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Effect of biological activated carbon filter depth and backwashing process on transformation of biofilm

Wanqi Qi, Weiying Li, Junpeng Zhang, Xuan Wu, Jie Zhang, Wei Zhang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 1, doi: 10.1007/s11783-019-1100-0

Abstract: listitem>

Microbial diversity decreased gradually with the increase of BAC filterdepth.itemcontent>

α-proteobacteria increased about 10% in all carbonfilter depth after backwash.

Keywords： Biological activated carbon     Biofilm     Community structure     Carbon filter depth     High-throughput sequencing    

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Nitrification and denitrification in biological activated carbon filter for treating high ammonia source

LIU Jianguang, ZHANG Xiaojian, WANG Zhansheng

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 94-98 doi: 10.1007/s11783-008-0020-1

Abstract: advanced treatment of a high concentration of 4-N micro-polluted source water by biological activated carbonfilter (BACF) was tested.high, the DO in water was almost depleted entirely by the nitrifying and hetetrophic bacteria in the depthof 0.4 m filter and the filter layer was divided into aerobic and anoxic zones.Due to the limited carbon source, the denitrification could not be carried out properly, which led to
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Exploiting a depth contextmodel in visual tracking with correlation filter Article

Zhao-yun CHEN, Lei LUO, Da-fei HUANG, Mei WEN, Chun-yuan ZHANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 5,   Pages 667-679 doi: 10.1631/FITEE.1500389

Abstract: Recently correlation filter based trackers have attracted considerable attention for their high computationalThis paper aims at preventing the tracker from failure in these two situations by integrating the depthinformation into a correlation filter based tracker.By using RGB-D data, we construct a depth context model to reveal the spatial correlation between the

Keywords： Visual tracking     Depth context model     Correlation filter     Region growing    

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Influence of pore structure on biologically activated carbon performance and biofilm microbial characteristics

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1419-1

Abstract:

• Pore structure affects biologically activated carbon performance.

Keywords： Granular activated carbon     Biologically activated carbon filter     Bacterial community structure     Pore    

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Investigating the raveling test for full-depth reclamation

Robert HILL, Andrew BRAHAM

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 222-226 doi: 10.1007/s11709-017-0423-9

Abstract: Full-Depth Reclamation (FDR) is a sustainable method of building pavement structure compared to more

Keywords： raveling     full depth reclamation    

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Multivariable regression model for Fox depth correction factor

Ravi Kant MITTAL, Sanket RAWAT, Piyush BANSAL

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 103-109 doi: 10.1007/s11709-018-0474-6

Abstract: This paper presents a simple and efficient equation for calculating the Fox depth correction factor usedClassical solution of Boussinesq theory was used originally to develop the Fox depth correction factoris straightforward, competent and easy to use for both manual and automated calculation of the Fox depthin the later part of the paper to analyse the extent of effect of a particular variable on the Fox depth

Keywords： settlement     embedment     Fox depth correction factor     regression     multivariable    

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Particle swarm optimization model to predict scour depth around a bridge pier

Shahaboddin SHAMSHIRBAND, Amir MOSAVI, Timon RABCZUK

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 855-866 doi: 10.1007/s11709-020-0619-2

Abstract: Scour depth around bridge piers plays a vital role in the safety and stability of the bridges.The former approaches used in the prediction of scour depth are based on regression models or black boxdevelop new equations using particle swarm optimization as a metaheuristic approach to predict scour depthMoreover, the ratio of pier width to flow depth and ratio of 50 (mean particle diameter) to flow depthThe derived equations can be used as a suitable proxy to estimate scour depth in both experimental and

Keywords： scour depth     bridge design and construction     particle swarm optimization     computational mechanics     artificial    

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Depth of cut models for multipass abrasive waterjet cutting of alumina ceramics with nozzle oscillation

Jun WANG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 19-32 doi: 10.1007/s11465-009-0082-1

Abstract: An experimental study of the depth of cut in multipass abrasive waterjet (AWJ) cutting of alumina ceramicsIt is found that this cutting technique can significantly increase the depth of cut by an average ofPredictive models for the depth of cut are then developed.

Keywords： abrasive waterjet     engineering ceramics     depth of cut     cutting performance     nozzle oscillation     machining    

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Advanced nitrogen and phosphorus removal in A

Jianhua WANG, Yongzhen PENG, Yongzhi CHEN

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 474-480 doi: 10.1007/s11783-011-0360-0

Abstract: anaerobic-anoxic-aerobic process (A O) with a small aerobic zone and a bigger anoxic zone and biologic aerated filter(A O-BAF) system was operated to treat low carbon-to-nitrogen ratio domestic wastewater.

Keywords： Anoxic zone and biologic aerated filter (A2O-BAF) system     domestic wastewater with low carbon-to-nitrogen    

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Implicit Heaviside filter with high continuity based on suitably graded THB splines

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 14-14 doi: 10.1007/s11465-021-0670-2

Abstract: problem of low continuity resulting from the discreteness of both design variables and explicit Heaviside filterIn this paper, an implicit Heaviside filter with high continuity is introduced to generate black andintrinsic local support and high continuity of THB basis, an implicit adaptively adjusted Heaviside filterThreefold advantages are attained in the proposed filter: a) The connection between analysis mesh andSeveral numerical examples are used to verify the effectiveness of the proposed implicit Heaviside filter

Keywords： optimization     truncated hierarchical B-spline     isogeometric analysis     black and white designs     Heaviside filter    

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Capturing the opportunities to initiate an in-depth integration of traditional Chinese medicine and western

Jia-Hua Qu,Bing Liu,Zhu-Qin Zhang,De-Pei Liu

Frontiers of Medicine 2014, Volume 8, Issue 3,   Pages 268-271 doi: 10.1007/s11684-014-0369-4

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Prediction of hydro-suction dredging depth using data-driven methods

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 652-664 doi: 10.1007/s11709-021-0719-7

Abstract: ) methods, and simple equations methods were applied to simulate the maximum hydro-suction dredging depth

Keywords： sedimentation     water resources     dam engineering     machine learning     heuristic    

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Anovel approach of noise statistics estimate using H∞ filter in target tracking

Xie WANG,Mei-qin LIU,Zhen FAN,Sen-lin ZHANG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 5,   Pages 449-457 doi: 10.1631/FITEE.1500262

Abstract: First, we apply the H∞ filter to obtain the system state estimates without the common assumptions aboutThen by applying state estimates obtained from the H∞ filter, better estimates of the noise mean and

Keywords： Noise estimate     H∞     filter     Target tracking    

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Isolation and application of an ibuprofen-degrading bacterium to a biological aerated filter for the

Bingjie Xu, Gang Xue, Xing Yang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1080-5

Abstract: listitem>

• Strain BL1 was applied to a laboratory-scale biological aerated filterlistitem>

• Strain BL1 was stable in both static tests and in the biological aerated filter

Keywords： Ibuprofen     Biological aerated filter     Degrading bacterium     Serratia marcescens    

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Carbonation depth prediction of fly ash concrete subjected to 2- and 3-dimensional CO attack

CHEN Shudong, SUN Wei, ZHANG Yunsheng, GUO Fei

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 395-400 doi: 10.1007/s11709-008-0046-2

Abstract: The time-dependent coefficient of carbon dioxide diffusion and the interaction coefficients of 2D and
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Title Author Date Type Operation

Effect of biological activated carbon filter depth and backwashing process on transformation of biofilm

Wanqi Qi, Weiying Li, Junpeng Zhang, Xuan Wu, Jie Zhang, Wei Zhang

Journal Article

Nitrification and denitrification in biological activated carbon filter for treating high ammonia source

LIU Jianguang, ZHANG Xiaojian, WANG Zhansheng

Journal Article

Exploiting a depth contextmodel in visual tracking with correlation filter

Zhao-yun CHEN, Lei LUO, Da-fei HUANG, Mei WEN, Chun-yuan ZHANG

Journal Article

Influence of pore structure on biologically activated carbon performance and biofilm microbial characteristics

Journal Article

Investigating the raveling test for full-depth reclamation

Robert HILL, Andrew BRAHAM

Journal Article

Multivariable regression model for Fox depth correction factor

Ravi Kant MITTAL, Sanket RAWAT, Piyush BANSAL

Journal Article

Particle swarm optimization model to predict scour depth around a bridge pier

Shahaboddin SHAMSHIRBAND, Amir MOSAVI, Timon RABCZUK

Journal Article

Depth of cut models for multipass abrasive waterjet cutting of alumina ceramics with nozzle oscillation

Jun WANG

Journal Article

Advanced nitrogen and phosphorus removal in A

Jianhua WANG, Yongzhen PENG, Yongzhi CHEN

Journal Article

Implicit Heaviside filter with high continuity based on suitably graded THB splines

Journal Article

Capturing the opportunities to initiate an in-depth integration of traditional Chinese medicine and western

Jia-Hua Qu,Bing Liu,Zhu-Qin Zhang,De-Pei Liu

Journal Article

Prediction of hydro-suction dredging depth using data-driven methods

Journal Article

Anovel approach of noise statistics estimate using H∞ filter in target tracking

Xie WANG,Mei-qin LIU,Zhen FAN,Sen-lin ZHANG

Journal Article

Isolation and application of an ibuprofen-degrading bacterium to a biological aerated filter for the

Bingjie Xu, Gang Xue, Xing Yang

Journal Article

Carbonation depth prediction of fly ash concrete subjected to 2- and 3-dimensional CO attack

CHEN Shudong, SUN Wei, ZHANG Yunsheng, GUO Fei

Journal Article