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Double-layer Support Technology of Large-section Loess TunnelBy Benching Method

Li Guoliang,Song Ye,Li Lei,Wang Xindong,Li Bo

Strategic Study of CAE 2014, Volume 16, Issue 8,   Pages 54-63

Abstract: carrying out the test and study, the mechanical characteristics and key construction techniques of the double-layersupport system of large-section loess tunnels by benching method are acquired.

Keywords： large-section loess tunnel     benching method     double-layer support     under crossing    

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Optimal design of double-layer barrel vaults using genetic and pattern search algorithms and optimized

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 378-395 doi: 10.1007/s11709-022-0899-9

Abstract: This paper presents a combined method based on optimized neural networks and optimization algorithms to solve structural optimization problems. The main idea is to utilize an optimized artificial neural network (OANN) as a surrogate model to reduce the number of computations for structural analysis. First, the OANN is trained appropriately. Subsequently, the main optimization problem is solved using the OANN and a population-based algorithm. The algorithms considered in this step are the arithmetic optimization algorithm (AOA) and genetic algorithm (GA). Finally, the abovementioned problem is solved using the optimal point obtained from the previous step and the pattern search (PS) algorithm. To evaluate the performance of the proposed method, two numerical examples are considered. In the first example, the performance of two algorithms, OANN + AOA + PS and OANN + GA + PS, is investigated. Using the GA reduces the elapsed time by approximately 50% compared with using the AOA. Results show that both the OANN + GA + PS and OANN + AOA + PS algorithms perform well in solving structural optimization problems and achieve the same optimal design. However, the OANN + GA + PS algorithm requires significantly fewer function evaluations to achieve the same accuracy as the OANN + AOA + PS algorithm.

Keywords： optimization     surrogate models     artificial neural network     SAP2000     genetic algorithm    

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Analysis of the double-layer α-Si:H emitter with different doping concentrations for α-Si:H/c-Si heterojunction

Haibin HUANG,Gangyu TIAN,Tao WANG,Chao GAO,Jiren YUAN,Zhihao YUE,Lang ZHOU

Frontiers in Energy 2017, Volume 11, Issue 1,   Pages 92-95 doi: 10.1007/s11708-016-0432-8

Abstract: Double-layer emitters with different doping concentrations (DLE) have been designed and prepared forCompared with the traditional single layer emitter, both the experiment and the simulation (AFORS-HET, http://www.paper.edu.cn/html/releasepaper/2014/04/282/) prove that the double-layer emitter increases

Keywords： double-layer emitter     α-Si:H/c-Si heterojunction solar cell     short circuit current     quantum efficiency     current-voltage-temperature    

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A Double-Layer Polysaccharide Hydrogel (DPH) for the Enhanced Intestine-Targeted Oral Delivery of Probiotics

Wen-Can Huang,Wenjie Wang,Wei Wang,Yanan Hao,Changhu Xue,Xiangzhao Mao,

Engineering doi: 10.1016/j.eng.2023.05.024

Abstract: Herein, we present a double-layer polysaccharide hydrogel (DPH) in the form of a double-layer structurecomposed of a carboxymethyl cellulose (CMCL) supramolecular inner layer and a dialdehyde alginate (DAA) cross-linked carboxymethyl chitosan (CMCS) outer layer.This double-layer structure allows DPH to encapsulate and deliver probiotics in a targeted manner withinIn the stomach, the cage structure of the DPH is closed, and the outer layer absorbs surrounding liquids

Keywords： Polysaccharides     Chitosan     Hydrogels     Oral delivery     Intestine-targeted    

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NiCo2O4@quinone-rich N–C core–shell nanowires as composite electrode for electric double layer capacitor

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 373-386 doi: 10.1007/s11705-022-2223-6

Abstract: NiCo2O4 nanowires, and the obtained composite was used as electrode for electric doublelayer capacitor.The assembled symmetric electric double layer capacitor achieved a high energy density of 6.55 mW∙h∙cm

Keywords： carbon cloth     NiCo2O4 nanowires     core−shell structure     quinone-rich     electric doublelayer capacitor    

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The influence of manufacturing parameters and adding support layer on the properties of Zirfon

Li XU,Yue YU,Wei LI,Yan YOU,Wei XU,Shaoxing ZHANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 295-305 doi: 10.1007/s11705-014-1433-y

Abstract: A modified composite separator with a support layer was prepared to enhance the tensile strength of separatorBy adding support layer, the tensile strength of the separator increases from 1.85 MPa to 13.66 MPa.

Keywords： separator     alkaline water electrolysis     manufacturing parameters     support layer    

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Theoretical analysis and experimental study on the influence of electric double layer on thin film lubrication

WANG Xin-jie, BAI Shao-xian, HUANG Ping

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 370-373 doi: 10.1007/s11465-006-0040-0

Abstract: mathematical model for thin film lubrication is established by taking into account the effect of an electric doublelayer.

Keywords： mathematical     account     electric     composite     lubrication    

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Spacecraft damage infrared detection algorithm for hypervelocity impact based on double-layer multi-target Research Article

Xiao YANG, Chun YIN, Sara DADRAS, Guangyu LEI, Xutong TAN, Gen QIU,yinchun.86416@163.com,chunyin@uestc.edu.cn

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 4,   Pages 571-586 doi: 10.1631/FITEE.2000695

Abstract: To detect spacecraft damage caused by hypervelocity impact, we propose an advanced spacecraft defect extraction algorithm based on infrared imaging detection. The (GMM) is used to classify the temperature change characteristics in the sampled data of the infrared video stream and reconstruct the image to obtain the infrared reconstructed image (IRRI) reflecting the defect characteristics. The designed segmentation objective function is used to ensure the effectiveness of results for noise removal and detail preservation, while taking into account the complexity of IRRI (that is, the required trade-offs are different). A multi-objective optimization algorithm is introduced to achieve balance between detail preservation and noise removal, and a multi-objective evolutionary algorithm based on decomposition (MOEA/D) is used for optimization to ensure damage segmentation accuracy. Experimental results verify the effectiveness of the proposed algorithm.

Keywords： Hypervelocity impact damage     Defect detection     Gaussian mixture model     Image segmentation    

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Stability analysis and optimization of excavation method of double-arch tunnel with an extra-large span

Yiguo XUE, Huimin GONG, Fanmeng KONG, Weimin YANG, Daohong QIU, Binghua ZHOU

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 136-146 doi: 10.1007/s11709-020-0710-8

Abstract: The Xiamen Haicang double-arch tunnel has a maximum span of 45.73 m and a minimum burial depth of 5.8It is therefore necessary to select a construction approach that is suitable for double-arch tunnel projectsIn this study, three construction methods for double-arch tunnels with extra-large spans were numericallyThe results showed that the double-side-drift method with temporary vertical support achieves betterIn addition, the improved temporary support plays a critical role in controlling the surrounding rock

Keywords： double-arch tunnel     triple-layer composite liner system     numerical modeling     stress analysis     settlement    

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Effect of Joule heating on electro-osmotic flow in a closed-end micro-channel with isothermal and convective boundary conditions

Liang ZHAO, Linhua LIU,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 381-388 doi: 10.1007/s11708-009-0057-2

Abstract: The effect of Joule heating on the steady state electro-osmotic flow in a closed-end micro-channel is studied through numerical simulation with the finite volume method. The velocity field and the temperature field are described by a rigorous mathematical model. Thermophysical properties including viscosity and thermal conductivity are considered to be temperature-dependent. The simulations show that the presence of Joule heating causes an increase in temperature and a decrease in viscosity in the whole micro-channel, which, thereafter, induce a large velocity near the wall and an increase in fluid velocity at the central region in order to maintain a zero flow rate at the cross section of the micro-channel. The effect of Joule heating on the induced pressure gradient is also studied, which is very important for the application of the closed-end micro-channel as a micro-actuator. The results reveal that the induced pressure gradient, taking into consideration Joule heating, is significantly smaller than that without considering Joule heating when the wall temperature of the micro-channel is constant. The induced pressure gradient difference between considering Joule heating and without considering Joule heating is small under the convective boundary condition.

Keywords： closed-end micro-channel     electrical double layer     electro-osmotic flow     induced pressure gradient     Joule    

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Experimental measurement of double-K fracture parameters of concrete with small-size aggregates

ZHANG Xiufang, XU Shilang, ZHENG Shuang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 448-457 doi: 10.1007/s11709-007-0061-8

Abstract: The double- fracture model can well describe the development of cracks undergoing during the entire fracture

Keywords： development     concrete     theoretical     double- fracture    

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Numerical study of thermal characteristics of double skin facade system with middle shade

Shaoning LIU, Xiangfei KONG, Hua YANG, Minchao FAN, Xin ZHAN

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 222-234 doi: 10.1007/s11708-017-0480-8

Abstract: A new shade combined with the double skin façade (DSF) system, called middle shade (MS), was introduced

Keywords： middle shade     position     thermal characteristics     double skin facade    

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Moment-curvature relationship of FRP-concrete-steel double-skin tubular members

Mingxue LIU, Jiaru QIAN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 25-31 doi: 10.1007/s11709-009-0012-7

Abstract: conducted on 3 specimens to study the flexural behavior of fiber reinforced polymer (FRP)-concrete-steel double-skin

Keywords： fiber reinforced polymer (FRP)     concrete     steel     double-skin tubular members (DSTMs)     moment-curvature curve    

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Enhancement of distillate output of double basin solar still with vacuum tubes

Hitesh N PANCHAL, P K SHAH

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 101-109 doi: 10.1007/s11708-014-0299-5

Abstract: The performance of the double basin solar still was also increased by attaching vacuum tubes to the lowerThis paper proposed a novel approach to increase the distillate output of the double basin solar still

Keywords： double basin solar still     calcium stones     pebbles     granite gravel     distillate output    

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Latest development of double perovskite electrode materials for solid oxide fuel cells: a review

Shammya AFROZE, AfizulHakem KARIM, Quentin CHEOK, Sten ERIKSSON, Abul K. AZAD

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 770-797 doi: 10.1007/s11708-019-0651-x

Abstract: The present review focuses on the various aspects pertaining to a potential electrode material, the double

Keywords： double perovskites     electrode materials     hydrocarbon fuel     solid oxide fuel cells    

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Title Author Date Type Operation

Double-layer Support Technology of Large-section Loess TunnelBy Benching Method

Li Guoliang,Song Ye,Li Lei,Wang Xindong,Li Bo

Journal Article

Optimal design of double-layer barrel vaults using genetic and pattern search algorithms and optimized

Journal Article

Analysis of the double-layer α-Si:H emitter with different doping concentrations for α-Si:H/c-Si heterojunction

Haibin HUANG,Gangyu TIAN,Tao WANG,Chao GAO,Jiren YUAN,Zhihao YUE,Lang ZHOU

Journal Article

A Double-Layer Polysaccharide Hydrogel (DPH) for the Enhanced Intestine-Targeted Oral Delivery of Probiotics

Wen-Can Huang,Wenjie Wang,Wei Wang,Yanan Hao,Changhu Xue,Xiangzhao Mao,

Journal Article

NiCo2O4@quinone-rich N–C core–shell nanowires as composite electrode for electric double layer capacitor

Journal Article

The influence of manufacturing parameters and adding support layer on the properties of Zirfon

Li XU,Yue YU,Wei LI,Yan YOU,Wei XU,Shaoxing ZHANG

Journal Article

Theoretical analysis and experimental study on the influence of electric double layer on thin film lubrication

WANG Xin-jie, BAI Shao-xian, HUANG Ping

Journal Article

Spacecraft damage infrared detection algorithm for hypervelocity impact based on double-layer multi-target

Xiao YANG, Chun YIN, Sara DADRAS, Guangyu LEI, Xutong TAN, Gen QIU,yinchun.86416@163.com,chunyin@uestc.edu.cn

Journal Article

Stability analysis and optimization of excavation method of double-arch tunnel with an extra-large span

Yiguo XUE, Huimin GONG, Fanmeng KONG, Weimin YANG, Daohong QIU, Binghua ZHOU

Journal Article

Effect of Joule heating on electro-osmotic flow in a closed-end micro-channel with isothermal and convective boundary conditions

Liang ZHAO, Linhua LIU,

Journal Article

Experimental measurement of double-K fracture parameters of concrete with small-size aggregates

ZHANG Xiufang, XU Shilang, ZHENG Shuang

Journal Article

Numerical study of thermal characteristics of double skin facade system with middle shade

Shaoning LIU, Xiangfei KONG, Hua YANG, Minchao FAN, Xin ZHAN

Journal Article

Moment-curvature relationship of FRP-concrete-steel double-skin tubular members

Mingxue LIU, Jiaru QIAN

Journal Article

Enhancement of distillate output of double basin solar still with vacuum tubes

Hitesh N PANCHAL, P K SHAH

Journal Article

Latest development of double perovskite electrode materials for solid oxide fuel cells: a review

Shammya AFROZE, AfizulHakem KARIM, Quentin CHEOK, Sten ERIKSSON, Abul K. AZAD

Journal Article