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浏览/检索结果: 共18条，第1-10条 帮助

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A coupled heat transfer model of medium-depth downhole coaxial heat exchanger based on the piecewise analytical solution 期刊论文  OAI收割
ENERGY CONVERSION AND MANAGEMENT, 2020, 卷号: 204, 页码: 17
作者:  Ma, Ling;  Zhao, Yazhou;  Yin, Hongmei;  Zhao, Jun;  Li, Wenjia
  |  收藏  |  浏览/下载：100/0  |  提交时间：2020/05/18
Green economic efficiency in the Yangtze River Delta: spatiotemporal evolution and influencing factors 期刊论文  OAI收割
ECOSYSTEM HEALTH AND SUSTAINABILITY, 2019, 页码: 16
作者:  Wang, Zhenbo;  Wang, Xinming;  Liang, Longwu
  |  收藏  |  浏览/下载：49/0  |  提交时间：2019/10/11
Green economic efficiency in the Yangtze River Delta: spatiotemporal evolution and influencing factors 期刊论文  OAI收割
ECOSYSTEM HEALTH AND SUSTAINABILITY, 2019, 页码: 16
作者:  Wang, Zhenbo;  Wang, Xinming;  Liang, Longwu
  |  收藏  |  浏览/下载：24/0  |  提交时间：2019/10/11
Green economic efficiency in the Yangtze River Delta: spatiotemporal evolution and influencing factors 期刊论文  OAI收割
ECOSYSTEM HEALTH AND SUSTAINABILITY, 2019, 页码: 16
作者:  Wang, Zhenbo;  Wang, Xinming;  Liang, Longwu
  |  收藏  |  浏览/下载：15/0  |  提交时间：2019/10/11
Highly efficient and selective removal of mercury ions using hyperbranched polyethylenimine functionalized carboxymethyl chitosan composite adsorbent 期刊论文  OAI收割
CHEMICAL ENGINEERING JOURNAL, 2019, 卷号: 358, 期号: 2, 页码: 253-263
作者:  Zeng, HH (Zeng, Hehua)[ 1,2,4 ];  Wang, L (Wang, Lan)[ 1 ];  Zhang, D (Zhang, Dan)[ 1,3 ];  Yan, P (Yan, Peng)[ 1 ];  Nie, J (Nie, Jing)[ 1 ]
  |  收藏  |  浏览/下载：80/0  |  提交时间：2019/09/02
Improvement of contact calculation in spherical discontinuous deformation analysis 期刊论文  OAI收割
SCIENCE CHINA-TECHNOLOGICAL SCIENCES, 2017, 卷号: 60, 期号: 5, 页码: 765-771
作者:  Zhao, Zhiye;  Wang, Long;  Jiao, YuYong;  Huang, GangHai;  Zheng, Fei
  |  收藏  |  浏览/下载：28/0  |  提交时间：2018/06/05
Influences of Conjugation Extent on the Aggregation-Induced Emission Quantum Efficiency in Silole Derivatives: A Computational Study 期刊论文  OAI收割
CHEMISTRY-AN ASIAN JOURNAL, 2015, 卷号: 10, 期号: 10, 页码: 2154-2161
作者:  Xie, Yujun;  Zhang, Tian;  Li, Zhen;  Peng, Qian;  Yi, Yuanping
收藏  |  浏览/下载：38/0  |  提交时间：2015/11/17
Advanced astigmatism-corrected tandem Wadsworth mounting for small-scale spectral broadband imaging spectrometer (EI CONFERENCE) 会议论文  OAI收割
作者:  Lin G.-Y.
收藏  |  浏览/下载：35/0  |  提交时间：2013/03/25
Tandem gratings of double-dispersion mount make it possible to design an imaging spectrometer for the weak light observation with high spatial resolution  high spectral resolution  and high optical transmission efficiency. The traditional tandem Wadsworth mounting is originally designed to match the coaxial telescope and large-scale imaging spectrometer. When it is used to connect the off-axis telescope such as off-axis parabolic mirror  it presents lower imaging quality than to connect the coaxial telescope. It may also introduce interference among the detector and the optical elements as it is applied to the short focal length and small-scale spectrometer in a close volume by satellite. An advanced tandem Wadsworth mounting has been investigated to deal with the situation. The Wadsworth astigmatism-corrected mounting condition for which is expressed as the distance between the second concave grating and the imaging plane is calculated. Then the optimum arrangement for the first plane grating and the second concave grating  which make the anterior Wadsworth condition fulfilling each wavelength  is analyzed by the geometric and first order differential calculation. These two arrangements comprise the advanced Wadsworth mounting condition. The spectral resolution has also been calculated by these conditions. An example designed by the optimum theory proves that the advanced tandem Wadsworth mounting performs excellently in spectral broadband. 2012 Optical Society of America.  
Immersed nanospheres super-lithography for the fabrication of sub-70nm nanoholes with period below 700nm (EI CONFERENCE) 会议论文  OAI收割
2012 12th IEEE International Conference on Nanotechnology, NANO 2012, August 20, 2012 - August 23, 2012, Birmingham, United kingdom
作者:  Li S.;  Du J.;  Shi L.
收藏  |  浏览/下载：137/0  |  提交时间：2013/03/25
A maskless nano-lithography method by using polystyrene spheres (PSs) self-assembled on silver slab (NSSL) was proposed in [optics express  Vol. 16  No. 19 (2008) 14397]. Following that  to break the limitations in resolution and PSs period of NSSL method  in this paper  we present PSs immersed super-resolution lithography (NSISL) technology by embedding the PSs into appropriate material to improve the efficiency of the surface plasmon excitation. The energy modulating mechanism and the rules of the resolution affected by silver slab were studied by calculating and analysing the energy distribution. The curve of the lithography resolution versus the silver thickness was presented. In order to verify this method  contrast analysis was carried out with NSSL. The results show that the lithography resolution is improved efficiently. Taking a specific configuration with PS diameter of 600nm as an example  the resolution was improved to 54nm from 190nm with Ag thickness of 25nm. Based on the calculation results  we carried out the experiments. Nano holes with dimension of 75nm and period of 600nm were obtained. 2012 IEEE.  
Research on the torque characteristic of disc micromotor on axial magnetic field (EI CONFERENCE) 会议论文  OAI收割
2012 2nd International Conference on Consumer Electronics, Communications and Networks, CECNet 2012, April 21, 2012 - April 23, 2012, Three Gorges, China
Liu B.
收藏  |  浏览/下载：51/0  |  提交时间：2013/03/25
In order to increase the electromagnetic torque density of micromotor with axial magnetic field  numerical analysis of permanent magnetic field and electromagnetic torque were deduced and the key factors of increasing torque density of micromotor was obtained. The numerical analysis of three-dimensional magnetic field in air gap produced by spliced sector permanent magnetic poles is done  and the way of improving flux density and permanent magnet use efficiency are given through investigating the influence of magnet thickness  height of air gap and pole interval rate and other parameters to air gap flux density and leakage flux. Based on the test of axial magnetic field and torque characteristic of micromotor  the analysis of micromotor magnetic field and calculation of torque are verified  meanwhile using the plane stator with 0.7mm thickness assemble micromotor having minimum air gap height of 1mm and its torque constant up to 3.8mNm/A. 2012 IEEE.