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Seepage failure by heave in sheeted excavation pits constructed in stratified cohesionless soils

Serdar KOLTUK, Jie SONG, Recep IYISAN, Rafig AZZAM

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1415-1431 doi: 10.1007/s11709-019-0565-z

Abstract: is shown that the evaluation of base stabilities of excavation pits against seepage failure by using Terzaghiand Peck’s approach leads to considerably lower critical potential differences than those obtained frommodels with various dimensions and ground conditions, and a comparison between the results obtained from Terzaghiand Peck’s approach and finite element analyses is given.

Keywords： seepage failure by heave     cohesionless stratified soil     model test     Terzaghi and Peck’s approach     FE analysis    

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Governance approach to China’s environmental challenges: Towards a theoretical synthesis

QI Ye, XUE Lan, ZHANG Lingyun

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 385-400 doi: 10.1007/s11783-007-0066-5

Abstract: It documented the shift of approach from regulation to governance, and attempted to provide a comprehensive

Keywords： environmental governance     approach     temporal     regulation     various    

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Simultaneous harvesting and cell disruption of microalgae using ozone bubbles: optimization and characterization study for biodiesel production

Lim, Peck L. Kiew, Steven Lim, Siti S. Rosli, Chung Y. Wong, Pau L. Show, Keat T. Lee

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1257-1268 doi: 10.1007/s11705-020-2015-9

Abstract: In the present study, ozone was introduced as an alternative approach to harvest and disrupt microalgae

Keywords： microalgae     biodiesel     ozonation     pre-treatment     lipid    

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A novel approach for remanufacturing process planning considering uncertain and fuzzy information

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 546-558 doi: 10.1007/s11465-021-0639-1

Abstract: The solution is provided through an improved Takagi–Sugeno fuzzy neural network (T-S FNN) method.The effectiveness of the proposed approach is exemplified and elucidated by a case study.Results show that the training speed and accuracy of the improved T-S FNN method are 23.5% and 82.5%

Keywords： remanufacturing     uncertain and fuzzy information     process planning     T-S FNN    

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Optimization of WEDM process of pure titanium with multiple performance characteristics using Taguchi’sDOE approach and utility concept

Rupesh CHALISGAONKAR, Jatinder KUMAR

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 201-214 doi: 10.1007/s11465-013-0256-8

Abstract: Experiments were planned using Taguchi’s L27 orthogonal array.

Keywords： wire electro-discharge machining (WEDM)     Taguchi method     analysis of variance (ANOVA)     utility concept     cutting speed (CS)     surface roughness (SR)    

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RePizer: a framework for prioritization of software requirements Article

Saif Ur Rehman KHAN,Sai Peck LEE,Mohammad DABBAGH1,Muhammad TAHIR,Muzafar KHAN,Muhammad ARIF

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 8,   Pages 750-765 doi: 10.1631/FITEE.1500162

Abstract: The standard software development life cycle heavily depends on requirements elicited from stakeholders. Based on those requirements, software development is planned and managed from its inception phase to closure. Due to time and resource constraints, it is imperative to identify the high-priority requirements that need to be considered first during the software development process. Moreover, existing prioritization frameworks lack a store of historical data useful for selecting the most suitable prioritization technique of any similar project domain. In this paper, we propose a framework for prioritization of software requirements, called RePizer, to be used in conjunction with a selected prioritization technique to rank software requirements based on defined criteria such as implementation cost. RePizer assists requirements engineers in a decision-making process by retrieving historical data from a requirements repository. RePizer also provides a panoramic view of the entire project to ensure the judicious use of software development resources. We compared the performance of RePizer in terms of expected accuracy and ease of use while separately adopting two different prioritization techniques, planning game (PG) and analytical hierarchy process (AHP). The results showed that RePizer performed better when used in conjunction with the PG technique.

Keywords： Software requirements     Requirements prioritization techniques     Prioritization framework     Planning game     Analytical hierarchy process    

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A Bayesian modeling approach to bi-directional pedestrian flows in carnival events

S. Q. XIE, S. C. WONG, William H. K. LAM

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 483-489 doi: 10.15302/J-FEM-2017023

Abstract: Bi-directional pedestrian flows are common at crosswalks, footpaths, and shopping areas. However, the properties of pedestrian movement may vary in urban areas according to the type of walking facility. In recent years, crowd movements at carnival events have attracted the attention of researchers. In contrast to pedestrian behavior in other walking facilities, pedestrians whose attention is attracted by carnival displays or activities may slow down and even stop walking. The Lunar New Year Market is a traditional carnival event in Hong Kong held annually one week before the Lunar New Year. During the said event, crowd movements can be easily identified, particularly in Victoria Park, where the largest Lunar New Year Market in Hong Kong is hosted. In this study, we conducted a video-based observational survey to collect pedestrian flow and speed data at the Victoria Park Lunar New Year Market on the eve of the Lunar New Year. Using the collected data, an extant mathematical model was calibrated to capture the relationships between the relevant macroscopic quantities, thereby providing insight into pedestrian behavior at the carnival event. Bayesian inference was employed to calibrate the model by using prior data obtained from a previous controlled experiment. Results obtained enhance our understanding of crowd behavior under different conditions at carnival events, thus facilitating the improvement of the safety and efficiency of similar events in the future.

Keywords： pedestrian flow model     bi-directional interactions     empirical studies     Bayesian inference    

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A new and best approach for early detection of rotor and stator faults in induction motors coupled to

Abderrahim ALLAL,Boukhemis CHETATE

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 176-191 doi: 10.1007/s11708-015-0386-2

Abstract: In this paper, an approach called Park’s vector product approach (PVPA) was proposed which was endowedtechniques studied in recent publications such as motor square current signature analysis (MSCSA), Park’sFirst, the three-phase currents of the induction motor led to a Park’s vector.

Keywords： induction motor     incipient broken bar     extended Park’s vector approach     spectral analysis     inter-turn short-circuit    

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One-dimensional consolidation of over-consolidated soil under time-dependent loading

XIE Kanghe, WANG Kun, CHEN Guohong, HU Anfeng

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 1,   Pages 67-72 doi: 10.1007/s11709-008-0009-7

Abstract: It is shown that, unlike this described by traditional Terzaghi’s consolidation theory, the rate of excess

Keywords： different     FORTRAN programming     Terzaghi ’     pre-consolidation     magnitude    

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A multi-integrated approach on toxicity effects of engineered TiO

PAIXÃO,Liliana MOITA,Luis SILVA,Mário S.

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 793-803 doi: 10.1007/s11783-015-0775-0

Abstract: showed no effect on a 21 day survival test, though at a biochemical level the cytosolic Glutathione-S-Transferase

Keywords： ecotoxicity     enzymatic analysis     histology     transmission electron microscopy (TEM)     TiO2-nanoparticles    

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TRANSLATING THE MULTI-ACTOR APPROACH TO RESEARCH INTO PRACTICE USING A WORKSHOP APPROACH FOCUSING ON

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 3,   Pages 460-473 doi: 10.15302/J-FASE-2021416

Abstract:

The EIP-Agri multiactor approach was exemplified during a 3-day workshop with 63 project participantsfirsthand experience of participatory research among researchers who were mostly not familiar with this approacha common understanding of the pertinent issues that need to be addressed to meet overall multiactor-approach

Keywords： agroecology     codesign     intercropping     knowledge sharing     participatory methods    

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Comparison of surgical indications for hysterectomy by age and approach in 4653 Chinese women

Jingjing Jiang,Ting Ding,Aiyue Luo,Yunping Lu,Ding Ma,Shixuan Wang

Frontiers of Medicine 2014, Volume 8, Issue 4,   Pages 464-470 doi: 10.1007/s11684-014-0338-y

Abstract: The abdominal surgical approach was used in 84% of all hysterectomies.Surgeries using the vaginal approach required a significantly shorter operating time (118 min averageof both operating time and the amount of bleeding and blood transfusion volume required, the vaginal approach

Keywords： hysterectomy     surgical indications     surgical approach     bilateral oophorectomy    

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Hierarchical approach for fatigue cracking performance evaluation in asphalt pavements

Ibrahim ONIFADE, Yared DINEGDAE, Björn BIRGISSON

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 257-269 doi: 10.1007/s11709-017-0410-1

Abstract: In this paper, a hierarchical approach is proposed for the evaluation of fatigue cracking in asphaltBased on the developed hierarchical approach, three damage computation levels are identified and proposedThe hierarchical approach also provides a systematic approach for the understanding of the fundamental

Keywords： fatigue cracking     energy based     crack initiation     mechanistic approach     pavement analysis    

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

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 main concern in using a continuous simulation approach is the absence of any guarantee that the mostA practical, event-based critical flow-storm (CFS) approach was developed to explicitly addresses theThe CFS approach clearly defined a critical condition, obtained reasonable results and could be considered

Keywords： representative hydrologic     occurrence     simulation approach     scarcity     alternative    

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Promising approach for preparing metallic single-atom catalysts: electrochemical deposition

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 537-541 doi: 10.1007/s11708-022-0837-5

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Title Author Date Type Operation

Seepage failure by heave in sheeted excavation pits constructed in stratified cohesionless soils

Serdar KOLTUK, Jie SONG, Recep IYISAN, Rafig AZZAM

Journal Article

Governance approach to China’s environmental challenges: Towards a theoretical synthesis

QI Ye, XUE Lan, ZHANG Lingyun

Journal Article

Simultaneous harvesting and cell disruption of microalgae using ozone bubbles: optimization and characterization study for biodiesel production

Lim, Peck L. Kiew, Steven Lim, Siti S. Rosli, Chung Y. Wong, Pau L. Show, Keat T. Lee

Journal Article

A novel approach for remanufacturing process planning considering uncertain and fuzzy information

Journal Article

Optimization of WEDM process of pure titanium with multiple performance characteristics using Taguchi’sDOE approach and utility concept

Rupesh CHALISGAONKAR, Jatinder KUMAR

Journal Article

RePizer: a framework for prioritization of software requirements

Saif Ur Rehman KHAN,Sai Peck LEE,Mohammad DABBAGH1,Muhammad TAHIR,Muzafar KHAN,Muhammad ARIF

Journal Article

A Bayesian modeling approach to bi-directional pedestrian flows in carnival events

S. Q. XIE, S. C. WONG, William H. K. LAM

Journal Article

A new and best approach for early detection of rotor and stator faults in induction motors coupled to

Abderrahim ALLAL,Boukhemis CHETATE

Journal Article

One-dimensional consolidation of over-consolidated soil under time-dependent loading

XIE Kanghe, WANG Kun, CHEN Guohong, HU Anfeng

Journal Article

A multi-integrated approach on toxicity effects of engineered TiO

PAIXÃO,Liliana MOITA,Luis SILVA,Mário S.

Journal Article

TRANSLATING THE MULTI-ACTOR APPROACH TO RESEARCH INTO PRACTICE USING A WORKSHOP APPROACH FOCUSING ON

Journal Article

Comparison of surgical indications for hysterectomy by age and approach in 4653 Chinese women

Jingjing Jiang,Ting Ding,Aiyue Luo,Yunping Lu,Ding Ma,Shixuan Wang

Journal Article

Hierarchical approach for fatigue cracking performance evaluation in asphalt pavements

Ibrahim ONIFADE, Yared DINEGDAE, Björn BIRGISSON

Journal Article

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

Zhang Harry, Yu Shaw

Journal Article

Promising approach for preparing metallic single-atom catalysts: electrochemical deposition

Journal Article