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Extractive desulfurization of model fuels with a nitrogen-containing heterocyclic ionic liquid

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1735-1742 doi: 10.1007/s11705-022-2167-x

Abstract: non-covalent interactions between the ionic liquid and the three sulfur-containing contaminants was studied by reduceddensity gradient analysis.

Keywords： extractive desulfurization     nitrogen-containing heterocyclic ionic liquid     reduced density gradient analysis    

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Vibration analysis of nano-structure multilayered graphene sheets using modified strain gradient theory

Amir ALLAHBAKHSHI,Masih ALLAHBAKHSHI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 2,   Pages 187-197 doi: 10.1007/s11465-015-0339-9

Abstract:

In this paper, for the first time, the modified strain gradient theory is used as a new size-dependentKirchhoff micro-plate model to study the effect of interlayer van der Waals (vdW) force for the vibration analysisAfter obtaining the governing equations based on modified strain gradient theory via principle of minimum

Keywords： graphene     van der Waals (vdW) force     modi- fied strain gradient elasticity theory     size effect parameter    

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The Nanoscale Density Gradient as a Structural Stabilizer for Glass Formation Article

Shaoxiong Zhou, Bangshao Dong, Yanguo Wang, Jingyu Qin, Weihua Wang

Engineering 2023, Volume 29, Issue 10,   Pages 120-129 doi: 10.1016/j.eng.2023.01.010

Abstract: In this study, the nanoscale density gradient (NDG) originating from a sequential arrangement of clusters

Keywords： Rapid cooling     Amorphous solid     Density gradient     Electron tomography     Atomic clusters    

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prediction and optimization design of sustainable concrete based on squirrel search algorithm-extreme gradient

Frontiers of Structural and Civil Engineering   Pages 1310-1325 doi: 10.1007/s11709-023-0997-3

Abstract: traditional compressive strength test, this study combines five novel metaheuristic algorithms with extreme gradientThe results indicated that the squirrel search algorithm-extreme gradient boosting (SSA-XGB) yielded

Keywords： sustainable concrete     fly ash     slay     extreme gradient boosting technique     squirrel search algorithm     parametric analysis    

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Presentation of regression analysis, GP and GMDH models to predict the pedestrian density in various

Iraj BARGEGOL; Seyed Mohsen HOSSEINIAN; Vahid NAJAFI MOGHADDAM GILANI; Mohammad NIKOOKAR; Alireza OROUEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 2,   Pages 250-265 doi: 10.1007/s11709-021-0785-x

Abstract: In this study, the relationship between space mean speed (SMS), flow rate and density of pedestriansFirst, statistical analysis was performed to investigate the normality of data and correlation of variablesRegression analysis was then applied to determine the relationship between SMS, flow rate, anddensity of pedestrians.By the use of regression analysis, the mathematical relationships between variables in all facilities

Keywords： pedestrian density     regression analysis     GP model     GMDH model    

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Viability of Harvesting Salinity Gradient (Blue) Energy by Nanopore-Based Osmotic Power Generation Article

Zhangxin Wang, Li Wang, Menachem Elimelech

Engineering 2022, Volume 9, Issue 2,   Pages 51-60 doi: 10.1016/j.eng.2021.02.016

Abstract: novel materials with ion-selective nanochannels has introduced a new technology for harvesting salinity gradientIn this study, we perform a comprehensive analysis of the practical performance of NPG in both coupon-sizeWe show that although NPG membrane coupons can theoretically generate ultrahigh power density under idealconditions, the resulting power density in practical operations at a coupon scale can hardly reach 10&For module-scale NPG operation, we estimate both the power density and specific extractable energy (i.e

Keywords： Nanopore power generator     Salinity gradient (blue) energy     Power density     Specific extractable energy    

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Gold nanoparticles/single-stranded DNA-reduced graphene oxide nanocomposites based electrochemical biosensor

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1572-1582 doi: 10.1007/s11705-021-2112-4

Abstract: High density and uniform distribution of the gold nanoparticles functionalized single-stranded DNA modifiedreduced graphene oxide nanocomposites were obtained by non-covalent interaction.dimensional homogeneity and dispersibility, which could readily combine with single-stranded DNA modified reducedThe modification of single-stranded DNA endowed the reduced graphene oxide with favorable biocompatibilityfurther assembling of gold nanoparticles to obtain gold nanoparticles/single-stranded DNA modified reduced

Keywords： reduced graphene oxide     gold nanoparticles     electrochemical biosensor     cholesterol oxidase     cholesterol    

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Velocity gradient elasticity for nonlinear vibration of carbon nanotube resonators

Hamid M. SEDIGHI, Hassen M. OUAKAD

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1520-1530 doi: 10.1007/s11709-020-0672-x

Abstract: undertake two models to capture the nanostructure nonlocal size effects: the strain and the velocity gradientWe use a reduced-order model based on the differential quadrature method (DQM) to discretize the governingThe structural nonlinear behavior of the system assuming both strain and velocity gradient theories is

Keywords： velocity gradient elasticity theory     nanotube resonators     differential-quadrature method     nonlinear vibration    

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Superhydrophobic, mechanically flexible and recyclable reduced graphene oxide wrapped sponge for highly

Lijuan Qiu, Ruiyang Zhang, Ying Zhang, Chengjin Li, Qian Zhang, Ying Zhou

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 390-399 doi: 10.1007/s11705-018-1751-6

Abstract: In this paper, we have prepared a reduced graphene oxide (RGO) wrapped sponge with superhydrophobicity

Keywords： superhydrophobicity     mechanically flexibility     water/oil separation     reduced graphene oxide wrapped sponge    

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PLANT DENSITY, IRRIGATION AND NITROGEN MANAGEMENT: THREE MAJOR PRACTICES IN CLOSING YIELD GAPS FOR AGRICULTURAL

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4, doi: 10.15302/J-FASE -2020355

Abstract: Boundary line analysis indicates that a relative yield increase of 8% to 10% might be obtained by optimizingPlant density and soil available water content and available nitrogen were the three major factors involved

Keywords： boundary line analysis     irrigation method     precision agriculture     spatial variability     yield gaps    

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Multi-effect anthraquinone-based polyimide enclosed SnO/reduced graphene oxide composite as high-performance

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1231-1243 doi: 10.1007/s11705-023-2306-z

Abstract: Herein, the SnO2 enclosed with anthraquinone-based polyimide/reduced graphene oxide compositeIn addition, the introduction of reduced graphene oxide cannot only improve the stability of polyimide

Keywords： anthraquinone-based polyimide     multi-effect     tin dioxide     reduced graphene oxide     lithium-ion battery    

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Predicting shear strength of slender beams without reinforcement using hybrid gradient boosting trees

Thuy-Anh NGUYEN; Hai-Bang LY; Van Quan TRAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10,   Pages 1267-1286 doi: 10.1007/s11709-022-0842-0

Abstract: Gradient Boosting (GB) technique was developed and evaluated in combination with three different optimizationShap values and two-dimensional PDP analysis were then carried out.

Keywords： slender beam     shear strength     gradient boosting     optimization algorithms    

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Synthesis of hydrophobic carbon nanotubes/reduced graphene oxide composite films by flash light irradiation

Kai Wang, Jinbo Pang, Liwei Li, Shengzhe Zhou, Yuhao Li, Tiezhu Zhang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 376-382 doi: 10.1007/s11705-018-1705-z

Abstract: Photographs, micrographs, X-ray diffraction, infrared spectroscopy and thermogravimetric analysis allindicate that graphene oxides has been reduced.contact angle tests confirm the excellent hydrophobic performances of the synthesized carbon nanotube/reduced

Keywords： carbon nanotubes     graphene composite     flash irradiation method     reduced graphene oxide     contact angles    

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Gradient-based compressive image fusion

Yang CHEN,Zheng QIN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 3,   Pages 227-237 doi: 10.1631/FITEE.1400217

Abstract: We present a novel image fusion scheme based on gradient and scrambled block Hadamard ensemble (SBHE)In the fusion phase, the image gradient is calculated to reflect the abundance of its contour informationBy compositing the gradient of each image, gradient-based weights are obtained, with which compressiveSimulation results demonstrate that the gradient-based scheme has the best performance, in terms of bothFurthermore, the gradient-based fusion scheme proposed in this paper can be applied in different fusion

Keywords： Compressive sensing (CS)     Image fusion     Gradient-based image fusion     CS-based image fusion    

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Reduced kinetic mechanism of -heptane oxidation in modeling polycyclic aromatic hydrocarbon formation

ZHONG Beijing, XI Jun

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 326-332 doi: 10.1007/s11708-008-0047-9

Abstract: A reduced mechanism, which could couple with the multidimensional computational fluid dynamics code forThe complete kinetic mechanism, which comprises 572 reactions and 108 species, was reduced to a simplifiedmechanism that includes only 83 reactions and 56 species through sensitivity analysis.The results computed via this reduced mechanism are nearly indistinguishable from those via the detailedmechanism, which demonstrate that the model based on this reduced mechanism can properly describe -heptane

Keywords： phenanthrene     multidimensional computational     sensitivity analysis     polycyclic     mechanism    

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Title Author Date Type Operation

Extractive desulfurization of model fuels with a nitrogen-containing heterocyclic ionic liquid

Journal Article

Vibration analysis of nano-structure multilayered graphene sheets using modified strain gradient theory

Amir ALLAHBAKHSHI,Masih ALLAHBAKHSHI

Journal Article

The Nanoscale Density Gradient as a Structural Stabilizer for Glass Formation

Shaoxiong Zhou, Bangshao Dong, Yanguo Wang, Jingyu Qin, Weihua Wang

Journal Article

prediction and optimization design of sustainable concrete based on squirrel search algorithm-extreme gradient

Journal Article

Presentation of regression analysis, GP and GMDH models to predict the pedestrian density in various

Iraj BARGEGOL; Seyed Mohsen HOSSEINIAN; Vahid NAJAFI MOGHADDAM GILANI; Mohammad NIKOOKAR; Alireza OROUEI

Journal Article

Viability of Harvesting Salinity Gradient (Blue) Energy by Nanopore-Based Osmotic Power Generation

Zhangxin Wang, Li Wang, Menachem Elimelech

Journal Article

Gold nanoparticles/single-stranded DNA-reduced graphene oxide nanocomposites based electrochemical biosensor

Journal Article

Velocity gradient elasticity for nonlinear vibration of carbon nanotube resonators

Hamid M. SEDIGHI, Hassen M. OUAKAD

Journal Article

Superhydrophobic, mechanically flexible and recyclable reduced graphene oxide wrapped sponge for highly

Lijuan Qiu, Ruiyang Zhang, Ying Zhang, Chengjin Li, Qian Zhang, Ying Zhou

Journal Article

PLANT DENSITY, IRRIGATION AND NITROGEN MANAGEMENT: THREE MAJOR PRACTICES IN CLOSING YIELD GAPS FOR AGRICULTURAL

Journal Article

Multi-effect anthraquinone-based polyimide enclosed SnO/reduced graphene oxide composite as high-performance

Journal Article

Predicting shear strength of slender beams without reinforcement using hybrid gradient boosting trees

Thuy-Anh NGUYEN; Hai-Bang LY; Van Quan TRAN

Journal Article

Synthesis of hydrophobic carbon nanotubes/reduced graphene oxide composite films by flash light irradiation

Kai Wang, Jinbo Pang, Liwei Li, Shengzhe Zhou, Yuhao Li, Tiezhu Zhang

Journal Article

Gradient-based compressive image fusion

Yang CHEN,Zheng QIN

Journal Article

Reduced kinetic mechanism of -heptane oxidation in modeling polycyclic aromatic hydrocarbon formation

ZHONG Beijing, XI Jun

Journal Article