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Critical flow-storm approach to total maximum daily load (TMDL) development: an analytical conceptual model

Zhang Harry, Yu Shaw

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 3,   Pages 267-273 doi: 10.1007/s11783-008-0058-0

Abstract: the absence of any guarantee that the most critical condition will be captured during the selected representativehydrologic period, given the scarcity of long-term continuous data.

Keywords： representative hydrologic     occurrence     simulation approach     scarcity     alternative    

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Substance flow analysis for an urban drainage system of a representative hypothetical city in China

Hua BAI, Siyu ZENG, Xin DONG, Jining CHEN

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 746-755 doi: 10.1007/s11783-013-0551-y

Abstract: intensities of water, chemical oxygen demand (COD), total nitrogen (TN) and total phosphorus (TP) for a representativeCompared with the representative hypothetical city of 2000, urban population and the area of urban built

Keywords： substance flow analysis (SFA)     urban drainage system     representative hypothetical city (RH city)     water    

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Hydrologic experiments and modeling of two laboratory bioretention systems under different boundary conditions

Ruifen Liu, Elizabeth Fassman-Beck

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0951-5

Abstract: Hydrologic performance of bioretention systems is significantly influenced by the media composition andThis research measured hydrologic performance of column-scale bioretention systems during a syntheticMore research is needed on the analysis and modeling of hydrologic process in bioretention with IWS drainage

Keywords： Bioretention     Hydrologic process     Underdrain configuration     SWMM     Modeling    

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REGIONAL ASSESSMENT OF SOIL NITROGEN MINERALIZATION IN DIVERSE CROPLAND OF A REPRESENTATIVE INTENSIVE

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 530-540 doi: 10.15302/J-FASE-2023515

Abstract:

Soil nitrogen mineralization (Nmin) is a key process that converts organic N into mineral N that controls soil N availability to plants. However, regional assessments of soil Nmin in cropland and its affecting factors are lacking, especially in relation to variation in elevation. In this study, a 4-week incubation experiment was implemented to measure net soil Nmin rate, gross nitrification (Nit) rate and corresponding soil abiotic properties in five field soils (A–C, maize; D, flue-cured tobacco; and E, vegetables; with elevation decreasing from A to E) from different altitudes in a typical intensive agricultural area in Dali City, Yunnan Province, China. The results showed that soil Nmin rate ranged from 0.10 to 0.17 mg·kg−1·d−1 N, with the highest value observed in field E, followed by fields D, C, B, and A, which indicated that soil Nmin and Nit rates varied between fields, decreasing with elevation. The soil Nit rate ranged from 434.2 to 827.1 µg·kg−1·h−1 N, with the highest value determined in field D, followed by those in fields E, C, B, and A. The rates of soil Nmin and Nit were positively correlated with several key soil parameters, including total soil N, dissolved organic carbon and dissolved inorganic N across all fields, which indicated that soil variables regulated soil Nmin and Nit in cropland fields. In addition, a strong positive relationship was observed between soil Nmin and Nit. These findings provide a greater understanding of the response of soil Nmin among cropland fields related to spatial variation. It is suggested that the soil Nmin from cropland should be considered in the evaluation of the N transformations at the regional scale.

Keywords： cropland     gross nitrification rate     regulatory factors     soil nitrogen mineralization     spatial variation    

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increasing numbers of RE-inverters on the power quality in the distribution grids: A PQ case study of a representative

Przemyslaw JANIK, Grzegorz KOSOBUDZKI, Harald SCHWARZ

Frontiers in Energy 2017, Volume 11, Issue 2,   Pages 155-167 doi: 10.1007/s11708-017-0469-3

Abstract: power quality (PQ) indicia of a wind generator and a photovoltaic installation considered to be the representative

Keywords： power quality     harmonics     sags     photovoltaic(PV) system     doubly feed induction generator (DFIG)     inverters    

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Thermal and catalytic pyrolysis of a synthetic mixture representative of packaging plastics residue

Simona Colantonio, Lorenzo Cafiero, Doina De Angelis, Nicolò M. Ippolito, Riccardo Tuffi, Stefano Vecchio Ciprioti

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2,   Pages 288-303 doi: 10.1007/s11705-019-1875-3

Abstract: A synthetic mixture of real waste packaging plastics representative of the residue from a material recovery

Keywords： packaging plastics waste     plasmix     pyrolysis     zeolite catalyst     degradation temperature    

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Computational model generation and RVE design of self-healing concrete

Md. Shahriar QUAYUM,Xiaoying ZHUANG,Timon RABCZUK

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 383-396 doi: 10.1007/s11709-015-0320-z

Abstract: Representative volume element (RVE) is a small (microscopic) cell which contains all the microphases

Keywords： homogenization     self-healing concrete (SHC)     representative volume element     multiscale modelling    

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Current progress on internal medicine in China—2006 Part II

YAO Dingkang, ZHU Liang, YU Renqian, MEI Changlin

Frontiers of Medicine 2007, Volume 1, Issue 4,   Pages 343-351 doi: 10.1007/s11684-007-0066-7

Abstract: Because there are so many articles on internal medicine, some representative reports were selected and

Keywords： endocrinology     rheumatology     hematology     nephrology     representative    

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Hydrologic and water quality performance of alaboratory scale bioretention unit

Jun Xia, Hongping Wang, RichardL. Stanford, Guoyan Pan, Shaw L. Yu

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-018-1011-5

Abstract: A bioretention unit (BRU) or cell is a green infrastructurepractice that is widely used as a low impact development (LID) techniquefor urban stormwater management. Bioretention is considered a goodfit for use in China’s sponge city construction projects. However,studies on bioretention design, which incorporates site-specific environmentaland social-economic conditions in China are still very much needed.In this study, an experimental BRU, consisted of two cells plantedwith and ,was tested with eighteen synthesizedstorm events. Three levels (high, median, low) of flows and concentrationsof pollutants (TN, TP and COD) were fed to the BRU and the performanceof which was examined. The results showed that the BRU not only delayedand lowered the peak flows but also removed TN, TP and COD in variousways and to different extents. Under the high, medium and low inflowrate conditions, the outflow peaks were delayed for at least 13 minutesand lowered at least 52%. The two cells stored a maximum of 231 mmand 265 mm for turf grass and respectively. For both cells the total depth available for storagewas 1,220 mm, including a maximum 110 mm deep ponding area. The largestinfiltrate rate was 206 mm/h for both cells with different plants.For the eighteen events, TP and COD were removed at least 60% and42% by mean concentration, and 65% and 49% by total load, respectively.In the reservoir layer, the efficiency ratio of removal of TN, TPand COD were 52%, 8% and 38%, respectively, within 5 days after runoffevents stopped. Furthermore, the engineering implication of the hydrologicaland water quality performances in sponge city construction projectsis discussed.

Keywords： Bioretention unit     Spongecity     Stormwater runoff     Peak reduction     Pollutant removal    

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Scheme and Techniques for Hierarchical Oranization of Video

Zhang Yujin,Lu Haibin

Strategic Study of CAE 2000, Volume 2, Issue 3,   Pages 18-22

Abstract: detect the boundary of shots and episodes, but also extract the key frames of shots and select the representative

Keywords： video     organization     browsing     shot     episode     key frame     representative frame    

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A Parallel Adaptive Metropolis Algorithm for Uncertainty

Cheng Chuntian,Li Xiangyang

Strategic Study of CAE 2007, Volume 9, Issue 9,   Pages 47-51

Abstract: Chain Monte Carlo (MCMC) methods,  which are popular for estimating parameters uncertainty of hydrologiceasy to get stuck in a local optimized region in the parametric space during uncertainty assessment of hydrologicthe Parallel Adaptive Metropolis (PAM) algorithm is presented to access the parameters uncertainty of hydrologic The PAM algorithm is applied to assess the parameter uncertainty of Xinanjiang model using hydrologic

Keywords： hydrologic model     uncertainty assessment     MCMC     PAM     parallel computing    

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Multiscale Homogenization Analysis of Alkali–Silica Reaction (ASR) Effect in Concrete Article

Roozbeh Rezakhani, Mohammed Alnaggar, Gianluca Cusatis

Engineering 2019, Volume 5, Issue 6,   Pages 1139-1154 doi: 10.1016/j.eng.2019.02.007

Abstract: First, the homogenized behavior of the representative volume element (RVE) of concrete simulated by ASR-LDPM

Keywords： Multiscale homogenization     Representative volume element     Alkali–silica reaction     Lattice discrete particle    

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Two-scale modeling of granular materials: A FEM-FEM approach

Yun-Zhu CAI, Yu-Ching WU

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 304-315 doi: 10.1007/s11709-013-0213-y

Abstract: which each particle is treated individually with the appropriate constitutive relations obtained from a representative

Keywords： homogenization     two-scale     representative volume element     compaction     granular assembly     finite element method    

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Schedule refinement for homogeneousmulti-core processors in the presence of manufacturing-caused heterogeneity

Zhi-xiang CHEN,Zhao-lin LI,Shan CAO,Fang WANG,Jie ZHOU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 12,   Pages 1018-1033 doi: 10.1631/FITEE.1500035

Abstract: In the scheme, representative chip operating points are selected and the corresponding optimal schedules

Keywords： Schedule refining     Multi-core processor     Heterogeneity     Representative chip operating point    

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Engineering Solutions for Representative Models of the Gastrointestinal Human-Microbe Interface

Marc Mac Giolla Eain, Joanna Baginska, Kacy Greenhalgh, Joëlle V. Fritz, Frederic Zenhausern, Paul Wilmes

Engineering 2017, Volume 3, Issue 1,   Pages 60-65 doi: 10.1016/J.ENG.2017.01.011

Abstract: talk (HuMiX) platform, one such system that leverages this multidisciplinary approach to provide a representative

Keywords： Microbiome     Microfluidics     Organ-on-a-chip     HuMiX    

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Title Author Date Type Operation

Critical flow-storm approach to total maximum daily load (TMDL) development: an analytical conceptual model

Zhang Harry, Yu Shaw

Journal Article

Substance flow analysis for an urban drainage system of a representative hypothetical city in China

Hua BAI, Siyu ZENG, Xin DONG, Jining CHEN

Journal Article

Hydrologic experiments and modeling of two laboratory bioretention systems under different boundary conditions

Ruifen Liu, Elizabeth Fassman-Beck

Journal Article

REGIONAL ASSESSMENT OF SOIL NITROGEN MINERALIZATION IN DIVERSE CROPLAND OF A REPRESENTATIVE INTENSIVE

Journal Article

increasing numbers of RE-inverters on the power quality in the distribution grids: A PQ case study of a representative

Przemyslaw JANIK, Grzegorz KOSOBUDZKI, Harald SCHWARZ

Journal Article

Thermal and catalytic pyrolysis of a synthetic mixture representative of packaging plastics residue

Simona Colantonio, Lorenzo Cafiero, Doina De Angelis, Nicolò M. Ippolito, Riccardo Tuffi, Stefano Vecchio Ciprioti

Journal Article

Computational model generation and RVE design of self-healing concrete

Md. Shahriar QUAYUM,Xiaoying ZHUANG,Timon RABCZUK

Journal Article

Current progress on internal medicine in China—2006 Part II

YAO Dingkang, ZHU Liang, YU Renqian, MEI Changlin

Journal Article

Hydrologic and water quality performance of alaboratory scale bioretention unit

Jun Xia, Hongping Wang, RichardL. Stanford, Guoyan Pan, Shaw L. Yu

Journal Article

Scheme and Techniques for Hierarchical Oranization of Video

Zhang Yujin,Lu Haibin

Journal Article

A Parallel Adaptive Metropolis Algorithm for Uncertainty

Cheng Chuntian,Li Xiangyang

Journal Article

Multiscale Homogenization Analysis of Alkali–Silica Reaction (ASR) Effect in Concrete

Roozbeh Rezakhani, Mohammed Alnaggar, Gianluca Cusatis

Journal Article

Two-scale modeling of granular materials: A FEM-FEM approach

Yun-Zhu CAI, Yu-Ching WU

Journal Article

Schedule refinement for homogeneousmulti-core processors in the presence of manufacturing-caused heterogeneity

Zhi-xiang CHEN,Zhao-lin LI,Shan CAO,Fang WANG,Jie ZHOU

Journal Article

Engineering Solutions for Representative Models of the Gastrointestinal Human-Microbe Interface

Marc Mac Giolla Eain, Joanna Baginska, Kacy Greenhalgh, Joëlle V. Fritz, Frederic Zenhausern, Paul Wilmes

Journal Article