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BUEES: a bottom-up event extraction system
Xiao DING,Bing QIN,Ting LIU
《信息与电子工程前沿(英文)》 2015年 第16卷 第7期 页码 541-552 doi: 10.1631/FITEE.1400405
Analysis of catchment evapotranspiration at different scales using bottom-up and top-down approaches
Xiangyu XU, Dawen YANG,
《结构与土木工程前沿(英文)》 2010年 第4卷 第1期 页码 65-77 doi: 10.1007/s11709-010-0002-9
关键词: catchment evapotranspiration distributed hydrological model water-energy balance model top-down and bottom-up approaches
Lili QU,Tianzhu ZHANG,Wei LU
《环境科学与工程前沿(英文)》 2014年 第8卷 第4期 页码 570-579 doi: 10.1007/s11783-013-0604-2
关键词: China crop residue recycling potential technology options
自上而下和自下而上相结合提高大规模生态修复规划的实用性和效率——来自社会-生态系统的启示 Article
Zhaowei Ding, Hua Zheng, Jun Wang, Patrick O´Connor, Cong Li, Xiaodong Chen, Ruonan Li, Zhiyun Ouyang
《工程(英文)》 2023年 第31卷 第12期 页码 50-58 doi: 10.1016/j.eng.2022.08.008
Ecological restoration policies and their implementation are influenced by ecological and socioeconomic drivers. Top-down approach-based spatial planning, emphasizing hierarchical control within government structures, and without a comprehensive consideration of social–ecological interactions may result in implementation failure and low efficiency. Although many researchers have indicated the necessity to engage social–ecological interactions between stakeholders in effective planning processes, socioeconomic drivers of ecological restoration on a large scale are difficult to quantify because of data scarcity and knowledge limitations. Here, we established a new ecological restoration planning approach linking a social–ecological system framework to large-scale ecological restoration planning. The new spatial planning approach integrates bottom-up approaches targeting stakeholder interests and provides social considerations for stakeholder behavior analysis. Based on this approach, a meta-analysis is introduced to recognize key socioeconomic and social–ecological factors influencing large-scale ecological restoration implementation, and a stochastic model is constructed to analyze the impact of socioeconomic drivers on the behavior of authorities and participants on a large scale. We used the Yangtze River Basin-based Conversion of Cropland to Forest Program (CCFP), one of the largest payments for ecosystem service programs worldwide, to quantify the socioeconomic impacts of large-scale ecological restoration programs. Current CCFP planning without socioeconomic considerations failed to achieve large-scale program goals and showed low investment efficiency, with 19.71% of the implemented area reconverting to cropland after contract expiry. In contrast, spatial matching between planned and actual restoration increased from 61.55% to 81.86% when socioeconomic drivers were included. In addition, compared to that with the current CCFP implementation, the cost effectiveness of spatial planning with social considerations improved by 46.94%. Thus, spatial optimization planning that integrates both top-down and bottom-up approaches can result in more practical and effective ecological restoration than top-down approaches alone. Our new approach incorporates socioeconomic factors into large-scale ecological restoration planning with high practicality and efficiency.
关键词: Social-ecological system Ecological restoration Top-down approach Bottom-up approach
Jun YAO, Wenbing LI, Fangfang XIA, Jing WANG, Chengran FANG, Dongsheng SHEN
《能源前沿(英文)》 2011年 第5卷 第3期 页码 340-348 doi: 10.1007/s11708-010-0131-9
关键词: MSWI bottom ash Cu leaching batch titration procedure SEP
Boran WU, Dongyang WANG, Xiaoli CHAI, Fumitake TAKAHASHI, Takayuki SHIMAOKA
《环境科学与工程前沿(英文)》 2016年 第10卷 第4期 doi: 10.1007/s11783-016-0847-9
关键词: Bottom ash Chlorine Heavy metals Waste inputs Synchrotron X-ray diffraction AlOCl
Leaching toxicity characteristics of municipal solid waste incineration bottom ash
Khamphe PHOUNGTHONG,Yi XIA,Hua ZHANG,Liming SHAO,Pinjing HE
《环境科学与工程前沿(英文)》 2016年 第10卷 第2期 页码 399-411 doi: 10.1007/s11783-015-0819-5
关键词: Municipal solid waste incineration bottom ash alternative material leaching tests toxicity Vibrio qinghaiensis (Q67)
Structure controlling and process scale-up in the fabrication of nanomaterials
Chunzhong LI,
《化学科学与工程前沿(英文)》 2010年 第4卷 第1期 页码 18-25 doi: 10.1007/s11705-009-0305-3
关键词: scale-up significant commercial electroanalytical engineering laboratory
《结构与土木工程前沿(英文)》 页码 1145-1162 doi: 10.1007/s11709-023-0945-2
关键词: seismic resilience self-centering rubber layer flag-shaped hysteresis loop parametric study
Working Up Green, and Living Up Green
Ji-shan He
《工程管理前沿(英文)》 2014年 第1卷 第1期 页码 2-2 doi: 10.15302/J-FEM-2014002
杜洪池,杨宁
《中国工程科学》 2012年 第14卷 第5期 页码 19-22
泰州大桥北锚碇沉井封底总方量超过30 000 m3,为目前国内立方量最大的水下封底混凝土施工工程,其施工难度大,现场组织要求高。从沉井清基、封底设备布置、封底混凝土施工工艺等方面概略介绍泰州大桥北锚碇沉井封底施工技术。
Dynamics simulation of bottom high-sediment sea water movement under waves
Xueyi YOU , Wei LIU , Houpeng XIAO ,
《结构与土木工程前沿(英文)》 2009年 第3卷 第3期 页码 312-315 doi: 10.1007/s11709-009-0037-y
关键词: volume of fluid (VOF) method high sediment sea water numerical simulation interface trace Navier-Stokes (N-S) theory
林海峰,张冬冬,赵启林
《中国工程科学》 2012年 第14卷 第5期 页码 106-112
针对悬浇预应力混凝土箱梁桥合龙段底板在合龙索张拉过程中经常发生分层破坏的现象,介绍了混凝土多种破坏准则,并从理论上指出最大拉应力准则不适用于箱梁桥合龙段的底板抗裂设计,而应该采用双向应力状态下的混凝土强度破坏准则。选取多座典型破坏桥梁与未发生破坏桥梁为研究对象,建立了桥梁结构的三维实体有限元模型,得出合龙段底板预应力管道之间的竖向应力与纵向应力,进而利用不同混凝土破坏准则分别对典型桥梁的应力状态及安全性做了预测,并与桥梁实测结果进行了对比,证明了理论分析的正确性。研究结论可为同类桥梁的抗裂设计提供参考。
Jack up reliability analysis: An overview
Ahmad IDRIS, Indra Sati Hamonangan HARAHAP, Montasir Osman Ahmed ALI
《结构与土木工程前沿(英文)》 2018年 第12卷 第4期 页码 504-514 doi: 10.1007/s11709-017-0443-5
关键词: jack up reliability analysis uncertainty analysis review of jack up
Performance of a novel bent-up bars system not interacting with concrete
Aydin SHISHEGARAN, Mohammad Reza GHASEMI, Hesam VARAEE
《结构与土木工程前沿(英文)》 2019年 第13卷 第6期 页码 1301-1315 doi: 10.1007/s11709-019-0552-4
关键词: bending capacity rubber tube stress transfer bent-up bars ductility cracking
标题 作者 时间 类型 操作
Analysis of catchment evapotranspiration at different scales using bottom-up and top-down approaches
Xiangyu XU, Dawen YANG,
期刊论文
Assessing the potential of crop residue recycling in China and technology options based on a bottom-up
Lili QU,Tianzhu ZHANG,Wei LU
期刊论文
自上而下和自下而上相结合提高大规模生态修复规划的实用性和效率——来自社会-生态系统的启示
Zhaowei Ding, Hua Zheng, Jun Wang, Patrick O´Connor, Cong Li, Xiaodong Chen, Ruonan Li, Zhiyun Ouyang
期刊论文
Investigation of Cu leaching from municipal solid waste incinerator bottom ash with a comprehensive approach
Jun YAO, Wenbing LI, Fangfang XIA, Jing WANG, Chengran FANG, Dongsheng SHEN
期刊论文
Characterization of chlorine and heavy metals for the potential recycling of bottom ash from municipal
Boran WU, Dongyang WANG, Xiaoli CHAI, Fumitake TAKAHASHI, Takayuki SHIMAOKA
期刊论文
Leaching toxicity characteristics of municipal solid waste incineration bottom ash
Khamphe PHOUNGTHONG,Yi XIA,Hua ZHANG,Liming SHAO,Pinjing HE
期刊论文
Parametric study on seismic performance of self-centering reinforced concrete column with bottom-placed
期刊论文
Dynamics simulation of bottom high-sediment sea water movement under waves
Xueyi YOU , Wei LIU , Houpeng XIAO ,
期刊论文
Jack up reliability analysis: An overview
Ahmad IDRIS, Indra Sati Hamonangan HARAHAP, Montasir Osman Ahmed ALI
期刊论文