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A new technique for islanding operation of distribution network connected with mini hydro

J. A. LAGHARI,H. MOKHLIS,M. KARIMI,A. H. A. BAKAR,Hasmaini MOHAMAD

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 5,   Pages 418-427 doi: 10.1631/FITEE.1400309

Abstract: new technique for a successful islanding operation of a distribution network connected with multiple minihydro based DGs.

Keywords： Islanding operation     Mini hydro     Distributed generation (DG)     Islanding detection     Load shedding    

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Investigation of the hydro-mechanical behaviour of compacted expansive clay

Yujun CUI, An Ninh TA, Anh Minh TANG, Yingfa LU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 154-164 doi: 10.1007/s11709-010-0019-0

Abstract: The hydro-mechanical behaviour of compacted expansive Romainville clay was investigated.

Keywords： Romainville clay     suction control     oedometer test     large infiltration task     hydro-mechanical behaviour    

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A mini-review of ferrites-based photocatalyst on application of hydrogen production

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 621-630 doi: 10.1007/s11708-021-0761-0

Abstract: Photocatalytic water splitting for hydrogen production is a promising strategy to produce renewable energy and decrease production cost. Spinel-ferrites are potential photocatalysts in photocatalytic reaction system due to their room temperature magnetization, the high thermal and chemical stability, narrow bandgap with broader visible light absorption, and proper conduction band energy level with strong oxidation activity for water or organic compounds. However, the fast recombination of the photoexcited electrons and holes is a critical drawback of ferrites. Therefore, the features of crystallinity, particle size, specific surface area, morphology, and band energy structure have been summarized and investigated to solve this issue. Moreover, composites construction with ferrites and the popular support of TiO2 or g-C3N4 are also summarized to illustrate the advanced improvement in photocatalytic hydrogen production. It has been shown that ferrites could induce the formation of metal ions impurity energy levels in TiO2, and the strong oxidation activity of ferrites could accelerate the oxidation reaction kinetics in both TiO2/ferrites and g-C3N4/ferrites systems. Furthermore, two representative reports of CaFe2O4/MgFe2O4 composite and ZnFe2O4/CdS composite are used to show the efficient heterojunction in a ferrite/ferrite composite and the ability of resistance to photo-corrosion, respectively.

Keywords： photocatalyst     spinel-ferrite     composite     photocatalytic hydrogen production    

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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: solubility optimization (HGSO) methods, and simple equations methods were applied to simulate the maximum hydro-suction

Keywords： sedimentation     water resources     dam engineering     machine learning     heuristic    

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Experimental investigation of liquid metal alloy based mini-channel heat exchanger for high power electronic

Manli LUO, Jing LIU

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 479-486 doi: 10.1007/s11708-013-0277-3

Abstract: space, this paper is dedicated to clarify the heat transfer behaviors of the liquid metal flowing in mini-channelThis study is expected to provide valuable reference for designing future liquid metal based mini-channel

Keywords： heat exchanger     liquid metal     mini-channel     heat dissipation     heat transfer coefficient    

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Uncertainty assessment in hydro-mechanical-coupled analysis of saturated porous medium applying fuzzy

Farhoud KALATEH, Farideh HOSSEINEJAD

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 387-410 doi: 10.1007/s11709-019-0601-z

Abstract: on dynamic response of porous media, and also to discrete the coupled dynamic equations known as - hydro-mechanical

Keywords： fuzzy finite element method     saturated soil     hydro-mechanical coupled equations     coupled analysis     uncertainty    

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Pesticides in stormwater runoff−A mini review

Cheng Chen, Wenshan Guo, Huu Hao Ngo

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1150-3

Abstract: • The sources and pathways of pesticides into stormwater runoff were diverse. • Factors affecting pesticides in stormwater runoff were critically reviewed. • Pesticides mitigation strategies were included in this review. • The current knowledge gap of the pesticides in stormwater runoff was identified. Recently, scientific interest has grown in harvesting and treating stormwater for potable water use, in order to combat the serious global water scarcity issue. In this context, pesticides have been identified as the key knowledge gap as far as reusing stormwater is concerned. This paper reviewed the presence of pesticides in stormwater runoff in both rural and urban areas. Specifically, the sources of pesticide contamination and possible pathways were investigated in this review. Influential factors affecting pesticides in stormwater runoff were critically identified as: 1) characteristics of precipitation, 2) properties of pesticide, 3) patterns of pesticides use, and 4) properties of application surface. The available pesticide mitigation strategies including best management practice (BMP), low impact development (LID), green infrastructure (GI) and sponge city (SC) were also included in this paper. In the future, large-scale multi-catchment studies that directly evaluate pesticide concentrations in both urban and rural stormwater runoff will be of great importance for the development of effective pesticides treatment approaches and stormwater harvesting strategies.

Keywords： Pesticide     Stormwater runoff     Occurrence     Urban runoff    

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Design of damping valve for vehicle hydro pneumatic suspension

DONG Mingming, HUANG Hua, GU Lian

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 97-100 doi: 10.1007/s11465-008-0014-5

Abstract: According to the design features of a hydro pneumatic spring, the necessity of a separate damping valveThe design method and damping valve structure are useful guides for hydro pneumatic suspension, especially

Keywords： ability     pneumatic     necessity     flowrate     equivalent linearization    

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Hydro-pyrolysis of lignocellulosic biomass over alumina supported Platinum, Mo

Songbo He, Jeffrey Boom, Rolf van der Gaast, K. Seshan

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 155-161 doi: 10.1007/s11705-017-1655-x

Abstract: In-line hydro-treatment of bio-oil vapor from fast pyrolysis of lignocellulosic biomass (hydro-pyrolysiscan be completely and partially hydrogenated to form hydrocarbons, an ideal fossil fuel blend, in the hydro-treatedhydrocarbon formation (ca. 60%), showing the feasibility of using the cheap non-noble catalysts for hydro-pyrolysis

Keywords： bio-oil     pyrolysis     hydro-deoxygenation (HDO)     non-noble metal catalysts     hydro-treatment    

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Thermal transport properties of monolayer phosphorene: a mini-review of theoretical studies

Guangzhao QIN, Ming HU

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 87-96 doi: 10.1007/s11708-018-0513-y

Abstract: In this mini-review, the unique thermal transport properties of phosphorene induced by the hinge-likeThis mini-review summarizes the progress of the thermal transport in phosphorene and gives an outlook

Keywords： thermal transport     phosphorene     resonant bonding    

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Cofactor engineering in cyanobacteria to overcome imbalance between NADPH and NADH: A mini review

Jongmoon Park,Yunnam Choi

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 1,   Pages 66-71 doi: 10.1007/s11705-016-1591-1

Abstract: Cyanobacteria can produce useful renewable fuels and high-value chemicals using sunlight and atmospheric carbon dioxide by photosynthesis. Genetic manipulation has increased the variety of chemicals that cyanobacteria can produce. However, their uniquely abundant NADPH-pool, in other words insufficient supply of NADH, tends to limit their production yields in case of utilizing NADH-dependent enzyme, which is quite common in heterotrophic microbes. To overcome this cofactor imbalance and enhance cyanobacterial fuel and chemical production, various approaches for cofactor engineering have been employed. In this review, we focus on three approaches: (1) utilization of NADPH-dependent enzymes, (2) increasing NADH production, and (3) changing cofactor specificity of NADH-dependent enzymes from NADH to NADPH.

Keywords： NADH-dependent enzyme     NADPH-dependent enzyme     transhydrogenase     site-directed mutagenesis     enzyme engineering    

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photoelectrodes and devices to boost photoelectrochemical performance of solar-driven water splitting: a mini

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 777-798 doi: 10.1007/s11705-022-2148-0

Abstract: As an eco-friendly, efficient, and low-cost technique, photoelectrochemical water splitting has attracted growing interest in the production of clean and sustainable hydrogen by the conversion of abundant solar energy. In the photoelectrochemical system, the photoelectrode plays a vital role in absorbing the energy of sunlight to trigger the water splitting process and the overall efficiency depends largely on the integration and design of photoelectrochemical devices. In recent years, the optimization of photoelectrodes and photoelectrochemical devices to achieve highly efficient hydrogen production has been extensively investigated. In this paper, a concise review of recent advances in the modification of nanostructured photoelectrodes and the design of photoelectrochemical devices is presented. Meanwhile, the general principles of structural and morphological factors in altering the photoelectrochemical performance of photoelectrodes are discussed. Furthermore, the performance indicators and first principles to describe the behaviors of charge carriers are analyzed, which will be of profound guiding significance to increasing the overall efficiency of the photoelectrochemical water splitting system. Finally, current challenges and prospects for an in-depth understanding of reaction mechanisms using advanced characterization technologies and potential strategies for developing novel photoelectrodes and advanced photoelectrochemical water splitting devices are demonstrated.

Keywords： photoelectrochemical water splitting     photoelectrodes     hydrogen production     charge separation     catalytic mechanism    

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Optimal dynamic emergency reserve activation using spinning, hydro and demand-side reserves

S. Surender REDDY,P. R. BIJWE,A. R. ABHYANKAR

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 409-423 doi: 10.1007/s11708-016-0431-9

Abstract: It considers the reserves supplied by the conventional thermal generators (spinning reserves), hydro

Keywords： demand-side reserves     dynamic reserve activation approach     hydro power units     post contingency     sequential    

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Application of permanganate in the oxidation of micropollutants: a mini review

Xiaohong GUAN, Di HE, Jun MA, Guanghao CHEN

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 4,   Pages 405-413 doi: 10.1007/s11783-010-0252-8

Abstract: As a green oxidant, permanganate has received considerable attention for the removal of micropollutants in drinking water treatment. To provide a better understanding of the oxidation of organic micropollutants with permanganate, the oxidation kinetics of 32 micropollutants were compiled. The pollutants include algal toxins, endocrine disrupting chemicals (EDCs), and pharmaceuticals. The oxidation kinetics of micropollutants by permanganate were found to be first order with respect to both contaminant and permanganate concentrations from which second-order rate constants ( ″) were obtained. Permanganate oxidized the heterocyclic aromatics with vinyl moiety (i.e., microcystins, carbamazepine, and dichlorvos) by the addition of double bonds. For the polycyclic aromatic hydrocarbons (PAHs) with alkyl groups, permanganate attacked the benzylic C-H through abstraction of hydrogen. The mechanism for the oxidation of phenolic EDCs by permanganate was a single electron transfer and aromatic ring cleavage. The presence of background matrices could enhance the oxidation of some phenolic EDCs by permanganate, including phenol, chlorinated phenols, bisphenol A, and trichlosan. The toxicity of dichlorvos solution increased after permanganate oxidation, and the estrogenic activity of bisphnol A/estrone increased significantly at the beginning of permanganate oxidation. Therefore, the toxicity of degradation products or intermediates should be determined in the permanganate oxidation processes to better evaluate the applicability of permanganate. The influence of background ions on the permanganate oxidation process is far from clear and should be elucidated in the future studies to better predict the performance of permanganate oxidation of micropollutants. Moreover, methods should be employed to catalyze the permanganate oxidation process to achieve better removal of micropollutants.

Keywords： pharmaceuticals     endocrine disrupting chemicals (EDCs)     algal toxins     permanganate     oxidation    

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Carbon-based materials for photodynamic therapy: A mini-review

Di Lu, Ran Tao, Zheng Wang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 310-323 doi: 10.1007/s11705-018-1750-7

Abstract: This mini-review mainly focuses on the recent application of carbon-based materials including graphene

Keywords： photodynamic therapy     carbon-based materials     graphene     carbon nanotube     fullerene     corannulene     carbon dot     mesoporous carbon nanoparticle    

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Title Author Date Type Operation

A new technique for islanding operation of distribution network connected with mini hydro

J. A. LAGHARI,H. MOKHLIS,M. KARIMI,A. H. A. BAKAR,Hasmaini MOHAMAD

Journal Article

Investigation of the hydro-mechanical behaviour of compacted expansive clay

Yujun CUI, An Ninh TA, Anh Minh TANG, Yingfa LU,

Journal Article

A mini-review of ferrites-based photocatalyst on application of hydrogen production

Journal Article

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

Journal Article

Experimental investigation of liquid metal alloy based mini-channel heat exchanger for high power electronic

Manli LUO, Jing LIU

Journal Article

Uncertainty assessment in hydro-mechanical-coupled analysis of saturated porous medium applying fuzzy

Farhoud KALATEH, Farideh HOSSEINEJAD

Journal Article

Pesticides in stormwater runoff−A mini review

Cheng Chen, Wenshan Guo, Huu Hao Ngo

Journal Article

Design of damping valve for vehicle hydro pneumatic suspension

DONG Mingming, HUANG Hua, GU Lian

Journal Article

Hydro-pyrolysis of lignocellulosic biomass over alumina supported Platinum, Mo

Songbo He, Jeffrey Boom, Rolf van der Gaast, K. Seshan

Journal Article

Thermal transport properties of monolayer phosphorene: a mini-review of theoretical studies

Guangzhao QIN, Ming HU

Journal Article

Cofactor engineering in cyanobacteria to overcome imbalance between NADPH and NADH: A mini review

Jongmoon Park,Yunnam Choi

Journal Article

photoelectrodes and devices to boost photoelectrochemical performance of solar-driven water splitting: a mini

Journal Article

Optimal dynamic emergency reserve activation using spinning, hydro and demand-side reserves

S. Surender REDDY,P. R. BIJWE,A. R. ABHYANKAR

Journal Article

Application of permanganate in the oxidation of micropollutants: a mini review

Xiaohong GUAN, Di HE, Jun MA, Guanghao CHEN

Journal Article

Carbon-based materials for photodynamic therapy: A mini-review

Di Lu, Ran Tao, Zheng Wang

Journal Article