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Short-term prediction of influent flow rate and ammonia concentration in municipal wastewater treatment plants

Shuai MA, Siyu ZENG, Xin DONG, Jining CHEN, Gustaf OLSSON

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1,   Pages 128-136 doi: 10.1007/s11783-013-0598-9

Abstract: data filtering using wavelet decomposition and reconstruction; 2) typical cycle identification using powerspectrum density analysis; 3) fitting and prediction model establishment based on an autoregressive

Keywords: influent load prediction     wavelet de-noising     power spectrum density     autoregressive model     time-frequency    

Large eddy simulation of turbulent buffet forces in flow induced vibration

XI Zhide, CHENG Bingde, LI Pengzhou

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 524-527 doi: 10.1007/s11708-008-0099-x

Abstract: between the pressure vessel and the core barrel of the1:5 model in the second phase of Qinshan Nuclear PowerThe results show that the Power Spectrum Density (PSD) of LES from the calculation and the test are in

Keywords: Spectrum Density     Smagorinsky sub-grid     vibration     calculation     Qinshan Nuclear    

Tripotassium citrate monohydrate derived carbon nanosheets as a competent assistant to manganese dioxide with remarkable performance in the supercapacitor

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3,   Pages 420-432 doi: 10.1007/s11705-021-2065-7

Abstract: and manganese dioxide/carbon nanosheets as the anode was assembled, achieving an outstanding energy densityof 54.68 Wh·kg–1 and remarkable power density of 6399.2 W·kg–1 superior to conventionalTwo assembled asymmetric supercapacitors in series charged for 3 min could power a yellow light emitting

Keywords: carbon nanosheets     manganese dioxide     asymmetric supercapacitors     energy density     power density    

Investigation on available wind energy at Tungku beach

M. G. YAZDANI, M. A. SALAM

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 275-279 doi: 10.1007/s11708-012-0194-x

Abstract: The average generated power (forenoon and afternoon) is found to be 25 (mean) and 18 W (median), 101The power density for wind farming is found to be 0.26 (mean) and 0.19 (median), 0.31 (mean) and 0.22

Keywords: wind velocity     temperature     tower height     power density     Raleigh distribution     electrical power    

Mirror system based therapy for autism spectrum disorders

CHEN Wei, ZHANG Jing, DING Jun

Frontiers of Medicine 2008, Volume 2, Issue 4,   Pages 344-347 doi: 10.1007/s11684-008-0065-3

Abstract: autisms’ cognitive research and mirror systems and introduces a new hypothesis about the causes of autism spectrum

Keywords: emotional cognition     observation     activation     spectrum     empirical research    

Assessment of wind energy potential in Gaza Strip

Juma Yousuf ALAYDI

Frontiers in Energy 2011, Volume 5, Issue 3,   Pages 297-304 doi: 10.1007/s11708-010-0134-6

Abstract: Gaza Strip in order to evaluate the wind regimes for installing wind energy conversion systems for powerThe vertical extrapolation was based on the power-law expression, and the wind energy and potential haveConsequently, the wind power is estimated by adoption of the Weibull distribution expression.

Keywords: wind data     wind resource assessment     wind power density     wind energy     the Weibull distribution and Weibull    

Solar fuel from photo-thermal catalytic reactions with spectrum-selectivity: a review

Sanli TANG, Jie SUN, Hui HONG, Qibin LIU

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 437-451 doi: 10.1007/s11708-017-0509-z

Abstract: This paper reviews different approaches for solar fuel production from spectrum-selective photo-thermalThe review begins with the meaning of synergetic effects, and the mechanisms of spectrum-selectivityIn addition, these works are summarized and tabulated based on the operating conditions, spectrum-selectivitydiscussion is finally presented concerning future development of photo-thermal catalytic reactions with spectrum-selectivity

Keywords: photo-thermal catalysis     spectrum-selectivity     solar fuel     full-spectrum    

Contact fatigue life prediction of a bevel gear under spectrum loading

Pan JIA, Huaiju LIU, Caichao ZHU, Wei WU, Guocheng LU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 123-132 doi: 10.1007/s11465-019-0556-8

Abstract: typical torque–time history on the driven axle is described, followed by the construction of program load spectrum

Keywords: bevel gear     rolling contact fatigue (RCF)     multiaxial fatigue criterion     load spectrum     damage accumulation    

Evaluation of the wind energy potential of two south west sites in Nigeria

Olaleye M. AMOO

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 237-246 doi: 10.1007/s11708-012-0201-2

Abstract: The wind power density variation based on the Weibull analysis ranges from 4.26 to 24.51 W/m for Abeokuta

Keywords: wind potential     wind speed     wind power density     wind gust     turbulence intensity     Nigeria    

Detection of geosmin and 2-methylisoborneol by liquid-liquid extraction-gas chromatograph mass spectrum(LLE-GCMS) and solid phase extraction-gas chromatograph mass spectrum (SPE-GCMS)

MA Xiaoyan, CHEN Beibei, LI Qingsong, ZHANG Qiaoli, GU Guofen

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 286-291 doi: 10.1007/s11783-007-0048-7

Abstract: adopted in liquid-liquid extraction (LLE), and the extracts were analyzed by gas chromatograph mass spectrum

Keywords: summer     flocculation     simple     Shanghai     spectrum    

Viability of Harvesting Salinity Gradient (Blue) Energy by Nanopore-Based Osmotic Power Generation Article

Zhangxin Wang, Li Wang, Menachem Elimelech

Engineering 2022, Volume 9, Issue 2,   Pages 51-60 doi: 10.1016/j.eng.2021.02.016

Abstract: new technology for harvesting salinity gradient (blue) energy, namely nanopore powerWe show that although NPG membrane coupons can theoretically generate ultrahigh power density under idealconditions, the resulting power density in practical operations at a coupon scale can hardly reach 10&For module-scale NPG operation, we estimate both the power density and specific extractable energy (i.edensity (< 0.1 W·m−2).

Keywords: Nanopore power generator     Salinity gradient (blue) energy     Power density     Specific extractable energy    

Development Status and Strategic Research of Graphene-Base Supercapacitors

Chen Jing, Guo Hongxia, Mao Weiguo, Liu Jianhong, Fu Yongsheng, Ouyang Xiaoping

Strategic Study of Chinese Academy of Engineering 2018, Volume 20, Issue 6,   Pages 75-81 doi: 10.15302/J-SSCAE-2018.06.012

Abstract: advantages of both common capacitors and chemical batteries, and have significant advantages such as high powerdensity, fast charging & discharging speed, and long cycle life.

Keywords: graphene     supercapacitor     electrode material     power density     energy density    

Presentation of regression analysis, GP and GMDH models to predict the pedestrian density in various

Frontiers of Structural and Civil Engineering   Pages 250-265 doi: 10.1007/s11709-021-0785-x

Abstract: In this study, the relationship between space mean speed (SMS), flow rate and density of pedestriansRegression analysis was then applied to determine the relationship between SMS, flow rate, and densityFinally, two prediction models of density were obtained using genetic programming (GP) and group methodalso indicated that GP had a higher R2 than GMDH in the prediction of pedestrian densityFinally, density relationships in all facilities were obtained in terms of SMS and flow rate.

Keywords: pedestrian density     regression analysis     GP model     GMDH model    

PSD Analysis on Track Irregularity of Railway Linefor Passenger Transport

Chen Xiufang,Jin Shouhua,Zeng Hualiang

Strategic Study of Chinese Academy of Engineering 2008, Volume 10, Issue 4,   Pages 56-59

Abstract: Based on the stationary character test of the samples, FFT method was used to evaluate the spectrum ofthe statistical sample space, and MATLAB soft was used to get the PSD(power spectral sensity) of track

Keywords: railway line for passenger transport     track irregularity     power spectral density     stationary character    

Wavelet Analysis of a Sort of Multidimension Stochastic System

Xia Xuewen

Strategic Study of Chinese Academy of Engineering 2004, Volume 6, Issue 11,   Pages 43-46

Abstract: b9e410ef3fe14041a300eca2d8253b69.png" width="374" />is studied, using wavelet analysis and its average power, density degree and wavelet expansion and corelation of expansion coefficient are obtained.

Keywords: stochastic system     density degree     wavelet expansion     average power     corelation    

Title Author Date Type Operation

Short-term prediction of influent flow rate and ammonia concentration in municipal wastewater treatment plants

Shuai MA, Siyu ZENG, Xin DONG, Jining CHEN, Gustaf OLSSON

Journal Article

Large eddy simulation of turbulent buffet forces in flow induced vibration

XI Zhide, CHENG Bingde, LI Pengzhou

Journal Article

Tripotassium citrate monohydrate derived carbon nanosheets as a competent assistant to manganese dioxide with remarkable performance in the supercapacitor

Journal Article

Investigation on available wind energy at Tungku beach

M. G. YAZDANI, M. A. SALAM

Journal Article

Mirror system based therapy for autism spectrum disorders

CHEN Wei, ZHANG Jing, DING Jun

Journal Article

Assessment of wind energy potential in Gaza Strip

Juma Yousuf ALAYDI

Journal Article

Solar fuel from photo-thermal catalytic reactions with spectrum-selectivity: a review

Sanli TANG, Jie SUN, Hui HONG, Qibin LIU

Journal Article

Contact fatigue life prediction of a bevel gear under spectrum loading

Pan JIA, Huaiju LIU, Caichao ZHU, Wei WU, Guocheng LU

Journal Article

Evaluation of the wind energy potential of two south west sites in Nigeria

Olaleye M. AMOO

Journal Article

Detection of geosmin and 2-methylisoborneol by liquid-liquid extraction-gas chromatograph mass spectrum(LLE-GCMS) and solid phase extraction-gas chromatograph mass spectrum (SPE-GCMS)

MA Xiaoyan, CHEN Beibei, LI Qingsong, ZHANG Qiaoli, GU Guofen

Journal Article

Viability of Harvesting Salinity Gradient (Blue) Energy by Nanopore-Based Osmotic Power Generation

Zhangxin Wang, Li Wang, Menachem Elimelech

Journal Article

Development Status and Strategic Research of Graphene-Base Supercapacitors

Chen Jing, Guo Hongxia, Mao Weiguo, Liu Jianhong, Fu Yongsheng, Ouyang Xiaoping

Journal Article

Presentation of regression analysis, GP and GMDH models to predict the pedestrian density in various

Journal Article

PSD Analysis on Track Irregularity of Railway Linefor Passenger Transport

Chen Xiufang,Jin Shouhua,Zeng Hualiang

Journal Article

Wavelet Analysis of a Sort of Multidimension Stochastic System

Xia Xuewen

Journal Article