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Spatial and temporal evolution patterns of material, energy and carbon emission nexus for power generation infrastructure in China 期刊论文  OAI收割
RESOURCES CONSERVATION AND RECYCLING, 2023, 卷号: 190, 页码: 106775
作者:  
Li, Ding;  Shen, Lei;  Zhong, Shuai;  Elshkaki, Ayman;  Li, Xinming
  |  收藏  |  浏览/下载:21/0  |  提交时间:2023/06/10
粤港澳大湾区典型固废综合处置园区能量代谢特征研究 期刊论文  OAI收割
环境科学学报, 2022, 卷号: 42, 期号: 12, 页码: 481
作者:  
李啸;  石垚;  金炳界;  张晨牧;  顾四海
  |  收藏  |  浏览/下载:0/0  |  提交时间:2023/05/22
杂交狼尾草厌氧发酵的物质与能量转化率分析 期刊论文  OAI收割
农业工程学报, 2017, 卷号: 33, 期号: 19, 页码: 236-241
作者:  
甄峰;  孙永明;  孔晓英;  牛红志
  |  收藏  |  浏览/下载:42/0  |  提交时间:2018/12/21
杂交狼尾草厌氧发酵的物质与能量转化率分析 期刊论文  OAI收割
农业工程学报, 2017, 卷号: 33, 期号: 19, 页码: 236-241
作者:  
甄峰;  孙永明;  孔晓英;  牛红志
  |  收藏  |  浏览/下载:31/0  |  提交时间:2018/12/21
百吨/年规模生物质水相合成航油类烃过程的物质与能量转化 期刊论文  OAI收割
天津大学学报:自然科学与工程技术版, 2017, 卷号: 50, 期号: 1, 页码: 13-18
作者:  
张琦;  李宇萍;  陈伦刚;  王铁军;  刘琪英
  |  收藏  |  浏览/下载:31/0  |  提交时间:2018/12/21
Efficiency evaluation of material and energy flows, a case study of Chinese cities SCI/SSCI论文  OAI收割
2016
作者:  
Song T.;  Yang, Z. S.;  Chahine, T.
  |  收藏  |  浏览/下载:35/0  |  提交时间:2017/11/09
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.
收藏  |  浏览/下载:144/0  |  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.  
Optical system of large relative aperture and wide field using aspheric corrector for detecting (EI CONFERENCE) 会议论文  OAI收割
4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, November 19, 2008 - November 21, 2008, Chengdu, China
作者:  
Zhang J.;  Zhang J.;  Zhang J.;  Wang J.
收藏  |  浏览/下载:25/0  |  提交时间:2013/03/25
The magnitude requirement of space target detecting determines that the image of detecting telescope should have several performances: small spots  the wider field of view  small 80% encircled energy diameter and good MTF(Modulation transfer function). So the aperture and field of view of optical system have some demands accordingly. The larger aperture  the more extensive range which the telescope searches. Now most of ground telescopes whose apertures are from 500mm to 1000mm is on-axis optical system  the more energy that telescope collects and higher magnitude the telescope detects  so wide field of view becomes the most importance problem. To obtain large relative aperture and wide field of view  the paper introduces a catadioptric telescope with small aperture aspheric refractive corrector  whose conic surface will be used to remove the aberrations due to large relative aperture and wide field of view. As to the optical system  there is only one aspheric refractive corrector  and it is relatively easy for manufacturing because of its concave figure and normal material. The paper gives the example  and optimizes this optical system with ZEMAX program. And then the paper provides a specific analysis program for testing the aspheric refractive corrector. The aperture of this optical system is 750mm  and its relative aperture is 0.82  and the field of view is 3.6 diameter(diagonal). Its structure is simple and the image quality is also very good. 2009 SPIE.  
Space optics remote sensor focusing components mechanics characteristic analysis based on FEM (EI CONFERENCE) 会议论文  OAI收割
International Symposium on Photoelectronic Detection and Imaging 2009: Material and Device Technology for Sensors, June 17, 2009 - June 19, 2009, Beijing, China
作者:  
收藏  |  浏览/下载:167/0  |  提交时间:2013/03/25
Space optical remote sensor is very important in many fields of science and military significance. It is widely applied. Space optical remote sensor design and manufacturing require precision and stability. Focusing mechanics is an important component of remote sensors. Focusing mechanics can guarantee the stability of the entire mechanics focusing accuracy  therefore the stability of research focusing mechanics is very important. In order to guarantee the space optics remote sensor focusing mechanics the stability  takes steps the space optics remote sensor focusing organization mechanics characteristic analysis from the classics contact theory. This article uses international general non-linear finite element analysis software ABAQUS to carry on mechanics characteristic analysis to the space optics remote sensor focusing mechanics. First acts according to the focusing mechanics unique feature  carries on the finite element to the structural model the grid division  the material attribute disposition and the boundary condition indeed grades. Then establishment contact non-linear finite element model  and to focusing organization finite element model infliction unit action. Like this contacts the result and the equivalent static analysis result which the nonlinear analysis obtains carries on the contrast and the analysis. This article last count result modality is 90HZ  satisfies the space optics remote sensor structure overall modality to request to be bigger than 50HZ.This article when carries on the dynamic analysis  extracts the structure kinetic energy and the acceleration curve. In the dynamic analysis obtained transient response analysis modality 70.5Hz  this also is bigger than 50HZ. The dynamic analysis indicated the structure dynamic stability has the distinct enhancement  has provided certain foundation for the space optics remote sensor following development work  reduced the overall system development cycle. 2009 SPIE.