Now showing items 1823-1842 of 2689

    • Predicting magnetopause crossings at geosynchronous orbit during the Halloween storms 

      Unknown author (2007-01)
      [1] In late October and early November of 2003, the Sun unleashed a powerful series of events known as the Halloween storms. The coronal mass ejections launched by the Sun produced several severe compressions of the ...
    • Prediction of firing pin shape and 3-D matching of shells and firing pins based on firing pin impressions in primers 

      Dawson, Donald W.; Hart, Chris L.; Gilbert, Bernard R.; Andrade, Rafael A.; Blatt, Joel H. (1997-02-10)
      A variable resolution video machine vision system has been built which will determine the 3-D shape of a firing pin from the dent it has made in the primer of a shell. The system can also compare primer dents in different ...
    • Preliminary XCOV26 results for EC14012-1446 

      Provençal, Judith L.; Thompson, Susan E.; Montgomery, Michael H.; Kanaan, Antonio; Shipman, Harry L.; Dalessio, James; Childers, D.; Clémens, Christian; Vennes, Stéphane; Wood, Matt A. (2009)
      EC14012-1446 is a hydrogen atmosphere (DA) white dwarf pulsator. Its rich pulsation spectrum displays a range of excited modes with complex multiplet structure, in addition to numerous combination frequencies. In April ...
    • Preparing Acrylic Acid from Low Purity Propylene 

      Alhajri, Abdullah; Alsaeed, Ahmed; Thaher, Dhari
      This process produces acrylic acid from low purity propylene and propane 85%, 15% purity by mass respectively as a feedstock. This is more cost effective than high purity propylene that is used commonly. The process consumes ...
    • Preprocessing of SAR interferometric data using anisotropic diffusion filter 

      Sartor, Kenneth; De Allen, Josef Vaughn; Ganthier, Emile; Tenali, Gnana Bhaskar (2007-05-07)
      The most commonly used smoothing algorithms for complex data processing are blurring functions (i.e., Hanning, Taylor weighting, Gaussian, etc.). Unfortunately, the filters so designed blur the edges in a Synthetic Aperture ...
    • Pressure shifts and abundance gradients in the atmosphere of the DAZ white dwarf GALEX J193156.8+011745 

      Vennes, Stéphane; Kawka, Adéla; Németh, Péter (2011-06-01)
      We present a detailed model atmosphere analysis of high-dispersion and high signal-to-noise ratio spectra of the heavily polluted DAZ white dwarf GALEX J1931+0117. The spectra obtained with the Very Large Telescope ...
    • Pressure swing adsorption separation of H₂S/CO₂/CH₄ gas mixtures with molecular sieves 4A, 5A, and 13X 

      Heck, Howell H.; Hall, Merilyn L.; Dos Santos, Rudy; Tomadakis, Manolis M. (2018-07-03)
      Pressure swing adsorption experiments were carried out for the separation of equimolar mixtures of carbon dioxide and methane containing small amounts of hydrogen sulfide, utilizing 4A, 5A, and 13X molecular sieves. ...
    • PriMA prosthetics –3D printed myoelectric prosthetic arm 

      Brown, Clyde; Berger, Thaddeus; Spagnolo, Austin; Atkinson, Taylor; Pastakia, Meet; Yaman, Zuhoor; Ballman, Nicole; Pavao, Justin; Babbit, Ryan; Goldman, Dannielle; Elena, Maria Vittoria
      Develop an innovative 3D printable prosthetic arm solution which is strong and life-like in appearance and function. The device should meet all FDA standards and be designed for commercialization.
    • Principal-component analysis of two-particle azimuthal correlations in PbPb and pPb collisions at CMS 

      Sirunyan, A. M.; Tumasyan, A. R; Adam, Wolfgang; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, F. (2017-12-05)
      For the first time a principle-component analysis is used to separate out different orthogonal modes of the two-particle correlation matrix from heavy ion collisions. The analysis uses data from sNN=2.76TeV PbPb and ...
    • Prioritizing Key Resilience Indicators to Support Coral Reef Management in a Changing Climate 

      McClanahan, Tim R.; Donner, Simon D.; Maynard, Jeffrey Allen; MacNeil, M. Aaron; Graham, Nicholas Anthony James; Maina, Joseph M.; Baker, Andrew C.; Alemu I., Jahson Berhane; Beger, Maria; van Woesik, Robert (2012-08-29)
      Managing coral reefs for resilience to climate change is a popular concept but has been difficult to implement because the empirical scientific evidence has either not been evaluated or is sometimes unsupportive of theory, ...
    • Privus: Take Back Your Privacy The Effect of a User-Centered Approach on Privacy Management 

      Tasher, Aral (2018-04)
      Rapid innovations in science and engineering have created a greater opportunity for disruptive technologies to be established at a faster rate. Less than a decade ago mobile, phones were a mere tool for communication, ...
    • Proactive Approach for the Prevention of DDoS Attacks in Cloud Computing Environments 

      Alshehry, Badr (2016-12)
      Contemporary security systems attempt to provide protection against distributed denial-of-service (DDoS) attacks; however, they mostly use a variety of computing and hardware resources for load distribution and request ...
    • A Probabilistic Approach to Generating Representative Wind Forcing and Wave Heights within an Estuarine Environment 

      Haley, Vanessa Maria (2019-05)
      While wind driven waves affect erosion, sediment resuspension, and flow in shallow estuaries like the Indian River Lagoon (IRL), neither winds nor waves are well observed in this environment. In order to calculate accurate ...
    • Probabilistic microcell prediction model 

      Song- Kyoo, Kim (2002-06-25)
      A microcell is a cell with 1-km or less radius which is suitable for heavily urbanized area such as a metropolitan city. This paper deals with the microcell prediction model of propagation loss which uses probabilistic ...
    • Probabilistic Model-Based Cell Tracking 

      Nezamoddini-Kachouie, Nezamoddin; Fieguth, Paul; Ramunas, John; Jervis, Eric (2006)
      The study of cell behavior is of crucial importance in drug and disease research. The fields of bioinformatics and biotechnology rely on the collection, processing, and analysis of huge numbers of biocellular images, ...
    • Processing of one-fiber interferometric fiber-optic sensor signals 

      Tino, Alavie, A.; Grossman, Barry G.; Thursby, Michael H. (1990-02-13)
      Recent research conducted in the Fiber -Optic Sensor Systems Laboratory at Florida Institute of Technology in fiber -optic strain sensors for use in smart structures has concentrated primarily on one -fiber interferometers. ...
    • Product-based multiresolution image fusion 

      Ostrem, Trond M.; Kozaitis, Samuel P. (2005-04-05)
      We combined images from different sensors that were enhanced by multiscale products of the wavelet coefficients. Using the wavelet transform, we used a multiresolution analysis to form products of coefficients across scales. ...
    • Production & Extraction of 1,3-Butadiene by Oxidative Dehydrogenation 

      Coutte, Luis; Gonzalez Portillo, Andres; Nystrom, Stuart
      The purpose of this project is to design and simulate a chemical plant which will manufacture 1,3-Butadiene on purpose. The proposed plant will be located in the United States and will operate at a rate of almost 11,000 ...
    • Production of 1,3-Butadiene from Ethanol 

      Compton, Rosemary; Fries, Matt; Sinotte, Dillon
      Due to the increased reliance on natural gas, the production of 1,3-butadiene as a result of hydrocracking has decreased. This in turn drives the price of butadiene up at a rate that is unsustainable. Given that butadiene ...
    • Production of ethylene from ethanol 

      Baatiyyah, Hani; Al Hinai, Hamed; Alkhaldi, Fawaz
      The purpose of this project is to design a chemical plant for the production of pure Ethylene from a feed which contains 5% water and 95% liquid Ethanol by weight. The proposed plant will produce 130,000 kg/hr of ...