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Online since: January 2014
Authors: Qiang Cheng, Li Gang Cai, Pei Hua Gu, Hong Wei Zhao
Acknowledgments
The authors are most grateful to the National Natural Science Foundation of China (no. 51005003), and Guangdong Provincial Natural Science Foundation of China (8351503101000001) the Guangdong Provincial Second Batch Leading Figure Program, Rixin Talent Project led by Beijing University of Technology, Beijing Education Committee Scientific Research Project, National Science and Technology Key Program (2010ZX04001-041) for supporting the research presented in this paper.
Applied Mechanics and Materials, v 420, Recent Trends in Materials and Mechanical Engineering II, (2013) p 85-91 [3] Ni J, Wu SM: An on-line measurement technique for machine volumetric error compensation [J].
Wuhan: Huazhong University of Science and Technology (2001) [5] Ramesh R, Mannnan MA, and Poo: Error compensation in machine tools—a review.
Part I: geometric, cutting-force induced and fixture-dependent errors [J] International Journal of Machine Tools & Manufacture 40 (2000) p: 1257–1284
Applied Mechanics and Materials, v 420, Recent Trends in Materials and Mechanical Engineering II, (2013) p 85-91 [3] Ni J, Wu SM: An on-line measurement technique for machine volumetric error compensation [J].
Wuhan: Huazhong University of Science and Technology (2001) [5] Ramesh R, Mannnan MA, and Poo: Error compensation in machine tools—a review.
Part I: geometric, cutting-force induced and fixture-dependent errors [J] International Journal of Machine Tools & Manufacture 40 (2000) p: 1257–1284
Online since: December 2012
Authors: Xu Yang, Ji Fu Wang, Xue Ping Zhang, Bao Jian Wang
Wetland provide a variety of food, medicine, energy and industrial raw materials for the human.
The purpose of this research is to provide the foundation of science for the protection and utilization of water environments in Daqing wetland.
Materials and Methods Sampling Layout.
Acknowledgment This work was financially supported by National Natural Science Foundation of China (No. 41071332&41071033), Heilongjiang National Science Fund for Young Scholars (No.
XU: Journal of Tongji University(Natural Science) .
The purpose of this research is to provide the foundation of science for the protection and utilization of water environments in Daqing wetland.
Materials and Methods Sampling Layout.
Acknowledgment This work was financially supported by National Natural Science Foundation of China (No. 41071332&41071033), Heilongjiang National Science Fund for Young Scholars (No.
XU: Journal of Tongji University(Natural Science) .
Online since: June 2014
Authors: Xiang Dong Li, Ling Ma, Wei Cai, Dong Xue Zhang
Technological innovation includes obvious improvement in technical specification, components, materials, registered software, user friendly and other functions.
Advanced materials e.
Acknowledgment This research was financially supported by Science and Technology Support Program of Hebei Province (Grant No. 12212112D) and Natural Science Foundation of Hebei Province (Grant No.
M, Measuring Innovative Performance: Is there an advantage in using multiple indicators, Research Policy , vol.32(2003), p. 1365-1379 [3] Gao Jian, Wang Jianfei and Wei Ping, Innovation performance index of enterprise: current situation, problems and new conceptual models, Science Research Management, vol.5(2004), p. 45-47 [4] Yang Baiyin and Gao Ang, Research on the choice of management model of innovation performance of enterprise and effect of innovation performance, Science Research Management vol.34(2013), p. 41-49 [5] S.
Gob, Managing Effective Knowledge Transfer: An Integrative Framework and Some Practice Implications, Journal of Knowledge Management, vol.6(2002), p. 22-30 [6] Chen Binglei.
Advanced materials e.
Acknowledgment This research was financially supported by Science and Technology Support Program of Hebei Province (Grant No. 12212112D) and Natural Science Foundation of Hebei Province (Grant No.
M, Measuring Innovative Performance: Is there an advantage in using multiple indicators, Research Policy , vol.32(2003), p. 1365-1379 [3] Gao Jian, Wang Jianfei and Wei Ping, Innovation performance index of enterprise: current situation, problems and new conceptual models, Science Research Management, vol.5(2004), p. 45-47 [4] Yang Baiyin and Gao Ang, Research on the choice of management model of innovation performance of enterprise and effect of innovation performance, Science Research Management vol.34(2013), p. 41-49 [5] S.
Gob, Managing Effective Knowledge Transfer: An Integrative Framework and Some Practice Implications, Journal of Knowledge Management, vol.6(2002), p. 22-30 [6] Chen Binglei.
Online since: May 2012
Authors: Hui Jie Ding, Ren Jie Zhang
Design of small methane concentration monitoring home alarm device
DING Huijie1,a , ZHANG Renjie2,b
1,2School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093,China
atzyhj28@gmail.com , bzhangrj@usst.edu.cn
Keywords: methane; gas sensor; concentration monitoring; alarm device.
Acknowledgement This research was financially supported by Supported by Leading Academic Discipline Project of Shanghai Municipal Education Commission(J50505) References [1] Qigong Li ,Dong Wu, Fei Xie,ect:Fire Science and Technology,vol. 289(2009), pp. 457-460
[3] Zhongqi Liu,Nulin Wang:Coal Science and Technology,vol.1(2005),pp.65-68
[5] Qiyi Pan,Xiaowen Dong,Jianping Zhang,ect:Journal of Inorganic Materials,vol.12(1997),pp.494 [6] Qunying Sun,Zhidan Yan,Ming Liu:Experiment Science and Technology,vol.3(2006),pp.122
[7] Wenke Huang:Electronic Components and Materials,vol.6(1994),pp.35-37
Acknowledgement This research was financially supported by Supported by Leading Academic Discipline Project of Shanghai Municipal Education Commission(J50505) References [1] Qigong Li ,Dong Wu, Fei Xie,ect:Fire Science and Technology,vol. 289(2009), pp. 457-460
[3] Zhongqi Liu,Nulin Wang:Coal Science and Technology,vol.1(2005),pp.65-68
[5] Qiyi Pan,Xiaowen Dong,Jianping Zhang,ect:Journal of Inorganic Materials,vol.12(1997),pp.494 [6] Qunying Sun,Zhidan Yan,Ming Liu:Experiment Science and Technology,vol.3(2006),pp.122
[7] Wenke Huang:Electronic Components and Materials,vol.6(1994),pp.35-37
Online since: July 2014
Authors: Mei Zhao, Fei Guo, Jun Xie, Jin He Bao, Xiu Ying Fan, Wei Han
,apply to study the technological field in spaceflight,army industry science at first,this equipment adopts and lengthens time for exposure and method to reduce noise mainly,in a situation that the intensity of illumination is low or the mark material evidence is very faint,can get the comparatively clear picture,at the same time,can comparatively lower the interference of the background of the object effectively too,it is one of the most advanced taking pictures tools at present.The Full-wave band CCD system shows and professional pattern process equipment in real time purple outside of one set,visible light,infrared picture high-resolution.It can visible light picture turn visible light picture into in real time,can realize faint collection and high-quality collection and processing of picture of signal under the low intensity of illumination situation, incorporate the verification of traces,file are examined,figure taking pictures and pattern process into an organic whole.
Discussing With the development of science and technology,the digitized picture of direct output of the Full-wave band CCD system,can also be real-time check-up is revised,the digitized process of making the whole information reconnoiter is accelerated greatly.The appearance of this system,the network enabling interpretation personnel and pattern process personnel to totally realize the digitized picture is real-time and mutual.Take a picture while manifesting various kinds of topographical ground form or the mark material evidence with the Full-wave band CCD system,besides mixing the light and focusing,other work is finished in the computer,and the picture got is all right appear " real-timly " on the monitor.Especially to take pictures to purple outside and infraredly,all right to be " real-time " sees the picture ,so can adjust and match all angle according to the power of contrast,avoid " striking blindly ".
References [1] Old banyan front yard,Peng MeiGui.CCD/CMOS picture sensor foundation and using [M].Beijing:Science Press,2006
[2] Xu XiaoJing,Lin Jing.The material evidence of the Full-wave band examines application [J] in the field of criminal camera work of CCD system.Image technology,2003 (3)
[6] Luo Wen is rich.High-accuracy position of CCD measure [J] on the basis of line burst.Journal of Tsing-Hua University (natural science edition ),2002,42 (9)
Discussing With the development of science and technology,the digitized picture of direct output of the Full-wave band CCD system,can also be real-time check-up is revised,the digitized process of making the whole information reconnoiter is accelerated greatly.The appearance of this system,the network enabling interpretation personnel and pattern process personnel to totally realize the digitized picture is real-time and mutual.Take a picture while manifesting various kinds of topographical ground form or the mark material evidence with the Full-wave band CCD system,besides mixing the light and focusing,other work is finished in the computer,and the picture got is all right appear " real-timly " on the monitor.Especially to take pictures to purple outside and infraredly,all right to be " real-time " sees the picture ,so can adjust and match all angle according to the power of contrast,avoid " striking blindly ".
References [1] Old banyan front yard,Peng MeiGui.CCD/CMOS picture sensor foundation and using [M].Beijing:Science Press,2006
[2] Xu XiaoJing,Lin Jing.The material evidence of the Full-wave band examines application [J] in the field of criminal camera work of CCD system.Image technology,2003 (3)
[6] Luo Wen is rich.High-accuracy position of CCD measure [J] on the basis of line burst.Journal of Tsing-Hua University (natural science edition ),2002,42 (9)
Online since: July 2011
Authors: Rui Jun Gao, Xiao Liang Yan, Sheng Hua Lv
Graft copolymerization, especially grafting of various vinyl monomers onto chitosan is one of the most effective and promising method, which can incorporate desirable functions, affording novel types of tailored hybrid materials composed of natural polysaccharides and synthetic polymers.
Experiments Materials.
Acknowledgement This research program was supported financially by the National Natural Science foundation of China (No. 20876091) and Shaanxi Province Natural Science Foundation (No.
Graduate innovation fund of Shaanxi University of Science & Technology.
Chia, Preparation of chitosan-graft-poly(vinyl acetate) copolymers and their adsorption of copper ion, Polymer Journal. 34 (2002) 418-425
Experiments Materials.
Acknowledgement This research program was supported financially by the National Natural Science foundation of China (No. 20876091) and Shaanxi Province Natural Science Foundation (No.
Graduate innovation fund of Shaanxi University of Science & Technology.
Chia, Preparation of chitosan-graft-poly(vinyl acetate) copolymers and their adsorption of copper ion, Polymer Journal. 34 (2002) 418-425
Online since: August 2022
Authors: Zuhair Khan, Asghar Ali, Shaheer Aslam, Mian Muneeb Ur Rehman, Mohammad Ahmad
Optimizing the Morphology, Structure and Optoelectronic Properties of Aluminum Doped Zinc Oxide Thin Films Developed via Wet Chemical Synthesis
Mian Muneeb Ur Rehman1,2,a, ZUHAIR Khan2,b*, MUHAMMAD Ahmad1,2,c, ASGHAR Ali2,d, SHAHEER Aslam1,2,e
1Department of Materials Science and Engineering, GIK Institute of Engineering Sciences and Technology, Topi 23640, Sawabi, Khyber Pakhtunkhwa,Pakistan
2U.S.
Aluminum (Al) doped zinc oxide (AZO) is an important TCO material which is being widely investigated for such applications.
Indium tin oxide (ITO) has been extensively used as TCO materials for most applications.
But the excessive cost, chemical instability and toxic nature of ITO has encouraged efforts to seek the other material [2][3].
Koh, Optical and structural properties of Al-doped ZnO thin films by sol gel process, Journal of Nanoscience and Nanotechnology, 13 (5) (2013) 3403–3407
Aluminum (Al) doped zinc oxide (AZO) is an important TCO material which is being widely investigated for such applications.
Indium tin oxide (ITO) has been extensively used as TCO materials for most applications.
But the excessive cost, chemical instability and toxic nature of ITO has encouraged efforts to seek the other material [2][3].
Koh, Optical and structural properties of Al-doped ZnO thin films by sol gel process, Journal of Nanoscience and Nanotechnology, 13 (5) (2013) 3403–3407
Online since: October 2004
Authors: Zbigniew L. Kowalewski
Creep tests were performed for materials in the as-received state and for the same
materials plastically prestrained at the room temperature.
It was observed for both materials tested.
Rodgers: Metal Science, 8 (1974), 261-266
Kowalewski: International Journal of Plasticity, 7 (1991), 387-404
Wilson: Journal of the Institute of Metals, 101 (1973), 188-196
It was observed for both materials tested.
Rodgers: Metal Science, 8 (1974), 261-266
Kowalewski: International Journal of Plasticity, 7 (1991), 387-404
Wilson: Journal of the Institute of Metals, 101 (1973), 188-196
Online since: March 2012
Authors: Bin Ma, Jie Sun
Traditional lighting has many disadvantages, such as dispersed control, energy inefficacy, which could waste much of human and material resources.
Introduction Traditional lighting control systems, such as wired control, are low efficient and not saving energy, resulting in waste of human and material resources.
[3] Wan Ben-ting, The maximum lifetime optimization strategy of linear wireless sensor networks based on mobile sink, Journal of Convergence Information Technology, vol. 6 No. 9, pp.396-402, Sep. 2011
Squ, pp. 194-196, Oct. 2008 [7] Long Hainan, Liu Zhi-qiang, Design Wireless Data Transmission System for Small Hydropower Stations Based on nRF24L01, The 1st International Conference on Information Science and Engineering (ICISE2009), pp.4008-4010, [8] Stc89c51 http://www.mcu-memory.com/datasheet/stc/STC-AD-PDF/STC89C58RD+-english.pdf [9] MAX232 DATASHEET, http://www.ti.com/lit/ds/symlink/max232.pdf
Introduction Traditional lighting control systems, such as wired control, are low efficient and not saving energy, resulting in waste of human and material resources.
[3] Wan Ben-ting, The maximum lifetime optimization strategy of linear wireless sensor networks based on mobile sink, Journal of Convergence Information Technology, vol. 6 No. 9, pp.396-402, Sep. 2011
Squ, pp. 194-196, Oct. 2008 [7] Long Hainan, Liu Zhi-qiang, Design Wireless Data Transmission System for Small Hydropower Stations Based on nRF24L01, The 1st International Conference on Information Science and Engineering (ICISE2009), pp.4008-4010, [8] Stc89c51 http://www.mcu-memory.com/datasheet/stc/STC-AD-PDF/STC89C58RD+-english.pdf [9] MAX232 DATASHEET, http://www.ti.com/lit/ds/symlink/max232.pdf
Online since: January 2009
Authors: Zheng Liu, Li Lin, Chang Yi Wang, Quan Ying Guo, Ping Li Mao, Jing Sun, Feng Wang
Effect of Solid Solution Time on the Microstructure and
Mechanical Properties of AZ81-4Gd Magnesium Alloy
Quanying GUO1,a
, Pingli MAO2,b
, Zheng LIU
3,c
, Jing SUN,
Changyi WANG, Feng WANG and Li LIN
1
School of Materials Science and Engineering,
Shenyang University of Technology, Shenyang 110178, China
2
School of Materials Science and Engineering,
Shenyang University of Technology, Shenyang 110178, China
a
email:guoqy1965@163.com, b
email:pinglimao@yahoo..com, cemail: zliu4321@vip.sina.com
Key words: Magnesium Alloy, Heat Treatment, Microstructure, Mechanical Properties.
The original materials are AZ91 ingot, pure aluminum (99.9%), pure zinc(99.9%), magnesium-gadolinium intermediate alloy(20.02%Gd).
After all the materials are melted, the melting was stewed for 10 minutes before casting in a metal mold of 100 mm in diameter at 700 o C.
The room temperature tensile strength is tested using CSS-5510 electron universal materials testing machine, the tensile strain rate is 1x10 -1mm/min.
[2] Liu Shengfa, Huang Shangyu, Xu Ping: Influence of cerium addition on as-cast microstructure refinement of AZ91 magnesium alloy, Acta Metallurgica Sinica Vol. 42(2006), p.443-448 [3] Petterson G, Westengen H, Hcpier R: Microstructure of pressure die cast Mg4%Al alloy modified with rare earth addition, Material Science and Engineering Vol.1(1996), p.115-120 [4] Wei L Y: Development of microstructure in cast Mg-Al-RE alloys:Materials Science and Technology, Vol.9(1996), p.741-742 [5] S.M.He, X.Q.Zeng,L.M.peng, X.Gao, J.F.Nie, W.J.Ding: Precipitation in a Mg-13Gd-3Y-0.4Zr(wt%) alloy during isothermal aging at 250ºC, Jounal of Alloys and Compounds, Vol.421(2006), p.309-313 [6] Rokhlin L L, Bochvar N R, Lysova E V: Phase equilibria in the AI-Gd-Mg system in solid state, Journal OF Materials Science Letters,Vol.15 (1996), p.2077-2079 [7] Chen jianmei, Zhang xinming: Microstructure and Heat Treatment behavior of the Mg-Y-Mn-Sc Alloys as-casting, HEAT TRETMENT
The original materials are AZ91 ingot, pure aluminum (99.9%), pure zinc(99.9%), magnesium-gadolinium intermediate alloy(20.02%Gd).
After all the materials are melted, the melting was stewed for 10 minutes before casting in a metal mold of 100 mm in diameter at 700 o C.
The room temperature tensile strength is tested using CSS-5510 electron universal materials testing machine, the tensile strain rate is 1x10 -1mm/min.
[2] Liu Shengfa, Huang Shangyu, Xu Ping: Influence of cerium addition on as-cast microstructure refinement of AZ91 magnesium alloy, Acta Metallurgica Sinica Vol. 42(2006), p.443-448 [3] Petterson G, Westengen H, Hcpier R: Microstructure of pressure die cast Mg4%Al alloy modified with rare earth addition, Material Science and Engineering Vol.1(1996), p.115-120 [4] Wei L Y: Development of microstructure in cast Mg-Al-RE alloys:Materials Science and Technology, Vol.9(1996), p.741-742 [5] S.M.He, X.Q.Zeng,L.M.peng, X.Gao, J.F.Nie, W.J.Ding: Precipitation in a Mg-13Gd-3Y-0.4Zr(wt%) alloy during isothermal aging at 250ºC, Jounal of Alloys and Compounds, Vol.421(2006), p.309-313 [6] Rokhlin L L, Bochvar N R, Lysova E V: Phase equilibria in the AI-Gd-Mg system in solid state, Journal OF Materials Science Letters,Vol.15 (1996), p.2077-2079 [7] Chen jianmei, Zhang xinming: Microstructure and Heat Treatment behavior of the Mg-Y-Mn-Sc Alloys as-casting, HEAT TRETMENT