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Experimental and parametrical investigation of pre-stressed ultrahigh-performance fiber-reinforced concrete railway sleepers

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 411-428 doi: 10.1007/s11709-023-0928-3

Abstract: bending tests at the center and rail seat sections, and the screw on the fastening system is pulled out

Keywords： pre-stressed concrete sleeper     ultrahigh performance fiber-reinforced concrete     pull-out test     staticbending test     steel fiber     aspect ratio     volume fraction    

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Structural performance of a façade precast concrete sandwich panel enabled by a bar-type basalt fiber-reinforced polymer connector

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 122-137 doi: 10.1007/s11709-022-0894-1

Abstract: First, pull-out tests were conducted to evaluate the anchoring performance of the connector in concreteAfter the test on the individual performance of the connector, five façade PCSP specimens with the bar-typeBFRP connector were fabricated, and the out-of-plane flexural performance was tested under a uniformlyachieve a partially composite PCSP; 3) the boundary condition of the panel considerably influenced the out-of-plane

Keywords： precast concrete sandwich panel     basalt fiber reinforced polymer     pull-out performance     shear performance     out-of-plane flexural performance    

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Seismic response of precast reinforced concrete wall subjected to cyclic in-plane and constant out-of-plane

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1128-1143 doi: 10.1007/s11709-021-0753-5

Abstract: behavior of a full-scale precast reinforced concrete wall under in-plane cyclic loading combined with out-of-planeThe tested wall exhibited flexural cracks, owing to the high aspect ratio and considerable out-of-planeand deformation characteristics governed by its ductile response in the nonlinear phase during the test

Keywords： precast wall     basement wall     out-of-plane response     quasi-static test     sand backfill     seismic parameters    

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Model test of the group piles foundation of a high-speed railway bridge in mined-out area

Xin LIANG,Qian-gong CHENG,Jiu-jiang WU,Jian-ming CHEN

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 488-498 doi: 10.1007/s11709-016-0338-x

Abstract: mechanism of pile-soil-cap-goaf interaction and settlement of high-speed railway bridge located in mined-outgroup of Guanshandi bridge foundation in Hefei-Fuzhou high-speed railway as the prototype, a model testis carried out.addition, the formula for calculating bearing capacity and settlement of pile group in goaf based on test

Keywords： high-speed railway     mined-out areas     goaf     group piles foundation     physical model test     bearing capacity     settlement    

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A review of salting-out effect and sugaring-out effect: driving forces for novel liquid-liquid extraction

Chuhan Fu, Zhuoxi Li, Zengran Sun, Shaoqu Xie

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 4,   Pages 854-871 doi: 10.1007/s11705-020-1980-3

Abstract: This review introduces the separation technologies (salting-out extraction, salting-out, sugaring-outextraction, and sugaring-out) that extract biobutanol, 1,3-propanediol, 2,3-butanediol, acetoin, organicSalting-out/sugaring-out extraction and salting-out/sugaring-out technologies display the high separatingThe successful research into the salting-out/sugaring-out and salting-out/sugaring-out extraction not

Keywords： salting-out     sugaring-out     extraction     biofuels     biochemicals     application    

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Experimental study on behavior of mortar-aggregate interface after elevated temperatures

Wan WANG, Jianzhuang XIAO, Shiying XU, Chunhui WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 158-168 doi: 10.1007/s11709-016-0374-6

Abstract: A push-out test program was designed and conducted to study the meso-scale behavior of mortar-aggregateFollowing that the specimens were cooled to room temperature and push-out tests were conducted.

Keywords： mortar-aggregate interface     push-out test     elevated temperatures     modeled concrete (MC)     modeled recycled    

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Behavior and strength of headed stud shear connectors in ultra-high performance concrete of composite bridges

Jianan QI, Yuqing HU, Jingquan WANG, Wenchao LI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1138-1149 doi: 10.1007/s11709-019-0542-6

Abstract: Four push-out specimens were tested.

Keywords： ultra-high performance concrete     studs     shear strength     FE analysis     push-out test    

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Zooming in and out of ferroptosis in human disease

Frontiers of Medicine 2023, Volume 17, Issue 2,   Pages 173-206 doi: 10.1007/s11684-023-0992-z

Abstract: Ferroptosis is defined as an iron-dependent regulated form of cell death driven by lipid peroxidation. In the past decade, it has been implicated in the pathogenesis of various diseases that together involve almost every organ of the body, including various cancers, neurodegenerative diseases, cardiovascular diseases, lung diseases, liver diseases, kidney diseases, endocrine metabolic diseases, iron-overload-related diseases, orthopedic diseases and autoimmune diseases. Understanding the underlying molecular mechanisms of ferroptosis and its regulatory pathways could provide additional strategies for the management of these disease conditions. Indeed, there are an expanding number of studies suggesting that ferroptosis serves as a bona-fide target for the prevention and treatment of these diseases in relevant pre-clinical models. In this review, we summarize the progress in the research into ferroptosis and its regulatory mechanisms in human disease, while providing evidence in support of ferroptosis as a target for the treatment of these diseases. We also discuss our perspectives on the future directions in the targeting of ferroptosis in human disease.

Keywords： ferroptosis     human disease     iron metabolism     lipid peroxidation     antioxidation    

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Mechatronic design of a novel linear compliant positioning stage with large travel range and high out-of-plane

Hua LIU, Xin XIE, Ruoyu TAN, Lianchao ZHANG, Dapeng FAN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 265-278 doi: 10.1007/s11465-017-0453-y

Abstract: These parallelograms are serially connected for a large travel range and a high out-of-plane payloadThe results of payload tests indicate that the stage has at least 20 kg out-of-plane payload capacity

Keywords： mechatronic design     linear compliant positioning stage     large travel range     high out-of-plane payload capacity    

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The German Energiewende and its roll-out of renewable energies: An economic perspective

Sebastian KREUZ, Felix MÜSGENS

Frontiers in Energy 2017, Volume 11, Issue 2,   Pages 126-134 doi: 10.1007/s11708-017-0467-5

Abstract: This paper gives a short overview of the German Energiewende, i.e. the transition of a large and mostly thermal electricity system towards electricity generation from renewable energy source. It discusses both, the motivation of the transitions as future goals and current status. Furthermore, it gives an in-depth view into the changes in economic costs for society as well as electricity price effects, especially for average private households and industrial consumers. It also discusses the benefits of the promotion of renewable energies in Germany.

Keywords： electricity system     renewable energy     cost-benefit analysis    

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Washing out heavy metals from contaminated soils from an iron and steel smelting site

Guangxu ZHU,Qingjun GUO,Junxing YANG,Hanzhi ZHANG,Rongfei WEI,Chunyu WANG,Marc PETERS,Xiaoyong ZHOU,Jun YANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 634-641 doi: 10.1007/s11783-014-0713-6

Abstract: Hydrochloric acid and EDTA were more efficient than the other washing agents in the remediation of the test

Keywords： heavy metals     soil washing     toxicity reduction index     iron and steel smelting site    

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Out-of-plane elastic buckling load and strength design of space truss arch with a rectangular section

Senping WANG; Xiaolong LIU; Bo YUAN; Minjie SHI; Yanhui WEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1141-1152 doi: 10.1007/s11709-022-0866-5

Abstract: The out-of-plane stability of the two-hinged space truss circular arch with a rectangular section isThe calculation formula of out-of-plane elastic buckling loads of the space truss arch is derived basedon the classical solution of out-of-plane flexural-torsional buckling loads of the solid web arch.Numerical research of the out-of-plane stability of space truss arches under different load cases showsSecondly, the design formulas to predict the out-of-plane elastoplastic stability strength of space truss

Keywords： torsional stiffness     strength design     elastic buckling     space truss arches     out-of-plane    

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Genetic Engineering Aims to Take a Bite Out of Insect Pests

Chris Palmer

Engineering 2022, Volume 18, Issue 11,   Pages 6-8 doi: 10.1016/j.eng.2022.09.004

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conservation in China’s coal-fired power industry by installing advanced units and organized phasing out

Weiliang WANG, Junfu LYU, Zheng LI, Hai ZHANG, Guangxi YUE, Weidou NI

Frontiers in Energy 2019, Volume 13, Issue 4,   Pages 798-807 doi: 10.1007/s11708-019-0633-z

Abstract: up-gradation of the national unit capacity structure (including installing advanced production and phasing outunit capacity structure up-gradation on the decline in the national average NCCR suggests that phasing outSince the effect of phasing out backward production may remain at a certain degree given a continualaction of phasing out backward capacity, it is suggested that the organized action of phasing out backward

Keywords： coal-fired power     energy conservation     net coal consumption rate     new installation     phasing out backward    

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Porous silica synthesis out of coal fly ash with no residue generation and complete silicon separation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1712-2

Abstract:

● Both amorphous and crystalline silicon are completely separated from coal fly ash.

Keywords： Coal fly ash     Alkali fusion     Micro-/meso-porous Si     Zeolite MCM-48     Crystalline transformation    

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Title Author Date Type Operation

Experimental and parametrical investigation of pre-stressed ultrahigh-performance fiber-reinforced concrete railway sleepers

Journal Article

Structural performance of a façade precast concrete sandwich panel enabled by a bar-type basalt fiber-reinforced polymer connector

Journal Article

Seismic response of precast reinforced concrete wall subjected to cyclic in-plane and constant out-of-plane

Journal Article

Model test of the group piles foundation of a high-speed railway bridge in mined-out area

Xin LIANG,Qian-gong CHENG,Jiu-jiang WU,Jian-ming CHEN

Journal Article

A review of salting-out effect and sugaring-out effect: driving forces for novel liquid-liquid extraction

Chuhan Fu, Zhuoxi Li, Zengran Sun, Shaoqu Xie

Journal Article

Experimental study on behavior of mortar-aggregate interface after elevated temperatures

Wan WANG, Jianzhuang XIAO, Shiying XU, Chunhui WANG

Journal Article

Behavior and strength of headed stud shear connectors in ultra-high performance concrete of composite bridges

Jianan QI, Yuqing HU, Jingquan WANG, Wenchao LI

Journal Article

Zooming in and out of ferroptosis in human disease

Journal Article

Mechatronic design of a novel linear compliant positioning stage with large travel range and high out-of-plane

Hua LIU, Xin XIE, Ruoyu TAN, Lianchao ZHANG, Dapeng FAN

Journal Article

The German Energiewende and its roll-out of renewable energies: An economic perspective

Sebastian KREUZ, Felix MÜSGENS

Journal Article

Washing out heavy metals from contaminated soils from an iron and steel smelting site

Guangxu ZHU,Qingjun GUO,Junxing YANG,Hanzhi ZHANG,Rongfei WEI,Chunyu WANG,Marc PETERS,Xiaoyong ZHOU,Jun YANG

Journal Article

Out-of-plane elastic buckling load and strength design of space truss arch with a rectangular section

Senping WANG; Xiaolong LIU; Bo YUAN; Minjie SHI; Yanhui WEI

Journal Article

Genetic Engineering Aims to Take a Bite Out of Insect Pests

Chris Palmer

Journal Article

conservation in China’s coal-fired power industry by installing advanced units and organized phasing out

Weiliang WANG, Junfu LYU, Zheng LI, Hai ZHANG, Guangxi YUE, Weidou NI

Journal Article

Porous silica synthesis out of coal fly ash with no residue generation and complete silicon separation

Journal Article