Now showing items 1464-1483 of 3883

    • Gas Separation Silica Membranes Prepared by Chemical Vapor Deposition of Methyl-Substituted Silanes 

      Kato, Harumi; Lundin, Sean-Thomas B.; Ahn, So-Jin; Takagaki, Atsushi; Kikuchi, Ryuji; Oyama, S. Ted (MDPI, 2019-11-03)
      The effect on the gas permeance properties and structural morphology of the presence of methyl functional groups in a silica membrane was studied. Membranes were synthesized via chemical vapor deposition (CVD) at 650 °C ...
    • Gaussian decomposition of beams and other functions 

      Dewolf, David A. (American Institute of Physics, 1989-06-15)
      The Gabor expansion of a function f_(x) decomposes it into a double sum over integers m and n of a product of basis functions g(x_m X) and Fourier_series exponentials exp(2πi n/X) for given spacing X. The choice of basis ...
    • A Gaussian Derivative Based Version of JPEG for Image Compression and Decompression 

      Morgan, Alexander P.; Watson, Layne T.; Young, Richard A. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1995-11-01), TR-95-22
      The compression and decompression of continuous-tone images is important in document management and transmission systems. This paper considers an alternative image representation scheme, based on Gaussian derivatives, to ...
    • Gaussian-beam profile shaping by acousto-optic Bragg-diffraction 

      McNeill, M. D.; Poon, Ting-Chung (Optical Society of America, 1994)
      We study how Gaussian laser-beam profiles can be modified into a desired form using acousto-optic Bragg diffraction. By exploiting the angular dependence of Bragg diffraction of plane waves by acoustic gratings, we demonstrate ...
    • GC-on-chip: integrated column and photoionization detector 

      Akbar, Muhammad; Shakeel, Hamza; Agah, Masoud (The Royal Society of Chemistry, 2015-02-04)
      This paper reports a unique GC-on-chip module comprising a monolithically integrated semi-packed micro separation column (μSC) and a highly sensitive micro helium discharge photoionization detector (μDPID). While semi-packed ...
    • GDSCalc: A Web-Based Application for Evaluating Discrete Graph Dynamical Systems 

      Abdelhamid, S. H. E.; Kuhlman, C. J.; Marathe, M. V.; Mortveit, H. S.; Ravi, S. S. (PLOS, 2015-08-11)
      Discrete dynamical systems are used to model various realistic systems in network science, from social unrest in human populations to regulation in biological networks. A common approach is to model the agents of a system ...
    • Gel'fand-Graev's Reconstruction Formula in the 3D Real Space - a Framework towards a General Interior Tomography Theory 

      Ye, Yangbo; Yu, Hengyong; Wang, Ge (2010-05-31)
      In [1-4], I. M. Gel'fand and M. I. Graev proposed inversion formulas for x-ray transforms in different spaces. In particular, Gel’fand-Graev’s inversion formula [1] is a fundamental relationship linking projection data to ...
    • Gender differences in fatigability and muscle activity responses to a short-cycle repetitive task 

      Srinivasan, Divya; Sinden, Kathryn E.; Mathiassen, Svend Erik; Cote, Julie N. (Springer, 2016-12-01)
      Purpose Epidemiological research has identified women to be more susceptible to developing neck-shoulder musculoskeletal disorders when performing low-force, repetitive work tasks. Whether this is attributable to gender ...
    • Gene Selection for Multiclass Prediction by Weighted Fisher Criterion 

      Xuan, Jianhua; Wang, Yue; Dong, Yibin; Feng, Yuanjian; Wang, Bin; Khan, Javed; Bakay, Maria; Wang, Zuyi; Pachman, Lauren; Winokur, Sara; Chen, Yi-Wen; Clarke, Robert; Hoffman, Eric (2007-07-10)
      Gene expression profiling has been widely used to study molecular signatures of many diseases and to develop molecular diagnostics for disease prediction. Gene selection, as an important step for improved diagnostics, ...
    • A General Formula for Fan-Beam Lambda Tomography 

      Yu, Hengyong; Wang, Ge (Hindawi, 2007-08-23)
    • General Interface Description of Websites using CLICK and UIML 

      Bhardwaj, Yogita; Abu-Saqer, Muhammad; Pérez-Quiñones, Manuel A. (Department of Computer Science, Virginia Polytechnic Institute & State University, 2004), TR-04-27
      This paper explores the domain of programming paradigm for Multi-Platform User Interfaces using XML based languages. The main focus of this work is User Interface Markup Language (UIML), an XML based language for describing ...
    • A General Local Reconstruction Approach Based on a Truncated Hilbert Transform 

      Ye, Yangbo; Yu, Hengyong; Wei, Yuchuan; Wang, Ge (Hindawi, 2007-06-17)
      Exact image reconstruction from limited projection data has been a central topic in the computed tomography (CT) field. In this paper, we present a general region-of-interest/volume-of-interest (ROI/VOI) reconstruction ...
    • A General Probabilistic Model of the PCR Process 

      Saha, Nilanjan; Watson, Layne T.; Kafadar, Karen; Onufriev, Alexey V.; Ramakrishnan, Naren; Vasquez-Robinet, Cecilia; Watkinson, Jonathan (Department of Computer Science, Virginia Polytechnic Institute & State University, 2004), TR-04-06
      This paper rigorously derives a general probabilistic model for the PCR process; this model includes as a special case the Velikanov-Kapral model where all nucleotide reaction rates are the same. In this model the probability ...
    • General Purpose Visual Simulation System: A Functional Description 

      Bishop, John L.; Balci, Osman (Department of Computer Science, Virginia Polytechnic Institute & State University, 1989), TR-89-33
      The purpose of the research described herein is to develop a software system that aids a simulationist in constructing and executing a general purpose discrete event visual simulation model. A literature review has shown ...
    • A General Total Variation Minimization Theorem for Compressed Sensing Based Interior Tomography 

      Han, Weimin; Yu, Hengyong; Wang, Ge (Hindawi, 2009-11-17)
      Recently, in the compressed sensing framework we found that a two-dimensional interior region-of-interest (ROI) can be exactly reconstructed via the total variation minimization if the ROI is piecewise constant (Yu and ...
    • A Generalized Comparison of Quadtree and Bintree Storage Requirements 

      Shaffer, Clifford A.; Juvvadi, Ramana; Heath, Lenwood S. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1989), TR-89-23
      The quadtree and bintree data structures are two variants on the principle of hierarchical regular decomposition applied to image representation. A comparison of the storage requirements for images represented by these ...
    • Generalized Likelihood Uncertainty Estimation and Markov Chain Monte Carlo Simulation to Prioritize TMDL Pollutant Allocations 

      Mishra, Anurag; Ahmadisharaf, Ebrahim; Benham, Brian L.; Wolfe, Mary Leigh; Leman, Scotland C.; Gallagher, Daniel L.; Reckhow, Kenneth H.; Smith, Eric P. (2018-12)
      This study presents a probabilistic framework that considers both the water quality improvement capability and reliability of alternative total maximum daily load (TMDL) pollutant allocations. Generalized likelihood ...
    • Generalized Linear Product Homotopy Algorithms and the Computation of Reachable Surfaces 

      Su, Hai-Jun; McCarthy, J. Michael; Watson, Layne T. (Department of Computer Science, Virginia Polytechnic Institute & State University, 2003), TR-03-24
      In this paper, we apply a homotopy algorithm to the problem of finding points in a moving body that lie on specific algebraic surfaces for a given set of spatial configurations of the body. This problem is a generalization ...
    • Generalized Structured Programming 

      Martin, Johannes J. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1973), CS73003-R
      In an effort to eliminate some inconveniences connected with Dijkstra's method of Structured Programming, a generalized set of basic flow graphs for structuring programs is suggested. These structures generate the set of ...
    • Generating Topological Chaos in Lid-Driven Cavity Flow 

      Stremler, Mark A.; Chen, J. (AIP Publishing, 2007-10-01)
      Periodic motion of three stirrers in a two-dimensional flow can lead to chaotic transport of the surrounding fluid. For certain stirrer motions, the generation of chaos is guaranteed solely by the topology of that motion ...