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Kevin J. Parker
In the approaches to elastography, two mathematical operations have been frequently applied to improve the final estimate of shear wave speed and shear modulus of tissues. The vector curl operator can separate out the transverse component of a complicate...
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Kevin J. Parker and Miguel A. Alonso
The free space solution to the wave equation in spherical coordinates is well known as a separable product of functions. Re-examination of these functions, particularly the sums of spherical Bessel and harmonic functions, reveals behaviors which can prod...
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Giovanni Romanelli, Carla Andreani, Enrico Ferraris, Christian Greco, Salima Ikram, Silvia Licoccia, Giuseppe Paladini, Stewart F. Parker, Enrico Preziosi, Roberto Senesi, Lucy Skinner, André J. Veldmeijer, Valentina Venuti and Valentina Turina
The Museo Egizio?s collection contains 200 precious and unique leather artifacts belonging to different historical periods. The materials used during the tanning and curing procedures affect the chemical and elemental composition of the surface of the sa...
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Davide Di Blasi, Simonepietro Canese, Erica Carlig, Steven J. Parker, Eva Pisano, Marino Vacchi and Laura Ghigliotti
In situ observation of Antarctic toothfish (Dissostichus mawsoni) is challenging as they typically live at depths greater than 500 m, in dark and ice-covered Antarctic waters. Searching for adequate methodologies to survey Antarctic toothfish in their ha...
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Jonathan J. Carroll-Nellenback, R. James White, Ronald W. Wood and Kevin J. Parker
Ultrasound imaging of the liver is an everyday, worldwide clinical tool. The echoes are produced by inhomogeneities within the interrogated tissue, but what are the mathematical properties of these scatterers? In theory, the spatial correlation function ...
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S.B. Jones, T.S. Nonnenmacher, E. Atkin, G.J. Barker, A. Basharina-Freshville, C. Betancourt, S.B. Boyd, D. Brailsford, Z. Chen-Wishart, L. Cremonesi, A. Deisting, A. Dias, P. Dunne, J. Haigh, P. Hamacher-Baumann, A. Kaboth, A. Korzenev, W. Ma, P. Mermod, M. Mironova, J. Monroe, R. Nichol, J. Nowak, W. Parker, H. Ritchie-Yates, S. Roth, R. Saakyan, N. Serra, Y. Shitov, J. Steinmann, A. Tarrant, M.A. Uchida, S. Valder, A.V. Waldron, M. Ward and M.O. WasckoaddShow full author listremoveHide full author list
We present studies of proton fluxes in the T10 beamline at CERN. A prototype high pressure gas time projection chamber (TPC) was exposed to the beam of protons and other particles, using the 0.8 GeV/c momentum setting in T10, in order to make cross secti...
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Kevin J. Parker, Jonathan J. Carroll-Nellenback and Ronald W. Wood
The fractal branching vasculature within soft tissues and the mathematical properties of the branching system influence a wide range of important phenomena from blood velocity to ultrasound backscatter. Among the mathematical descriptors of branching net...
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Laura S. Bleker, Jeannette Milgrom, Donna Parker, Alan W. Gemmill, Christopher J. Holt, Alan Connelly, Huibert Burger, Tessa J. Roseboom and Susanne R. de Rooij
Antenatal depression is associated with an increased risk of offspring neuro-developmental disorders, potentially as a consequence of an altered brain development in utero. We hypothesized that reducing maternal depression by Cognitive Behavioral Therapy...
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George M. Woodall, Mark D. Hoover, Ronald Williams, Kristen Benedict, Martin Harper, Jhy-Charm Soo, Annie M. Jarabek, Michael J. Stewart, James S. Brown, Janis E. Hulla, Motria Caudill, Andrea L. Clements, Amanda Kaufman, Alison J. Parker, Martha Keating, David Balshaw, Kevin Garrahan, Laureen Burton, Sheila Batka, Vijay S. Limaye, Pertti J. Hakkinen and Bob Thompson
The US Environmental Protection Agency (EPA) and other federal agencies face a number of challenges in interpreting and reconciling short-duration (seconds to minutes) readings from mobile and handheld air sensors with the longer duration averages (hours...
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Shoaib Ahmed,Nazim Taskin,David J. Pauleen,Jane Parker
IT professionals play a critical role in organizations. Research indicates that they may be unique in their attitudes toward motivation and job satisfaction. In New Zealand, a shortage of skilled professionals may contribute to or impact on motivation. U...
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