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Articles 1 - 8 of 8
Full-Text Articles in Physical Sciences and Mathematics
Effects Of Aging On Organic Aerosol From Open Biomass Burning Smoke In Aircraft And Laboratory Studies, M J. Cubison, A M. Ortega, P L. Hayes, D K. Farmer, D Day, M J. Lechner, W H. Brune, E Apel, G S. Diskin, J A. Fisher, H E. Fuelberg, A Hecobian, D J. Knapp, T Mikoviny, D Riemer, G W. Sachse, W Sessions, R Weber, A J. Weinheimer, A Wisthaler, J L. Jimenez
Effects Of Aging On Organic Aerosol From Open Biomass Burning Smoke In Aircraft And Laboratory Studies, M J. Cubison, A M. Ortega, P L. Hayes, D K. Farmer, D Day, M J. Lechner, W H. Brune, E Apel, G S. Diskin, J A. Fisher, H E. Fuelberg, A Hecobian, D J. Knapp, T Mikoviny, D Riemer, G W. Sachse, W Sessions, R Weber, A J. Weinheimer, A Wisthaler, J L. Jimenez
Jenny A Fisher
Biomass burning (BB) is a large source of primary and secondary organic aerosols (POA and SOA). This study addresses the physical and chemical evolution of BB organic aerosols. Firstly, the evolution and lifetime of BB POA and SOA signatures observed with the Aerodyne Aerosol Mass Spectrometer are investigated, focusing on measurements at high-latitudes acquired during the 2008 NASA ARCTAS mission, in comparison to data from other field studies and from laboratory aging experiments. The parameter f60 , the ratio of the integrated signal at m/z 60 to the total signal in the organic component mass spectrum, is used as a …
A Comparison Of Laboratory And Vulnerability Evaluation Methods For The Testing Security Equipment, Benjamin Beard, David J. Brooks
A Comparison Of Laboratory And Vulnerability Evaluation Methods For The Testing Security Equipment, Benjamin Beard, David J. Brooks
David J Brooks Dr.
A facility wide security system cannot be tested without causing disruption or creating vulnerabilities within the system. To overcome this issue, individual components or equipment may be evaluated to a priori performance standard. The two common approaches to security equipment evaluations are vulnerability attacks and laboratory testing. Laboratory testing of security equipment can reduce the costs and time associated with evaluations, as well as limiting the subjectivity of the tests. Vulnerability attacks will produce more realistic evaluation results of the whole security system; nevertheless, the data obtained is dependent on the physical attributes and skill of the attackers. This study …
Basic Astronomy Labs, Terry L. Smith, Michael D. Reynolds, Jay S. Huebner
Basic Astronomy Labs, Terry L. Smith, Michael D. Reynolds, Jay S. Huebner
Jay S Huebner
Providing the tools and know-how to apply the principles of astronomy first-hand, these 43 laboratory exercises each contain an introduction that clearly shows budding astronomers why the particular topic of that lab is of interest and relevant to astronomy. About one-third of the exercises are devoted solely to observation, and no mathematics is required beyond simple high school algebra and trigonometry.Organizes exercises into six major topics—sky, optics and spectroscopy, celestial mechanics, solar system, stellar properties, and exploration and other topics—providing clear outlines of what is involved in the exercise, its purpose, and what procedures and apparatus are to be used. …
Embedded Internet Laboratory, Fazel Naghdy, Peter Vial, N Taylor
Embedded Internet Laboratory, Fazel Naghdy, Peter Vial, N Taylor
Dr Peter Vial
No abstract provided.
Simkat: A Virtual Laboratory To Explore The Impact Of Climate Change Scenarios On The Western Australian Wheat-Belt, A Dray, S Asseng, Pascal Perez, S Charles, B Bates
Simkat: A Virtual Laboratory To Explore The Impact Of Climate Change Scenarios On The Western Australian Wheat-Belt, A Dray, S Asseng, Pascal Perez, S Charles, B Bates
Professor Pascal Perez
The northernmost part of the Mesoamerican Barrier Reef (MBR) runs along the eastern Yucatan peninsula (Mexico). Over two decades, sprawling coastal tourism development and over-exploitation of marine resources have considerably reduced fringing reef's ecological functions. SimReef is an interactive model designed to better understand the interactions between regional and local drivers strongly influencing the health of coral reefs. SimReef's development follows a collective design approach and an inductive process whereby dynamics are represented by data-driven relationships. Experts and stakeholders participate to the designing phase in order to help calibrating the model and to support a consensual validation of the results.
Embedded Internet Laboratory, Fazel Naghdy, Peter Vial, N Taylor
Embedded Internet Laboratory, Fazel Naghdy, Peter Vial, N Taylor
Professor Fazel Naghdy
No abstract provided.
A Web-Based Intelligent Laboratory Instruction System, Fazel Naghdy, Yan Chen
A Web-Based Intelligent Laboratory Instruction System, Fazel Naghdy, Yan Chen
Professor Fazel Naghdy
No abstract provided.
Sediment Control At Water Intakes Along Sand Bed Rivers, Fred L. Ogden
Sediment Control At Water Intakes Along Sand Bed Rivers, Fred L. Ogden
Fred L. Ogden
Results from five physical hydraulic model studies of riverside water intakes situated along the Missouri River reach between Sioux City, Iowa, and St. Louis, Missouri, are presented. Movable-bed, undistorted Froude-scale models are used to determine the effectiveness of structural modifications in the vicinity of the intake to limit the influx of bed-load sediments. Solutions developed in each case include a series of submerged flow-turning vanes located on the riverward side of the intake. A sediment-barrier wall between the vanes and intake ...