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oxygen evolution reaction 11

oxygen reduction reaction 9

Low temperature 6

adsorption 5

low carbon 5

low carbon economy 5

Reactive oxygen species 4

reactive oxygen species 4

CO oxidation 3

CO2 capture 3

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Dissolved organic matter 3

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polyhydroxyalkanoates and glycogen transformations: Key aspects to biologic nitrogen and phosphorus removal in lowdissolved oxygen systems

Hongjing LI, Yinguang CHEN

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 283-290 doi: 10.1007/s11783-010-0243-9

Abstract: polyhydroxyalkanoates (PHA) and glycogen transformations on biologic nitrogen and phosphorus removal in lowdissolved oxygen (DO) systems.Two laboratory-scale sequencing batch reactors (SBR1 and SBR2) were operating with anaerobic/aerobic (lowDO, 0.15–0.45 mg·L ) configurations, which cultured a propionic to acetic acid ratio (molar carbon ratioDO) biologic nitrogen and phosphorus removal systems.

Keywords： low dissolved oxygen (DO)     biological nitrogen and phosphorus removal     polyhydroxyalkanoates (PHA)     glycogen    

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Effect of the addition of organic carbon sources on nitrous oxide emission in anaerobic-aerobic (lowdissolved oxygen) sequencing batch reactors

Hongjing LI, Xiurong CHEN, Yinguang CHEN

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 4,   Pages 490-499 doi: 10.1007/s11783-010-0248-4

Abstract: of additional organic carbon sources on the production of nitrous oxide (N O) in anaerobic-aerobic (lowdissolved oxygen) real wastewater treatment system was investigated.dissolved oxygen, 0.15–0.45 mg·L ) configuration.Off-gas analysis showed that N O was emitted into the atmosphere during the aerobic (low dissolved oxygendissolved oxygen) system.

Keywords： anaerobic-aerobic (low dissolved oxygen)     nitrous oxide (N2O) emitting rate     municipal wastewater    

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Control of sludge settleability and nitrogen removal under low dissolved oxygen condition

Zhaoxu PENG, Yongzhen PENG, Zhenbo YU, Xuliang LIU, Xiaoling LI, Randeng WANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 884-891 doi: 10.1007/s11783-012-0408-9

Abstract: Low dissolved oxygen (DO) is an energy-saving condition in activated sludge process.The results showed that prolonging low DO aeration duration and setting pre-anoxic (anaerobic) phaseEnergy consumption by aeration reduced under low DO LFB condition, whereas the nitrification performance

Keywords： limited filamentous bulking     sequencing batch reactor     sludge settleability     sludge volume index     simultaneous nitrification denitrification    

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Impact of dissolved oxygen on the production of nitrous oxide in biological aerated filters

Qiang He, Yinying Zhu, Guo Li, Leilei Fan, Hainan Ai, Xiaoliu Huangfu, Hong Li

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0964-0

Abstract: employed to evaluate the Nitrous oxide (N O) production in biological aerated filters (BAFs) under varied dissolvedoxygen (DO) concentrations during treating wastewater under laboratory scale.6.0 to 2.0 mg·L , indicating that low DO may drive N O generation.While at a low DO concentration (2.0 mg·L ), might play a role., and may be helpful for reduction of N O through regulation of DO levels.

Keywords： Nitrous oxide     Biological aerated filter     Microelectrode     Dissolved oxygen     Biofilm    

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Phosphorus transformation under the influence of aluminum, organic carbon, and dissolved oxygen at the

Ouchen Cai, Yuanxiao Xiong, Haijun Yang, Jinyong Liu, Hui Wang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1227-z

Abstract: The effects of sediment aluminum (Al), organic carbon (OC), and dissolved oxygen (DO) on phosphorus (The above three factors had various influences on dissolved P concentration, water pH, water and surfacesuppressing P release, and the water pH remained alkaline in the water-sediment system under various OC and DOSince Al, OC, and DO can be controlled with engineering methods, the results of this study provide insights

Keywords： Phosphorus     Sediment     Simulation     Dissolved oxygen     Organic carbon     Aluminum    

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Removal of dissolved oxygen from water using a Pd-resin based catalytic reactor

Wenxin SHI, Chongwei CUI, Liye ZHAO, Shuili YU, Xia YUN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 107-111 doi: 10.1007/s11705-009-0154-0

Abstract: The removal of dissolved oxygen (DO) from water was studied experimentally in a Pd-resin base catalystThe change of pH value from 4 to 12 resulted in no effect on DO removal.Reaction time was the key factor to control the DO removal efficiency.when the reaction time was longer than 2.3 minutes under the experimental conditions, could a very lowDO level be achieved.

Keywords： dissolved oxygen     palladium     catalytic reactor     hydrogen     resin    

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An experimental study on ignition of single coal particles at low oxygen concentrations

Wantao YANG, Yang ZHANG, Lilin HU, Junfu LYU, Hai ZHANG

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 38-45 doi: 10.1007/s11708-020-0692-1

Abstract: An experimental study on the ignition of single coal particles at low oxygen concentrations ( <21%) wasobtained at a high value, the ignition delay time decreases more rapidly as increases at the lowthe variation of are different: decreases while remains nearly constant with increasing at a lowIn addition, is less sensitive to while the ignition temperature is more sensitive to at a lowAt a low value, buoyancy plays a more significant role in sweeping away the released volatiles during

Keywords： coal particles     low oxygen concentration     ignition     ignition temperature     ignition modes    

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Effects of oxidizing environment on digestate humification and identification of substances governing the dissolved

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1520-0

Abstract:

• Liquid digestate humification was investigated under different oxidizing environment.

Keywords： Liquid digestate     MnO2     Oxygen     DOM transformation     Humic-like acids    

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Simultaneous nitrification and denitrification in activated sludge system under low oxygen concentration

ZHANG Peng, ZHOU Qi

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 49-52 doi: 10.1007/s11783-007-0009-1

Abstract: In order to find the suitable conditions of this process, a mixed flow activated sludge system under lowoxygen concentration is investigated, and some key control parameters are examined for nitrogen removalThe results show that SND is accessible when oxygen concentration is 0.3 0.8 mg/L.Theoretical analysis indicates that SND is a physical phenomenon and governed by oxygen diffusion in

Keywords： synthetic wastewater     accessible     Simultaneous nitrification     MLSS·d     diffusion    

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A Hybrid Neural Network Model for Marine Dissolved Oxygen Concentrations Time-Series Forecasting Based Article

Hui Liu, Rui Yang, Zhu Duan, Haiping Wu

Engineering 2021, Volume 7, Issue 12,   Pages 1751-1765 doi: 10.1016/j.eng.2020.10.023

Abstract:

Dissolved oxygen (DO) is an important indicator of aquaculture, and its accurate forecasting can effectivelyIn this paper, a new DO hybrid forecasting model is proposed that includes three stages: multi-factorscreen out the environmental factors most closely related to DO.Second, the series of DO, water temperature, salinity, and oxygen saturation are decomposed adaptivelyFinally, a multi-factor ensemble model for DO is obtained by weighted allocation.

Keywords： Dissolved oxygen concentrations forecasting     Time-series multi-step forecasting     Multi-factor analysis    

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Unusual global outbreak of monkeypox: what should we do?

Frontiers of Medicine 2022, Volume 16, Issue 4,   Pages 507-517 doi: 10.1007/s11684-022-0952-z

Abstract: Recently, monkeypox has become a global concern amid the ongoing COVID-19 pandemic. Monkeypox is an acute rash zoonosis caused by the monkeypox virus, which was previously concentrated in Africa. The re-emergence of this pathogen seems unusual on account of outbreaks in multiple nonendemic countries and the incline to spread from person to person. We need to revisit this virus to prevent the epidemic from getting worse. In this review, we comprehensively summarize studies on monkeypox, including its epidemiology, biological characteristics, pathogenesis, and clinical characteristics, as well as therapeutics and vaccines, highlighting its unusual outbreak attributed to the transformation of transmission. We also analyze the present situation and put forward countermeasures from both clinical and scientific research to address it.

Keywords： monkeypox     poxviruses     vaccine     infectious diseases    

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Do right PLS and do PLS right: A critical review of the application of PLS-SEM in construction management

Ningshuang ZENG, Yan LIU, Pan GONG, Marcel HERTOGH, Markus KÖNIG

Frontiers of Engineering Management 2021, Volume 8, Issue 3,   Pages 356-369 doi: 10.1007/s42524-021-0153-5

Abstract: Partial least squares structural equation modeling (PLS-SEM) is a modern multivariate analysis technique with a demonstrated ability to estimate theoretically established cause-effect relationship models. This technique has been increasingly adopted in construction management research over the last two decades. Accordingly, a critical review of studies adopting PLS-SEM appears to be a timely and valuable endeavor. This paper offers a critical review of 139 articles that applied PLS-SEM from 2002 to 2019. Results show that the misuse of PLS-SEM can be avoided. Critical issues related to the application of PLS-SEM, research design, model development, and model evaluation are discussed in detail. This paper is the first to highlight the use and misuse of PLS-SEM in the construction management area and provides recommendations to facilitate the future application of PLS-SEM in this field.

Keywords： PLS     SEM     construction management     literature review     misuse    

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of different valent iron on anaerobic sludge digestion: Focusing on oxidation reduction potential, dissolved

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1514-3

Abstract:

• ORP value from −278.71 to −379.80 mV showed indiscernible effects on methane yield.

Keywords： Enhanced anaerobic sludge digestion     Different iron valence     Oxidation reduction potential     Dissolved    

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Photoaging mechanism of microplastics: a perspective on the effect of dissolved organic matter in natural

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1743-8

Abstract:

● Microplastics (MPs) undergo photoaging in natural water under light irradiation.

Keywords： Microplastics     Photoaging     Dissolved organic matter     ROS generation    

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How do project-oriented organizations enhance innovation? An institutional theory perspective

Frontiers of Engineering Management   Pages 427-438 doi: 10.1007/s42524-023-0258-0

Abstract: A project-oriented organization is a hybrid form of organization where a functional hierarchy is augmented with structures to manage projects strategically across the organization. Six project-oriented organizations from diverse industries that emphasize innovation in their strategies were selected for this study. We use the three pillars of institutional theory — regulative, normative and cultural-cognitive — and institutional entrepreneurship to analyze interview data from executive and project, program and portfolio management personnel in the project-oriented organizations to investigate how innovation is facilitated through external influences and internal responses. Our findings indicate that processes and new structures provide effective ways for innovation and, while individuals are important, processes are more effective than individuals at enabling innovation. We put forward some lessons for practice that emerge directly from the findings, including suggestions on improving allocation of resources, a need to focus on processes, reconceptualization of “failure”, and dedicated investment in market knowledge, customer knowledge, performance metrics and flexible governance structures.

Keywords： project-oriented organizations     innovation     institutional entrepreneurship     institutional theory    

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Title Author Date Type Operation

polyhydroxyalkanoates and glycogen transformations: Key aspects to biologic nitrogen and phosphorus removal in lowdissolved oxygen systems

Hongjing LI, Yinguang CHEN

Journal Article

Effect of the addition of organic carbon sources on nitrous oxide emission in anaerobic-aerobic (lowdissolved oxygen) sequencing batch reactors

Hongjing LI, Xiurong CHEN, Yinguang CHEN

Journal Article

Control of sludge settleability and nitrogen removal under low dissolved oxygen condition

Zhaoxu PENG, Yongzhen PENG, Zhenbo YU, Xuliang LIU, Xiaoling LI, Randeng WANG

Journal Article

Impact of dissolved oxygen on the production of nitrous oxide in biological aerated filters

Qiang He, Yinying Zhu, Guo Li, Leilei Fan, Hainan Ai, Xiaoliu Huangfu, Hong Li

Journal Article

Phosphorus transformation under the influence of aluminum, organic carbon, and dissolved oxygen at the

Ouchen Cai, Yuanxiao Xiong, Haijun Yang, Jinyong Liu, Hui Wang

Journal Article

Removal of dissolved oxygen from water using a Pd-resin based catalytic reactor

Wenxin SHI, Chongwei CUI, Liye ZHAO, Shuili YU, Xia YUN

Journal Article

An experimental study on ignition of single coal particles at low oxygen concentrations

Wantao YANG, Yang ZHANG, Lilin HU, Junfu LYU, Hai ZHANG

Journal Article

Effects of oxidizing environment on digestate humification and identification of substances governing the dissolved

Journal Article

Simultaneous nitrification and denitrification in activated sludge system under low oxygen concentration

ZHANG Peng, ZHOU Qi

Journal Article

A Hybrid Neural Network Model for Marine Dissolved Oxygen Concentrations Time-Series Forecasting Based

Hui Liu, Rui Yang, Zhu Duan, Haiping Wu

Journal Article

Unusual global outbreak of monkeypox: what should we do?

Journal Article

Do right PLS and do PLS right: A critical review of the application of PLS-SEM in construction management

Ningshuang ZENG, Yan LIU, Pan GONG, Marcel HERTOGH, Markus KÖNIG

Journal Article

of different valent iron on anaerobic sludge digestion: Focusing on oxidation reduction potential, dissolved

Journal Article

Photoaging mechanism of microplastics: a perspective on the effect of dissolved organic matter in natural

Journal Article

How do project-oriented organizations enhance innovation? An institutional theory perspective

Journal Article