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Study on indepth filtration mechanism and characteristicsof the long fiber efficient filter

Wang Shihe,Zhou Fei ,Yan Lu

Strategic Study of CAE 2009, Volume 11, Issue 2,   Pages 43-47

Abstract:

Through long- time filtering experiment in water treatment plant, indepthfiltration mechanism and characteristics of the long fiber efficient filter , which has been patentedIt was found that deposit lapse with depth of filter bed until exhaustion.It presents research direction for development of filter technique.

Keywords： long fiber efficient filter     indepth filtration     mechanism    

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Massively efficient filter for topology optimization based on the splitting of tensor product structure

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0710-6

Abstract: In this work, we put forward a massively efficient filter for topology optimization (TO) utilizing theAfterwards, an explicit sensitivity filter, which is decomposed by the splitting pipeline as that appliedcompared with the traditional filter.Therefore, the proposed filter is massively improved by the splitting of tensor product structure anddelivers a much more efficient way of solving TO problems in the frameworks of isogeometric analysis

Keywords： topology optimization     isogeometric analysis     finite element analysis     tensor product structure     sensitivity analysis    

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Fabrication of recyclable Fe chelated aminated polypropylene fiber for efficient clean-up of phosphate

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 840-852 doi: 10.1007/s11705-022-2253-0

Abstract: Herein, a Fe3+-loaded aminated polypropylene fiber has been reported as an efficient phosphateThe remarkable phosphate removal ability of the fiber is due to Fe3+ immobilization, and itAdsorption experiments showed that the fiber is applicable over a wide pH range from 2 to 9.The adsorption equilibrium of the fiber for phosphate was reached within 60 min, indicating an efficientOverall, this study proves that the fiber possesses many advantages for phosphate removal, including

Keywords： phosphate adsorption     aminated polypropylene fiber     Fe3+     ligand exchange     reusability    

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Efficient utilization of wind power: Long-distance transmission or local consumption?

Yuanzhang SUN, Xiyuan MA, Jian XU, Yi BAO, Siyang LIAO

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 440-455 doi: 10.1007/s11465-017-0440-3

Abstract: Excess wind power produced in wind-intensive areas is normally delivered to remote load centers via long-distanceThis paper presents a comparison between long-distance transmission, which has gained popularity, andFirst, the challenges and solutions to the long-distance transmission and local consumption of wind powerIn the long term, the transfer of high-energy-consumption industries to wind-rich areas and their local

Keywords： wind power     long-distance transmission     local consumption     supermicrogrid    

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A multi-modular shunt active power filter system and its novel fault-tolerant strategy based on split-phase None

Qun-wei XU, Jin-xiang ZHAN, Long XIAO, Guo-zhu CHEN

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 9,   Pages 1166-1179 doi: 10.1631/FITEE.1601296

Abstract:

We first present a new multi-modular shunt active power filter system suitable for large-capacity

Keywords： Shunt active power filter     Fault-tolerant topology     Split-phase control     Bus communication    

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Synergistic effect of V and Fe in Ni/Fe/V ternary layered double hydroxides for efficient and durable

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 102-115 doi: 10.1007/s11705-022-2179-6

Abstract: Importantly, NiFeV-LDH shows extraordinary long-term stability (≥ 75 h) at an extremely high current

Keywords： oxygen evolution reaction     electrocatalysts     ternary layered double hydroxides     long-term stability    

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Micro-sized hydrothermal carbon supporting metal oxide nanoparticles as efficient catalyst for mono-dehydration

Cheng PAN, Chao FAN, Wanqin WANG, Teng LONG, Benhua HUANG, Donghua ZHANG, Peigen SU, Aqun ZHENG, Yang

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 822-839 doi: 10.1007/s11708-020-0677-0

Abstract: This study provides an efficient, mild, eco-friendly, and cost-effective system for mono-dehydration

Keywords： hydrothermal carbon     morphology     catalyst     mono-dehydration     sugar alcohol    

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Efficient base-free oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid over copper-doped

Feng Cheng, Dongwen Guo, Jinhua Lai, Meihui Long, Wenguang Zhao, Xianxiang Liu, Dulin Yin

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 960-968 doi: 10.1007/s11705-020-1999-5

Abstract: 2,5-Furandicarboxylic acid (FDCA) is an important and renewable building block and can serve as an alternative to terephthalic acid in the production of bio-based degradable plastic. In this study, Cu-doped MnO  nanorods were prepared by a facile hydrothermal redox method and employed as catalysts for the selective oxidation of 5-hydroxymethylfurfural (HMF) to FDCA using -butyl hydroperoxide (TBHP) as an oxidant. The catalysts were characterized using X-ray diffraction analysis, Fourier transform infrared spectroscopy, thermogravimetric analysis, and transmission electron microscopy. The effects of oxidants, solvents, and reaction conditions on the oxidation of HMF were investigated, and a reaction mechanism was proposed. Experimental results demonstrated that 99.4% conversion of HMF and 96.3% selectivity of FDCA were obtained under suitable conditions, and -butanol was the most suitable solvent when TBHP was used as an oxidant. More importantly, the Cu-doped MnO catalyst can maintain durable catalytic activity after being recycled for more than ten times.

Keywords： 5-hydroxymethylfurfural     25-furandicarboxylic acid     selective oxidation     Cu-doped MnO2     biomass transformation    

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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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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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Rapid transaction to load variations of active filter supplied by PV system

M. BENADJA,S. SAAD,A. BELHAMRA

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 335-344 doi: 10.1007/s11708-014-0325-7

Abstract: a photovoltaic (PV) system connected to the main supply through a Boost converter and shunt active filterTo demonstrate the effectiveness of the shunt active filter to load changes, the method of instantaneous

Keywords： solar panels     maximum power point tracking (MPPT)     DC/DC converter (Boost)     shunt active filter     instantaneous    

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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 filteritemcontent>

α-proteobacteria increased about 10% in all carbon filter

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

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Ceramic water filter for point-of-use water treatment in developing countries: Principles, challenges

Haiyan Yang, Shangping Xu, Derek E. Chitwood, Yin Wang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1254-9

Abstract: efforts to address two major challenges of conventional CWFs, including (1) simultaneous increase of filter

Keywords： Point-of-use water treatment     Ceramic water filter     Bacterial removal     Surface modification     Water quality    

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Performance of fiber reinforced clayey sand composite

Amin CHEGENIZADEH, Hamid NIKRAZ

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 147-152 doi: 10.1007/s11709-012-0158-6

Abstract: Recent researches show some interests in investigation of inclusion of randomly distributed fiber instudy is related to effective parameters on strength of the clayey sand composite with using natural fiberand plastic fiber and different fiber contents and length.The fiber percentage varied from 0% (for unreinforced samples) to 4% and fiber length varied from 8 toThe fiber length and fiber content found to play important rule on the strength of fiber reinforced composite

Keywords： triaxial     consolidated undrained (CU)     fiber     strength    

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Title Author Date Type Operation

Study on indepth filtration mechanism and characteristicsof the long fiber efficient filter

Wang Shihe,Zhou Fei ,Yan Lu

Journal Article

Massively efficient filter for topology optimization based on the splitting of tensor product structure

Journal Article

Fabrication of recyclable Fe chelated aminated polypropylene fiber for efficient clean-up of phosphate

Journal Article

Efficient utilization of wind power: Long-distance transmission or local consumption?

Yuanzhang SUN, Xiyuan MA, Jian XU, Yi BAO, Siyang LIAO

Journal Article

A multi-modular shunt active power filter system and its novel fault-tolerant strategy based on split-phase

Qun-wei XU, Jin-xiang ZHAN, Long XIAO, Guo-zhu CHEN

Journal Article

Synergistic effect of V and Fe in Ni/Fe/V ternary layered double hydroxides for efficient and durable

Journal Article

Micro-sized hydrothermal carbon supporting metal oxide nanoparticles as efficient catalyst for mono-dehydration

Cheng PAN, Chao FAN, Wanqin WANG, Teng LONG, Benhua HUANG, Donghua ZHANG, Peigen SU, Aqun ZHENG, Yang

Journal Article

Efficient base-free oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid over copper-doped

Feng Cheng, Dongwen Guo, Jinhua Lai, Meihui Long, Wenguang Zhao, Xianxiang Liu, Dulin Yin

Journal Article

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

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

Rapid transaction to load variations of active filter supplied by PV system

M. BENADJA,S. SAAD,A. BELHAMRA

Journal Article

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

Ceramic water filter for point-of-use water treatment in developing countries: Principles, challenges

Haiyan Yang, Shangping Xu, Derek E. Chitwood, Yin Wang

Journal Article

Performance of fiber reinforced clayey sand composite

Amin CHEGENIZADEH, Hamid NIKRAZ

Journal Article