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Relationships of nitrous oxide fluxes with water quality parameters in free water surface constructed

Juan WU, Jian ZHANG, Wenlin JIA, Huijun XIE, Bo ZHANG

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 2,   Pages 241-247 doi: 10.1007/s11783-009-0023-6

Abstract: oxide (N O) emissions, together with the relationships between N O and water quality parameters in freewater surface constructed wetlands, were investigated with laboratory-scale systems.

Keywords： free water surface constructed wetland     nitrous oxide emission     water quality parameter     principal component    

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Environmental dispersivity in free-water-surface-effect dominated wetland: multi-scale analysis

Zi WU, Zhi LI, Li ZENG, Ling SHAO, Hansong TANG, Qing YANG, Guoqian CHEN

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 597-603 doi: 10.1007/s11783-011-0311-9

Abstract: longitudinal evolution of contaminant concentration in the most-typical pattern of wetland as dominated by free-water-surface-effect

Keywords： free-surface wetland     environmental dispersion     multi-scale analysis    

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Formation of free-charging industry alliance for new energy vehicles

Zhengdong YANG, Feng JIN, Shiyu DU, Jingwen LI

Frontiers of Engineering Management 2018, Volume 5, Issue 2,   Pages 268-275 doi: 10.15302/J-FEM-2018058

Abstract: At present, the further development of new energy vehicles industry is hindered by limited consumer’sThe advanced charging technology of Internet-distributed mobile energy can link up with many market participantsindustry alliance can realize unexpected multiple goals, for example, (1) consumers who have purchased new energyvehicles can avail free charging; (2) potential vehicle buyers can be encouraged to use new energy vehicles; (3) the new energy vehicle manufacturers can expand their production scale; (4) the new energy vehicles

Keywords： industry alliance     mobile energy     new energy vehicles     free charging     low carbon    

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Closed surface modeling with helical line measurement data

LI Ruqiong, LI Guangbu, WANG Yuhan

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 72-76 doi: 10.1007/s11465-007-0012-z

Abstract: Models for surface modeling of free-form surface and massive data points are becoming an important featureHowever, there are many problems to be solved in this area, especially for closed free-form surface modelingThis article presents an effective method for cloud data closed surface modeling from asynchronous profilepatches are created over a triangle mesh and trimmed to shape on an entire surface.In the end, an illustrative example of shoe last surface modeling is given to show the availability of

Keywords： free-form surface     helical     triangle     design/computer-aided manufacturing     effective    

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Dynamic analysis of free-surface thin film flows driven by gravity over undulated substrate

Zhaomiao LIU, Xin LIU, Guobin WANG, Hong LIAO,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 219-225 doi: 10.1007/s11465-010-0010-4

Abstract: This paper studies thin film flows with free surfaces driven by gravity through two types of undulatedThe substrate plane is fixed and inclined to a certain angle and the flow with a free surface.FEM), commenced from Navier-Stokes equations and continuity equation, the exact numerical results of free-surface

Keywords： waviness     triangle height     film thickness     streamlines separation     vortex    

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The energy-free purification of trace thallium(I)-contaminated potable water using a high-selective filter

Frontiers of Chemical Science and Engineering doi: 10.1007/s11705-023-2379-8

Abstract: provides a feasible avenue to safeguard the drinking water in remote and underdeveloped area via the energy-free

Keywords： membrane adsorption     Prussian blue     energy-free filtration     potable water     trace thallium(I)    

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Solvent-free mechanochemical mild oxidation method to enhance adsorption properties of chitosan

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1416-4

Abstract:

• Solvent-free chitosan oxidation is obtained by rapid mechanochemical

Keywords： Chitosan     High energy ball milling     Mechanochemistry     Oxidation    

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Lamellar thickness transition of melt-crystallized polybuten-1 tetragonal phase: configurational change in chain folding directions

Motoi YAMASHITA

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 26-32 doi: 10.1007/s11705-009-0002-2

Abstract: Chain folding free energy determined from the low supercooling range is larger than that determined

Keywords： phase     crystal thickness     melt growth     chain folding     small angle X-ray scattering     nucleation theory     end surfacefree energy    

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Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 69-74 doi: 10.1007/s11708-010-0117-7

Abstract: coal-fired power unit frequently operates under unsteady conditions; thus, in order to acquire scientific energyanalysis of the unit, thermodynamic analysis of a single-phase heated surface in a boiler under suchProcesses are analyzed, and distributions of energy and exergy are qualitatively revealed.Models for energy analysis, entropy analysis, and exergy analysis of control volumes and irreversibleTaking the low-temperature superheater of a 610 t/h-boiler as an example, the distribution of energy,

Keywords： thermodynamic model     energy distribution     boiler     unsteady conditions    

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Towards Cr(VI)-free anodization of aluminum alloys for aerospace adhesive bonding applications: A review

Shoshan T. Abrahami, John M. M. de Kok, Herman Terryn, Johannes M. C. Mol

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 465-482 doi: 10.1007/s11705-017-1641-3

Abstract: For more than six decades, chromic acid anodizing (CAA) has been the central process in the surface pre-treatmentthe oxide properties, such as morphological features (e.g., pore size, barrier layer thickness) and surface

Keywords： aluminum     Cr(VI)-free     surface pre-treatments     anodizing     adhesive bonding    

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Using thermodynamic parameters to study self-healing and interface properties of crumb rubber modified asphalt based on molecular dynamics simulation

Dongliang HU, Jianzhong PEI, Rui LI, Jiupeng ZHANG, Yanshun JIA, Zepeng FAN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 109-122 doi: 10.1007/s11709-019-0579-6

Abstract: The thermodynamic property of asphalt binder is changed by the addition of crumb rubber, which in turn influences the self-healing property as well as the cohesion and adhesion within the asphalt-aggregate system. This study investigated the self-healing and interface properties of crumb rubber modified asphalt (CRMA) using thermodynamic parameters based on the molecular simulation approach. The molecular models of CRMA were built with representative structures of the virgin asphalt and the crumb rubber. The aggregate was represented by SiO and Al O crystals. The self-healing capability was evaluated with the thermodynamic parameter wetting time, work of cohesion and diffusivity. The interface properties were evaluated by characterizing the adhesion capability, the debonding potential and the moisture susceptibility of the asphalt-aggregate interface. The self-healing capability of CRMA is found to decrease as the rubber content increases. The asphalt-Al O interface with higher rubber content has stronger adhesion and moisture stability. But the influence of crumb rubber on the interfacial properties of asphalt-SiO interface has no statistical significance. Comparing with the interfacial properties of the asphalt-SiO interface, the asphalt-Al O interface is found to have a stronger adhesion but a worse moisture susceptibility for its enormous thermodynamic potential for water to displace the asphalt binder.

Keywords： crumb rubber modified asphalt     surface free energy     self-healing     interface properties     molecular dynamics    

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Full-band error control and crack-free surface fabrication techniques for ultra-precision fly cutting

F. H. ZHANG, S. F. WANG, C. H. AN, J. WANG, Q. XU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 193-202 doi: 10.1007/s11465-017-0448-8

Abstract: characteristics of the fly cutting machine and fluctuations in the fly cutting environment are translated into surfaceIn this study, the anisotropic machinability of KDP crystals and the causes of typical surface errorsof the fly cutting machine and existing processing parameters are optimized to improve the machined surfaceThe findings are theoretically and practically important in the development of high-energy laser systems

Keywords： ultra-precision fly cutting     large-aperture KDP crystals     spatial frequency     processing error    

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A space power system of free piston Stirling generator based on potassium heat pipe

Mingqiang LIN, Jian MOU, Chunyun CHI, Guotong HONG, Panhe GE, Gu HU

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 1-10 doi: 10.1007/s11708-019-0655-6

Abstract: The power system of a free piston Stirling generator (FPSG) based on potassium heat pipes has been developedhigh reliability, and high overall thermal efficiency, the FPSG is a promising candidate for nuclear energy

Keywords： free piston Stirling generator (FPSG)     potassium heat pipe     power system     energy conversion    

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Hysteretic behavior of cambered surface steel tube damper: Theoretical and experimental research

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 606-624 doi: 10.1007/s11709-023-0925-6

Abstract: A novel cambered surface steel tube damper (CSTD) with a cambered surface steel tube and two concaveThe steel tube is the main energy dissipation component and comprises a weakened segment in the middleThe result shows that the CSTD yields a stable hysteretic response and affords excellent energy dissipationCompared with equal-stiffness design steel tube dampers, the CSTD exhibits better energy dissipation

Keywords： cambered surface steel tube damper     energy dissipation capacity     finite element model     hysteretic performance    

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Characteristics and application of road absorbing solar energy

Zhihua ZHOU, Shan HU, Xiaoyan ZHANG, Jian ZUO

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 525-534 doi: 10.1007/s11708-013-0278-2

Abstract: If the heat of road surface can be stored in summer, the road surface temperature will be decreased toA road-solar energy system was built in this study, and the heat transfer mechanism and effect of thesystem were analyzed according to the monitored solar radiant heat, the solar energy absorbed by roadThe results showed that the road surface temperature was mainly affected by solar radiation, but theThe temperature of the solar road surface was 3°C–6°C lower than that of the ordinary road surface.

Keywords： solar energy     road-solar energy system     road surface temperature     solar absorptivity of road surface     solar    

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Title Author Date Type Operation

Relationships of nitrous oxide fluxes with water quality parameters in free water surface constructed

Juan WU, Jian ZHANG, Wenlin JIA, Huijun XIE, Bo ZHANG

Journal Article

Environmental dispersivity in free-water-surface-effect dominated wetland: multi-scale analysis

Zi WU, Zhi LI, Li ZENG, Ling SHAO, Hansong TANG, Qing YANG, Guoqian CHEN

Journal Article

Formation of free-charging industry alliance for new energy vehicles

Zhengdong YANG, Feng JIN, Shiyu DU, Jingwen LI

Journal Article

Closed surface modeling with helical line measurement data

LI Ruqiong, LI Guangbu, WANG Yuhan

Journal Article

Dynamic analysis of free-surface thin film flows driven by gravity over undulated substrate

Zhaomiao LIU, Xin LIU, Guobin WANG, Hong LIAO,

Journal Article

The energy-free purification of trace thallium(I)-contaminated potable water using a high-selective filter

Journal Article

Solvent-free mechanochemical mild oxidation method to enhance adsorption properties of chitosan

Journal Article

Lamellar thickness transition of melt-crystallized polybuten-1 tetragonal phase: configurational change in chain folding directions

Motoi YAMASHITA

Journal Article

Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Journal Article

Towards Cr(VI)-free anodization of aluminum alloys for aerospace adhesive bonding applications: A review

Shoshan T. Abrahami, John M. M. de Kok, Herman Terryn, Johannes M. C. Mol

Journal Article

Using thermodynamic parameters to study self-healing and interface properties of crumb rubber modified asphalt based on molecular dynamics simulation

Dongliang HU, Jianzhong PEI, Rui LI, Jiupeng ZHANG, Yanshun JIA, Zepeng FAN

Journal Article

Full-band error control and crack-free surface fabrication techniques for ultra-precision fly cutting

F. H. ZHANG, S. F. WANG, C. H. AN, J. WANG, Q. XU

Journal Article

A space power system of free piston Stirling generator based on potassium heat pipe

Mingqiang LIN, Jian MOU, Chunyun CHI, Guotong HONG, Panhe GE, Gu HU

Journal Article

Hysteretic behavior of cambered surface steel tube damper: Theoretical and experimental research

Journal Article

Characteristics and application of road absorbing solar energy

Zhihua ZHOU, Shan HU, Xiaoyan ZHANG, Jian ZUO

Journal Article