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Nanomaterials in agricultural production: Benefits and possible threats?

ACS Symposium Series 2013年 1124卷 73-90页

作者： Hong, Jie Peralta-Videa, Jose R. Gardea-Torresdey, Jorge L. Environmental Science and Engineering PhD Program University of Texas at El Paso 500 West University Ave. El Paso TX 79968 United States Chemistry Department University of Texas at El Paso 500 West University Ave. El Paso TX 79968 United States

ISBN: (纸本)9780841227842

Food and agricultural production are among the most sensitive fields of application of nanotechnology. It is predicted that nanotechnology will revolutionize agriculture through new tools for disease treatment and detection, smart delivery systems, sensors, and better management devices. However, the rapid development of nanotechnology could release a huge amount of engineered nanoparticles, which may cause adverse effects on edible plants. In this review article the authors analyzed the most recent literature on the application of nanotechnology in agriculture, including nanofertilizers, nanosensors, crop protection, pollution control, waste management, and pesticide detection. The negative effects caused by nanoparticles on edible plants are also discussed. © 2013 American Chemical Society.

关键词： Nanoparticles

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The Microclimatic Influence of a Water Body on an Urban Environment

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Journal of Environmental Science and engineering(B) 2013年第8期2卷 453-459页

作者： Erico Masierc Lea Cristina Lucas de Souza Department of Civil Engineering Federal University of Sao Carlos PhD-Post Graduation Program of Urban Engineering Sao Carlos 13560 000 Brazil Department of Civil Engineering Federal University of Sao Carlos Professor of Post Graduation Program of Urban Engineering Sao Carlos 13560 000 Brazil

The paper aims to investigate the potential of a water body to influence in lowering the warmth in the city of Sao Jose do Rio Preto, Brazil, due to the evaporative cooling effects. In order to verify its potential, three collecting points of temperature and humidity were placed in an urban area close to the municipal dam. The first one was placed on the dam margin, the second one, 50 m distant of the margin and, the third one, 100 m distant. The data were taken during December 2010 and then compared to the climate data of the Climate Station of CIIAGRO-Integrated Center of Agro Meteorological. The results show that the closer the collection point is to the water body, and the lower is the temperature variation. The humidity taxes verified at the closest point to the water body indicate values higher than those ones collected at the most distant point. The insertion of moisture through the water bodies in an urban environment demonstrated to be a strategy that improved the thermal conditions and has to be considered for urban planners to establish strategies of urban occupation.

关键词： Water body thermal comfort evaporative cooling.

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Impact of biomass in Egypt on climate change

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Natural Science 2013年第6期5卷 678-684页

作者： Dalia Adel Nakhla Mohamed Galal Hassan Salah El Haggar Department of Mechanical Engineering School of Sciences and Engineering The American University in Cairo Cairo Egypt Department of Petroleum Engineering School of Sciences and Engineering The American University in Cairo Cairo Egypt Environmental Engineering PhD Program School of Sciences and Engineering The American University in Cairo Cairo Egypt

Egypt is one of the most vulnerable countries to climate change due to the expected detrimental impacts on coastal zones, agriculture, water security as well as indirect social and health impacts. Egypt is responsible for 0.57% of the global greenhouse gas (GHG) emissions. Although Egypt is a non-annex I country not requiring any specific emission reduction or limitation targets under the Kyoto protocol, its National plans have included mitigation measures to reduce its greenhouse gases. The main sectors contributing to climate change in Egypt are energy, industry, agriculture and waste. Waste, on the other hand, has been accumulating in the streets of Egypt and along its water banks causing considerable air, soil and water pollution and indirect detrimental health impacts. However, this waste which is composed of organic municipal waste, agricultural residues, agro-industrial waste, animal manure and sewage sludge are valuable biomass resources. Utilizing the waste resources of Egypt especially the biomass or the organic component of this waste will not only solve some of the pressing economic needs of Egypt such as animal fodder, fertilizer and fuel but will also alleviate environmental burdens through decreasing air pollution and greenhouse gas emissions in the sector of waste as well as those of energy, industry and agriculture. This paper quantifies the biomass resources in Egypt generated from different waste resources. Then it demonstrates the efforts that Egypt made to contribute to global greenhouse gas emissions reductions through the Kyoto Protocol’s clean development mechanism (CDM). The projects in the waste sector already established in Egypt and approved as CDM projects are listed, which are related to waste management facilities and those which are waste to energy projects. Finally, a list of mitigation projects as proposed by the Egyptian government to decrease GHGs as related to the waste sector are enumerated.

关键词： Waste Climate Change Biomass Egypt

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Direct detection of adenovirus in environmental waste waters by portable optical fiber sensor platform

Direct detection of adenovirus in environmental waste waters...

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12th IEEE SENSORS 2013 Conference

作者： Yildirim, Nimet Li, Dan Long, Feng Gu, April Z. Bioengineering PhD Program Northeastern University Boston United States Department of Civil and Environmental Engineering Northeastern University Boston United States State Key Joint Laboratory of Environment Simulation and Pollution Control Environmental Science and Engineering Tsinghua University Beijing China Department of Environment Science and Engineering Tsinghua University Beijing China 360 Huntington Ave. Boston MA 02115 United States

ISBN: (纸本)9781467346405

Reusable and portable evanescent wave biosensor for rapid, sensitive and highly selective direct detection of adenoviruses was developed. Here, specific antibody for the hexon protein of the virus was used as a recognition element. Linear detection range was determined from 100PFU/ml to 2000PFU/ml. This direct detection system can be regenerated successfully with over 5 times without significant deterioration of the sensor performance. The developed biosensor system has high specificity towards adenovirus, and it was applied to environmental waste water samples for the detection of adenovirus with 95 to 117% recovery and 1.1 to 8.1% cv values (n=2). © 2013 IEEE.

关键词： Optical fibers

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Dynamic Surface for Output Feedback Sliding Modes, the Case of Relative Degree Two

Dynamic Surface for Output Feedback Sliding Modes, the Case ...

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IEEE Annual Conference on Decision and Control

作者： Andrea Aparicio Martinez Fernando Castanos Leonid Fridman Electrical Engineering PhD Program of the Faculty of Engineering Universidad Nacional Autonoma de Mexico Departamento de Control Automatico Cinvestav IPN Mexico Faculty of Engineering Universidad Nacional Autonoma de Mexico

ISBN: (纸本)9781467357159

A general transformation that takes linear systems into their regular form, for any relative degree is introduced. A sliding surface where unmatched unknown inputs are attenuated via a reduced order H_∞ control is designed, for the case of relative degree two. By a discontinuous control action, the surface is reached exactly in finite time, guaranteeing the minimization of the unmatched disturbance. Complete state measurements are not necessary.

关键词： INCOMPATIBLE Linear system Output feedback Standing Orders Family Members control action discontinuous control Slip surfaces Reduced order

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X-ray absorption spectroscopy studies for the determination of adsorption binding modes of selenium oxoanions onto iron and manganese based nanomaterials

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MRS Online Proceedings Library 2013年第1期1480卷 13-24页

作者： Gonzalez, Christina M. Parsons, Jason G. Hernandez, Jeffrey Gardea-Torresdey, Jorge L. Department of Chemistry The University of Texas at El Paso El Paso United States Department of Chemistry The University of Texas-Pan American Edinburg United States Environmental Science and Engineering PhD program The University of Texas at El Paso El Paso United States

Increasing concentrations of selenium oxoanions in the environment are placing many animals at risk for reproduction failure and deformities. The understanding of binding mechanisms of selenium oxoanions to iron and manganese based oxide minerals could lead to enhanced understanding of selenium mobility in the environment. In this study, the binding mechanisms of selenium oxoanions, selenite and selenate, to non microwave-assisted and microwave-assisted synthetic Fe3O4, Mn3O4, and MnFe2O4 nanomaterials were investigated through the use of X-ray absorption spectroscopy. The X-ray absorption near-edge structure (XANES) spectroscopy studies revealed the oxidation state of selenite and selenate remains the same after binding occurs to all nanomaterials in pH 2, 4, or 6 environments. The binding modes of selenite and selenate were determined to be bidentate binuclear through use of Extended x-ray absorption fine structure (EXAFS) and were independent of nanomaterials, synthetic technique, and pH.

关键词： Se nanostructure adsorption

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Direct Detection of Adenovirus in Environmental Waste Waters by Portable Optical Fiber Sensor Platform

Direct Detection of Adenovirus in Environmental Waste Waters...

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IEEE Sensors

作者： Nimet Yildirim Dan Li Feng Long April Z. Gu Bioengineering PhD Program Northeastern University Boston US State Key Joint Laboratory of Environment Simulation and Pollution Control Environmental Science and Engineering Tsinghua University Beijing China Department of Environment Science and Engineering Tsinghua University Beijing China Department of Civil and Environmental Engineering Northeastern University Boston US

ISBN: (纸本)9781467346412

关键词： ADENOVIRUS DETECTION DIRECT

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Proceedings from the 9th annual conference on the science of dissemination and implementation: Washington, DC, USA. 14-15 December 2016

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Implement Sci 2017年第SUPPL 1期12卷 48-48页

作者： David Chambers Lisa Simpson Gila Neta Ulrica von Thiele Schwarz Antoinette Percy-Laurry Gregory A. Aarons Ross Brownson Amanda Vogel Shannon Wiltsey Stirman Kenneth Sherr Rachel Sturke Wynne E. Norton Allyson Varley Cynthia Vinson Lisa Klesges Suzanne Heurtin-Roberts M. Rashad Massoud Leighann Kimble Arne Beck Claire Neely Jennifer Boggs Carmel Nichols Wen Wan Erin Staab Neda Laiteerapong Nathalie Moise Ravi Shah Susan Essock Margaret Handley Amy Jones Jay Carruthers Karina Davidson Lauren Peccoralo Lloyd Sederer Todd Molfenter Ashley Scudder Sarah Taber-Thomas Kristen Schaffner Amy Herschell Eva Woodward Jeffery Pitcock Mona Ritchie JoAnn Kirchner Julia E. Moore Sobia Khan Shusmita Rashid Jamie Park Melissa Courvoisier Sharon Straus Daniel Blonigen Allison Rodriguez Luisa Manfredi Andrea Nevedal Joel Rosenthal David Smelson Christine Timko Nicole Stadnick Jennifer Regan Miya Barnett Anna Lau Lauren Brookman-Frazee Erick Guerrero Karissa Fenwick Yinfei Kong Gregory Aarons Rebecca Lengnick-Hall Benjamin Henwood Nina Sayer Craig Rosen Robert Orazem Brandy Smith Lindsey Zimmerman David Lounsbury Rachel Kimerling Jodie A. Trafton Steven Lindley Rahul Bhargava Hal Roberts Laura Gibson Gabriel J. Escobar Vincent Liu Benjamin Turk Arona Ragins Patricia Kipnis Ashley Ketterer Gruszkowski Michael W. Kennedy Emily Rentschler Drobek Lior Turgeman Aleksandra Sasha Milicevic Terrence L. Hubert Larissa Myaskovsky Youxu C. Tjader Robert J. Monte Kathryn G. Sapnas Edmond Ramly Diane R Lauver Christie M Bartels Shereef Elnahal Andrea Ippolito Hillary Peabody Carolyn Clancy Randall Cebul Thomas Love Douglas Einstadter Shari Bolen Brook Watts Vera Yakovchenko Angela Park William Lukesh Donald R. Miller David Thornton Mari-Lynn Drainoni Allen L. Gifford Shawna Smith Julia Kyle Mark S Bauer Daniel Eisenberg Celeste Liebrecht Michelle Barbaresso Amy Kilbourne Elyse Park Giselle Perez Jamie Ostroff Sarah Greene Michael Parchman Brian Austin Eric Larson Stefanie Ferreri Chris Shea Megan Smith Kea Turner Jennifer Bacci Kyle Bigham Geoffr Division of Cancer Control and Population Sciences National Cancer Institute Rockville MD 20850 USA AcademyHealth Washington DC 20009 USA Department of Learning Informatics Management and Ethics Karolinska Institutet Stockholm 17177 Sweden Department of Psychiatry University of California San Diego San Diego CA 92093 USA George Warren Brown School of Social Work Washington University in St. Louis St. Louis MO 63130 USA Center for Global Health National Cancer Institute Rockville MD 20850 USA Dissemination and Training Division VA National Center for PTSD Palo Alto CA 94305 USA Department of Global Health University of Washington Seattle WA 98105 USA Center for Global Health Studies Fogarty International Center National Institutes of Health Bethesda MD 20912 USA School of Public Health University of Alabama at Birmingham Birmingham AL 35243 USA School of Public Health University of Memphis Memphis TN 38152 USA USAID Applying Science to Strengthen and Improve Systems (ASSIST) Project Bethesda Maryland 20814 USA Institute for Health Research Kaiser Permanente Denver CO 80231 USA ICSI Institute for Clinical Systems Improvement Bloomington MN 55425 USA Medicine University of Chicago Chicago IL 60637 USA Medicine Columbia University Medical Center New York NY 10032 USA Psychiatry Columbia University New York NY 10032 USA General Internal Medicine Epidemiology and Biostatistics University of California San Francisco San Francisco CA 94110 USA New York State Office of Mental Health New York NY 10001 USA Medicine Icahn School of Medicine at Mount Sinai New York NY 10029 USA Center for Health Enhancement System Studies University of Wisconsin Madison WI 53706 USA Department of Psychiatry University of Pittsburgh Pittsburgh PA 15213 USA Psychology University at Buffalo Buffalo NY 14260 USA Department of Psychology West Virginia University Morgantown WV 26506 USA MIRECC VA North Little Rock AR 72114 USA QUERI for Team-Based Behavioral Health Centr

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Review on engineering and Regulatory aspects associated with Frequency Control Capabilities of Wind Power Plants

Review on Engineering and Regulatory aspects associated with...

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IEEE Energytech

作者： Venkatesh Yadav Singarao Vittal Rao Mark A. Harral multi-disciplinary Wind Science and Engineering PhD program Texas Tech University Department of Electrical & Computer Engineering Texas Tech University GroupNIRE clean energy development company

ISBN: (纸本)9781467344456

With the increasing grid penetration levels of wind power, there is an increasing need to study both the power control systems and the regulatory aspects associated with frequency control capabilities of wind power plants at various levels (turbine, wind farm and power system levels). This is especially very important in the United States with a goal of achieving 20% nation's electricity from wind energy by 2030. This paper provides observations and challenges identified with wind energy integration with respect to active power control strategies used in implementing frequency regulation at various levels. This paper also discusses the current and future aspects of market regulation of frequency responsive services offered by converter based variable generation technologies and the need for an appropriate utility market structure in order to provide settlements for these capabilities.

关键词： Inertial and Primary Frequency Response Frequency Regulation Standards Ancillary Service Markets Wind Power Plants

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Erratum to “Detergent-Enzymatic Decellularization of Swine Blood Vessels: Insight on Mechanical Properties for Vascular Tissue engineering”

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BioMed Research International 2014年第1期2014卷 412838-412838页

作者： Alessandro F. Pellegata M. Adelaide Asnaghi Ilaria Stefani Anna Maestroni Silvia Maestroni Tommaso Dominioni Sandro Zonta Gianpaolo Zerbini Sara Mantero Department of Chemistry Materials and Chemical Engineering “Giulio Natta” Politecnico di Milano Piazza Leonardo da Vinci 32 20133 Milano Italypolimi.it PhD Program in Bioengineering Politecnico di Milano Piazza Leonardo da Vinci 32 20133 Milano Italypolimi.it Complication of Diabetes Unit Division of Metabolic and Cardiovascular Sciences San Raffaele Scientific Institute Milan Italyunisr.it General Surgery I Fondazione IRCCS Pol. San Matteo Pavia ***

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