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Optimal operation of energy at hydrothermal power plants by simultaneous minimization of pollution and costs using improved ABC algorithm

Homayoun EBRAHIMIAN,Bahman TAHERI,Nasser YOUSEFI

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 426-432 doi: 10.1007/s11708-015-0376-4

Abstract: The aim of this paper is simultaneous minimization of hydrothermal units to reach the best solution byIn this type of optimization problem, all practical constraints of units were taken into account as muchThese constraints include the maximum and minimum output power of units, the constraints caused by the

Keywords： practical constraints of units     pollution function     inlet steam valve     up-ramp rate of units     improved ABC    

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Setting up a heart rate alarm limit to decrease oculocardiac reflex during strabismus surgery in children

ZHANG Kangkang, GU Enhua, LU Junjie

Frontiers of Medicine 2008, Volume 2, Issue 3,   Pages 295-297 doi: 10.1007/s11684-008-0056-4

Abstract: OCR was defined as a decrease of more than 10% from the baseline heart rate during operation.Heart rate decreased by (23 ± 19) bpm in group I and (35 ± 28) bpm in group II ( < 0.05).
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Start-up of PN-anammox system under low inoculation quantity and its restoration after low-loading rate

Guoliang Zhang, Liang Zhang, Xiaoyu Han, Shujun Zhang, Yongzhen Peng

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1324-z

Abstract: Abstract • PN-A was start-up under low inoculation amount and a higher NRR was achieved. • PN-anammoxThe nitrogen removal rate of 0.71 kgN/(m3·d) was obtained, which was far higher than the seed sludgeExperimental results suggest that increasing the nitrogen loading rate as well as the concentration ofAfterwards, effluent back-flow was added into the reactor to control the up-flow velocity.The partial nitritation and anammox activity were in balance, and an increase in nitrogen removal rate

Keywords： PN-anammox     Granular sludge     Excess nitrate build-up     Recovery strategy for partial nitrification     Aggressive    

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Energy conservation in China’s coal-fired power industry by installing advanced units and organized phasing

Weiliang WANG, Junfu LYU, Zheng LI, Hai ZHANG, Guangxi YUE, Weidou NI

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 798-807 doi: 10.1007/s11708-019-0633-z

Abstract: However, a review of the decline in the national average net coal consumption rate (NCCR) of China’scoal-fired power industry along with its development over the past few decades indicates that the up-gradationA quantitative study on the effect of the unit capacity structure up-gradation on the decline in the

Keywords： coal-fired power     energy conservation     net coal consumption rate     new installation     phasing out backward    

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A New Adaptive Frame Rate Upconversion Algorithm for Scan Rate Conversion and Its FPGA Implementation

Wu Yong,Zhang Guanglie,Zheng Nanning,Zhang Xia

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 56-62

Abstract:

In this paper, a new adaptive frame rate upconversion algorithm is presented, and its rapid implementationBy using a look-up table that corresponds to the adjustable parameter and employing FPGA, the algorithm

Keywords： scan format conversion     frame rate up-conversion     block-matching     motion compensation    

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Smoothing ramp events in wind farm based on dynamic programming in energy internet

Jiang LI, Guodong LIU, Shuo ZHANG

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 550-559 doi: 10.1007/s11708-018-0593-8

Abstract: When wind power is integrated into the main grid, ramp events caused by stochastic wind power fluctuationThis paper proposes a dynamic programming method in smoothing ramp events.show that the dynamic programming method proposed is effective for smoothing wind power and reducing ramp

Keywords： energy internet     wind power     ramp events     dynamic programming    

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Pragmatic multi-stage simulated annealing for optimal placement of synchrophasor measurement units in

Pathirikkat GOPAKUMAR,M. JAYA BHARATA REDDY,Dusmata Kumar MOHANTA

Frontiers in Energy 2015, Volume 9, Issue 2,   Pages 148-161 doi: 10.1007/s11708-015-0344-z

Abstract: Advanced real time monitoring is facilitated by incorporating synchrophasor measurement units such asphasor measurement units (PMUs) to the power grid monitoring system.locations in the smart power grid for installing PMUs in conjunction with existing conventional measurement units

Keywords： phasor measurement units (PMUs)     pragmatic PMU placement     simulated annealing (SA)     western region Indian    

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Distribution and potential ecological risk of heavy metals in the typical eco-units of Haihe River Basin

Jingling LIU,Tao YANG,Qiuying CHEN,Feng LIU,Binbin WANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 103-113 doi: 10.1007/s11783-014-0686-5

Abstract: distribution and characteristics of seven heavy metals in sediments located in the typical ecological units(eco-units) (e.g., rivers, lakes, and estuaries) of Haihe River Basin were analyzed.The results indicated that the concentration scales of As, Hg, Cr, Cd, Pb, Cu, and Zn in the eco-unitsThe risk order of the typical eco-units are as follows: Zhangweinan River (2278345.68)>Estuary (161914.74

Keywords： Haihe River Basin     ecological risk     eco-units     heavy metals    

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Reliability prediction and its validation for nuclear power units in service

Jinyuan SHI,Yong WANG

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 479-488 doi: 10.1007/s11708-016-0425-7

Abstract: In this paper a novel method for reliability prediction and validation of nuclear power units in serviceUsing these factors, the equivalent availability factor of nuclear power units in the following 3 yearsFurthermore, the reliability prediction method is validated using the nuclear power units in North Americanis found that the relative errors of the predicted equivalent availability factors for nuclear power unitsthus providing effective reliability management and maintenance optimization methods for nuclear power units

Keywords： nuclear power units in service     reliability     reliability prediction     equivalent availability factors    

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Structure controlling and process scale-up in the fabrication of nanomaterials

Chunzhong LI,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 1,   Pages 18-25 doi: 10.1007/s11705-009-0305-3

Abstract: The research on process engineering and scale-up will be very important for the commercial production

Keywords： scale-up     significant commercial     electroanalytical     engineering     laboratory    

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BUEES: a bottom-up event extraction system

Xiao DING,Bing QIN,Ting LIU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 7,   Pages 541-552 doi: 10.1631/FITEE.1400405

Abstract: In this paper, we present BUEES, a bottom-up event extraction system, which extracts events from the

Keywords： Event extraction     Unsupervised learning     Bottom-up    

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Capacity limitation of nuclear units in grid based on analysis of frequency regulation

Yiping DAI, Pan JIANG, Lin GAO, Weimin KAN, Xiaoqing XIAO, Ge JIN

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 148-154 doi: 10.1007/s11708-012-0174-1

Abstract: The increasing capacity of nuclear units in power grid poses threat to system stability and security.Load disturbance may cause overspeed of the units and trigger the overspeed protection controller (OPCBased on the analysis of frequency regulation, mathematic models for nuclear units in the grid are establishedThe critical action of the OPC is proposed as the constraint of safe operation for the units.This research can help to estimate the capacity limitation of nuclear units in the grid.

Keywords： nuclear units capacity     overspeed     primary frequency control (PFC)     second frequency control (SFC)    

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Working Up Green, and Living Up Green

Ji-shan He

Frontiers of Engineering Management 2014, Volume 1, Issue 1,   Pages 2-2 doi: 10.15302/J-FEM-2014002

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Occurrence and migration of microplastics and plasticizers in different wastewater and sludge treatment units

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1577-9

Abstract:

● Reduce the quantifying MPs time by using Nile red staining.

Keywords： Microplastics     Municipal wastewater treatment plant     Phthalate esters     Thermal hydrolysis    

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Jack up reliability analysis: An overview

Ahmad IDRIS, Indra Sati Hamonangan HARAHAP, Montasir Osman Ahmed ALI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 504-514 doi: 10.1007/s11709-017-0443-5

Abstract: Jack up is a mobile unit used for oil and gas exploration and production in offshore fields.On demand, the unit is moved and installed in a given location and used for a period up to 12 monthsoperation is evaluated in accordance with the guidelines of Site Specific Assessment (SSA) of jack upReliability analysis theories are one of the frameworks recommended for the safety assessment of the unitsthe areas that need further examination for improvement of the efficiency in safety assessment of the units

Keywords： jack up     reliability analysis     uncertainty analysis     review of jack up    

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Title Author Date Type Operation

Optimal operation of energy at hydrothermal power plants by simultaneous minimization of pollution and costs using improved ABC algorithm

Homayoun EBRAHIMIAN,Bahman TAHERI,Nasser YOUSEFI

Journal Article

Setting up a heart rate alarm limit to decrease oculocardiac reflex during strabismus surgery in children

ZHANG Kangkang, GU Enhua, LU Junjie

Journal Article

Start-up of PN-anammox system under low inoculation quantity and its restoration after low-loading rate

Guoliang Zhang, Liang Zhang, Xiaoyu Han, Shujun Zhang, Yongzhen Peng

Journal Article

Energy conservation in China’s coal-fired power industry by installing advanced units and organized phasing

Weiliang WANG, Junfu LYU, Zheng LI, Hai ZHANG, Guangxi YUE, Weidou NI

Journal Article

A New Adaptive Frame Rate Upconversion Algorithm for Scan Rate Conversion and Its FPGA Implementation

Wu Yong,Zhang Guanglie,Zheng Nanning,Zhang Xia

Journal Article

Smoothing ramp events in wind farm based on dynamic programming in energy internet

Jiang LI, Guodong LIU, Shuo ZHANG

Journal Article

Pragmatic multi-stage simulated annealing for optimal placement of synchrophasor measurement units in

Pathirikkat GOPAKUMAR,M. JAYA BHARATA REDDY,Dusmata Kumar MOHANTA

Journal Article

Distribution and potential ecological risk of heavy metals in the typical eco-units of Haihe River Basin

Jingling LIU,Tao YANG,Qiuying CHEN,Feng LIU,Binbin WANG

Journal Article

Reliability prediction and its validation for nuclear power units in service

Jinyuan SHI,Yong WANG

Journal Article

Structure controlling and process scale-up in the fabrication of nanomaterials

Chunzhong LI,

Journal Article

BUEES: a bottom-up event extraction system

Xiao DING,Bing QIN,Ting LIU

Journal Article

Capacity limitation of nuclear units in grid based on analysis of frequency regulation

Yiping DAI, Pan JIANG, Lin GAO, Weimin KAN, Xiaoqing XIAO, Ge JIN

Journal Article

Working Up Green, and Living Up Green

Ji-shan He

Journal Article

Occurrence and migration of microplastics and plasticizers in different wastewater and sludge treatment units

Journal Article

Jack up reliability analysis: An overview

Ahmad IDRIS, Indra Sati Hamonangan HARAHAP, Montasir Osman Ahmed ALI

Journal Article