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Online since: May 2012
Authors: Shuang Yue Liu, Jiang Fei, Da Wang, Juan Wang, Li Na Chen
The Application of the Thought of Controlling of Source Dangers on the Analysis and Discussion of Coal Mine Hazards Management
Shuangyue Liu 1,a, Jiang Fei 2,b,Wang Dan3,c,Wang Juan4,d,Lina Chen5,e
1University of Science & Technology Beijing
2University of Science & Technology Beijing
3University of Science & Technology Beijing
4University of Science & Technology Beijing
5University of Science & Technology Beijing
allssyz@126.com
b634904024@qq.com
cyikezhuiluodexing@yahoo.com.cn
dwangdan880313@qq.com
e657667997@qq.com
Keywords coal; hazard control; risk management; closure management
Abstract.
Thus, we can query the database and update the system to identify energy or carriers involved in companies. 2)Identify the material insecurity According to the actual situation of a mining group, we divide the material insecurity(potential hazards of materials) into several classes.
Potential hazards of materials can be classified as: the missed items, ineffective items, items that need to be improved.
Figure 1 is the treatment process of material risks.
The frequent coal mine accidents from the theory of three sources of danger [J].China Safety Science Journal,2007,17(1):10-15 [5] Tianshui Chen,Hongxia Li.
Thus, we can query the database and update the system to identify energy or carriers involved in companies. 2)Identify the material insecurity According to the actual situation of a mining group, we divide the material insecurity(potential hazards of materials) into several classes.
Potential hazards of materials can be classified as: the missed items, ineffective items, items that need to be improved.
Figure 1 is the treatment process of material risks.
The frequent coal mine accidents from the theory of three sources of danger [J].China Safety Science Journal,2007,17(1):10-15 [5] Tianshui Chen,Hongxia Li.
Online since: May 2003
Authors: H. Yamamoto, Y. Sato, A. Ookubo, R. Shimogoryou, Racquel Z. LeGeros, Toshiro Sakae, Y. Kozawa, S. Lin
The results
confirmed that CHA are potential bone-grafting materials and also showed that CFA, compared to
CHA or HAP materials, accelerate bone formation.
The implanted materials were covered with biodegradable membranes to prevent material loss during the experiment.
However, these materials differed in extent of resorption with CHA being the fastest and HAP the slowest.
These results confirmed that carbonate-containing apatites are potential bone-grafting materials.
The results also showed that CFA, compared to CHA or HAP materials, accelerate bone formation attributed to the F content.
The implanted materials were covered with biodegradable membranes to prevent material loss during the experiment.
However, these materials differed in extent of resorption with CHA being the fastest and HAP the slowest.
These results confirmed that carbonate-containing apatites are potential bone-grafting materials.
The results also showed that CFA, compared to CHA or HAP materials, accelerate bone formation attributed to the F content.
Online since: February 2016
Authors: Ji Zhao, Jin Chao Li, Lei Lei Liu, Shi Jun Ji
Silicon carbide, a high-strength material, has a ductile-brittle transition mechanism.
The workpiece material is regarded as elastic-plastic material.
Acknowledgement This work is supported by the National Key Basic Research and Development Program (973 Program) of China (grant no. 2011CB706702), Natural Science Foundation of China (grant no. 51135006 and 51305161), Jilin province science and technology development plan item (grant no. 20130101042JC).
Lubarda, in: Deformation Theory of Plasticity Revisited (Proceedings of Montenegrin Academy of Science and Arts, 2000)
[7] Sq J, Yq T, Dm Y and Y S: Discrete element method simulation of residual stresses in SiC single-point diamond ultar-precision machining (Journal of the Chinese Ceramic Society, 2010).
The workpiece material is regarded as elastic-plastic material.
Acknowledgement This work is supported by the National Key Basic Research and Development Program (973 Program) of China (grant no. 2011CB706702), Natural Science Foundation of China (grant no. 51135006 and 51305161), Jilin province science and technology development plan item (grant no. 20130101042JC).
Lubarda, in: Deformation Theory of Plasticity Revisited (Proceedings of Montenegrin Academy of Science and Arts, 2000)
[7] Sq J, Yq T, Dm Y and Y S: Discrete element method simulation of residual stresses in SiC single-point diamond ultar-precision machining (Journal of the Chinese Ceramic Society, 2010).
Online since: December 2010
Authors: Li Hua Zou, Kai Huang, Wei Zhang, Yu Rao, Li Yuan Wang
As the cable remains line after deformation,according to the deformation compatibility condition
(23)
we can deduce
(24)
Substituting (24) and into (6), the horizontal stiffness of isolator can be obtained.From the calculation formulas of stiffness above,we can see,the horizontal stiffness of prestress rubber isolators is not only related to the materials and parameters of isolators,but also related to their vertical loads and horizontal shear.
[2] Zhou Xiyuan,Ma Donghui,Zeng Demin, Han Miao,A formula for horizontal stiffness of composited isolators,China civil engineering journal. 33(2000) 38-44(In Chinese) [3]Zhou Fuling,Vibration control of engineering structures,Beijing,Seismic press,1997 [4] B.S.Kang,G.J.Kang,B.Y.Moon,Hole and lead plug effect on fiber reinforced elastomeric isolator for seismic isolation.Journal of materials processing technology 140(2003)592-597 [5]M.Ismail,J.Rodellar,F.Ikhouane,An innovative isolation device for aseismic design,Engineering structures, 32(2009) 345-356 [6] Zhang Yong shan, Yan Xueyuan2 , Wang Huanding, Wei Lushun, Zhao Guifeng, Experimental study on mechanical properties of three dimensional base isolation and overturn resistance device,Engineering mechanics 26(2009) 124-126 [7]Wei Lushun,Zhou Fuling,Application of three-dimensional seismic and vibration isolator to building and site test,Journal of earthquake engineering and engineering vibration,27(2007) 121-125 [8]Cui Yibing
,Zhang Fuyou,Study on fundamental characteristics of rubber insulation bearing with a steel bar inside,Journal of Hehai University(Natural Sciences) 35(2007) 302-305 [9]H.C.Tai,S.J.Hsueh,Mechanical properties of isolation bearings identified by a viscoelastic model, International journal of solids structures,38(2001) 53-74 [10] Mizuka, A macroscopic model for prediction large-deformation behaviors of laminated rubber bearings,Engineering structures,22(2001)323-334 [11] Zhou Xiyuan, Han Miao,Zen Demin Fan Shuirong, Rubber bearing isolation system with soft landing protection, Journal of building structures 21(2000) 2-9 [12]Beom-Soo Kang,Gyung-Ju Kang,Kyung-Young Moon,Hole and lead plug effect on fiber reinforced elastomeric isolator for seismic isolation.Journal of materials processing technology,140(2003)292-597
[2] Zhou Xiyuan,Ma Donghui,Zeng Demin, Han Miao,A formula for horizontal stiffness of composited isolators,China civil engineering journal. 33(2000) 38-44(In Chinese) [3]Zhou Fuling,Vibration control of engineering structures,Beijing,Seismic press,1997 [4] B.S.Kang,G.J.Kang,B.Y.Moon,Hole and lead plug effect on fiber reinforced elastomeric isolator for seismic isolation.Journal of materials processing technology 140(2003)592-597 [5]M.Ismail,J.Rodellar,F.Ikhouane,An innovative isolation device for aseismic design,Engineering structures, 32(2009) 345-356 [6] Zhang Yong shan, Yan Xueyuan2 , Wang Huanding, Wei Lushun, Zhao Guifeng, Experimental study on mechanical properties of three dimensional base isolation and overturn resistance device,Engineering mechanics 26(2009) 124-126 [7]Wei Lushun,Zhou Fuling,Application of three-dimensional seismic and vibration isolator to building and site test,Journal of earthquake engineering and engineering vibration,27(2007) 121-125 [8]Cui Yibing
,Zhang Fuyou,Study on fundamental characteristics of rubber insulation bearing with a steel bar inside,Journal of Hehai University(Natural Sciences) 35(2007) 302-305 [9]H.C.Tai,S.J.Hsueh,Mechanical properties of isolation bearings identified by a viscoelastic model, International journal of solids structures,38(2001) 53-74 [10] Mizuka, A macroscopic model for prediction large-deformation behaviors of laminated rubber bearings,Engineering structures,22(2001)323-334 [11] Zhou Xiyuan, Han Miao,Zen Demin Fan Shuirong, Rubber bearing isolation system with soft landing protection, Journal of building structures 21(2000) 2-9 [12]Beom-Soo Kang,Gyung-Ju Kang,Kyung-Young Moon,Hole and lead plug effect on fiber reinforced elastomeric isolator for seismic isolation.Journal of materials processing technology,140(2003)292-597
Online since: November 2021
Authors: C.C. Soumya, Sunil K. Narayanankutty, K.E. George
Blending PANI with inorganic particles is a useful approach for developing outstanding hybrid materials which combine thermal resistance and mechanical strength of the inorganic component.
The SiO2 particles emerged to be a good partner for preparing PANI-based hybrid materials because of their excellent reinforcing property [14-16].
Experimental 2.1 Materials Aniline was purchased from Merck Specialties Pvt.
The materials were heated from 25 to 750 0C at a constant heating rate of 10 0C min–1.
Water-soluble polyaniline/graphene composites as materials for energy storage applications.
The SiO2 particles emerged to be a good partner for preparing PANI-based hybrid materials because of their excellent reinforcing property [14-16].
Experimental 2.1 Materials Aniline was purchased from Merck Specialties Pvt.
The materials were heated from 25 to 750 0C at a constant heating rate of 10 0C min–1.
Water-soluble polyaniline/graphene composites as materials for energy storage applications.
Online since: February 2011
Authors: Lian Chao Wang
Nickel oxide is one of the more popular electrochromic materials after tungsten oxide.
Sol-gel deposited electrochromic NiO films can be made by busing different precursor materials.
Acknowledgements This work was financially supported by key project on nano-materials science of Anhui Province (No. 01402006), and Nature Science Foundation of Anhui Province under project 01041404, which are gratefully acknowledged.
,Molecule-based Materials.Shanghai, Shanghai Science & Technology Press, Shang Hai , 2001,p242 [14] Wruck D A,Rubin M., J.
Wang , Materials Chemistry and Physics Vol.77 (2002) , p.384 [16] Crandell R S,Faughuan B W.
Sol-gel deposited electrochromic NiO films can be made by busing different precursor materials.
Acknowledgements This work was financially supported by key project on nano-materials science of Anhui Province (No. 01402006), and Nature Science Foundation of Anhui Province under project 01041404, which are gratefully acknowledged.
,Molecule-based Materials.Shanghai, Shanghai Science & Technology Press, Shang Hai , 2001,p242 [14] Wruck D A,Rubin M., J.
Wang , Materials Chemistry and Physics Vol.77 (2002) , p.384 [16] Crandell R S,Faughuan B W.
Online since: August 2005
Authors: Yoshihiro Obata, Kozo Kanayama, Kazutoshi Takeuchi, Kouichi Akaeda
Control of Grading Structure and Thermal Conductivity of Wood
by Compressing Process
Yoshihiro Obata
1,a, Kazutoshi Takeuchi2,b, Kouichi Akaeda
3,c
and Kozo Kanayama
1,d
1
Materials Research Institute for Sustainable Development, National Institute of Advanced
Industrial Science and Technology, 2266-98, Anagahora, Shimoshidami, Moriyama-ku, Nagoya,
463-8560, Japan
2
Temporary Research Staff dispatched to Materials Research Institute for Sustainable
Development, National Institute of Advanced Industrial Science and Technology, 2266-98,
Anagahora, Shimoshidami, Moriyama-ku, Nagoya, 463-8560, Japan
3
Eidai Research Institute, Eidai Co., Ltd., 2-10-60, Hirabayashiminami, Suminoe-ku, Osaka, 5598658,
Japan
a
y-obata@aist.go.jp, bk-takeuchi@aist.go.jp, ck-akaeda@eidai-sangyo.co.jp, dkozokanayama@aist.go.jp
Keywords: Sustainable development.
It is also an eco-material to fix carbon from carbon dioxide, which is one of main causes of the global warming problem.
Such grading structure suggests that material properties of natural wood have grading pattern.
Although wood is a porous material, the real part of wood without porous is 1500kg/m3 [4].
Ymaguchi: International Journal of Heat and Mass Transfer Vol. 45 (2002), p. 2243
It is also an eco-material to fix carbon from carbon dioxide, which is one of main causes of the global warming problem.
Such grading structure suggests that material properties of natural wood have grading pattern.
Although wood is a porous material, the real part of wood without porous is 1500kg/m3 [4].
Ymaguchi: International Journal of Heat and Mass Transfer Vol. 45 (2002), p. 2243
Online since: August 2014
Authors: Hana Kalousová, Tomáš Opravil, Eva Bartoníčková
In this paper, the utilization of fly ash in the production of building materials, as a low-cost material is discussed, because it is important for two aspects – ecological and economic.
This fact is very positive - because there are probably no phase changes in time and it is possible to use this secondary raw material as a component in building materials.
This fact is very positive for the application of these fly ashes as components of building materials.
In: Progress in Energy and Combustion Science, 2010, Vol. 36, Issue 3, p. 327 – 363
In: Journal of Cleaner Production, 2014, In Press [4] SCRIVENER K.L., KIRKPATRICK R.J.: Innovation in use and research on cementitious materials.
This fact is very positive - because there are probably no phase changes in time and it is possible to use this secondary raw material as a component in building materials.
This fact is very positive for the application of these fly ashes as components of building materials.
In: Progress in Energy and Combustion Science, 2010, Vol. 36, Issue 3, p. 327 – 363
In: Journal of Cleaner Production, 2014, In Press [4] SCRIVENER K.L., KIRKPATRICK R.J.: Innovation in use and research on cementitious materials.
Online since: December 2013
Authors: Mohammad Mobassher Bin Tofa, Adi Maimun, Yasser Mohamed Ahmed, Saeed Jamei, Ab Saman Kader, Hassan Abyn
Results of this paper can be used as validation materials for CFD analysis that is very important to design riser system for oil and gas industry, also mentioned experiment procedure can be treated as a guide for future endeavour to perform similar kind of tests.
"Multi-Frequency Response of a Cylinder Subjected Vortex-Shedding and Supported Motions," D.Sc. thesis, Department of Marine Structures, Norwegian University of Science and Technology, Trondheim, Norway
Williamson, C.H.K. (2000), Modes of Vortex Formation and Frequency Response of a Freely Vibrating Cylinder”, Journal of Fluids Mechanics, Vol 420, pp 85-130. 76 [4] Willden, R.H.J., Graham, J.M.R (2004), “Multi-modal Vortex-Induced Vibrations of a Vertical Riser Pipe Subject to a Uniform Current Profile”, European Journal of Mechanics B/Fluids, Vol 23, pp 209-218
[6] Trim, A.D., Braaten, H., Lie, H., Tognarelli, M.A. (2005), “Experimental Investigation of Vortex-induced Vibration of Long Marine Risers”, Journal of Fluids and Structures, Vol 21, pp 335-361
Mukundan, H, Triantafyllou, M.S. (2006), “Riser Modal Identification in CFD and Full-scale Experiments”, Journal of Fluids and Structures, Vol 22, pp 905-917
"Multi-Frequency Response of a Cylinder Subjected Vortex-Shedding and Supported Motions," D.Sc. thesis, Department of Marine Structures, Norwegian University of Science and Technology, Trondheim, Norway
Williamson, C.H.K. (2000), Modes of Vortex Formation and Frequency Response of a Freely Vibrating Cylinder”, Journal of Fluids Mechanics, Vol 420, pp 85-130. 76 [4] Willden, R.H.J., Graham, J.M.R (2004), “Multi-modal Vortex-Induced Vibrations of a Vertical Riser Pipe Subject to a Uniform Current Profile”, European Journal of Mechanics B/Fluids, Vol 23, pp 209-218
[6] Trim, A.D., Braaten, H., Lie, H., Tognarelli, M.A. (2005), “Experimental Investigation of Vortex-induced Vibration of Long Marine Risers”, Journal of Fluids and Structures, Vol 21, pp 335-361
Mukundan, H, Triantafyllou, M.S. (2006), “Riser Modal Identification in CFD and Full-scale Experiments”, Journal of Fluids and Structures, Vol 22, pp 905-917
Molecular Dynamics Simulation for Nanohardness Experiments Based on Single Crystal Silicon Substrate
Online since: March 2004
Authors: Ying Xue Yao, Yu Zhu
Introduction
With the development of nano science and technology, more and more attention has been paid to the
materials property on nano scale.
It has been used in physics, material science and machining industry.
Journal Title and Volume Number (to be inserted by the publisher) 181 Molecular Dynamics Simulation Single crystal silicon microhardness experiment in nano scale is simulated with molecular dynamics.
This phenomenon exists in the microhardness experiments of different materials, such as the experiment of microhardness of Si substrate by Bhushan and Koinkar [8], the research by G.
Stowers: Material Research Symposium Vol. 140 (1989), p. 119 [3] J.
It has been used in physics, material science and machining industry.
Journal Title and Volume Number (to be inserted by the publisher) 181 Molecular Dynamics Simulation Single crystal silicon microhardness experiment in nano scale is simulated with molecular dynamics.
This phenomenon exists in the microhardness experiments of different materials, such as the experiment of microhardness of Si substrate by Bhushan and Koinkar [8], the research by G.
Stowers: Material Research Symposium Vol. 140 (1989), p. 119 [3] J.