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Optimization design of an interior permanent-magnet synchronous machine for a hybrid hydraulic excavator

Qi-huai CHEN,Qing-feng WANG,Tao WANG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 11,   Pages 957-968 doi: 10.1631/FITEE.1500056

Abstract: In this paper, a design process for permanent-magnet synchronous machines (PMSMs) in a hybrid hydraulicTo improve the air gap flux density distribution, the trapezoid permanent magnet (PM) and centrifugal

Keywords： Design     Hybrid hydraulic excavator (HHE)     Finite element method (FEM)     Interior permanent-magnet (PM) motor     PM synchronous machine (PMSM)    

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A New Model Using Multiple Feature Clustering and Neural Networks for Forecasting Hourly PM2.5 Article

Hui Liu, Zhihao Long, Zhu Duan, Huipeng Shi

Engineering 2020, Volume 6, Issue 8,   Pages 944-956 doi: 10.1016/j.eng.2020.05.009

Abstract:

Particulate matter with an aerodynamic diameter no greater than 2.5 μm (PM2.5) concentrationdecomposition (MCD)–echo state network (ESN)–particle swarm optimization (PSO), for multi-step PMThe clustered results of the PM2.5 concentration series are decomposed into several sublayersReal PM2.5 concentration data from four cities located in different zones in China are utilizedindicate that the proposed forecasting model is suitable for the multi-step high-precision forecasting of PM

Keywords： PM2.52.5浓度预测     PM2.52.5浓度聚类     经验小波分解     多步预测    

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Diverse bacterial populations of PM in urban and suburb Shanghai, China

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-020-1329-7

Abstract:

• Urban aerosols harbour diverse bacterial communities in Shanghai.

Keywords： PM2.5     Bacteria     16S rRNA     SEM analysis     Shanghai City    

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Temporal and spatial stability of the EM/PM molecular subtypes in adult diffuse glioma

Frontiers of Medicine 2023, Volume 17, Issue 2,   Pages 240-262 doi: 10.1007/s11684-022-0936-z

Abstract: After identifying conserved gene modules co-expressed with EGFR or PDGFRA (EM or PM), we recently proposedan EM/PM classification scheme for adult gliomas in a histological subtype- and grade-independent mannersamples, and clinical samples, we here demonstrate the temporal and spatial stability of the EM and PMThe EM and PM subtypes, which progress in a subtype-specific mode, are robustly maintained in pairedWithin individual gliomas, the EM/PM subtype was preserved across regions and single cells.

Keywords： glioma progression     molecular classification     EM/PM subtyping     intratumor heterogeneity    

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Temporal variation of PM-associated health effects in Shijiazhuang, Hebei

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1376-0

Abstract:

•Annual mean PM2.5 in Shijiazhuang were 87, 95, and 82 µg

Keywords： PM2.5     Health effects     Integrated exposure-response model     Shijiazhuang    

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The Potential Role of Powdery Mildew-Resistance Gene Pm40 in Chinese Wheat-Breeding Programs inthe Post-Pm21 Era Perspective

Shengwen Tang,Yuting Hu,Shengfu Zhong,Peigao Luo

Engineering 2018, Volume 4, Issue 4,   Pages 500-506 doi: 10.1016/j.eng.2018.06.004

Abstract: Powdery mildew-resistance (Pm) gene Pm21 was first transferred into wheat in the 1980sRecently, new Bgt isolates that are virulent to Pm21 have been identified in some wheat fieldsPm40 offers a broad spectrum of resistance to Bgt, which suggests that it is likelyafter Pm21 resistance is overcome by Bgt isolates.In addition, both Pm21 and Pm40 were derived from alien species, suggesting that the

Keywords： Wheat     Powdery mildew     Pm21     Pm40     Alien species     Native resistance    

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Modeling and control of a permanent magnet synchronous generator dedicated to standalone wind energy

Louar FATEH,Ouari AHMED,Omeiri AMAR,Djellad ABDELHAK,Bouras LAKHDAR

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 155-163 doi: 10.1007/s11708-016-0410-1

Abstract: To limit these inconveniences, certain manufacturers developed wind turbines based on synchronous machinesThe control of the permanent magnet synchronous generator (PMSG) can be affected with the implementation

Keywords： wind turbine     permanent magnet synchronous generator (PMSG)     converter     proportional-integral (PI)     control    

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Local and regional contributions to PM in the Beijing 2022 Winter Olympics infrastructure areas during

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1434-2

Abstract:

• Regional transportation contributed more than local emissions during haze episodes.

Keywords： 2022 Winter Olympics     PM2.5     Source apportionment    

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Anti-erosion elastic coating design based on synchronous fluctuation principle

Guo Yuanjun,Xiao Hualin,Xu Daqing,Li Wenbin

Strategic Study of CAE 2008, Volume 10, Issue 9,   Pages 60-63

Abstract: The condition of realized synchronous fluctuation of elastic coating channel border with the perturbation

Keywords： erosion     boundary layer     elastic channel border     elastic coating     synchronous fluctuation    

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PM2.5 over North China based on MODIS AOD and effect of meteorological elements during 2003‒2015

Youfang Chen, Yimin Zhou, Xinyi Zhao

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1202-8

Abstract: There were one high value center for PM2.5 pollution and two low value centers.In 2004, 2009 and after 2013, PM2.5 concentration was relatively low.making it unfavorable for the prediction and prevention of PM2.5 pollutions.The tempo-spatial characteristics of PM2.5 and the influence of meteorological elements on PM2.5 is discussedAlthough, in 2004, 2009 and dates after 2013, PM2.5 concentrations were relatively low.

Keywords： Aerosol optical depth     PM2.5     MODIS     Mixed effect model     Canonical correlation analysis    

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Analysis of flue gas pollutants deep-removal technology for coal-fired power plant

Zhang Xiaolu

Strategic Study of CAE 2014, Volume 16, Issue 10,   Pages 47-51

Abstract:

In recent years, frequent haze weather makes PM2.5 becoming the publicThe control of PM2.5 has been added in the 2012 release "ambient air quality standard".Under the situation that our current flue gas pollutant control technology is difficult to remove PM2.5the Flue Gas Pollutants Deep-removal Technology (DRT) for Coal-fired Power Plant for deep-removing PM2.5the necessity and existing problems of developing DRT suitable for China, this study focused on the PM2.5

Keywords： coal-fired power plant     flue gas pollutants     deep-removal     PM2.5 removal    

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Equivalent circuit and characteristic simulation of a brushless electrically excited synchronous wind

Hao WANG, Fengge ZHANG, Tao GUAN, Siyang YU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 420-426 doi: 10.1007/s11465-017-0439-9

Abstract:

A brushless electrically excited synchronous generator (BEESG) with a hybrid rotor is a novel electricallyexcited synchronous generator.

Keywords： wind power     brushless electrically excited synchronous generator     hybrid rotor     equivalent circuit    

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PM concentration declining saves health expenditure in China

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1690-4

Abstract:

● Monthly hospitalization expenses are sensitive to increases in PM

Keywords： Air pollution     Health expenditure     PM2.5 concentration     Economic impact     Heterogeneous effect    

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Robust nonlinear control via feedback linearization and Lyapunov theory for permanent magnet synchronous

Ridha CHEIKH, Arezki MENACER, L. CHRIFI-ALAOUI, Said DRID

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 180-191 doi: 10.1007/s11708-018-0537-3

Abstract: In this paper, the method for the nonlinear control design of a permanent magnet synchronous generator

Keywords： permanent magnet synchronous generator     wind energy conversion system     stochastic     differential geometric    

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Synchronous observation of rising soluble bubble through quiescent solution

Yifu ZHANG , Shuai TIAN , Weizhong LI , Yongchen SONG ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 307-312 doi: 10.1007/s11708-009-0028-7

Abstract: An experimental method using computer image processing technology (CIPT) was proposed to observe and investigate the velocity, deformation, heat and mass transfer, etc. of a rising soluble gas (CO) bubble through a quiescent hot water. A model was set up to describe the behavior of the bubble in a visual experimental system in which a high-speed camera rose instantaneously with the movement of the bubble. A series of trajectory videos about the bubble were recorded by a computer linked to the camera. The trajectory, volume changes and rate of mass transfer of the bubble were obtained by the CIPT. It is found that the single bubble follows a rolling trajectory at the initial stage when there is mass transfer. With the volume decreasing, the disturbed behavior of the bubble becomes tempered. When the rising velocity of the bubble reaches the maximum, the velocity is nearly at a constant. The experimental and analysis results show that this method is useful for the research on the mass transfer and the movement of rising bubbles in liquid.

Keywords： soluble bubble     mass transfer     synchronous observation     computer image processing    

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Title Author Date Type Operation

Optimization design of an interior permanent-magnet synchronous machine for a hybrid hydraulic excavator

Qi-huai CHEN,Qing-feng WANG,Tao WANG

Journal Article

A New Model Using Multiple Feature Clustering and Neural Networks for Forecasting Hourly PM2.5

Hui Liu, Zhihao Long, Zhu Duan, Huipeng Shi

Journal Article

Diverse bacterial populations of PM in urban and suburb Shanghai, China

Journal Article

Temporal and spatial stability of the EM/PM molecular subtypes in adult diffuse glioma

Journal Article

Temporal variation of PM-associated health effects in Shijiazhuang, Hebei

Journal Article

The Potential Role of Powdery Mildew-Resistance Gene Pm40 in Chinese Wheat-Breeding Programs inthe Post-Pm21 Era

Shengwen Tang,Yuting Hu,Shengfu Zhong,Peigao Luo

Journal Article

Modeling and control of a permanent magnet synchronous generator dedicated to standalone wind energy

Louar FATEH,Ouari AHMED,Omeiri AMAR,Djellad ABDELHAK,Bouras LAKHDAR

Journal Article

Local and regional contributions to PM in the Beijing 2022 Winter Olympics infrastructure areas during

Journal Article

Anti-erosion elastic coating design based on synchronous fluctuation principle

Guo Yuanjun,Xiao Hualin,Xu Daqing,Li Wenbin

Journal Article

PM2.5 over North China based on MODIS AOD and effect of meteorological elements during 2003‒2015

Youfang Chen, Yimin Zhou, Xinyi Zhao

Journal Article

Analysis of flue gas pollutants deep-removal technology for coal-fired power plant

Zhang Xiaolu

Journal Article

Equivalent circuit and characteristic simulation of a brushless electrically excited synchronous wind

Hao WANG, Fengge ZHANG, Tao GUAN, Siyang YU

Journal Article

PM concentration declining saves health expenditure in China

Journal Article

Robust nonlinear control via feedback linearization and Lyapunov theory for permanent magnet synchronous

Ridha CHEIKH, Arezki MENACER, L. CHRIFI-ALAOUI, Said DRID

Journal Article

Synchronous observation of rising soluble bubble through quiescent solution

Yifu ZHANG , Shuai TIAN , Weizhong LI , Yongchen SONG ,

Journal Article