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In situ formation of bimetallic FeNi nanoparticles on sand through green technology: Application for tetracycline removal

Ravikumar KVG, Debayan Ghosh, Mrudula Pulimi, Chandrasekaran Natarajan, Amitava Mukherjee

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 1, doi: 10.1007/s11783-019-1195-3

Abstract: • In situ preparation of FeNi nanoparticles on the sand via green synthesis approach. • Removal of tetracycline using GS-FeNi in batch and column study. • Both reductive degradation and sorption played crucial role the process. • Reusability of GS-FeNi showed about 77.39±4.3% removal on 4th cycle. • TC by-products after interaction showed less toxic as compared with TC. In this study, FeNi nanoparticles were green synthesized using Punica granatum (pomegranate) peel extract, and these nanoparticles were also formed in situ over quartz sand (GS-FeNi) for removal of tetracycline (TC). Under the optimized operating conditions, (GS-FeNi concentration: 1.5% w/v; concentration of TC: 20 mg/L; interaction period: 180 min), 99±0.2% TC removal was achieved in the batch reactor. The removal capacity was 181±1 mg/g. A detailed characterization of the sorbent and the solution before and after the interaction revealed that the removal mechanism(s) involved both the sorption and degradation of TC. The reusability of reactant was assessed for four cycles of operation, and 77±4% of TC removal was obtained in the cycle. To judge the environmental sustainability of the process, residual toxicity assay of the interacted TC solution was performed with indicator bacteria (Bacillus and Pseudomonas) and algae (Chlorella sp.), which confirmed a substantial decrease in the toxicity. The continuous column studies were undertaken in the packed bed reactors using GS-FeNi. Employing the optimized conditions, quite high removal efficiency (978±5 mg/g) was obtained in the columns. The application of GS-FeNi for antibiotic removal was further evaluated in lake water, tap water, and ground water spiked with TC, and the removal capacity achieved was found to be 781±5, 712±5, and 687±3 mg/g, respectively. This work can pave the way for treatment of antibiotics and other pollutants in the reactors using novel green composites prepared from fruit wastes.

Keywords： GS-FeNi nanoparticles     Tetracycline removal     Re-usability     Residual toxicity     Column studies    

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Presence and Antimicrobial Susceptibility of RE-cmeABC-Positive Campylobacter Isolated Article

Dejun Liu, Weiwen Liu, Xing Li, Hong Yao, Zhangqi Shen, Yang Wang, Jianzhong Shen

Engineering 2020, Volume 6, Issue 1,   Pages 34-39 doi: 10.1016/j.eng.2019.10.013

Abstract: RE-CmeABC is a newly identified resistance-enhancing multidrug efflux pump of C.In this study, we analyzed the presence and antimicrobial susceptibility of RE-cmeABC-positiveCampylobacter isolates (931 C. coli and 157 C. jejuni) were recovered from the REWe detected 122 (11.2%) RE-cmeABC-positive isolates of chicken origin, including 111 (70.7%)The level of resistance was significantly different in 111 RE-cmeABC-positive C. jejuni<

Keywords： RE-cmeABC     Campylobacter     Ciprofloxacin     Florfenicol    

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Development of small-molecule viral inhibitors targeting various stages of the life cycle of emerging and re-emerging

Xiaohuan Wang, Peng Zou, Fan Wu, Lu Lu, Shibo Jiang

Frontiers of Medicine 2017, Volume 11, Issue 4,   Pages 449-461 doi: 10.1007/s11684-017-0589-5

Abstract:

In recent years, unexpected outbreaks of infectious diseases caused by emerging and re-emerging virusesreplication and translation, thereby demonstrating potent therapeutic effect against various emerging and re-emerging

Keywords： emerging and re-emerging viruses     small-molecule inhibitor     coronavirus     Ebola virus     Zika virus     life cycle    

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Responses to emerging and re-emerging infectious diseases: One world, One health

Jianqing Xu, Jianguo Xu

Frontiers of Medicine 2018, Volume 12, Issue 1,   Pages 1-2 doi: 10.1007/s11684-018-0619-y

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Re-electrification in China Under the Carbon Neutrality Goal

Shu Yinbiao , Xie Dian , Zhao Liang , Gao Yajing , Zhao Yong , Zhou Chaoyang

Strategic Study of CAE 2022, Volume 24, Issue 3,   Pages 195-204 doi: 10.15302/J-SSCAE-2022.03.020

Abstract: Implementing re-electrification to realize clean substitution at the energy production side and electricIn this article, we analyze the concept of re-electrification and propose to help China achieve low-carbondevelopment with re-electrification considering the basic national conditions and resource endowmentThe development prospect of re-electrification is also proposed.The research results show that re-electrification will significantly promote carbon neutrality.

Keywords： re-electrification     carbon neutrality     energy transition     electric energy substitution    

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Influence of increasing numbers of RE-inverters on the power quality in the distribution grids: A PQ

Przemyslaw JANIK, Grzegorz KOSOBUDZKI, Harald SCHWARZ

Frontiers in Energy 2017, Volume 11, Issue 2,   Pages 155-167 doi: 10.1007/s11708-017-0469-3

Abstract: This paper presents the selected power quality (PQ) indicia of a wind generator and a photovoltaic installation considered to be the representative of medium voltage and low voltage distribution grids. The analysis of measured values suggests that the decrease in PQ is a case of specific combination of distributed generation, grid parameters and load behaviour. Modern generators have a limited impact on PQ. On the other hand, fluctuations in power generation are regarded as an emerging PQ indicator. The growing number of distributed renewable installations causes stochastic, variable, and hardly predictable power flows in the distribution grid. The nature of fluctuations in wind and solar generation is different. In both cases, new indexes for the quantification of fluctuations are needed and are yet not standardised. Proper assessment of these fluctuations enables definition of useful fluctuation limits and rules for optimal storage system integration.

Keywords： power quality     harmonics     sags     photovoltaic(PV) system     doubly feed induction generator (DFIG)     inverters    

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Landscape of emerging and re-emerging infectious diseases in China: impact of ecology, climate, and behavior

Qiyong Liu, Wenbo Xu, Shan Lu, Jiafu Jiang, Jieping Zhou, Zhujun Shao, Xiaobo Liu, Lei Xu, Yanwen Xiong, Han Zheng, Sun Jin, Hai Jiang, Wuchun Cao, Jianguo Xu

Frontiers of Medicine 2018, Volume 12, Issue 1,   Pages 3-22 doi: 10.1007/s11684-017-0605-9

Abstract: This review summarizes the current experiences and lessons from China in managing emerging and re-emerging

Keywords： infectious disease profile     emerging infectious diseases     influence factor    

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Identity-based threshold proxy re-encryption scheme from lattices and its applications Research Articles

Liqiang WU, Yiliang HAN, Xiaoyuan YANG, Minqing ZHANG,latticewj@163.com,hanyil@163.com

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 2,   Pages 258-277 doi: 10.1631/FITEE.2000366

Abstract: hides the delegator‘s private key information, but also decentralizes the proxy power by splitting the re-encryption

Keywords： Post-quantum cryptography     Threshold proxy re-encryption     Lattices     Robustness     Decentralization    

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Effective and selective separation of perrhenate from acidic wastewater by super-stable, superhydrophobic, and recyclable biosorbent

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1456-9

Abstract:

• A ZnO-biochar hybrid composite was prepared by solvothermal-pyrolysis synthesis.

Keywords： Selectivity     Adsorption     Re(VII)     ZnO     Biochar    

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Research and Development of High Performance Ceramics With Structural and Functional Properties Combined

Jiang Dongliang

Strategic Study of CAE 2003, Volume 5, Issue 2,   Pages 35-39

Abstract:

This paper introduces some developing trends of new materials and material sciences, such as multifunction, composite, miniaturization, low cost manufacturing and analyses the basic properties and problems of processing of high performance ceramics nowadays. The paper briefly describes some special properties, possible application fields and mass production problems of ceramics with structural and functional properties combined, such as silicon carbide, Nd doped YAG, and Sialon with rare-earth elements added. Finally, proposed several topics (including processing sciences)of such kind of multifunction materials for future research and developing.

Keywords： structural and functional properties combined     high performance ceramics     SiC     Nd - YAG     RE-Si3   

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Development of the Long Afterglow Phosphors and Its Production

Xiao Zhiguo,Tang Mingdao

Strategic Study of CAE 2003, Volume 5, Issue 9,   Pages 82-86

Abstract:

The development of long afterglow phosphors is discussed in this paper. Property and application of the phosphors are introduced in detail. It is sure that new long afterglow phosphors is excellent compared with traditional phosphors ZnS. Prospects of long afterglow phosphors is studied in the same time.

Keywords： auto-photoluminesent pigment     afterglow photoluminesent materials     RE elements    

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Experimental flexural behavior of SMA-FRP reinforced concrete beam

Adeel ZAFAR, Bassem ANDRAWES

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 341-355 doi: 10.1007/s11709-013-0221-y

Abstract: SMA-FRP composite reinforcement is able to enhance the performance of concrete member by providing re-centering

Keywords： re-centering     shape memory alloys     concrete     composite     fiber reinforced polymer     scanning electron microscopy    

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Usability perceptions and beliefs about smart thermostats by chi-square test, signal detection theory

Pedro PONCE, Therese PEFFER, Arturo MOLINA

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 522-538 doi: 10.1007/s11708-018-0562-2

Abstract: It is well known that smart thermostats (STs) have become key devices in the implementation of smart homes; thus, they are considered as primary elements for the control of electrical energy consumption in households. Moreover, energy consumption is drastically affected when the end users select unsuitable STs or when they do not use the STs correctly. Furthermore, in future, Mexico will face serious electrical energy challenges that can be considerably resolved if the end users operate the STs in a correct manner. Hence, it is important to carry out an in-depth study and analysis on thermostats, by focusing on social aspects that influence the technological use and performance of the thermostats. This paper proposes the use of a signal detection theory (SDT), fuzzy detection theory (FDT), and chi-square (CS) test in order to understand the perceptions and beliefs of end users about the use of STs in Mexico. This paper extensively shows the perceptions and beliefs about the selected thermostats in Mexico. Besides, it presents an in-depth discussion on the cognitive perceptions and beliefs of end users. Moreover, it shows why the expectations of the end users about STs are not met. It also promotes the technological and social development of STs such that they are relatively more accepted in complex electrical grids such as smart grids.

Keywords： thermostats     perceptions     beliefs     signal detection theory (SDT)     fuzzy signal detection theory (FSDT)     chi-square (CS) test    

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Re-evaluation of several heavy metals removal by natural limestones

Ali SDIRI,Samir BOUAZIZ

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 418-432 doi: 10.1007/s11705-014-1455-5

Abstract: Different treatment technologies have been efficiently applied to remove heavy metals from wastewater. Efforts have been made to find out the most economic water treatment technology by using low cost and easily accessible natural materials. On the other hand, heavy metals are the most threatening groundwater contaminants because of their toxicity and harmful effects on human and biota. This review discusses the use of natural geological materials for heavy metal removal in aqueous systems. Special attention has been devoted to natural limestone through a systematic inventory of relevant published reports. The removal of toxic metals may include different mechanisms (e.g., physisorption, chemisorptions, precipitation, etc.), depending on the physico-chemical properties of the material and the removed metal. Sorption of toxic metals (e.g., Pb, Cu, Cd, Zn, Cr, Hg, etc.) onto natural limestone involved precipitation of metal carbonate as a predominant removal process, but often subordinated by adsorption and ion exchange, depending on the physico-chemical properties of the studied limestone.

Keywords： limestone     heavy metals     sorption     wastewater     passive treatment technology    

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Dams and Floods

Lempérière

Engineering 2017, Volume 3, Issue 1,   Pages 144-149 doi: 10.1016/J.ENG.2017.01.018

Abstract:

The possible mitigation of floods by dams and the risk to dams from floods are key problems. The People’s Republic of China is now leading world dam construction with great success and efficiency. This paper is devoted to relevant experiences from other countries, with a particular focus on lessons from accidents over the past two centuries and on new solutions. Accidents from floods are analyzed according to the dam’s height, storage, dam material, and spillway data. Most of the huge accidents that have been reported occurred for embankments storing over 10 hm3. New solutions appear promising for both dam safety and flood mitigation.

Keywords： Floods     Flood mitigation     Spillways     Labyrinth spillways     Dam failures    

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Title Author Date Type Operation

In situ formation of bimetallic FeNi nanoparticles on sand through green technology: Application for tetracycline removal

Ravikumar KVG, Debayan Ghosh, Mrudula Pulimi, Chandrasekaran Natarajan, Amitava Mukherjee

Journal Article

Presence and Antimicrobial Susceptibility of RE-cmeABC-Positive Campylobacter Isolated

Dejun Liu, Weiwen Liu, Xing Li, Hong Yao, Zhangqi Shen, Yang Wang, Jianzhong Shen

Journal Article

Development of small-molecule viral inhibitors targeting various stages of the life cycle of emerging and re-emerging

Xiaohuan Wang, Peng Zou, Fan Wu, Lu Lu, Shibo Jiang

Journal Article

Responses to emerging and re-emerging infectious diseases: One world, One health

Jianqing Xu, Jianguo Xu

Journal Article

Re-electrification in China Under the Carbon Neutrality Goal

Shu Yinbiao , Xie Dian , Zhao Liang , Gao Yajing , Zhao Yong , Zhou Chaoyang

Journal Article

Influence of increasing numbers of RE-inverters on the power quality in the distribution grids: A PQ

Przemyslaw JANIK, Grzegorz KOSOBUDZKI, Harald SCHWARZ

Journal Article

Landscape of emerging and re-emerging infectious diseases in China: impact of ecology, climate, and behavior

Qiyong Liu, Wenbo Xu, Shan Lu, Jiafu Jiang, Jieping Zhou, Zhujun Shao, Xiaobo Liu, Lei Xu, Yanwen Xiong, Han Zheng, Sun Jin, Hai Jiang, Wuchun Cao, Jianguo Xu

Journal Article

Identity-based threshold proxy re-encryption scheme from lattices and its applications

Liqiang WU, Yiliang HAN, Xiaoyuan YANG, Minqing ZHANG,latticewj@163.com,hanyil@163.com

Journal Article

Effective and selective separation of perrhenate from acidic wastewater by super-stable, superhydrophobic, and recyclable biosorbent

Journal Article

Research and Development of High Performance Ceramics With Structural and Functional Properties Combined

Jiang Dongliang

Journal Article

Development of the Long Afterglow Phosphors and Its Production

Xiao Zhiguo,Tang Mingdao

Journal Article

Experimental flexural behavior of SMA-FRP reinforced concrete beam

Adeel ZAFAR, Bassem ANDRAWES

Journal Article

Usability perceptions and beliefs about smart thermostats by chi-square test, signal detection theory

Pedro PONCE, Therese PEFFER, Arturo MOLINA

Journal Article

Re-evaluation of several heavy metals removal by natural limestones

Ali SDIRI,Samir BOUAZIZ

Journal Article

Dams and Floods

Lempérière

Journal Article