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Effects of carrier-attached biofilm on oxygen transfer efficiency in a moving bed biofilm reactor

Yanling WEI,Xunfei YIN,Lu QI,Hongchen WANG,Yiwei GONG,Yaqian LUO

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 569-577 doi: 10.1007/s11783-015-0822-x

Abstract: filling ratios ranging from 40% to 60% were used to study the effects of carrier-attached biofilm on oxygentransfer efficiency.In this study, we evaluated the performance of three MBBRs in degrading chemical oxygen demand and ammoniaThe standard oxygen transfer efficiency (αSOTE) of the three reactors was also investigated at air flow-rates

Keywords： carrier     biofilm     oxygen transfer efficiency     moving bed biofilm reactor    

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High-efficiency inspecting method for mobile robots based on task planning for heat transfer tubes in

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0741-z

Abstract: Many heat transfer tubes are distributed on the tube plates of a steam generator that requires periodicmanipulators need complicated installation due to their fixed base; tube mobile robots suffer from low running efficiencycan accomplish full task coverage with few repetitive or redundant inspections and it increases the efficiency

Keywords： steam generator transfer tubes     mobile robot     dexterous structure     task planning     efficient inspection    

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Experimental study of heat transfer coefficient with rectangular baffle fin of solar air heater

Foued CHABANE,Nesrine HATRAF,Noureddine MOUMMI

Frontiers in Energy 2014, Volume 8, Issue 2,   Pages 160-172 doi: 10.1007/s11708-014-0321-y

Abstract: The heat transfer coefficient between the absorber plate and air can be considerably increased by usingexperimental study has been conducted to investigate the effect of roughness and operating parameters on heat transferTo determine the enhancement in heat transfer and increment in thermal efficiency, the values of Nusselt

Keywords： Nusselt number     flow rate     heat transfer     heat transfer coefficient     thermal efficiency     forced convection    

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Factors influencing the somatic cell nuclear transfer efficiency in pigs

Yong JIN, Manling ZHANG, Xinrong JU, Shuang LIANG, Qiang XIONG, Lihua ZHAO, Xiaowei NIE, Daorong HOU, Qiang LIU, Junzheng WANG, Chenyu WANG, Xiaokang LI, Lining ZHANG, Xiaorui LIU, Ying WANG, Haiyuan YANG, Yifan DAI, Rongfeng LI

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 1,   Pages 73-80 doi: 10.15302/J-FASE-2018220

Abstract:

Using a data set from our laboratory, we assessed the effects of several factors on pig cloning efficiencyconfluence (>90%) used as donor cell resulted in higher pregnancy rate, delivery rate and overall cloning efficiencyThe number of blastocysts transferred by somatic cell nuclear transfer (SCNT) did not significantly affectthe cloning efficiency, but transfer of blastocyst derived from culture 5 d after SCNT achieved a significantlyOur data might be helpful for improving SCNT efficiency in pigs.

Keywords： blastocyst     donor cell     estrus synchronization     pregnancy rate     pig cloning     somatic cell nuclear transfer    

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Enhanced catalytic oxidation of 2,4-dichlorophenol via singlet oxygen dominated peroxymonosulfate activation

Tianhao Xi, Xiaodan Li, Qihui Zhang, Ning Liu, Shu Niu, Zhaojun Dong, Cong Lyu

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1347-5

Abstract: . • Faster electron transfer rate promoted the generation of reactive oxygen species. • 1O2 was identifiedCobalt oxyhydroxide (CoOOH) has been turned out to be a high-efficiency catalyst for peroxymonosulfateFaster electron transfer facilitated the redox reaction of Co (III) / Co (II) and thus was more favorablefor reactive oxygen species (ROS) generation.

Keywords： Cobalt oxyhydroxide     Bismuth oxide     Peroxymonosulfate     2     4-dichlorophenol     Singlet oxygen     Electron transfer    

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Elimination of antibiotic resistance genes and control of horizontal transfer risk by UV-based treatment

Virender K. Sharma, Xin Yu, Thomas J. McDonald, Chetan Jinadatha, Dionysios D. Dionysiou, Mingbao Feng

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1122-7

Abstract:

Antibiotic-resistant bacteria and antibiotic resistance genes are in water bodies.

UV/chlorination method is better to remove ARGs than UV or chlorination alone.

Research on UV/hydrogen peroxide to eliminate ARGs is forthcoming.

UV-based photocatalytic processes are effective to degrade ARGs.

Keywords： bacteria     Advanced oxidation processes     Disinfection     Reactive chlorine species     Sulfate radicals     Reactive oxygen    

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Heterometallic cluster-based organic frameworks as highly active electrocatalysts for oxygen reductionand oxygen evolution reaction: a density functional theory study

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 570-580 doi: 10.1007/s11705-022-2247-y

Abstract: The oxygen reduction reaction and oxygen evolution reaction catalytic activities of heterometallic cluster-basedAmong all heterometallic clusters, Fe2Mn–Mn has a minimum overpotential of 0.35 V for oxygenreduction reaction, and Fe2Co–Co possesses the smallest overpotential of 0.32 V for oxygenconclusion, the mixed-metal cluster strategy provides a new approach to further design and synthesize high-efficiency

Keywords： bimetallic metal–organic frameworks     bifunctional electrocatalyst     density functional theory     oxygenreduction reaction     oxygen evolution reaction    

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Experimental study on performance of passive and active solar stills in Indian coastal climatic condition

R. LALITHA NARAYANA, V. RAMACHANDRA RAJU

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 105-113 doi: 10.1007/s11708-018-0536-4

Abstract: passive mode to optimize the water depth for the same solar still for maximum yield and distillation efficiencyIt is observed that both the mass flow rate and the variation of internal heat transfer coefficients

Keywords： distillation efficiency     solar still     heat transfer coefficient     water depth     optimum and mass flow rate    

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Interface engineering for enhancing electrocatalytic oxygen evolution reaction of CoS/CeO heterostructures

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3,   Pages 376-383 doi: 10.1007/s11705-021-2062-x

Abstract: To realize renewable energy conversion, it is important to develop low-cost and high-efficiency electrocatalystfor oxygen evolution reaction.The interface engineering of CoS and CeO2 facilitates a rapid charge transfer from CeO

Keywords： interface engineering     CoS/CeO2     electrodeposition     electrocatalyst     oxygen evolution reaction    

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High-entropy catalysts for electrochemical water-electrolysis of hydrogen evolution and oxygen evolution

Frontiers in Energy doi: 10.1007/s11708-023-0892-6

Abstract: entropy materials (HEMs) have developed rapidly in the field of electrocatalytic water-electrolysis for oxygen

Keywords： high-entropy     electrocatalysis     synthetic methods     water-electrolysis     hydrogen and oxygen evolutions    

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Improving the efficiency of magnetic coupling energy transfer by etching fractal patterns in the shielding

Qing-feng LI,Shao-bo CHEN,Wei-ming WANG,Hong-wei HAO,Lu-ming LI

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 1,   Pages 74-82 doi: 10.1631/FITEE.1500114

Abstract:

Thin metal sheets are often located in the coupling paths of magnetic coupling energy transfer (MCETEddy currents in the metals reduce the energy transfer efficiency and can even present safety risks.describes the use of etched fractal patterns in the metals to suppress the eddy currents and improve the efficiencyFurthermore,transfer power, transfer efficiency, receiving efficiency, and eddy current losses all increaseThese results can benefit MCET by efficient energy transfer and safe use in metal shielded equipment.

Keywords： Fractal pattern     Metal-layer-shield     Eddy current     Magnetic coupling energy transfer    

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A review of Pt-based electrocatalysts for oxygen reduction reaction

Changlin ZHANG, Xiaochen SHEN, Yanbo PAN, Zhenmeng PENG

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 268-285 doi: 10.1007/s11708-017-0466-6

Abstract: Development of active and durable electrocatalyst for oxygen reduction reaction (ORR) remains one challenge

Keywords： oxygen reduction reaction (ORR)     electrocatalysis     platinum catalyst     activity     durability    

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Photoreduction adjusted surface oxygen vacancy of BiMoO for boosting photocatalytic redox performance

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1937-1948 doi: 10.1007/s11705-023-2353-5

Abstract: In this study, Bi2MoO6 with adjustable rich oxygen vacancies was prepared by aThe experiment results show that Bi2MoO6 with rich oxygen vacancies is an excellentThe results display that the band energy of the samples with oxygen vacancies was narrowed and the lightMeanwhile, the efficiency of photogenerated electron-holes was increased and the separation and transferTherefore, this work provides a convenient and efficient method to prepare potential adjustable oxygen

Keywords： Bi2MoO6     oxygen vacancies     photoreduction     Cr(VI)     RhB    

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Role of oxygen vacancy inducer for graphene in graphene-containing anodes

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 326-333 doi: 10.1007/s11705-022-2213-8

Abstract: In this study, a new graphene role (oxygen vacancy inducer) in graphene/oxides composites anodes, whichgraphene forms carbon vacancies due to increased thermal vibration, and the carbon vacancies capture oxygenatoms, facilitating the formation of oxygen vacancies in oxides.Moreover, the induced oxygen vacancy concentrations can be regulated by sintering temperatures, and theAccording to density functional theory calculations and electrochemical measurements, the oxygen vacancies

Keywords： oxide     oxygen vacancy     graphene     anode     density functional theory calculation    

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Multivalent manganese oxides with high electrocatalytic activity for oxygen reduction reaction

Xiangfeng Peng, Zhenhai Wang, Zhao Wang, Yunxiang Pan

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 790-797 doi: 10.1007/s11705-018-1706-y

Abstract: The prepared catalyst shows a higher electrocatalytic activity towards the oxygen reduction reactionenhanced activity could be due to the coexistence of manganese ions with different valences, the higher oxygen

Keywords： oxygen reduction reaction     manganese oxides     mixed valences of manganese     oxygen adsorption     dielectric barrier    

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Title Author Date Type Operation

Effects of carrier-attached biofilm on oxygen transfer efficiency in a moving bed biofilm reactor

Yanling WEI,Xunfei YIN,Lu QI,Hongchen WANG,Yiwei GONG,Yaqian LUO

Journal Article

High-efficiency inspecting method for mobile robots based on task planning for heat transfer tubes in

Journal Article

Experimental study of heat transfer coefficient with rectangular baffle fin of solar air heater

Foued CHABANE,Nesrine HATRAF,Noureddine MOUMMI

Journal Article

Factors influencing the somatic cell nuclear transfer efficiency in pigs

Yong JIN, Manling ZHANG, Xinrong JU, Shuang LIANG, Qiang XIONG, Lihua ZHAO, Xiaowei NIE, Daorong HOU, Qiang LIU, Junzheng WANG, Chenyu WANG, Xiaokang LI, Lining ZHANG, Xiaorui LIU, Ying WANG, Haiyuan YANG, Yifan DAI, Rongfeng LI

Journal Article

Enhanced catalytic oxidation of 2,4-dichlorophenol via singlet oxygen dominated peroxymonosulfate activation

Tianhao Xi, Xiaodan Li, Qihui Zhang, Ning Liu, Shu Niu, Zhaojun Dong, Cong Lyu

Journal Article

Elimination of antibiotic resistance genes and control of horizontal transfer risk by UV-based treatment

Virender K. Sharma, Xin Yu, Thomas J. McDonald, Chetan Jinadatha, Dionysios D. Dionysiou, Mingbao Feng

Journal Article

Heterometallic cluster-based organic frameworks as highly active electrocatalysts for oxygen reductionand oxygen evolution reaction: a density functional theory study

Journal Article

Experimental study on performance of passive and active solar stills in Indian coastal climatic condition

R. LALITHA NARAYANA, V. RAMACHANDRA RAJU

Journal Article

Interface engineering for enhancing electrocatalytic oxygen evolution reaction of CoS/CeO heterostructures

Journal Article

High-entropy catalysts for electrochemical water-electrolysis of hydrogen evolution and oxygen evolution

Journal Article

Improving the efficiency of magnetic coupling energy transfer by etching fractal patterns in the shielding

Qing-feng LI,Shao-bo CHEN,Wei-ming WANG,Hong-wei HAO,Lu-ming LI

Journal Article

A review of Pt-based electrocatalysts for oxygen reduction reaction

Changlin ZHANG, Xiaochen SHEN, Yanbo PAN, Zhenmeng PENG

Journal Article

Photoreduction adjusted surface oxygen vacancy of BiMoO for boosting photocatalytic redox performance

Journal Article

Role of oxygen vacancy inducer for graphene in graphene-containing anodes

Journal Article

Multivalent manganese oxides with high electrocatalytic activity for oxygen reduction reaction

Xiangfeng Peng, Zhenhai Wang, Zhao Wang, Yunxiang Pan

Journal Article