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In situ synthesis of FeS/Carbon fibers for the effective removal of Cr(VI) in aqueous solution

Rongrong Zhang, Daohao Li, Jin Sun, Yuqian Cui, Yuanyuan Sun

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1247-8

Abstract: . • The double helix structure of carrageenan is used to load and disperse Fe. • Pyrolyzing sulfate groupsThe enrichment of sulfate groups as well as the double-helix structure in ι-carrageenan-Fe could effectively

Keywords： Carrageenan     FeS     Double-helix structure     Hexavalent chromium    

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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: Then, the quinone-rich nitrogen-doped carbon shell structure was formed around NiCo2O4 nanowires, and the obtained composite was used as electrode for electric double layer capacitorThe 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 double    

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Effects of Boundary Condition and Helix Angle on Meshing Performance of TI Worm Gearing

SUN Yue-hai, DUAN Lu-qian, WANG Shu-ren, ZHANG Ce

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 90-95 doi: 10.1007/s11465-005-0006-7

Abstract: involute (TI) worm gearing, the authors introduced boundary condition into contact line analysis.With helixIf the helix angle is equal to or slightly smaller than the bigger angle, which makes two meshing boundary

Keywords： preferable     inexistence     Results     validity     boundary condition    

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Mechanical design and analysis of a novel variable stiffness actuator with symmetrical pivot adjustment

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 711-725 doi: 10.1007/s11465-021-0647-1

Abstract: key component of the variable stiffness module, a stiffness adjustment mechanism with a symmetrical structurelinearly and simultaneously, which can eliminate the additional bending moment caused by the asymmetric structureThe design of the double-deck grooves in the lever allows the pivot to move freely in the groove, avoidingfacilitate building a manipulator in the future, an expandable electrical system with a distributed structure

Keywords： variable stiffness actuator     variable stiffness module     drive module     symmetrical structure     double-deck    

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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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Wave Interaction with a Partial Porous Double-Wall Cylinder

Teng Bin,Li Yucheng,Sun Lu

Strategic Study of CAE 2001, Volume 3, Issue 10,   Pages 41-47

Abstract:

A linear analytic solution is derived for wave interaetion with a combined cylinder with a solid interior column surrounded by a coaxial porous exterior column. The solution is established on an eigenfunction expansion of velocity potential and a linear model between the fluid velocity inside a porous wall and the pressure difference between two sides of the wall. Numerical experiments have been carried out to examine the wave force and wave run-up on combined porous cylinders with different porous coefficient, porous section, and ratio between the radii of the interior and exterior columns. It is found that the porous rate of the exterior wall and the size of the porous section have a significant influence on the wave run-up and wave loads on cylinders. Cylinders with whole porous section on the outer column are more suitable for reducing wave loads and wave run-up on cylinders.

Keywords： wave diffraction     wave force     wave run-up     porous structure     cylinder    

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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 doubleAn evaluation has been performed in terms of phase, structure, diffraction pattern, electrical conductivity

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

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Nanosilver anchored alginate/poly(acrylic acid/acrylamide) double-network hydrogel composites for efficient

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 893-905 doi: 10.1007/s11705-022-2290-8

Abstract: A novel alginate/poly(acrylic acid/acrylamide) double-network hydrogel composite with silver nanoparticlesThe presence of carboxyl and amide groups in the network structure provided abundant active sites for

Keywords： double-network hydrogel     dye degradation     silver nanoparticles     alginate    

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A Study on Double Bases Cooperating Mechanism in KDD ( I )

Yang Bingru,Wang Jianxin

Strategic Study of CAE 2002, Volume 4, Issue 4,   Pages 41-51

Abstract: in the knowledge discovery, the database can be restricted and deriven by the knowledge base whose structureAn open KDD system, KDD* , with double-base cooperating mechanism can thus be created.deals with the corresponding relation between the database and knowledge base, which are the basis of double-base

Keywords： knowledge node     primitive knowledge base     primitive database     data sub-class structure     doublebase cooperating    

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Synergistic effect of V and Fe in Ni/Fe/V ternary layered double hydroxides for efficient and durable

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 102-115 doi: 10.1007/s11705-022-2179-6

Abstract: Herein, via a one-pot hydrothermal method, Ni/Fe/V ternary layered double hydroxides (NiFeV-LDH) derived

Keywords： oxygen evolution reaction     electrocatalysts     ternary layered double hydroxides     long-term stability    

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Prediction and cause investigation of ozone based on a double-stage attention mechanism recurrent neural

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 2, doi: 10.1007/s11783-023-1621-4

Abstract:

● Used a double-stage attention mechanism model to predict ozone.

Keywords： Ozone prediction     Deep learning     Time series     Attention     Volatile organic compounds    

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Future Development Analysis of Chinese Burst Resistant Steel-Composites Structural Pressure Vessel Technology

Zhu Guohui

Strategic Study of CAE 2000, Volume 2, Issue 6,   Pages 8-11

Abstract:

Pressure vessel technology is an important engineering scientific technology used widely in various industrial and high technologic fields.

The so-called high technologic pressured equipment includes large pressure storage tanks, ammonia synthetic reactors, urea synthetic reactors, petroleum hydrogenation reactors, large rocket shells, liquid hydrogen and oxygen pressure vessels, nuclear power station pressure vessels and so on.

“Filament-Composites structural pressure vessel technology” and “General-Steel structural pressure vessel technology” are the two main sorts of the contemporary pressure vessel technology in the world.A unique sort named “Steel-Composites structural pressure vessel technology” with several unique structural technologic system from low to high pressure application field, which has included China National Invention Prize and 18 Chinese and US patents in its system has been developed in China mainly by the author during past 30 years. This unique sort of pressure vessel technology has the excellent burst resistant and manufacturing cost reduced up to 40% etc. outstanding structural technologic characteristics. This will lead a radical reformation of pressure vessel technology in the world.

A typical technology of this unique sort named “flat steel ribbon cross-helically wound pressure vessel technology” used widely in China during past 30 years has involved officially in the ASME BPV Code as code number 2229 and 2269 for Section Ⅷ , Division 1 and 2 in 1997 respectively for manufacturing various important large industrial pressured equipment in the world with internal diameter up to 3.66 m by American Society of Mechanical Engineers as the first instance of significant technology from China.

The unique pressure vessel technology was assessed an advanced high technology in the world. This will surely open a new development prospect in designing, manufacturing and safe protective technical aspects of the 21 st century by using the special Steel-Composites structural technologic nature.

Keywords： pressure vessel technology     filament-composites structure     steel-composites structure     compound thin innershell     cross-helical wound     total double layered     burst arrested and burst resistance    

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Title Author Date Type Operation

In situ synthesis of FeS/Carbon fibers for the effective removal of Cr(VI) in aqueous solution

Rongrong Zhang, Daohao Li, Jin Sun, Yuqian Cui, Yuanyuan Sun

Journal Article

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

Journal Article

Effects of Boundary Condition and Helix Angle on Meshing Performance of TI Worm Gearing

SUN Yue-hai, DUAN Lu-qian, WANG Shu-ren, ZHANG Ce

Journal Article

Mechanical design and analysis of a novel variable stiffness actuator with symmetrical pivot adjustment

Journal Article

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

ZHANG Xiufang, XU Shilang, ZHENG Shuang

Journal Article

Wave Interaction with a Partial Porous Double-Wall Cylinder

Teng Bin,Li Yucheng,Sun Lu

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

Nanosilver anchored alginate/poly(acrylic acid/acrylamide) double-network hydrogel composites for efficient

Journal Article

A Study on Double Bases Cooperating Mechanism in KDD ( I )

Yang Bingru,Wang Jianxin

Journal Article

Synergistic effect of V and Fe in Ni/Fe/V ternary layered double hydroxides for efficient and durable

Journal Article

Prediction and cause investigation of ozone based on a double-stage attention mechanism recurrent neural

Journal Article

Future Development Analysis of Chinese Burst Resistant Steel-Composites Structural Pressure Vessel Technology

Zhu Guohui

Journal Article