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Development of hydrogen transport corridor along Huaihe River ecological economic zone based on SWOT

Zhang Liangliang,Liu Yong and Zhou Lingyun

Strategic Study of CAE 2015, Volume 17, Issue 3,   Pages 96-99

Abstract: and lack of oil resources， it is an important measure to solve the problem of vehicle fuel by using hydrogenIn China， we have built a non-grid-connected wind power hydrogen demonstration project in Jiangsu coastThe research shows that Huaihe river ecological economic zone development of hydrogen highway has strengthsFinally， the research puts forward some countermeasures and suggestions the on the development of hydrogen

Keywords： hydrogen energy cars； transport corridor； hydrogen refueling stations； SWOT method    

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Impact of renewable energies on the operation and economic situation of coal fired power stations: Actualsituation of coal fired power stations in Germany

Hans-Joachim KRAUTZ, Alexander LISK, Joachim POSSELT, Christian KATZER

Frontiers in Energy 2017, Volume 11, Issue 2,   Pages 119-125 doi: 10.1007/s11708-017-0468-4

Abstract: Due to the fluctuating character of the renewable energy sources the demand of conventional power plants for flexibility is increasing. In the recent years, in Germany there has been a fast rise of production capacity of renewable energies, especially from wind turbines, photovoltaic installations, and biomass plants. The installed nominal power of wind turbines is actually (December 2016) 42 GW and of photovoltaic installations 40?GW. The renewable electric energy production in Germany is about 190?TWh/a, which represents a share of 33% of the yearly demand. The increased need for flexibility affects both the power gradients as well as the minimum load of conventional power plants. Due to this flexibility behaviour, conventional power plants are faced with problems concerning the durability of power plant components, corrosion, more maintenance effort and consequently the overall life expectancy. Another consequence of the increasing share of renewable energies is the decreasing full load operating hours, especially of coal fired and gas power plants. Along with decreasing revenues from the energy exchange market, coal fired power plants are faced with new economically challenges.

Keywords： flexible load operation     minimal load     power gradients     power plant maintenance     corrosion     life expectancy    

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Optimal precoding for full-duplex base stations under strongly correlated self-interference channels Article

Jun WANG, Xiao-jie WEN, Chuan HUANG, Chao-jin QING

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 6,   Pages 808-816 doi: 10.1631/FITEE.1700022

Abstract: We study the optimal precoding for a full-duplex (FD) system, where one FD multi-antenna base station (BS) respectively transmits to and receives from two half-duplex single-antenna mobile users (MUs) on the same time slot and frequency band. At the FD BS, the received signal from the desired MU is severely affected by the extremely strong self-interference (SI) from its transmit antennas to the receive antennas. In the presence of residual SI after imperfect SI cancellation, the downlink transmission rate maximization problem subject to a targeted uplink rate is formulated as a non-convex optimization problem to characterize the achievable rate region for the considered system. Considering the case in which the SI channel is strongly correlated, the above problem is transformed into a convex problem by exploiting the rank-one property of the SI channel, which can be solved efficiently. Finally, numerical results validate the effectiveness of the proposed scheme.

Keywords： Linear precoding     Full-duplex     Achievable rate region     Strongly correlated self-interference channel    

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Optimal locations of monitoring stations in water distribution systems under multiple demand patterns

Shuming LIU, Wenjun LIU, Jinduan CHEN, Qi WANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 204-212 doi: 10.1007/s11783-011-0364-9

Abstract: A flaw of demand coverage method in solving optimal monitoring stations problem under multiple demandIn the demand coverage method, the demand coverage of each set of monitoring stations is calculated byThis could lead to miscalculation of the optimal locations of the monitoring stations.Results show that the set of optimal locations of monitoring stations obtained using the DCI method can

Keywords： demand coverage     monitoring     optimization     water distribution network     water quality    

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A review on the electric vehicle routing problems: Variants and algorithms

Hu QIN , Xinxin SU, Teng REN, Zhixing LUO

Frontiers of Engineering Management 2021, Volume 8, Issue 3,   Pages 370-389 doi: 10.1007/s42524-021-0157-1

Abstract: Over the past decade, electric vehicles (EVs) have been considered in a growing number of models and methods for vehicle routing problems (VRPs). This study presents a comprehensive survey of EV routing problems and their many variants. We only consider the problems in which each vehicle may visit multiple vertices and be recharged during the trip. The related literature can be roughly divided into nine classes: Electric traveling salesman problem, green VRP, electric VRP, mixed electric VRP, electric location routing problem, hybrid electric VRP, electric dial-a-ride problem, electric two-echelon VRP, and electric pickup and delivery problem. For each of these nine classes, we focus on reviewing the settings of problem variants and the algorithms used to obtain their solutions.

Keywords： electric vehicles     routing     recharging stations     exact algorithms     metaheuristics    

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Effect of strata restraint on seismic performance of prefabricated sidewall joints in fabricated subway stations

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 763-779 doi: 10.1007/s11709-023-0917-6

Abstract: A disadvantage of the conventional quasi-static test method is that it does not consider the soil restraint effect. A new method to test the seismic performance of prefabricated specimens for underground assembled structures is proposed, which can realistically reflect the strata restraint effect on the underground structure. Laboratory work combined with finite element (FE) analysis is performed in this study. Three full-scale sidewall specimens with different joint forms are designed and fabricated. Indices related to the seismic performance and damage modes are analyzed comprehensively to reveal the mechanism of the strata restraint effect on the prefabricated sidewall components. Test results show that the strata restraint effect effectively improves the energy dissipation capacity, load-bearing capacity, and the recoverability of the internal deformation of the precast sidewall components. However, the strata restraint effect reduces the ductility of the precast sidewall components and aggravates the shear and bending deformations in the core region of the connection joints. Additionally, the strata restraint effect significantly affects the seismic performance and damage mode of the prefabricated sidewall components. An FE model that can be used to conduct a seismic performance study of prefabricated specimens for underground assembled structures is proposed, and its feasibility is verified via comparison with test data.

Keywords： underground structures     precast sidewall specimen     seismic test method     bearing capacity     energy dissipation capacity     plastic deformation    

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A systemic review of hydrogen supply chain in energy transition

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 102-122 doi: 10.1007/s11708-023-0861-0

Abstract: Targeting the net-zero emission (NZE) by 2050, the hydrogen industry is drastically developing in recentHowever, the technologies of hydrogen upstream production, midstream transportation and storage, andIn this paper, the development of hydrogen industry from the production, transportation and storage,In the upstream, blue hydrogen is dominating the current hydrogen supply, and an implementation of carbonTo achieve an economic feasibility, green hydrogen needs to reduce its cost by 75% to approximately 2

Keywords： hydrogen production     hydrogen transportation and storage     hydrogen economy     carbon capture and sequestration    

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Recent advances of small-molecule fluorescent probes for detecting biological hydrogen sulfide

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 1,   Pages 34-63 doi: 10.1007/s11705-021-2050-1

Abstract: Moreover, we also introduced some probes for hydrogen polysulfides.

Keywords： hydrogen sulfide     fluorescent probe     reducibility     nucleophilicity     copper sulfide precipitate     hydrogen    

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Production of hydrogen from fossil fuel: A review

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 585-610 doi: 10.1007/s11708-023-0886-4

Abstract: Production of hydrogen, one of the most promising alternative clean fuels, through catalytic conversionCatalytic conversion of natural gas into hydrogen and carbon is thermodynamically favorable under atmosphericHowever, using noble metals as a catalyst is costly for hydrogen production, thus mandating non-nobleThis paper reviews the various hydrogen production methods from fossil fuels through pyrolysis, partialoxidation, autothermal, and steam reforming, emphasizing the catalytic production of hydrogen via steam

Keywords： methane     catalytic conversion     natural gas     hydrogen production     CCUS    

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Organic conjugated polymers and polymer dots as photocatalysts for hydrogen production

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 667-677 doi: 10.1007/s11708-021-0767-7

Abstract: process large breadth of potential synthetic diversity are the representative of photocatalysts for hydrogenshowed a superior photocatalytic activity and a robust stability under visible-light irradiation, for hydrogenFinally, challenges and outlook on using organic polymer dots-based photocatalysts from hydrogen production

Keywords： polymer dots (Pdots)     photocatalysis     hydrogen production    

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The opportunity of membrane technology for hydrogen purification in the power to hydrogen (P2H) roadmap

Hiep Thuan Lu, Wen Li, Ehsan Soroodan Miandoab, Shinji Kanehashi, Guoping Hu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 464-482 doi: 10.1007/s11705-020-1983-0

Abstract: This can be achieved by converting the surplus renewable energy into hydrogen gas.effects on the pipelines and is a promising solution for hydrogen transportation and storage if theend-user purification technologies for hydrogen recovery from hydrogen enriched natural gas (HENG) areIn this review, promising membrane technologies for hydrogen separation is revisited and presented.purification in the power to hydrogen roadmap.

Keywords： power to hydrogen     membrane technology     hydrogen     energy    

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Development Strategy of Hydrogen Energy Industry in China

LingWen , Li Quansheng , Zhang Kai

Strategic Study of CAE 2022, Volume 24, Issue 3,   Pages 80-88 doi: 10.15302/J-SSCAE-2022.03.009

Abstract:

Hydrogen energy is crucial for building a clean, low-carbon, safe, andIn this article, we expound on the progress of global hydrogen energy industry and summarize the developmentstatus of China’s hydrogen energy industry from the aspects of scale, characteristics, and policiesThe demand for and problems of China’s hydrogen energy industry are analyzed.of the entire hydrogen energy industry chain, and enhance hydrogen technology innovation to achieve

Keywords： hydrogen energy industry     carbon neutralization     carbon peak     hydrogen production     hydrogen supply     hydrogen    

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Therapeutic application of hydrogen sulfide donors: the potential and challenges

Dan Wu,Qingxun Hu,Yizhun Zhu

Frontiers of Medicine 2016, Volume 10, Issue 1,   Pages 18-27 doi: 10.1007/s11684-015-0427-6

Abstract:

Hydrogen sulfide (H2S), a colorless gas smelling of rotten egg, has long been considered

Keywords： hydrogen sulfide     cardiovascular     cancer     hypertension    

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Approaching the commercial threshold of solar water splitting toward hydrogen by III-nitrides nanowires

Frontiers in Energy doi: 10.1007/s11708-023-0870-z

Abstract: Approaching the commercial threshold of solar water splitting toward hydrogen by III-nitrides nanowires

Keywords： threshold solar water     splitting hydrogen III    

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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 energysub>3N4 are also summarized to illustrate the advanced improvement in photocatalytic hydrogen

Keywords： photocatalyst     spinel-ferrite     composite     photocatalytic hydrogen production    

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Title Author Date Type Operation

Development of hydrogen transport corridor along Huaihe River ecological economic zone based on SWOT

Zhang Liangliang,Liu Yong and Zhou Lingyun

Journal Article

Impact of renewable energies on the operation and economic situation of coal fired power stations: Actualsituation of coal fired power stations in Germany

Hans-Joachim KRAUTZ, Alexander LISK, Joachim POSSELT, Christian KATZER

Journal Article

Optimal precoding for full-duplex base stations under strongly correlated self-interference channels

Jun WANG, Xiao-jie WEN, Chuan HUANG, Chao-jin QING

Journal Article

Optimal locations of monitoring stations in water distribution systems under multiple demand patterns

Shuming LIU, Wenjun LIU, Jinduan CHEN, Qi WANG

Journal Article

A review on the electric vehicle routing problems: Variants and algorithms

Hu QIN , Xinxin SU, Teng REN, Zhixing LUO

Journal Article

Effect of strata restraint on seismic performance of prefabricated sidewall joints in fabricated subway stations

Journal Article

A systemic review of hydrogen supply chain in energy transition

Journal Article

Recent advances of small-molecule fluorescent probes for detecting biological hydrogen sulfide

Journal Article

Production of hydrogen from fossil fuel: A review

Journal Article

Organic conjugated polymers and polymer dots as photocatalysts for hydrogen production

Journal Article

The opportunity of membrane technology for hydrogen purification in the power to hydrogen (P2H) roadmap

Hiep Thuan Lu, Wen Li, Ehsan Soroodan Miandoab, Shinji Kanehashi, Guoping Hu

Journal Article

Development Strategy of Hydrogen Energy Industry in China

LingWen , Li Quansheng , Zhang Kai

Journal Article

Therapeutic application of hydrogen sulfide donors: the potential and challenges

Dan Wu,Qingxun Hu,Yizhun Zhu

Journal Article

Approaching the commercial threshold of solar water splitting toward hydrogen by III-nitrides nanowires

Journal Article

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

Journal Article