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Influence of aeration intensity on the performance of A/O-type sequencing batch MBR system treating azo

Xinhua WANG, Jingmei LI, Xiufen LI, Guocheng DU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 615-622 doi: 10.1007/s11783-011-0362-y

Abstract: Among the numerous parameters affecting the membrane bioreactor (MBR) performance, the aeration intensityintensities and the impact of the aeration intensity on effluent quantity, sludge properties, extracellularNeither lower nor higher aeration intensities could improve A/O-type sequencing batch MBR performancesThe results showed 0.15 m ·h aeration intensity was promising for treatment of azo dye wastewater underUnder this aeration intensity, chemical oxygen demand (COD), ammonium nitrogen and color removal as well

Keywords： batch membrane bioreactor     azo dye     aeration intensity     extracellular polymeric substances     sludge properties    

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Mechanistic insight into the biofilm formation and process performance of a passive aeration ditch (PAD

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1494-3

Abstract:

• A Passive Aeration Ditch was developed to treat decentralized wastewater

Keywords： Decentralized wastewater     Passive aeration ditch     Biofilm formation     C/N ratio     Salinity     Model simulation    

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Characteristics of night soil and leaf co-composting using aerobic static method

Xiaojie SUN, Dunqiu WANG, Wenjing LU, Hongtao WANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 421-427 doi: 10.1007/s11783-011-0380-9

Abstract: Three influencing factors, including proportion of night soil and leaf, aeration rate and aeration patternThe 0.14 m ·min ·m aeration rate was most beneficial to composting, and the mixture of night soil andThe continuous aeration pattern during composting was superior to an intermittent aeration pattern, since

Keywords： night soil     leaf     aerobic compost     aeration rate     aeration pattern    

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Influence of sprinkler irrigation droplet diameter, application intensity and specific power on flower

Yisheng ZHANG, Delan ZHU

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 165-171 doi: 10.15302/J-FASE-2017145

Abstract: The influences of different parameters such as droplet diameter, application intensity, specific powerEquations of application intensity, specific power with sprinkler irrigation time and flower injury ratioApplication intensity was also correlated with injury when the droplet diameter was larger than 1 mm.duration of sprinkler irrigation was 1, 5 and 10 min, the threshold of impinging damage of application intensity

Keywords： application intensity     damage     floriculture     flowers     specific power     sprinkler irrigation    

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Performance of completely autotrophic nitrogen removal over nitrite process under different aeration

GUO Jinsong, YANG Guohong, FANG Fang, QIN Yu

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 439-445 doi: 10.1007/s11783-008-0046-4

Abstract: performance of completely autotrophic nitrogen removal over nitrite (CANON) process under different aerationWhereas in the intermittently-aerated reactor, at the aeration/non-aeration ratio of 1.0, ammonium wasalways under the detection limit and 86% of TN was removed with DO between 2.0–2.5 mg/L during the aerationResults show that CANON could be achieved in both continuous and intermittent aeration pattern.In addition, the DO in the CANON system should be adjusted to the aeration mode, and low DO was not a

Keywords： Synthetic wastewater     process     Whereas     biofilm     detection    

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Impact of inter-fuel substitution on energy intensity in Ghana

Boqiang LIN, Hermas ABUDU

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 27-41 doi: 10.1007/s11708-019-0656-5

Abstract: Energy intensity and elasticity, together with inter-fuel substitution are key issues in the currentThe current energy dynamics reveal the expected inverse relationship: higher energy intensity and lowerIt is observed further that the higher energy intensity invariably increases CO emission because approximatelyfuture scenario design was further conducted and the results were positive with growth, lower energy intensity

Keywords： energy intensity     energy elasticity     inter-fuel substitution prospects     energy contribution     Translog production    

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Engineering practice of mechanical soil aeration for the remediation of volatile organic compound-contaminated

Yan Ma, Xiaoming Du, Yi Shi, Deyi Hou, Binbin Dong, Zhu Xu, Huiying Li, Yunfeng Xie, Jidun Fang, Zheng Li, Yunzhe Cao, Qingbao Gu, Fasheng Li

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0870-x

Abstract: Engineering practice of mechanical soil aeration in China is reviewed.Mechanical soil aeration is a simple, effective, and low-cost soil remediation technique that is particularlyThis study reviews current engineering practice and developmental trends of mechanical soil aeration

Keywords： Soil contamination     Volatile organic compound     Mechanical soil aeration     Engineering practice     China    

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Dynamic mechanism for the decline of China’s energy intensity during the 11th FYP (Five-Year Plan)

Minghui LI

Frontiers in Energy 2011, Volume 5, Issue 3,   Pages 237-249 doi: 10.1007/s11708-010-0130-x

Abstract: From 2006 to 2009, the aggregate energy intensity of China fell by 14.38%, which means that China hasmade substantial progress towards its goal of achieving approximately a 20% reduction in energy intensityThis paper describes some new properties of the mechanism for the decrease in China’s energy intensitystructural energy savings are not the main factor, they are still a key factor for the decrease in energy intensityresidential energy savings are still a stable driver of momentum for the decline in China’s energy intensity

Keywords： energy intensity     structural energy savings     technical energy savings    

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Efficiency of scalar and vector intensity measures for seismic slope displacements

Gang WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 44-52 doi: 10.1007/s11709-012-0138-x

Abstract: Ground motion intensity measures are usually used to predict the earthquake-induced displacements inIn this study, the efficiency of various single ground motion intensity measures (scalar ) or a combinationAlthough no single intensity measure is efficient enough for all slope conditions, the spectral accelerationat 1.5 times of the initial slope period and Arias intensity of the input motion are found to be the

Keywords： seismic slope displacements     intensity measures     empirical prediction    

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Does financial development lower energy intensity?

Philip Kofi ADOM, Michael Owusu APPIAH, Mawunyo Prosper AGRADI

Frontiers in Energy 2020, Volume 14, Issue 3,   Pages 620-634 doi: 10.1007/s11708-019-0619-x

Abstract: However, the empirical evidence on the relationship between financial development and energy intensityGhana, this study provides an empirical answer to the question: does financial development lower energy intensityGenerally, the evidence revealed that financial development lowers energy intensity.

Keywords： financial development     energy intensity     energy efficiency     Ghana    

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Analysis on carbon emission reduction intensity of fuel cell vehicles from a life-cycle perspective

Frontiers in Energy doi: 10.1007/s11708-023-0909-1

Abstract: However, a sufficient hydrogen supply can significantly reduce the carbon intensity and FCV energy cost

Keywords： hydrogen energy     life-cycle assessment (LCA)     fuel cell vehicle     carbon emission     energy cost    

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Low intensity ultrasound stimulates biological activity of aerobic activated sludge

LIU Hong, YAN Yixin, WANG Wenyan, YU Yongyong

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 67-72 doi: 10.1007/s11783-007-0013-5

Abstract: This work aims to explore a procedure to improve biological wastewater treatment efficiency using low intensityThe highest OUR was observed at the ultrasonic intensity of 0.3 W/cm and an irradiation period of 10Therefore, to improve the wastewater treatment efficiency of bioreactors, ultrasound with an intensity

Keywords： sonication     irradiation     kHz     treatment efficiency     AS activity    

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Intensity Theory and Test Verification

Liu Dabin,Han Wenba,Cai Bingqing and Han Xiaodong

Strategic Study of CAE 2007, Volume 9, Issue 12,   Pages 44-52

Abstract: theories, Mohr´s intensity and a new balance particle intensity theories.other five intensity theory.This phenomenon cannot be well explained by the four classical intensity theories and Mohr’s intensityThe balance particle intensity theory figures out a contrary conclusion with the third intensity theoryand fourth intensity theory.

Keywords： intensity theory     test results     yield     stress state    

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CANON reactor performance and microbial community shifts with elevated COD/N ratios under a continuous aeration

Yao Zhang, Yayi Wang, Yuan Yan, Haicheng Han, Min Wu

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 1, doi: 10.1007/s11783-019-1095-6

Abstract:

COD/N at low ratios (0–0.82) improved N removals of CANON.

CANON performance decreased after COD/N up to 0.82.

The relative abundance of AOB decreased continuously with increasing COD/N.

AOB outcompeted at a high COD load led to CANON failure.

The relative abundance of AnAOB decreased and increased with increasing COD/N.

Keywords： CANON process     COD/N ratio     Anammox     Ammonia oxidizing bacteria     Aerobic heterotrophic bacteria    

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High-intensity focused ultrasound tumor ablation: Review of ten years of clinical experience

Lian ZHANG, Zhi-Biao WANG

Frontiers of Medicine 2010, Volume 4, Issue 3,   Pages 294-302 doi: 10.1007/s11684-010-0092-8

Abstract: High-intensity focused ultrasound (HIFU) is a technique to destroy tissue at depth within the body, selectivelywithout harming overlying and adjacent structures within the path of the beam because the ultrasonic intensity

Keywords： high-intensity focused ultrasound (HIFU)     ultrasound imaging-guided HIFU (USgHIFU)     magnetic resonance    

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Title Author Date Type Operation

Influence of aeration intensity on the performance of A/O-type sequencing batch MBR system treating azo

Xinhua WANG, Jingmei LI, Xiufen LI, Guocheng DU

Journal Article

Mechanistic insight into the biofilm formation and process performance of a passive aeration ditch (PAD

Journal Article

Characteristics of night soil and leaf co-composting using aerobic static method

Xiaojie SUN, Dunqiu WANG, Wenjing LU, Hongtao WANG

Journal Article

Influence of sprinkler irrigation droplet diameter, application intensity and specific power on flower

Yisheng ZHANG, Delan ZHU

Journal Article

Performance of completely autotrophic nitrogen removal over nitrite process under different aeration

GUO Jinsong, YANG Guohong, FANG Fang, QIN Yu

Journal Article

Impact of inter-fuel substitution on energy intensity in Ghana

Boqiang LIN, Hermas ABUDU

Journal Article

Engineering practice of mechanical soil aeration for the remediation of volatile organic compound-contaminated

Yan Ma, Xiaoming Du, Yi Shi, Deyi Hou, Binbin Dong, Zhu Xu, Huiying Li, Yunfeng Xie, Jidun Fang, Zheng Li, Yunzhe Cao, Qingbao Gu, Fasheng Li

Journal Article

Dynamic mechanism for the decline of China’s energy intensity during the 11th FYP (Five-Year Plan)

Minghui LI

Journal Article

Efficiency of scalar and vector intensity measures for seismic slope displacements

Gang WANG

Journal Article

Does financial development lower energy intensity?

Philip Kofi ADOM, Michael Owusu APPIAH, Mawunyo Prosper AGRADI

Journal Article

Analysis on carbon emission reduction intensity of fuel cell vehicles from a life-cycle perspective

Journal Article

Low intensity ultrasound stimulates biological activity of aerobic activated sludge

LIU Hong, YAN Yixin, WANG Wenyan, YU Yongyong

Journal Article

Intensity Theory and Test Verification

Liu Dabin,Han Wenba,Cai Bingqing and Han Xiaodong

Journal Article

CANON reactor performance and microbial community shifts with elevated COD/N ratios under a continuous aeration

Yao Zhang, Yayi Wang, Yuan Yan, Haicheng Han, Min Wu

Journal Article

High-intensity focused ultrasound tumor ablation: Review of ten years of clinical experience

Lian ZHANG, Zhi-Biao WANG

Journal Article