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Diels–Alder Conversion of Acrylic Acid and 2,5-Dimethylfuran topara-Xylene Over Heterogeneous Bi-BTC Metal-Organic Framework Catalysts Under Mild Conditions

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Angewandte Chemie 2020年第2期133卷

作者： Jyun-Yi Yeh Season S. Chen Shih-Cheng Li Celine H. Chen Dr. Tetsuya Shishido Dr. Daniel C. W. Tsang Dr. Yusuke Yamauchi Yi-Pei Li Prof. Kevin C.-W. Wu International Graduate Program of Molecular Science and Technology (NTU-MST) National Taiwan University No. 1 Sec. 4 Roosevelt Road Taipei 10617 Taiwan Taiwan International Graduate Program (TIGP) Academia Sinica No. 128 Sec. 2 Academia Road Taipei 11529 Taiwan Department of Chemical Engineering National (Taiwan) University No. 1 Sec. 4 Roosevelt Road Taipei 10617 Taiwan School of Engineering Brown University Providence RI 02912 USA Department of Applied Chemistry for Environment Tokyo Metropolitan University 1-1 Minami-osawa Hachioji Tokyo 192-0397 Japan Department of Civil and Environmental Engineering The Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong China JST-ERATO Yamauchi Materials Space-Tectonics Project Kagami Memorial Research Institute for Materials Science and Technology Waseda University 2-8-26 Nishiwaseda Shinjuku-ku Tokyo 169-0051 Japan Australian Institute for Bioengineering and Nanotechnology (AIBN) School of Chemical Engieering The University of Queensland Brisbane QLD 4072 Australia Center of Atomic Initiative for New Materials National Taiwan University No. 1 Sec. 4 Roosevelt Road Taipei 10617 Taiwan

The heterogeneous metal-organic framework Bi-BTC successfully catalyzed the synthesis of para -xylene from bio-based 2,5-dimethylfuran and acrylic acid in a promising yield (92 %), under relatively mild conditions (160 °C, 10 bar), and with a low reaction-energy barrier (47.3 kJ mol −1 ). The proposed reaction strategy also demonstrates a remarkable versatility for furan derivatives such as furan and 2-methylfuran.

关键词： 2,5-dimethylfuran acrylic acid Bi-BTC metal-organic frameworks para-xylene

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Applicability of zirconium loaded okara in the removal and recovery of phosphorus from municipal wastewater

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IOP Conference Series. Earth and environmental Science 2019年第1期266卷 012004-012004页

作者： Nguyen, T A H Ngo, H H Guo, W S Pham, T Q Cao, T H Nguyen, T H H Master’s Program in Environmental Engineering VNU Vietnam Japan University Luu Huu Phuoc My Dinh 1 residential area Nam Tu Liem Hanoi Vietnam Centre for Technology in Water and Wastewater School of Civil and Environmental Engineering University of Technology Sydney (UTS) 15 Broadway Ultimo NSW 2007 Australia Graduate University of Science and Technology Vietnam Academy of Science and Technology 18 Hoang Quoc Viet Cau Giay Hanoi Vietnam Faculty of Geology VNU University of Science 334 Nguyen Trai Thanh Xuan Hanoi Vietnam

Recently, there is a new trend to consider wastewater as a precious resource. Since phosphorus is a limited non-renewable element, and MAP (Magnesium Ammonium Phosphate - MgNH4PO4.6H2O) is a valuable slow-release fertilizer, the recovery of phosphorous as MAP has received special attention from scientists all over the world. However, the application of this process with municipal wastewater is still a challenge, due to low concentration of phosphorus and high volume of municipal wastewater. This study investigates the potential of reclaiming MAP from municipal wastewater by combination of adsorption and crystallization. Soybean milk residue (okara) was loaded with Zirconium (Zr) to prepare the adsorbent (ZLO). Adsorption and desorption experiments were conducted in a semi-pilot scale ZLO packed colum system. Effects of P: N: Mg molar ratios, chemical sources and temperature on the formation of MAP were examined in an attempt to identify the optimal crystallization conditions. The attained precipitate was characterized using XRD, SEM, FTIR techniques. It was found that the ZLO packed column adsorption-desorption system could pre-concentrate phosphorus from municipal wastewater up to 28.36 times, fitting well the minimum requirement (50 mg P/L) for the economical MAP recovery. Up to 95.19% of dissolved phosphorus in desorption solution was recovered at pH = 9, Mg: N: P molar ratio = 2:2:1, using a combination of MgCl2.6H2O and NH4Cl. The harvested MAP exhibited high purity (92.59%), high P-availability (89% by mass), and extremely low levels of heavy metals. The results prove that it is viable to recover MAP from municipal wastewater by employing ZLO as adsorbent, followed by crystallization. This paves the way for mining phosphorus from municipal wastewater and reducing okara as an agricultural byproduct in a green way.

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Native diversity buffers against severity of non-native tree invasions ( vol 621,pg 773 , 2023 )

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NATURE 2023年第7982期622卷 E2-E2页

作者： Delavaux, Camille S. Crowther, Thomas W. Zohner, Constantin M. Robmann, Niamh M. Lauber, Thomas van den Hoogen, Johan Kuebbing, Sara Liang, Jingjing de-Miguel, Sergio Nabuurs, Gert-Jan Reich, Peter B. Abegg, Meinrad Yao, Yves C. Adou Alberti, Giorgio Zambrano, Angelica M. Almeyda Alvarado, Braulio Vilchez Alvarez-Davila, Esteban Alvarez-Loayza, Patricia Alves, Luciana F. Ammer, Christian Anton-Fernandez, Clara Araujo-Murakami, Alejandro Arroyo, Luzmila Avitabile, Valerio Aymard, Gerardo A. Baker, Timothy R. Balazy, Radomir Banki, Olaf Barroso, Jorcely G. Bastian, Meredith L. Bastin, Jean-Francois Birigazzi, Luca Birnbaum, Philippe Bitariho, Robert Boeckx, Pascal Bongers, Frans Bouriaud, Olivier Brancalion, Pedro H. S. Brandl, Susanne Brienen, Roel Broadbent, Eben N. Bruelheide, Helge Bussotti, Filippo Gatti, Roberto Cazzolla Cesar, Ricardo G. Cesljar, Goran Chazdon, Robin Chen, Han Y. H. Chisholm, Chelsea Cho, Hyunkook Cienciala, Emil Clark, Connie Clark, David Colletta, Gabriel D. Coomes, David A. Valverde, Fernando Cornejo Corral-Rivas, Jose J. Crim, Philip M. Cumming, Jonathan R. Dayanandan, Selvadurai de Gasper, Andre L. Decuyper, Mathieu Derroire, Geraldine DeVries, Ben Djordjevic, Ilija Dolezal, Jiri Dourdain, Aurelie Obiang, Nestor Laurier Engone Enquist, Brian J. Eyre, Teresa J. Fandohan, Adande Belarmain Fayle, Tom M. Feldpausch, Ted R. Ferreira, Leandro V. Fischer, Markus Fletcher, Christine Frizzera, Lorenzo Gamarra, Javier G. P. Gianelle, Damiano Glick, Henry B. Harris, David J. Hector, Andrew Hemp, Andreas Hengeveld, Geerten Herault, Bruno Herbohn, John L. Herold, Martin Hillers, Annika Coronado, Euridice N. Honorio Hui, Cang Ibanez, Thomas T. Amaral, Ieda Imai, Nobuo Jagodzinski, Andrzej M. Jaroszewicz, Bogdan Johannsen, Vivian Kvist Joly, Carlos A. Jucker, Tommaso Jung, Ilbin Karminov, Viktor Kartawinata, Kuswata Kearsley, Elizabeth Kenfack, David Kennard, Deborah K. Kepfer-Rojas, Sebastian Keppel, Gunnar Khan, Mohammed Latif Killeen, Timothy J. Kim, Hyun Seok Kitayama, Kanehiro Kohl, Michael Korju Institute of Integrative Biology ETH Zurich (Swiss Federal Institute of Technology) Zurich Switzerland Department of Genetics Evolution and Environment University College London London UK The Forest School at The Yale School of the Environment Yale University New Haven CT USA Department of Forestry and Natural Resources Purdue University West Lafayette IN USA Department of Agriculture Forestry and Bioresources Seoul National University Seoul South Korea Department of Crop and Forest Sciences University of Lleida Lleida Spain Joint Research Unit CTFC–AGROTECNIO–CERCA Solsona Spain Wageningen University and Research Wageningen The Netherlands World Agroforestry (ICRAF) Nairobi Kenya Department of Forest Resources University of Minnesota St Paul MN USA Hawkesbury Institute for the Environment Western Sydney University Penrith New South Wales Australia Institute for Global Change Biology and School for Environment and Sustainability University of Michigan Ann Arbor MI USA Swiss Federal Institute for Forest Snow and Landscape Research WSL Birmensdorf Switzerland UFR Biosciences University Félix Houphouët-Boigny Abidjan Côte d’Ivoire Department of Agricultural Food Environmental and Animal Sciences University of Udine Udine Italy Faculty of Science and Technology Free University of Bolzano Bolzano Italy Spatial Ecology and Conservation Laboratory Department of Tourism Recreation and Sport Management University of Florida Gainesville FL USA Forestry School Tecnológico de Costa Rica TEC Cartago Costa Rica Fundacion ConVida Universidad Nacional Abierta y a Distancia UNAD Medellin Colombia Field Museum of Natural Histiory Chicago IL USA Center for Tropical Research Institute of the Environment and Sustainability UCLA Los Angeles CA USA Silviculture and Forest Ecology of the Temperate Zones University of Göttingen Göttingen Germany Division of Forest and Forest Resources Norwegian Institute of Bioeconomy Research (NIBIO) Ås Norway Museo de Hi

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Variation of Critical Rainfall Duration upon Its Magnitude in Middle and Lower Yom Basin,Thailand

Variation of Critical Rainfall Duration upon Its Magnitude i...

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作者： P.Klongvessa M.Lu S.Chotpantarat Department of Civil and Environmental Engineering Graduate School of EngineeringNagaoka university of Technology Department of Geology Faculty of ScienceChulalongkorn University Research Program in Control of Hazardous Contaminants in Raw Water Resources for Water Scarcity Resilience Center of Excellence on Hazardous Substance ManagementChulalongkorn University

In many flood simulations,critical rainfall duration,defined as duration of rainfall which causes a critical flood,is assumed to be ***,in some area,the critical rainfall duration varies upon its magnitude and assuming the fixed critical rainfall duration may underestimate an extreme peak *** middle and lower Yom basin,Thailand,is one of the areas where a larger flood appears to coincide with longer critical rainfall *** this study,we have investigated the variation of critical rainfall duration in that *** conceptual model was developed from HEC-HMS and HEC-RAS *** upstream and downstream parts of the area were calibrated ***,uniform 2-,5-,and 10-year rainfalls with 24-,48-,and 72-hour durations were *** model successfully reproduced the variation of critical rainfall duration as 48 hours for 2-and 5-year rainfalls and 72 hours for 10-year *** variation is caused by a high percolation rate over the upstream *** this percolation,some portion of rainfall over the upstream part is ***,most of the flood water comes from the downstream part which has short travel ***,when the rainfall is larger,the influence of percolation is less.

关键词： Critical Rainfall Duration Flood Yom Basin Percolation

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Damage effects from dynamic interaction between vehicles, irregularities and railway bridges in the nonlinear dynamic response of structures

Damage effects from dynamic interaction between vehicles, ir...

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作者： De Abeche, T.O. Machado, R. Dalledone Abdalla Filho, J.E. Beghetto, L.F.M. De Souza, L.A.F. Mechanical Engineering Graduate Program Pontifical Catholic University of Paraná Curitiba Brazil Numerical Methods in Engineering Graduate Program Federal University of Paraná Curitiba Brazil Department of Civil Environmental and Architectural Engineering University of Colorado Boulder United States Civil Engineering Graduate Program Federal Technological University of Paraná Curitiba Brazil Academic Department of Civil Construction Federal Technological University of Paraná Curitiba Brazil Department of Civil Engineering Federal Technological University of Paraná Apucarana Brazil

The effects of vehicle-structure interaction have a significant effect on the dynamic responses of both the vehicle and the structure with several applications within the railways field. When the vehicle loads are capable of producing accumulated strains sufficient to cause damage to the structure, the dynamic responses change completely. By crossing a railway bridge, the vehicle is subjected to the effects of track irregularities. The vehicle's movement on the bridge is already a dynamic action on the structure. However, the irregularities of the track tend to excite the vehicle dynamically which in turns triggers additional vibrations in the structure apart from those produced by its own movement, increasing the structural degree of damage. This modifies the structural dynamic responses, increasing the magnitude and the oscillations within the same time interval especially at critical speeds of the vehicle, capable of provoking some resonance. Apart from changing the displacements, velocities and accelerations, the damage alters the structural natural frequencies of vibration. It is not possible to analyse such effects with linear dynamic models. This paper evaluates, using the finite element method, the nonlinear dynamic effects in a reinforced concrete bridge where the degree of damage is altered over time using a damage mechanics procedure. © civil-Comp Press, 2016.

关键词： Dynamic response

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Surveillance of avian influenza through bird guano in remote regions of the global south to uncover transmission dynamics

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Nature communications 2025年第1期16卷 4900页

作者： Dhammika Leshan Wannigama Mohan Amarasiri Phatthranit Phattharapornjaroen Cameron Hurst Charin Modchang John Jefferson V Besa Kazuhiko Miyanaga Longzhu Cui Stefan Fernandez Angkana T Huang Puey Ounjai W K C P Werawatte Ali Hosseini Rad S M Porames Vatanaprasan Dylan John Jay Thammakorn Saethang Sirirat Luk-In Phitsanuruk Kanthawee Wanwara Thuptimdang Ratana Tacharoenmuang Bernadina Cynthia S P H Spencer Vitharana Natharin Ngamwongsatit Hitoshi Ishikawa Takashi Furukawa Yangzhong Wang Andrew C Singer Naveen Kumar Devanga Ragupathi Tanittha Chatsuwan Kazunari Sei Asuka Nanbo Asada Leelahavanichkul Talerngsak Kanjanabuch Hiroshi Hamamoto Paul G Higgins Daisuke Sano Anthony Kicic José O Valdebenito Jonas Bonnedahl Sam Trowsdale Parichart Hongsing Aisha Khatib Kenji Shibuya Shuichi Abe Department of Infectious Diseases Faculty of Medicine Yamagata University Yamagata Japan. leshanwannigama@med.id.yamagata-u.ac.jp. Department of Infectious Diseases and Infection Control Yamagata Prefectural Central Hospital Yamagata Japan. leshanwannigama@med.id.yamagata-u.ac.jp. Pathogen Hunter's Research Collaborative Team Department of Infectious Diseases and Infection Control Yamagata Prefectural Central Hospital Yamagata Japan. leshanwannigama@med.id.yamagata-u.ac.jp. Yamagata Prefectural University of Health Sciences Kamiyanagi Yamagata Japan. leshanwannigama@med.id.yamagata-u.ac.jp. The Lygodium Ceylon Health and Environmental Policy Research Center Colombo Sri Lanka. leshanwannigama@med.id.yamagata-u.ac.jp. Biofilms and Antimicrobial Resistance Consortium of ODA receiving countries The University of Sheffield Sheffield UK. leshanwannigama@med.id.yamagata-u.ac.jp. Pathogen Hunter's Research Collaborative Team Department of Infectious Diseases and Infection Control Yamagata Prefectural Central Hospital Yamagata Japan. Department of Civil and Environmental Engineering Graduate School of Engineering Tohoku University Sendai Miyagi Japan. Faculty of Health Science Technology Chulabhorn Royal Academy Bangkok Thailand. HRH Princess Chulabhorn Disaster and Emergency Medicine Center Chulabhorn Royal Academy Bangkok Thailand. Department of Clinical Epidemiology Faculty of Medicine Thammasat University Rangsit Thailand. Center of Excellence in Applied Epidemiology Thammasat University Rangsit Thailand. Mater Research Institute University of Queensland Brisbane QLD Australia. Biophysics Group Department of Physics Faculty of Science Mahidol University Bangkok Thailand. Centre of Excellence in Mathematics MHESI Bangkok Thailand. Thailand Center of Excellence in Physics Ministry of Higher Education Science Research and Innovation Bangkok Thailand. Department of Infectious Diseases and Infection Control Yamagata Prefectural Central Hospital Yamagata Japan. Co

Avian influenza viruses (AIVs) pose a growing global health threat, particularly in low- and middle-income countries (LMICs), where limited surveillance capacity and under-resourced healthcare systems hinder timely detection and response. Migratory birds play a significant role in the transboundary spread of AIVs, yet data from key regions along migratory flyways remain sparse. To address these surveillance gaps, we conducted a study between December 2021 and February 2023 using fresh bird guano collected across 10 countries in the Global South. Here, we show that remote, uninhabited regions in previously unsampled areas harbor a high diversity of AIV strains, with H5N1 emerging as the most prevalent. Some of these H5N1 samples also carry mutations that may make them less responsive to the antiviral drug oseltamivir. Our findings documented the presence of AIVs in several underrepresented regions and highlighted critical transmission hotspots where viral evolution may be accelerating. These results underscore the urgent need for geographically targeted surveillance to detect emerging variants, inform public health interventions, and reduce the risk of zoonotic spillover.

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Wind-driven rain incidence parameters obtained by hygrothermal simulation

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Journal of Building Pathology and Rehabilitation 2016年第1期1卷 1-7页

作者： Nascimento, M.L.M. Bauer, E. de Souza, J.S. Zanoni, V.A.G. Post-Graduate Program in Structures and Civil Construction Civil and Environmental Engineering Department University of Brasília Campus Universitário Darcy Ribeiro Asa Norte Brasília 70910-900 DF Brazil Faculty of Architecture and Urbanism University of Brasília Campus Universitário Darcy Ribeiro Asa Norte Brasília 70910-900 DF Brazil

The association of rain and wind composes wind-driven rain (WDR), and its incidence may be crucial to the emergence of anomalies on the facades of buildings. Moisture from the WDR can influence the humidification and drying process, therefore the durability and hygrothermal performance are conditioned by the amount of incident water. The quantification of WDR can be an indispensable tool for understanding its related phenomena and the service life of buildings. The most widely used methods of quantification are the semi-empirical, with theoretical basis, but coefficients partially determined from measurements. These methods may take into account the building exposure conditions related to the envelope, solar orientation, height of the building, and other parameters. In this context, in order to contribute to the studies on quantification of WDR, the purpose of this paper is to apply hygrothermal simulation software WUFI^® on quantification of WDR focusing on buildings degradation of Brasília-Brazil. For the simulation it was used a Typical Meteorological Year file with the wind and precipitation measurement data indispensable for simulation. The quantification of incidence of WDR considered the orientations North, Northeast, East, Southeast, South, Southwest, West, and Northwest. The use of semi-empirical WUFI^® quantification method allowed finding the highest values and consequently critical orientations North, Northwest, and Northeast, moreover, this results showed the relation with the degradation of facades in these orientations. WUFI proved to be an easy, fast and efficient method of WDR quantification, without hiding seasonal weather effects. © 2016, Springer International Publishing Switzerland.

关键词： Degradation Facade Hygrothermal simulation Wind-driven rain

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Study of damage distribution and intensity in regions of the facade

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Journal of Building Pathology and Rehabilitation 2016年第1期1卷 1-9页

作者： de Souza, Jessica S. Bauer, Elton Nascimento, Matheus L. M. Capuzzo, Valdirene M. S. Zanoni, Vanda A. G. Post-Graduate Program in Structures and Civil Construction Civil and Environmental Engineering Department University of Brasília Campus Universitário Darcy Ribeiro Asa Norte Brasília 70910-900 DF Brazil Faculty of Architecture and Urbanism University of Brasília Campus Universitário Darcy Ribeiro Asa Norte Brasília 70910-900 DF Brazil

The ceramic coating systems applied to building facades have relevant aesthetic value and protection functions. The architectural and environmental conditions can greatly influence the degradation process of the facades, which may pose risks and compromise the durability and service life of the building and its components. The degradation process of facades changes according to the region where it takes place. To this end, the present study aims to determine damage intensity and distribution in the different regions of the facade. This study investigated the facades of three buildings that are part of the Materials Testing Laboratory (LEM) database of the Universidade de Brasilia. The degradation was quantified using a methodology proposed by Silva (2014) to generate a degradation index expressed in m². After the quantification of damages, few indexes associated with the percentage of degraded area, applied to the facade regions, are presented. These weighted indexes allowed to standardize the values observed in each region. Obtaining these indices is fundamental to the study of degradation. The results show that for a comparative analysis between the regions, the observed values should be corrected for the proportionality of the area of each region in relation to the total area of the facade. It was also noted that the continuous walls are the most affected regions, but they do not always present the highest damage intensity. © 2016, Springer International Publishing Switzerland.

关键词： Damage distribution Degradation Degradation index Facades Pathology

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Facades inspection with infrared thermography: cracks evaluation

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Journal of Building Pathology and Rehabilitation 2016年第1期1卷 1-7页

作者： Elton Bauer Elier Pavón Elias Oliveira Claudio H. F. Pereira Post-Graduate Program in Structures and Civil Construction Civil and Environmental Engineering Department University of Brasília Brasília Brazil Centro das Ciências Exatas e das Tecnologias Post-Graduate Program in Structures and Civil Construction - UnB Universidade Federal do Oeste da Bahia-UnB Barreiras Brazil

Infrared thermography is an evaluation technique that helps to identify anomalies and can provide information on their incidence and severity. The aim of this study is to apply quantitative thermography to study a case of severe cracks in facade analyzing the evolution of temperatures and Delta-T. The temperature evolution was studied over a day. There was sun incidence occurring during part of the day, allowing to calculate and assess the evolution of the associated temperatures. Thermograms were acquired hourly during the study period. The highest temperatures were observed at 12:00 noon, and the larger Delta-T between 10:00 and 12:00. There were differences between the Delta-T profiles among the three regions studied. The best time for analysis is when Delta-T is higher. Cracks with higher Delta-T were considered more degraded, and generalized branched cracks did not allow a comparative conclusion.

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Glutaraldehyde removal from flowback and produced waters using photolysis 89

Glutaraldehyde removal from flowback and produced waters usi...

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89th Annual Water Environment Federation Technical Exhibition and Conference, WEFTEC 2016

作者： Hong, Soklida Ratpukdi, Thunyalux Sivaguru, Jayaraman Khan, Eakalak Environmental and Conservation Sciences Program North Dakota State University FargoND58108 United States International Postgraduate Programs in Environmental Management Graduate School Chulalongkorn University Bangkok10330 Thailand Department of Environmental Engineering Khon Kaen University Khon Kaen40002 Thailand Department of Chemistry and Biochemistry North Dakota State University FargoND58108 United States Department of Civil and Environmental Engineering North Dakota State University FargoND58108 United States

ISBN: (纸本)9781510870475

Glutaraldehyde (GA) has been used extensively as a biocide in hydraulic fracturing fluids leading to the contamination of the compound in flowback and produced waters. Photolysis of GA in water was performed under UV irradiation using monochromatic lamps with a wavelength of 254 nm. The results indicated that photolysis of GA followed pseudo-first order kinetics. GA can be photolyzed by UV at all studied conditions;however, the degradation rates of GA were different at different light intensities, pHs, initial GA concentrations and salt concentrations. The degradation rate of GA increased with increasing incident light intensity and decreasing pH. Increasing in initial GA concentration resulted in decreasing rate of GA. At lower salt concentrations, notable retardation of GA degradation rate was observed. Quenching experiments were also conducted to further explore the mechanisms of GA photolysis. Higher molecular weight compounds were identified as the main photolytic byproducts. Copyright ©2016 Water Environment Federation.

关键词： Hydraulic fracturing

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