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A systematic approach to ON-OFF event detection and clustering analysis of non-intrusive appliance load

Chuan Choong YANG,Chit Siang SOH,Vooi Voon YAP

Frontiers in Energy 2015, Volume 9, Issue 2,   Pages 231-237 doi: 10.1007/s11708-015-0358-6

Abstract: In this paper, a systematic approach to ON-OFF event detection and clustering analysis for NIALM wereAfter event detection, the events detected were paired into ON-OFF pairing appliances.The results from the ON-OFF pairing algorithm were further clustered in groups utilizing the -meansdetermination of the time duration an electrical appliance is turned ON through combination of event detection, ON-OFFpairing and -means clustering.

Keywords： non-intrusive appliance load monitoring     event detection     goodness-of-fit (GOF)     K-means clustering     ON-OFFpairing    

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Advanced purification and comprehensive utilization of yellow phosphorous off gas

Ping NING,Xiangyu WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 181-189 doi: 10.1007/s11783-014-0698-1

Abstract: Without appropriate purification and removal, this off gas has potential to cause severe pollution problemsPurified yellow phosphorous off gas can be beneficially reused as a raw material in chemical productionIn this paper, the significance of purification and reutilization of yellow phosphorous off gas are exploredprocesses, and main characteristics of the technologies for purification and reuse of yellow phosphorus offcomprehensive reutilization can be an effective solution for heavy pollution resulting from yellow phosphorous off

Keywords： yellow phosphorous off gas     purification     comprehensive utilization    

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Typical off-design analytical performances of internal combustion engine cogeneration

Xiaohong HE, Ruixian CAI

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 184-192 doi: 10.1007/s11708-009-0007-z

Abstract: Based on experimental data, typical off-design characteristic curves with corresponding formulas of internalrecovery steam generator (HRSG) and influence of ambient pressure on combined heat and power (CHP) system, off-design

Keywords： internal combustion engine (ICE)     cogeneration     heat recovery steam generator (HRSG)     off-design     superheated    

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Quantification of emission variability for off-road equipment in China based on real-world measurements

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1455-x

Abstract:

• Emissions from 53 in-use diesel-fueled off-road equipment were measured

Keywords： Off-road equipment     Portable emission measurement system (PEMS)     Real-world emissions     Diesel engine    

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Construction Technology of Off-Site Precast Concrete Buildings

Ting Gong,Jian Yang,Hao Hu,Feng Xu

Frontiers of Engineering Management 2015, Volume 2, Issue 2,   Pages 122-124 doi: 10.15302/J-FEM-2015039

Abstract: A comparison between traditional on-site and modern off-site construction methods has been conducted.

Keywords： off-site construction     precast concrete     modular construction     construction management     building information    

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Development and application of an off-site maintenance system in the petrochemical industry

Ruisheng YONG, Yanbing YE, Hanbin LUO, Lieyun DING

Frontiers of Engineering Management 2017, Volume 4, Issue 2,   Pages 111-126 doi: 10.15302/J-FEM-2017027

Abstract: and exposure to hazards during on-site operations and thereby reduce the probability of accidents, off-site

Keywords： on-site maintenance     petrochemical industry     safety     off-site maintenance system    

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Trace analysis of off-flavor/odor compounds in water using liquid-liquid microextraction coupled with

Jian LU,Paul S. WILLS,P. CHRIS WILSON

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 477-481 doi: 10.1007/s11783-015-0820-z

Abstract: A rapid, inexpensive and laboratory friendly method was developed for analysis of off-flavor/odor compoundsOff-flavor/odor compounds included geosmin, 2-methylisoborneol (MIB), 2-isobutyl-3-methyoxypyrazine (

Keywords： off-flavor/odor compounds     liquid-liquid microextraction     gas chromatography-tandem mass spectrometry    

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Can energy storage make off-grid photovoltaic hydrogen production system more economical?

Frontiers of Engineering Management   Pages 672-694 doi: 10.1007/s42524-022-0245-x

Abstract: Thus, the installation of energy-storage equipment in a PVEH system is a complex trade-off problem.

Keywords： hydrogen     off-grid photovoltaic     energy storage     LCOH     engineering economics    

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Constructing pairing-free certificateless public key encryption with keyword search Research Articles

Yang LU, Ji-guo LI

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 8,   Pages 1049-1060 doi: 10.1631/FITEE.1700534

Abstract: However, all of them were constructed with the costly bilinear pairing and thus are not suitable forSo, it is interesting and worthwhile to design a CLEKS scheme without using bilinear pairing.In this study, we put forward a pairing-free CLEKS scheme that does not exploit bilinear pairing.Efficiency comparison and the simulation show that it enjoys better performance than the previous pairing-based

Keywords： Searchable public key encryption     Certificateless public key encryption with keyword search     Bilinear pairing    

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Effect of heat transfer coefficient of steam turbine rotor on thermal stress field under off-design condition

Jie GUO,Danmei XIE,Hengliang ZHANG,Wei JIANG,Yan ZHOU

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 57-64 doi: 10.1007/s11708-015-0385-3

Abstract: The precise calculation of temperature and thermal stress field of steam turbine rotor under off-design

Keywords： steam turbine     rotor     thermal stress     heat transfer coefficient     empirical formula    

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Removal of multicomponent VOCs in off-gases from an oil refining wastewater treatment plant by a compost-based

Dan WU, Chunyan ZHANG, Li HAO, Changjun GENG, Xie QUAN,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 4,   Pages 483-491 doi: 10.1007/s11783-009-0144-y

Abstract: of the performance and feasibility of removing multicomponent volatile organic compounds (VOCs) in off-gasesThe results demonstrated that multicomponent VOCs in off-gases from the oil refining wastewater treatment

Keywords： biodegradation     volatile organic compounds (VOCs)     biofiltration     biofilter    

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Spatial channel pairing based coherent combining for relay networks Article

Feng SHU,Xiao-hui HUANG,Jin-song HU,Ting-ting LIU,Ri-qing CHEN,Xiao-hu YOU,Jun LI,Jin WANG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 9,   Pages 938-945 doi: 10.1631/FITEE.1500436

Abstract: In this paper, spatial channel pairing (SCP) is introduced to coherent combining at the relay in relay

Keywords： Spatial channel pairing     Coherent combining     Alternating iterative structure     Symbol error rate     Distributed    

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Airline planning and scheduling: Models and solution methodologies

Lei ZHOU, Zhe LIANG, Chun-An CHOU, Wanpracha Art CHAOVALITWONGSE

Frontiers of Engineering Management 2020, Volume 7, Issue 1,   Pages 1-26 doi: 10.1007/s42524-020-0093-5

Abstract: The airline industry is a representative industry with high cost and low profitability. Therefore, airlines should carefully plan their schedules to ensure that overall profit is maximized. We review the literature on airline planning and scheduling and focus on mathematical formulations and solution methodologies. Our research framework is anchored on three major problems in the airline scheduling, namely, fleet assignment, aircraft routing, and crew scheduling. General formulation, widely used solution approaches, and important extensions are presented for each problem and integrated problems. We conclude the review by identifying promising areas for further research.

Keywords： airline planning     fleet assignment problem     aircraft routing problem     crew pairing problem     crew rostering    

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Fast determination of tobramycin by reversed-phase ion-pair high performance liquid chromatography with a refractive index detector

Liang ZHU, Jingkang WANG

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 322-328 doi: 10.1007/s11705-013-1348-z

Abstract: A simple and direct method without a derivation step for routine analysis of tobramycin has been developed. This method used reversed-phase ion-pair high performance liquid chromatography (HPLC) with a refractive index (RI) detector and a C18 column which is stable at pH above 1.00. The presence of 4.50 mg·mL trifluoroacetic acid (TFA) in the mobile phase improved the protonation of tobramycin and the formation of ion-pairs, and thus reduced its hydrophility. This unique separation–detection combination showed good linearity with correlation coefficients 0.9996 in the concentration range of 0.25–2.50 mg·mL . The quantitation limit and detection limit were determined to be 0.23 mg·mL and 0.071 mg·mL , respectively. Tobramycin was recovered in 98.00%, 98.84% and 99.64% for tobramycin solutions at concentrations of 2.25 mg·mL , 1.50 mg·mL and 0.75 mg·mL , respectively. The relative standard deviations for six spiked samples ranged from 0.20% to 2.40%, indicating a good reproducibility of this method.

Keywords： tobramycin     aminoglycoside     refractive index detector     high-performance liquid chromatography     ion-pairing    

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Research on Microelectromagnetic Relays

LI De-sheng, LIU Ben-dong

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 111-114 doi: 10.1007/s11465-005-0013-8

Abstract: A complete magnetic circuit is composed, and the ON and OFF states are controlled by the current of the

Keywords： sacrifice-layer technology     OFF     complete     microelectromagnetic     Electromagnetic    

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Title Author Date Type Operation

A systematic approach to ON-OFF event detection and clustering analysis of non-intrusive appliance load

Chuan Choong YANG,Chit Siang SOH,Vooi Voon YAP

Journal Article

Advanced purification and comprehensive utilization of yellow phosphorous off gas

Ping NING,Xiangyu WANG

Journal Article

Typical off-design analytical performances of internal combustion engine cogeneration

Xiaohong HE, Ruixian CAI

Journal Article

Quantification of emission variability for off-road equipment in China based on real-world measurements

Journal Article

Construction Technology of Off-Site Precast Concrete Buildings

Ting Gong,Jian Yang,Hao Hu,Feng Xu

Journal Article

Development and application of an off-site maintenance system in the petrochemical industry

Ruisheng YONG, Yanbing YE, Hanbin LUO, Lieyun DING

Journal Article

Trace analysis of off-flavor/odor compounds in water using liquid-liquid microextraction coupled with

Jian LU,Paul S. WILLS,P. CHRIS WILSON

Journal Article

Can energy storage make off-grid photovoltaic hydrogen production system more economical?

Journal Article

Constructing pairing-free certificateless public key encryption with keyword search

Yang LU, Ji-guo LI

Journal Article

Effect of heat transfer coefficient of steam turbine rotor on thermal stress field under off-design condition

Jie GUO,Danmei XIE,Hengliang ZHANG,Wei JIANG,Yan ZHOU

Journal Article

Removal of multicomponent VOCs in off-gases from an oil refining wastewater treatment plant by a compost-based

Dan WU, Chunyan ZHANG, Li HAO, Changjun GENG, Xie QUAN,

Journal Article

Spatial channel pairing based coherent combining for relay networks

Feng SHU,Xiao-hui HUANG,Jin-song HU,Ting-ting LIU,Ri-qing CHEN,Xiao-hu YOU,Jun LI,Jin WANG

Journal Article

Airline planning and scheduling: Models and solution methodologies

Lei ZHOU, Zhe LIANG, Chun-An CHOU, Wanpracha Art CHAOVALITWONGSE

Journal Article

Fast determination of tobramycin by reversed-phase ion-pair high performance liquid chromatography with a refractive index detector

Liang ZHU, Jingkang WANG

Journal Article

Research on Microelectromagnetic Relays

LI De-sheng, LIU Ben-dong

Journal Article