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浏览/检索结果: 共15条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Application of a foam-based functionally graded porous material flow-distributor to PEM fuel cells 期刊论文  OAI收割 ENERGY, 2022, 卷号: 254, 页码: 20 作者:  Kermani, M. J.;  Moein-Jahromi, M.;  Hasheminasab, M. R.;  Ebrahimi, F.;  Wei, L.   |  收藏  |  浏览/下载：13/0  |  提交时间：2023/11/21 Functionally graded porous material  Foam-based flow distributor  Volumetric power density enhancement  Uniform flow distribution   Development of a variable-porosity metal-foam model for the next fuel cells flow-distributors 期刊论文  OAI收割 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2022, 卷号: 47, 期号: 7, 页码: 4772-4792 作者:  Kermani, M. J.;  Moein-Jahromi, M.;  Hasheminasab, M. R.;  Wei, L.;  Guo, J.   |  收藏  |  浏览/下载：11/0  |  提交时间：2023/11/21 Variable-porosity model  Functionally graded porous material (FGPM)  Metal foam  Volumetric-power-density  Streamlines customization  Uniform velocity distribution   Hydrodynamics of up-flow hybrid anaerobic digestion reactors with built-in bioelectrochemical system 期刊论文  OAI收割 JOURNAL OF HAZARDOUS MATERIALS, 2020, 卷号: 382, 页码: 1-21 作者:  Cui, Min-Hua;  Sangeetha, Thangavel;  Gao, Lei;  Wang, Ai-Jie   |  收藏  |  浏览/下载：15/0  |  提交时间：2021/09/15 Bioelectrochemical system  Electrode material and position  Residence time distribution  Computational fluid dynamics  Porous media model   Material flow analysis on critical raw materials of lithium-ion batteries in China 期刊论文  OAI收割 JOURNAL OF CLEANER PRODUCTION, 2019, 卷号: 215, 页码: 570, 581 作者:  Song, JL;  Yan, WY;  Cao, HB;  Song, QB;  Ding, H   |  收藏  |  浏览/下载：61/0  |  提交时间：2019/06/14 Lithium-ion batteries  LIFE-CYCLE ASSESSMENT  Dynamic material flow analysis  MAINLAND CHINA  Critical raw material  WASTE  Weibull lifetime distribution  EFFICIENCY  China  ALUMINUM  METAL  SUSTAINABILITY  AVAILABILITY  MANAGEMENT  NICKEL   Numerical Studies on the Failure Process of Heterogeneous Brittle Rocks or Rock-Like Materials under Uniaxial Compression 期刊论文  OAI收割 MATERIALS, 2017, 卷号: 10, 期号: 4 作者:  Guo, Songfeng;  Qi, Shengwen;  Zou, Yu;  Zheng, Bowen   |  收藏  |  浏览/下载：24/0  |  提交时间：2017/11/16 Material Heterogeneity  Progressive Failure  Stress Distribution  Uniaxial Compression   Statistical Characterization of the Mechanical Parameters of Intact Rock Under Triaxial Compression: An Experimental Proof of the Jinping Marble 期刊论文  OAI收割 ROCK MECHANICS AND ROCK ENGINEERING, 2016, 卷号: 49, 期号: 12, 页码: 4631-4646 作者:  Feng, Xia-Ting;  Jiang, Quan;  Zhong, Shan;  Cui, Jie;  Song, Leibo   |  收藏  |  浏览/下载：24/0  |  提交时间：2018/06/05 Rock material  Mechanical parameters  Triaxial strength  Probability distribution  Minimum sample size   Taste-masking mechanism of layer-by-layer self-assembly coating investigated by synchrotron radiation-based Fourier-transform infrared spectromicroscopy 期刊论文  OAI收割 Acta Pharmaceutica Sinica, 2016, 卷号: 51, 期号: 6, 页码: 985-990 作者:  Feng Jing;  Guo Zhen;  Wu Li;  Yin Xianzhen;  Wang Lebing   |  收藏  |  浏览/下载：29/0  |  提交时间：2019/01/08 taste masking  anion and cation interaction  film formation  synchrotron radiation-based Fourier-transform infrared spectromicroscopy  material distribution  ibuprofen   Preparation and sintering of nanometer W-2 wt.%Y2O3 composite powders 期刊论文  OAI收割 JOURNAL OF RARE EARTHS, 2015, 卷号: 33, 期号: 7, 页码: 752-757 Li Changji; Liu Shi; Xiong Liangyin; Wang Wentao 收藏  |  浏览/下载：16/0  |  提交时间：2016/04/21 W-2 wt.%Y2O3 composite material  lamellar nanometer powder  uniform distribution of Y  MA  SPS  rare earths   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.   Lightweight design of large scale theodolite's turntable based on topology optimization of continuum structure (EI CONFERENCE) 会议论文  OAI收割 2012 International Conference on Optoelectronics and Microelectronics, ICOM 2012, August 23, 2012 - August 25, 2012, Changchun, China 作者:  Wang Y.;  Wang Y.;  Wang Y.;  Wang Y.;  Wang Y. 收藏  |  浏览/下载：28/0  |  提交时间：2013/03/25 In order to solve the problem that the weight of large scale theodolite's casting or steel plate welded structure is too heavy  lightweight design of large scale turntable based on topology optimization of continuum structure is investigated. Topology optimization could have better optimization efficiency because it can provide the optimized distribution of material and gain optimized structure in conceptual design phase of the structural design. In order to obtain lightweight and high stiffness structure  a truss turntable based on topology optimization of continuum structure is presented  and the validity of this lightweight structure is examined by finite element analysis. Comparing to the traditional welding steel turntable  the lightweight turntable  without changing the static displacement  can lose 386.48 kg(lightweight ratio is 26.7%)  and its first-order natural frequency raises from 167.02Hz to 173.71Hz. Meanwhile  in other aspects this turntable also has better performance than traditional structure. 2012 IEEE.