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Analysis of catchment evapotranspiration at different scales using bottom-up and top-down approaches

Xiangyu XU, Dawen YANG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 65-77 doi: 10.1007/s11709-010-0002-9

Abstract: ., top-down approach) are used to predict actual evapotranspiration in nine sub-catchments, and the wholeFrom the analysis at different time scales through comparison of the top-down and the bottom-up methods

Keywords： catchment evapotranspiration     distributed hydrological model     water-energy balance model     top-down and bottom-up    

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Integrating Top-Down and Bottom-Up Approaches Improves Practicality and Efficiency of Large-Scale Ecological Article

Zhaowei Ding, Hua Zheng, Jun Wang, Patrick O´Connor, Cong Li, Xiaodong Chen, Ruonan Li, Zhiyun Ouyang

Engineering 2023, Volume 31, Issue 12,   Pages 50-58 doi: 10.1016/j.eng.2022.08.008

Abstract: Top-down approach-based spatial planning, emphasizing hierarchical control within government structuresThus, spatial optimization planning that integrates both top-down and bottom-up approaches can resultin more practical and effective ecological restoration than top-down approaches alone.

Keywords： Social-ecological system     Ecological restoration     Top-down approach     Bottom-up approach    

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Shanghai center project excavation induced ground surface movements and deformations

Guolin XU, Jiwen ZHANG, Huang LIU, Changqin REN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 26-43 doi: 10.1007/s11709-017-0439-1

Abstract: The construction of the Shanghai Center involved excavations in excess of 33-m-deep using the top-downmethod at a site underlain by thick deposits of marine soft clay.The field performance of another 21cylindrical excavations in top-down method were collected to compare

Keywords： deep excavation     foundation pit     soft clay     top-down method     field observation     ground surface movements     ground    

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Longwall Top Coal Caving Method and Its Future in China

Zhao Jingche

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 9-16

Abstract:

This paper gives a brief introduction of the longwall top coal caving (LTCC) method which has hadThe future of LTCC method is also predicted.

Keywords： coal mining     longwall top coal caving     roof control     recovery     coalmine safety    

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Ribbed strip rolling by three-dimensional finite element method combining extremely thin array of elements

Zhengyi JIANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 52-60 doi: 10.1007/s11465-009-0087-9

Abstract: adding a rib inclined contact surface boundary condition is derived, and the performance of the proposed methodThe simulated rib height, forward slip, and the pulling down of rib height have been compared with theThe effect of the rib inclined angle on pulling down of rib height has also been discussed, which is

Keywords： rib inclined contact boundary condition     ribbed strip     extremely thin elements     pulling down of rib height    

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Performance of a bi-layer solar steam generation system working at a high-temperature of top surface

Jinxin ZHONG, Congliang HUANG

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 141-148 doi: 10.1007/s11708-021-0725-4

Abstract: Then, using the finite element method to solve the model, the influences of some main factors on the

Keywords： solar steam generation     solar energy     numerical method     porous material    

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Comparison of membrane fouling in ultrafiltration of down-flow and up-flow biological activated carbon

Lu Ao, Wenjun Liu, Yang Qiao, Cuiping Li, Xiaomao Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1046-7

Abstract:

The UF membrane fouling by down- and up-flow BAC effluents were compareditemcontent>

Up-flow BAC effluent fouled the membrane faster than down-flow

Keywords： Ultrafiltration     Membrane fouling     Down-flow biological activated carbon     Up-flow biological activated carbon    

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Study on Down Knock-in Renewal Option Pricing

Wu Yun,He Jianmin

Strategic Study of CAE 2004, Volume 6, Issue 12,   Pages 47-50

Abstract: Then, the down knock-in renewal option pricing model and its solution are put forward.

Keywords： leasing     renewal     leasing option     real option     down knock-in option    

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Genomic Sequencing Costs Set to Head Down Again

Robert Pollie

Engineering 2023, Volume 23, Issue 4,   Pages 3-6 doi: 10.1016/j.eng.2023.02.002

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Analysis on Project Investment Decision Based on Down Knock-out Option and Game Theory

Wu Yun ,He Jianmin

Strategic Study of CAE 2005, Volume 7, Issue 9,   Pages 44-48

Abstract:

In this paper, firstly, the connotation and the solution of down knock-out option and the basic principleof real option are dissertated, then, the method applied in project investment decision based on down

Keywords： down knock-out option     real option     game theory     investment decision    

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Two-dimensional modeling of sintering of a powder layer on top of nonporous substrate

Tiebing CHEN, Yuwen ZHANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 143-148 doi: 10.1007/s11465-010-0006-0

Abstract: Selective laser sintering (SLS) of a two-component metal powder layer on the top of multiple sintered

Keywords： laser     sintering     melting     solidification     heat transfer    

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The most influential “Top 10 Events” in carbon neutrality and climate change in 2022

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 1-4 doi: 10.1007/s11708-023-0869-5

Abstract: . {{custom_ra.content}} . . . {{article.highlightEn}} . . . {{article.abstractEn}} . . . {{article.authorSummayEn}} .
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Erratum to: Folded down-conversion mixer for a 60 GHz receiver architecture in 65-nm CMOS technology

Najam Muhammad AMIN,Zhi-gong WANG,Zhi-qun LI

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 5, doi: 10.1631/FITEE.14e0087

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tertiary-air declination angle on combustion and steam temperature characteristics in a 350-MW supercritical down-fired

Xiaoguang LI, Lingyan ZENG, Hongye LIU, Yao LI, Yifu LI, Yunlong ZHAO, Bo JIAO, Minhang SONG, Shaofeng ZHANG, Zhichao CHEN, Zhengqi LI

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 132-142 doi: 10.1007/s11708-020-0803-z

Abstract: TDA) on the coal combustion and steam temperature characteristics in the first 350-MW supercritical down-fired

Keywords： supercritical down-fired boiler     industrial-scale experiment     tertiary air declination angle     coal combustion    

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Development of clean energy and environmental technologies to address humanity’s top problems

Geoff G. X. Wang

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 1,   Pages 1-2 doi: 10.1007/s11705-011-1145-5

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Title Author Date Type Operation

Analysis of catchment evapotranspiration at different scales using bottom-up and top-down approaches

Xiangyu XU, Dawen YANG,

Journal Article

Integrating Top-Down and Bottom-Up Approaches Improves Practicality and Efficiency of Large-Scale Ecological

Zhaowei Ding, Hua Zheng, Jun Wang, Patrick O´Connor, Cong Li, Xiaodong Chen, Ruonan Li, Zhiyun Ouyang

Journal Article

Shanghai center project excavation induced ground surface movements and deformations

Guolin XU, Jiwen ZHANG, Huang LIU, Changqin REN

Journal Article

Longwall Top Coal Caving Method and Its Future in China

Zhao Jingche

Journal Article

Ribbed strip rolling by three-dimensional finite element method combining extremely thin array of elements

Zhengyi JIANG,

Journal Article

Performance of a bi-layer solar steam generation system working at a high-temperature of top surface

Jinxin ZHONG, Congliang HUANG

Journal Article

Comparison of membrane fouling in ultrafiltration of down-flow and up-flow biological activated carbon

Lu Ao, Wenjun Liu, Yang Qiao, Cuiping Li, Xiaomao Wang

Journal Article

Study on Down Knock-in Renewal Option Pricing

Wu Yun,He Jianmin

Journal Article

Genomic Sequencing Costs Set to Head Down Again

Robert Pollie

Journal Article

Analysis on Project Investment Decision Based on Down Knock-out Option and Game Theory

Wu Yun ,He Jianmin

Journal Article

Two-dimensional modeling of sintering of a powder layer on top of nonporous substrate

Tiebing CHEN, Yuwen ZHANG,

Journal Article

The most influential “Top 10 Events” in carbon neutrality and climate change in 2022

Journal Article

Erratum to: Folded down-conversion mixer for a 60 GHz receiver architecture in 65-nm CMOS technology

Najam Muhammad AMIN,Zhi-gong WANG,Zhi-qun LI

Journal Article

tertiary-air declination angle on combustion and steam temperature characteristics in a 350-MW supercritical down-fired

Xiaoguang LI, Lingyan ZENG, Hongye LIU, Yao LI, Yifu LI, Yunlong ZHAO, Bo JIAO, Minhang SONG, Shaofeng ZHANG, Zhichao CHEN, Zhengqi LI

Journal Article

Development of clean energy and environmental technologies to address humanity’s top problems

Geoff G. X. Wang

Journal Article