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  1. No Access

    Chapter

    Current Imaging Modalities and Virtual Models for Kidney Tumors

    During the last decades, the progressive diffusion and technological improvements of renal tumor imaging have played a pivotal role in changing the natural history of this disease.

    F. Porpiglia, C. Rogers, P. De Backer, F. Piramide in Robotic Urologic Surgery (2022)

  2. No Access

    Chapter

    Applied Physiology of the Veins of the Lower Limb

    The principle mechanisms that maintain venous return and the derangements that result in varicose veins are still understood incompletely. This is because veins, especially those of the dynamic lower limb, are...

    C. Rogers in Fegan’s Compression Sclerotherapy for Varicose Veins (2003)

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    Chapter

    On a Laplace Sequence of Nonlinear Integrable Ernst-Type Equations

    Invariance under Laplace-Darboux-type transformations is established for the 2+1-dimensional Loewner-Konopelchenko-Rogers integrable system. This is exploited to derive a chain of novel, integrable Ernst-type ...

    W. K. Schief, C. Rogers in Algebraic Aspects of Integrable Systems (1997)

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    Chapter

    HI Bubbles Around NGC 6888

    The interstellar bubbles are generally the result of the interaction of strong stellar winds with the surrounding material. HI voids and shells have been disclosed around several WR stars in our Galaxy (e.g. Niem...

    C. Cappa De Nicolau, C. Rogers, G. Dubner… in Unsolved Problems of the Milky Way (1996)

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    Chapter

    On Gasdynamic-Solitonic Connections

    A link between a class of infinitesimal Bäcklund transformations of the hodograph equations of isentropic gasdynamics and novel 2 + 1-dimensional integrable systems is reviewed. In addition, it is noted that a...

    C. Rogers in Applications of Analytic and Geometric Met… (1993)

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    Chapter

    Ermakov Structure in 2 + 1-Dimensional Systems. Canonical Reduction

    Ermakov-type systems in 2 + 1-dimensions are introduced. Multi-wave solutions of a 2 + 1-dimensional Pinney equation and a modulated 2 + 1-dimensional sine-Gordon equation are constructed via the standard Erma...

    C. Rogers, C. Hoenselaers, U. Ramgulam in Modern Group Analysis: Advanced Analytical… (1993)

  7. No Access

    Chapter and Conference Paper

    Observations of HCO+ in B335

    We present HCO+ observations of B335 by JCMT. They show that there is warm gas in the central region and a steep excitation gradient.

    T. I. Hasegawa, C. Rogers, S. S. Hayashi in Submillimetre Astronomy (1990)

  8. No Access

    Chapter and Conference Paper

    Carbon Grains in the Circumstellar Envelope of IRC +10 216

    We have made models of the spectral and spatial distribution of radiation from circumstellar grains in IRC +10 216, incorporating new opacity laws for graphite and amorphous carbon; graphite still seems less s...

    P. G. Martin, C. Rogers in Late Stages of Stellar Evolution (1987)