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Degradation of permeability resistance of high strength concrete after combustion

LI Min, QIAN Chunxiang, KAO Hongtao

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 281-287 doi: 10.1007/s11709-008-0031-9

Abstract: evaluate the remaining durability of concrete materials after combustion, the permeability of high strengthbehavior of chloride ion, water and air in concrete after combustion and the effect of temperature, strengthAfter the same temperature, the permeability coefficient of HSC is lower than that of normal strengthHowever, the degree of degradation of permeability coefficient of HSC is greater than that of NSC.Combining changes of compressive strength and permeability, the remaining durability of concrete materials

Keywords： transport behavior     limestone     durability     permeability     HSC    

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Effect of eccentricity in reinforced concrete beam-column-slab connection under cyclic loading

Rooh ULLAH, Amjad NASEER, Muhammad FAHIM, Mohammad ASHRAF, Eid BADSHAH

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 390-398 doi: 10.1007/s11709-021-0690-3

Abstract: damage pattern, performance levels, displacement ductility ( ), energy dissipation, and connection strengtheccentricity has no significant effect on the lateral load carrying capacity; however, the overall strengthdegradation increases with the increase in eccentricity.increased from 12.5% to 25%; however, the eccentricity had no significant effect on the overall stiffness degradation

Keywords： corner connection     eccentricity     strength degradation     stiffness degradation     energy dissipation     performance    

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Influence of construction-induced damage on the degradation of freeze–thawed lightweight cellular concrete

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 781-792 doi: 10.1007/s11709-021-0733-9

Abstract: construction of lightweight cellular concrete (LCC), material damage frequently occurs, causing the degradationtests and microstructural characterization to study the effect of microstructural damage on the overall strengthestablished the relationship between the pore-area ratio and F–T cycle times, pore-area ratio, and strength, as well as the F–T cycle times and strength under different damage forms.

Keywords： lightweight cellular concrete     construction-induced damage     freeze-thaw action     microstructure     degradation    

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Efficient degradation of orange II by ZnMn

Qingzhuo Ni, Hao Cheng, Jianfeng Ma, Yong Kong, Sridhar Komarneni

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 956-966 doi: 10.1007/s11705-019-1907-z

Abstract: Its catalytic activity has been investigated for the degradation of orange II dye using three differentThe last system exhibits the maximum degradation efficiency of 90%, much higher than the photocatalysisFurthermore, the potential degradation mechanisms applicable to the three systems are discussed withactive species such as Mn(III), O , h , e , SO and HO are proposed to be responsible for the excellent degradation

Keywords： ZnMn2O4     photo-chemical catalysis     bisulfite     dye degradation    

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Promotive effect of pyridine on indole degradation by activated sludge under anoxic conditions

LI Yongmei, GU Guowei, LI Wenshu

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 493-497 doi: 10.1007/s11783-007-0079-0

Abstract: Batch experiments were carried out to investigate the promotive effect of pyridine on indole degradation

Keywords： wastewater treatment     coal-coking wastewater     promotive     degradation    

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

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

Abstract: In the tap water system and simulated seawater system, the degradation time of p-nitrophenol atMoreover, the catalyst exhibited outstanding performance in the degradation experiment of four typical

Keywords： double-network hydrogel     dye degradation     silver nanoparticles     alginate    

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Sustainable wood-based nanotechnologies for photocatalytic degradation of organic contaminants in aquatic

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1346-6

Abstract:

•Wood and its reassemblies are ideal substrates to develop novel photocatalysts.

Keywords： Wood     Nanocatalysts     Photodegradation     Organic contaminants     Composites    

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Thermal degradation kinetics and lifetime estimation for polycarbonate/polymethylphenylsilsesquioxane

Jiangbo WANG, Zhong XIN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 167-171 doi: 10.1007/s11705-009-0006-y

Abstract: The thermal degradation behaviors of polycarbonate/polymethylphenylsilsesquioxane (FRPC) composites wereThe isothermal kinetics equation was used to describe the thermal degradation process.The results showed that activation energy ( ), in the case of isothermal degradation, was a quick increasingisothermal condition, the addition of polymethylphenylsilsesquioxane (PMPSQ) retardanted the thermal degradationand enhanced the thermal stability of PC during the early and middle stages of thermal degradation.

Keywords： polycarbonate     polymethylphenylsilsesquioxane     thermal degradation kinetics     activation energy     lifetime    

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Evaluating the material strength from fracture angle under uniaxial loading

Jitang FAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 288-293 doi: 10.1007/s11709-018-0480-8

Abstract: The most common experimental methods of measuring material strength are the uniaxial compressive andCompressive strength is higher than tensile strength for a material.In this work, a unified relation of material strength under uniaxial compression and tension is developedThis constitutive relation is quantitatively illustrated by a function for analyzing the material strengthIt is full of interest to give a scientific illustration for designing the high-strength materials and

Keywords： strength     fracture     mechanics    

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bismuth oxyiodide with highly exposed (110) facets on curved carbon nitride for the photocatalytic degradation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 7,   Pages 1125-1138 doi: 10.1007/s11705-021-2116-0

Abstract: (110) facet and abundant oxygen vacancies were successfully designed to enhance the photocatalytic degradationOxytetracycline (OTC) and methyl blue dyes were used as targets for pollutant degradation, and 85.6%and 96.5% photocatalytic degradation efficiencies, respectively, were observed in the optimal proportionshowed that •O2– and h+ played a major role in the process of pollutant degradationchromatography-mass spectrography was used to identify the reaction intermediates of OTC, and the possible degradation

Keywords： high-exposure (110) facet     oxygen vacancy-rich     BiOI-110/DCN heterojunction     photocatalytic degradation    

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UV-LED/P25-based photocatalysis for effective degradation of isothiazolone biocide

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1379-x

Abstract:

• UV-LED with shorter wavelength was beneficial for photocatalytic degradation

Keywords： Degradation     Photocatalytic     LED     CMIT     P25    

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Mechanistic insights into the selective photocatalytic degradation of dyes over TiO/ZSM-11

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1701-5

Abstract:

● TiO2/ZSM-11 was prepared by a facile solid state dispersion method.

Keywords： Selective dye degradation     Photocatalysis     TiO2     ZSM-11     Chemisorption    

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Photocatalytic degradation of methyl orange using ZnO/TiO composites

Ming GE , Changsheng GUO , Xingwang ZHU , Lili MA , Wei HU , Yuqiu WANG , Zhenan HAN ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 271-280 doi: 10.1007/s11783-009-0035-2

Abstract: and ultrasonic precipitation followed by heat treatment in order to investigate their photocatalytic degradationThe degradation efficiencies of MO at various pH values were obtained.The highest degradation efficiencies were obtained before 30min and after 60min at pHSix intermediates were found during the photocatalytic degradation process of quinonoid MO.The degradation pathway of quinonoid MO was also proposed.

Keywords： photocatalytic degradation     methyl orange     ZnO/TiO2 composites     high performance liquid chromatography    

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Acid Orange 7 degradation using methane as the sole carbon source and electron donor

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1468-5

Abstract:

• AO7 degradation was coupled with anaerobic methane oxidation.

Keywords： Azo dyes     AO7 degradation     Anaerobic methane oxidation     Microbial community     ANME-2d    

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Photocatalytic degradation of polybrominated diphenyl ethers in pure water system

Min ZHANG,Jian LU,Yiliang HE,P Chris WILSON

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 229-235 doi: 10.1007/s11783-014-0762-x

Abstract: In this study the photocatalytic degradation of decabromodiphenyl ether (BDE209), a type of polybrominatedAlthough the addition of organic solvent (tetrahydrofuran, THF) could lead to a relatively high BDE209 degradationtetrahydro-2-furanol and γ-butyrolactone, were detected indicating the engagement of THF in the BDE209 degradationThe photocatalytic degradation of BDE209 in the pure water system followed first-order kinetics.The BDE209 degradation rate constant increased from 0.0011 to 0.0023 min as the pH increased from 3

Keywords： polybrominated diphenyl ethers     photocatalytic degradation     solvent    

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Title Author Date Type Operation

Degradation of permeability resistance of high strength concrete after combustion

LI Min, QIAN Chunxiang, KAO Hongtao

Journal Article

Effect of eccentricity in reinforced concrete beam-column-slab connection under cyclic loading

Rooh ULLAH, Amjad NASEER, Muhammad FAHIM, Mohammad ASHRAF, Eid BADSHAH

Journal Article

Influence of construction-induced damage on the degradation of freeze–thawed lightweight cellular concrete

Journal Article

Efficient degradation of orange II by ZnMn

Qingzhuo Ni, Hao Cheng, Jianfeng Ma, Yong Kong, Sridhar Komarneni

Journal Article

Promotive effect of pyridine on indole degradation by activated sludge under anoxic conditions

LI Yongmei, GU Guowei, LI Wenshu

Journal Article

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

Journal Article

Sustainable wood-based nanotechnologies for photocatalytic degradation of organic contaminants in aquatic

Journal Article

Thermal degradation kinetics and lifetime estimation for polycarbonate/polymethylphenylsilsesquioxane

Jiangbo WANG, Zhong XIN

Journal Article

Evaluating the material strength from fracture angle under uniaxial loading

Jitang FAN

Journal Article

bismuth oxyiodide with highly exposed (110) facets on curved carbon nitride for the photocatalytic degradation

Journal Article

UV-LED/P25-based photocatalysis for effective degradation of isothiazolone biocide

Journal Article

Mechanistic insights into the selective photocatalytic degradation of dyes over TiO/ZSM-11

Journal Article

Photocatalytic degradation of methyl orange using ZnO/TiO composites

Ming GE , Changsheng GUO , Xingwang ZHU , Lili MA , Wei HU , Yuqiu WANG , Zhenan HAN ,

Journal Article

Acid Orange 7 degradation using methane as the sole carbon source and electron donor

Journal Article

Photocatalytic degradation of polybrominated diphenyl ethers in pure water system

Min ZHANG,Jian LU,Yiliang HE,P Chris WILSON

Journal Article