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• OAI收割 [7]

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浏览/检索结果: 共7条，第1-7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 Advances in biological techniques for sustainable lignocellulosic waste utilization in biogas production 期刊论文  OAI收割 RENEWABLE & SUSTAINABLE ENERGY REVIEWS, 2022, 卷号: 170, 期号: -, 页码: - 作者:  Gao, Zhenghui;  Alshehri, Khaled;  Li, Yuan;  Qian, Hang;  Sapsford, Devin   |  收藏  |  浏览/下载：16/0  |  提交时间：2023/08/02 Lignocellulosic waste  Anaerobic digestion  Biogas production  Biomethane  Biological techniques   Equilibrium in production chains with multiple upstream partners 期刊论文  OAI收割 JOURNAL OF MATHEMATICAL ECONOMICS, 2019, 卷号: 83, 页码: 1-10 作者:  Yu, Meng;  Zhang, Junnan   |  收藏  |  浏览/下载：50/0  |  提交时间：2020/01/10 Production network  Firm boundaries  Monotone concave operator theory  Equilibrium uniqueness  Computational techniques   The effects of constraining variables on parameter optimization in carbon and water flux modeling over different forest ecosystems SCI/SSCI论文  OAI收割 2015 作者:  Liu M.;  He, H. L.;  Ren, X. L.;  Sun, X. M.;  Yu, G. R. 收藏  |  浏览/下载：32/0  |  提交时间：2015/12/09 Eddy covariance  Model data fusion  Parameter optimization  Forest  ecosystems  SIPNET  sensitivity-analysis techniques  net primary production  sub-alpine  forest  terrestrial ecosystems  nonlinear inversion  climate-change  mixed forest  data fusion  co2 fluxes  uncertainty   Design of a miniature axial flux flywheel motor with PCB winding for nanosatellites (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 Wu J. 收藏  |  浏览/下载：41/0  |  提交时间：2013/03/25 This paper presents the design and analysis of an axial flux permanent-magnet (AFPM) machine for nanosatellites application. It is a miniature axial flux surface mounted permanent magnet flywheel motor  using a printed circuit board (PCB) stator winding. The PCB stator has simplified the design and construction and avoids unnecessary space  since size reduction has become one of the most important aspects of flywheel motor design for nanosatellites. The performances of the machine are estimated by combination method of three-dimensional (3D) electromagnetic finite element analysis (FEA) and approximate theoretical analysis. The back EMF and electromagnetic torque are derived. A comparison between the analysis and experimental measurement results of the prototype machine is also presented. Both simulated and experimental results show that the proposed motor would be an acceptable solution for the nanosatellite applications with advantages such as simple structure and low-cost  as multi-layer circuit board production techniques have made the production of printed circuit coils cheaper and easier. 2012 IEEE.   New progress and development of engineering blasting in China 会议论文  OAI收割 9th International Symposium on Rock Fragmentation by Blasting, FRAGBLAST 9, Granada, Spain, September 13, 2009 - September 17, 2009 作者:  Wang XG;  Liu DS;  Zhou JH 收藏  |  浏览/下载：22/0  |  提交时间：2017/06/20 Adjacent structures  Blasting parameters  Collapsed structures  Demolition projects  Dust pollution  Explosion temperature  Fenghuo Shan tunnel  Geological conditions  High quality  High temperature  Hydropower projects  Major construction project  Overexcavation  Power station  Production techniques  Qinghai Tibet railway  Rock excavation  Smooth blasting  Soil environment  Underground plants  Underground powerhouse  Water conservancy  Weir structure   Mapping paddy rice agriculture in southern China using multi-temporal MODIS images SCI/SSCI论文  OAI收割 2005 Xiao X. M.; Boles S.; Liu J. Y.; Zhuang D. F.; Frolking S.; Li C. S.; Salas W.; Moore B. 收藏  |  浏览/下载：24/0  |  提交时间：2012/06/08 paddy rice fields  MODIS images  land surface water index  enhanced  vegetation index  vegetation sensor data  crop/soil simulation-model  assess methane  emissions  gross primary production  landsat tm  gis techniques  fields  water  area  asia   Erosion and Sediment Production in Small Watershed in Purple Hilly Areas and Prevention Techniques 期刊论文  OAI收割 Wuhan University Journal of Natural Sciences, 2003, 卷号: 8, 期号: 3B, 页码: 1041-1046 作者:  Zhang Bao-hua;  He Yu-rong;  Zhou Hong-yi;  Zhu Bo 收藏  |  浏览/下载：24/0  |  提交时间：2010/11/30 purple soil  characteristics of erosion and sediment production  influence factors  prevention techniques