)
[5] Xiuli Wang,Shengxue Bai.Dynamic elastic-plastic analysis of the single-layer elliptical shell with BRB[J].Journal of Gansu Sciences,2010,22(4):88-91(in Chinese).
Stability Analysis of Schwedler’s Spherical Reticulated Shell[J].Guangdong Building Materials,2007(12): 30-31(in Chinese)
[3] Zuoqiu Liu,Si-wei Liu.Nonlinear buckling analysis and optimum design of schwedler’s spherical reticulated shell[J].Journal of Zhongshan University(Natural Science),2008,47(z2):86-88(in Chinese)
[5] Xiuli Wang,Shengxue Bai.Dynamic elastic-plastic analysis of the single-layer elliptical shell with BRB[J].Journal of Gansu Sciences,2010,22(4):88-91(in Chinese).
Online since: August 2013
Authors: Jun Jie He, Yun Yang, Jun Tao Yang
Introduction
Scaffolds refer to temporary structures widely used on construction sites to support workers and materials during operation and vertical/horizontal transport.
Therefore, in workplaces under the impact of perennial high wind speed (Scale 4 or above), such as working at heights, non-combustible materials are recommended for safety net or dust mesh so as to reduce fire risk.
References [1] Fengzhu Lu, Youming Yu, Biheng Huang:Journal of Bamboo Research,Vol.24(2005),p.45 [2] Fengzhu Lu, Yuebiao Xu, Jun Qian:Journal of Zhejiang Forestry College, Vol.22(2005),p.198 [3] Fengzhu Lu, Fei Chen, Lingfei Ma.
Forest Research, Vol.20(2007),p.726 [4] Weicheng Fan: Fire Risk Assessment Methodology(Science Press, Beijing 2004) [5] Ran Huo:Performance-based Building Fire Safety Analysis and Design(Science Press, Beijing 2001) [6] YinQing Li:Building Performance-based Fire Design(Chemical Industry Press, Beijing 2005)
Therefore, in workplaces under the impact of perennial high wind speed (Scale 4 or above), such as working at heights, non-combustible materials are recommended for safety net or dust mesh so as to reduce fire risk.
References [1] Fengzhu Lu, Youming Yu, Biheng Huang:Journal of Bamboo Research,Vol.24(2005),p.45 [2] Fengzhu Lu, Yuebiao Xu, Jun Qian:Journal of Zhejiang Forestry College, Vol.22(2005),p.198 [3] Fengzhu Lu, Fei Chen, Lingfei Ma.
Forest Research, Vol.20(2007),p.726 [4] Weicheng Fan: Fire Risk Assessment Methodology(Science Press, Beijing 2004) [5] Ran Huo:Performance-based Building Fire Safety Analysis and Design(Science Press, Beijing 2001) [6] YinQing Li:Building Performance-based Fire Design(Chemical Industry Press, Beijing 2005)
Online since: January 2013
Authors: She Gang Shao, Yi Shen, Yan Gang Yang, Xue Fei Li
Materials and methods
Study area This study was conducted in Anji county located in the eastern Zhejiang Province.
The soil phosphorus content was mainly affected by parent material, which was roughly the same in the study area.
Journal of Environmental Sciences, 2007, vol. 19, pp.1086-1092
Journal of Xinjiang Agricultural University, 2010, vol. 33, pp. 15-18
Soil and Fertilizer Sciences in China, 2009, vol. 2, pp. 11-16 [9] Huang S.
The soil phosphorus content was mainly affected by parent material, which was roughly the same in the study area.
Journal of Environmental Sciences, 2007, vol. 19, pp.1086-1092
Journal of Xinjiang Agricultural University, 2010, vol. 33, pp. 15-18
Soil and Fertilizer Sciences in China, 2009, vol. 2, pp. 11-16 [9] Huang S.
Online since: October 2015
Authors: Zulhazmi Sayuti, Mohd Syazwan bin Zainordin, Nor Azizi bin Yusoff, Tuan Norhayati binti Tuan Chik, Muhamad Ali Hanapiah bin Ab Manap, Muhamad Firdaurs bin Abdullah
Materials and Methods
Plot Preparation.
Australian Society of Soil Science Incorported.
Applied Mechanics and Materials Vols. 773-774: International Integrated Engineering Summit 2014.
Electronic Journal of Geotechnical Engineering, (12) (2007) 2007-0777
International Journal of Physical Sciences, 5(5) (2010) pp. 496-506
Australian Society of Soil Science Incorported.
Applied Mechanics and Materials Vols. 773-774: International Integrated Engineering Summit 2014.
Electronic Journal of Geotechnical Engineering, (12) (2007) 2007-0777
International Journal of Physical Sciences, 5(5) (2010) pp. 496-506
Online since: May 2012
Authors: Shu Tang Liu, Qi Liang Long, Long Wang
Calculation Model
Structure Configuration and Material Properties.
Materials are assumed the ideal elastic-plastic material with a yield strength of 235MPa .Permanent load and live load are considered to be uniformly distributed across full span, while design value of them are 0.48kN/m2, 0.42kN/m2.
Sichuan Building Science, 2010,32(2), p.88-91(in Chinese)
Journal of Arid Land Resources and Environment, 2010,24(05), p.129-134(in Chinese)
China Civil Engineering Journal, 1999,(06), p.11-25(in Chinese)
Materials are assumed the ideal elastic-plastic material with a yield strength of 235MPa .Permanent load and live load are considered to be uniformly distributed across full span, while design value of them are 0.48kN/m2, 0.42kN/m2.
Sichuan Building Science, 2010,32(2), p.88-91(in Chinese)
Journal of Arid Land Resources and Environment, 2010,24(05), p.129-134(in Chinese)
China Civil Engineering Journal, 1999,(06), p.11-25(in Chinese)
Online since: June 2013
Authors: Long Bo Mao, Wei Jun Wang, Qiang Dai, Hua Liu
Table.1 Basic structure parameters of the DSPM motor
Parameter
Value
Parameter
Value
Induction potential(V)
100
Rotor outer diameter(mm)
112
Rated power(KW)
0.6
Stack length(mm)
80
Rated speed(rpm)
600
Air gap length(mm)
0.5
Laminate coefficient
0.95
Stator tooth width(mm)
9.14
Permanent magnet material
NdFe35
Rotor tooth width(mm)
11.66
Core material
D23_50
Stator pole depth(mm)
12
Stator inner diameter(mm)
34.12
Rotor pole depth(mm)
12.72
Stator outer diameter(mm)
70
Stator yoke depth(mm)
5.94
Rotor inner diameter(mm)
71
Rotor yoke depth(mm)
7.78
Establishment of the motor model
According to the structure parameters of the DSPM motor as shown in table.1, the two-dimensional plane modeling can be obtained by the module of Ansoft Maxwell 2D.
The result shows the larger stator yoke depth has little influence on the motor performance, but it can decrease the stator inner diameter and increase the material and motor weight.
Thicker permanent magnet is advantageous to increase excitation and improve the output torque, but excessive pole thickness will increase magnetic loss and permanent magnet material.
In: Journal of Zhejiang University (Engineering Science), Vol.45, No.5, 2011, 825-830(in Chinese)
In: Journal of Hangzhou Normal University (Natural Science Edition), Vol.10, No.4, 2011, 359-363(in Chinese)
The result shows the larger stator yoke depth has little influence on the motor performance, but it can decrease the stator inner diameter and increase the material and motor weight.
Thicker permanent magnet is advantageous to increase excitation and improve the output torque, but excessive pole thickness will increase magnetic loss and permanent magnet material.
In: Journal of Zhejiang University (Engineering Science), Vol.45, No.5, 2011, 825-830(in Chinese)
In: Journal of Hangzhou Normal University (Natural Science Edition), Vol.10, No.4, 2011, 359-363(in Chinese)
Online since: October 2015
Authors: Farboud Bejnoud, Volker Schulze, Frederik Zanger
The simultaneous use of several cutting edges at one stroke enables a broaching operation to achieve high material removal rates [1].
Depending on the material, further surface anomalies can occur, such as smearing effects or scoring when machining Titanium [5].
Axinte, An experimental analysis of damped coupled vibrations in broaching, International Journal of Machine Tools & Manufacture 47 (2007) 2182-2188
Unaneu, Process monitoring to assist the workpiece surface quality in machining, International Journal of Machine Tools & Manufacture 44 (2003) 1091-1108
Kido, Digital Fourier Analysis: Fundamentals, Springer Science+Business Media, New York, 2015.
Depending on the material, further surface anomalies can occur, such as smearing effects or scoring when machining Titanium [5].
Axinte, An experimental analysis of damped coupled vibrations in broaching, International Journal of Machine Tools & Manufacture 47 (2007) 2182-2188
Unaneu, Process monitoring to assist the workpiece surface quality in machining, International Journal of Machine Tools & Manufacture 44 (2003) 1091-1108
Kido, Digital Fourier Analysis: Fundamentals, Springer Science+Business Media, New York, 2015.
Online since: October 2008
Authors: Hakan Engqvist, Jonas Åberg, Maria Strømme, Albert Mihranyan, Ulrika Brohede
Targeted Local Delivery of Bisphosphonate From Orthopaedic Implants
Jonas Åberg, Ulrika Brohede, Albert Mihranyan, Maria Strømme, Håkan Engqvist,
Department of Engineering Sciences, Angstrom Laboratory, Uppsala University, Uppsala, Sweden
jonas.aberg@angstrom.uu.se
Keywords: Fast loading, Bisphosphonate, Hydroxylapatite, Coating, Orthopaedic, Pamidronate
Abstract
Two methods of loading bisphosphonate (BP) into hydroxylapatite (HA) coatings on crystalline
TiO2 surfaces were investigated to improve bone ingrowth to implant surfaces.
McLeod, K., et al., Journal of Biomedical Materials Research Part A, 2006. 79A(2): p. 2712. 3.
Peter, B., et al., Journal of Biomedical Materials Research Part A, 2006. 76A(1): p. 133-143. 5.
Strømme, J of Pharmaceutical Sciences, 2002. 91(3): p. 776 9.
McLeod, K., et al., Journal of Biomedical Materials Research Part A, 2006. 79A(2): p. 2712. 3.
Peter, B., et al., Journal of Biomedical Materials Research Part A, 2006. 76A(1): p. 133-143. 5.
Strømme, J of Pharmaceutical Sciences, 2002. 91(3): p. 776 9.
Online since: August 2009
Authors: Yan Li, Bao Hong Tian, Ping Liu, Lin Hua Gao, Xiao Hong Chen
College, Henan University of Science and Technology, Luoyang, 471003, China
2
College of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai
200093, China
a
email:liyan@mail.haust.edu.cn, bemail:cxh992@163.com
Keywords: plastically deformed in-situ composite, deformation behavior, interface relationship,
Cu-15Cr-0.1Zr
Abstract: The behavior of plastic deformation of Cu-15Cr-0.1Zr in-situ composite under different
degree of cold drawing deformation was analyzed by using scanning electron microscopy (SEM) and
transmission electron microscopy (TEM).
Because of these Nb fibers formed during deforming process, this kind of material is generally referred to as an "in situ deformation composites".
In order to maintain the continuity of this material, Cr phase was forced to bend even twist off in the direction of perpendicular deformation, to coordinate the Cu phase evolution along the direction of axial.
Journal of Applied Physics, Vol. 49 (1978), p.6031 [2] Verhoeven J D, Downing H L, Chumbley L S, et al.
Journal of Materials Processing Technology, Vol.113 (2001), p. 610 [5] Raabe D, Ge J.
Because of these Nb fibers formed during deforming process, this kind of material is generally referred to as an "in situ deformation composites".
In order to maintain the continuity of this material, Cr phase was forced to bend even twist off in the direction of perpendicular deformation, to coordinate the Cu phase evolution along the direction of axial.
Journal of Applied Physics, Vol. 49 (1978), p.6031 [2] Verhoeven J D, Downing H L, Chumbley L S, et al.
Journal of Materials Processing Technology, Vol.113 (2001), p. 610 [5] Raabe D, Ge J.
Online since: November 2014
Authors: Ming Wei Chen, Hai Peng Qiu, Jian Jiao, Xiu Qian Li, Yu Wang, Hao Zou
Effect of intermediate heat treatment on mechanical properties of SiCf/SiC composites with BN interphase prepared by ICVI, Journal of the European Ceramic Society 31 (2011) 1145–1153
[3] M.
Preparation of High Performance SiCf/SiC Composites through PIP Process, Key Engineering Materials Vol. 544 (2013) pp 43-47 [4] Naslain R.
Composites Science and Technology, 64(2)2004:155-170
Composites Science and Technology, 61 (2001), 2259-2272
Journal of the American Ceramic Society , 81 ( 6 ) 1998, 1600-1610 .
Preparation of High Performance SiCf/SiC Composites through PIP Process, Key Engineering Materials Vol. 544 (2013) pp 43-47 [4] Naslain R.
Composites Science and Technology, 64(2)2004:155-170
Composites Science and Technology, 61 (2001), 2259-2272
Journal of the American Ceramic Society , 81 ( 6 ) 1998, 1600-1610 .