Sort by:
Publication Type:
Open access:
Publication Date:
Periodicals:
Search results
Online since: February 2014
Authors: Hua Liang, Xun Ming Li
At the same time, the well liquid supply and dynamic liquid level materials should be taken into consideration to determine whether the requirements for pumping and flowing are satisfied.
Journal of Petroleum Science and Engineering, 2007, 43-48 [4] De Lima, Guedes, Sliva.
Journal of Petroleum Science and Engineering, 2007, 43-48 [4] De Lima, Guedes, Sliva.
Online since: June 2015
Authors: Yong Li, Yan Xu Wang
Tab.1 Similarity coefficients of the bridge model
Type
Physical quantity
Dimension
Similarity coefficient
Geometry
Linear displacement l
[L]
SL=1/16
Angular displacementδ
[L]
Sδ =1/16
Material
property
Stress σc
[FL-2]
=0.901
Strain εc
—
= 1
Elastic module Es
[FL-2]
=0.901
Density ρc
[FL-4T2]
, take 1
Load
Concentrated load P
[F]
=0.0059
Bending Moment M
[FL]
=0.000244
The main arch rib is composited of one steel pipe with diameter 110mm and wall thickness 2mm, and two steel pipes with diameter 75mm and wall thickness 1.5mm.
The natural frequency, damping ratio and mode shape is related to the structural type, mass distribution, stiffness, material property and boundary conditions [8-10].
An overview of concrete and CFST arch bridges in China, ARCH’07 – 5th International Conference on Arch Bridges, 29-44. (2007) [4] Sheng Hongfei, Guo Wei, Wang Rui, The nonlinear analysis of concrete filled steel tubular Half Trough Arch Bridge without Wind Brace, Journal of Harbin University of C·E·& Architecture, 30(4):103-107. (1997) (in Chinese) [5] Cao Guohui, Fang Zhi, Zhou Xianyan, Experimental study on concrete-filled steel tube tied-arch bridge with CFRP hangers, China Civil Engineering, 39(12): 73-78. (2006) (in Chinese) [6] Yang Rihua, The analysis on mechanical property of Maocaojie long-span bridge model test, Changsha, China, Changsha University of Science & Technology, 2005.
The natural frequency, damping ratio and mode shape is related to the structural type, mass distribution, stiffness, material property and boundary conditions [8-10].
An overview of concrete and CFST arch bridges in China, ARCH’07 – 5th International Conference on Arch Bridges, 29-44. (2007) [4] Sheng Hongfei, Guo Wei, Wang Rui, The nonlinear analysis of concrete filled steel tubular Half Trough Arch Bridge without Wind Brace, Journal of Harbin University of C·E·& Architecture, 30(4):103-107. (1997) (in Chinese) [5] Cao Guohui, Fang Zhi, Zhou Xianyan, Experimental study on concrete-filled steel tube tied-arch bridge with CFRP hangers, China Civil Engineering, 39(12): 73-78. (2006) (in Chinese) [6] Yang Rihua, The analysis on mechanical property of Maocaojie long-span bridge model test, Changsha, China, Changsha University of Science & Technology, 2005.
Online since: May 2012
Authors: You Ning Xu, Fang He, Rui Ping Liu, Hai Ling Ke, Jiang Hua Zhang, Hua Qing Chen, Gang Qiao, Dong Ying Xu, A Ning Zhao
Table 1 The main statistical parameters of Cu, Cd, Zn, Cr ,As, Hg and Pb in the fine river
sediments Unit [ppm]
Element
Cu
Pb
Zn
Cd
Cr
As
Hg
Average value (n=66)
435.2
3601.2
779.9
7.1
52.7
4.4
3.8
Median
265.0
2395.0
244.0
2.3
44.8
4.1
2.7
Variance
506.0
4031.8
1607.3
15.4
29.1
1.2
4.2
Standard deviation
3240.0
21825.0
9000.0
89.6
178.0
8.9
24.6
Maximum value
32.3
51.0
32.0
0.2
1.4
2.6
0.8
Minimum value
1.16
1.12
2.06
2.16
0.55
0.28
1.12
Coefficient of variation
435.2
3601.2
779.9
7.1
52.7
4.4
3.8
Fig.3 Frequency distribution diagrams of Hg, Pb, Cu, Fe, As, Cd, Zn and Cr in the sediments
In this sense, one of the most important points in geochemical prospecting is the selection of threshold values to separate the regional background (understood as the mean content of each element considered in a geological material) and the positive geochemical anomalies, i.e
In this sense, one of the most important points in geochemical prospecting is the selection of threshold values to separate the regional background (understood as the mean content of each element considered in a geological material) and the positive geochemical anomalies, i.e. unusually high contents of those elements in that particular geological context.
Acknowledgements This work was financially supported by the Nation Natural Science Foundation (200811061), and The Project of Nation Geologic Investigation (1212010741003).
Zonation of contaminated bottom sediments in Hamilton harbour as defined by statistical classification techniques,Water Quality Research Journal of Canada.31(1996) 505–528
In this sense, one of the most important points in geochemical prospecting is the selection of threshold values to separate the regional background (understood as the mean content of each element considered in a geological material) and the positive geochemical anomalies, i.e. unusually high contents of those elements in that particular geological context.
Acknowledgements This work was financially supported by the Nation Natural Science Foundation (200811061), and The Project of Nation Geologic Investigation (1212010741003).
Zonation of contaminated bottom sediments in Hamilton harbour as defined by statistical classification techniques,Water Quality Research Journal of Canada.31(1996) 505–528
Online since: December 2007
Authors: Ying Xue Yao, G.H. Liu, Ping Jun Xia, Yue Dong Lang
Zhang: Virtual Reality System (Science press, China 2001)
[2] X.N.
Yao: Key Engineering Materials, Vol.316 (2006), pp.556-560
Liu: The International Journal of Advanced Manufacturing Technology, Vol.3 (2006), pp.395-402.
Yao: Key Engineering Materials, Vol.316 (2006), pp.556-560
Liu: The International Journal of Advanced Manufacturing Technology, Vol.3 (2006), pp.395-402.
Online since: May 2012
Authors: Mao Tian Luan, Lin Qing Yang, Bo Xu, Zhong Tao Wang
This value has been confirmed through experimental calibration using a range of material types, stress histories and stress levels [5,6].
During the consolidating procedure of soil deposits, the nozzle can be replaced with sample profile or trimming tools if a specific surface or material removal is required.
This research is supported by National Natural Science Foundation of China 50909014.
International Journal of Physical Modelling in Geotechnics, 2001, 1(3): 17-25
During the consolidating procedure of soil deposits, the nozzle can be replaced with sample profile or trimming tools if a specific surface or material removal is required.
This research is supported by National Natural Science Foundation of China 50909014.
International Journal of Physical Modelling in Geotechnics, 2001, 1(3): 17-25
Online since: January 2019
Authors: Luis Héctor Hernández-Gómez, Pablo Ruiz-López, Juan Cruz Castro, E. Hernández Palafox, I.A. Alarcón Sánchez, A. Armenta Molina
It was awarded by the National Council of Science and Technology (CONACyT).
Progress and Prospects," Journal of Pressure Vessel Technology, vol. 122, pp. 339-348, 2000
[19] ANSYS, "Workshop 09 Fluent Introduction," in Customer Training Material, USA, ANSYS, 2016, p. 14. [20] ANSYS, "Lecture 10 Fluent Introduction," in Customer Training Material, USA, ANSYS, 2016, p. 9.
Progress and Prospects," Journal of Pressure Vessel Technology, vol. 122, pp. 339-348, 2000
[19] ANSYS, "Workshop 09 Fluent Introduction," in Customer Training Material, USA, ANSYS, 2016, p. 14. [20] ANSYS, "Lecture 10 Fluent Introduction," in Customer Training Material, USA, ANSYS, 2016, p. 9.
Online since: June 2008
Authors: M. Neil James
The net result is often that the people using
sophisticated design and manufacturing systems are unaware of the materials and performance
criteria underpinning their successful use in engineering practice.
This is because they are affected by a wide range of factors, and can occur as a result of deficiencies in, and subtle interplay amongst, design methods, manufacturing and fabrication processes, materials selection and performance, and operation and maintenance.
Case Studies in Cracking The principles of failure analysis and fractography (which is the science of the study of fracture surface features) are common across all size scales of cracking problem.
[3] Materials Handbook, 10 th edition, Vol. 11 Failure Analysis and Prevention, Editors: RJ Shipley and WT Becker, ASM International, Materials Park, Ohio, USA (2002)
James, International Journal of Fatigue, Vol. 17 (1995), pp.457-462
This is because they are affected by a wide range of factors, and can occur as a result of deficiencies in, and subtle interplay amongst, design methods, manufacturing and fabrication processes, materials selection and performance, and operation and maintenance.
Case Studies in Cracking The principles of failure analysis and fractography (which is the science of the study of fracture surface features) are common across all size scales of cracking problem.
[3] Materials Handbook, 10 th edition, Vol. 11 Failure Analysis and Prevention, Editors: RJ Shipley and WT Becker, ASM International, Materials Park, Ohio, USA (2002)
James, International Journal of Fatigue, Vol. 17 (1995), pp.457-462
Online since: February 2019
Authors: G. Sandhya, Giri Babu Kande, Savithri T. Satya
In Sect. 2, the used materials and methods are presented.
Materials and Methods In this part, the materials and methods used in the work are presented.
Kangas (eds.), Artificial Neural Networks (Elsevier Science Publishers), pp: 1087-1090, (1991)
Satya Savithri, ” Segmentation of Noisy MR Images of the Brain to Detect WM, GM, and CSF Tissues in the Presence of Intensity Inhomogeneity ” ,IETE Journal of Research, 2018, ISSN: 0974 - 780X
Satya Savithri, “An Efficient Computational Approach for the Detection of MR Brain Tissues in the Presence of Noise and Intensity In homogeneity”, Journal of Biomimetics, Biomaterials and Biomedical Engineering Vol. 33, pp 65-79,2017, ISSN: 2296-9845
Materials and Methods In this part, the materials and methods used in the work are presented.
Kangas (eds.), Artificial Neural Networks (Elsevier Science Publishers), pp: 1087-1090, (1991)
Satya Savithri, ” Segmentation of Noisy MR Images of the Brain to Detect WM, GM, and CSF Tissues in the Presence of Intensity Inhomogeneity ” ,IETE Journal of Research, 2018, ISSN: 0974 - 780X
Satya Savithri, “An Efficient Computational Approach for the Detection of MR Brain Tissues in the Presence of Noise and Intensity In homogeneity”, Journal of Biomimetics, Biomaterials and Biomedical Engineering Vol. 33, pp 65-79,2017, ISSN: 2296-9845