2,782 research outputs found

    A comprehensive lightweight inter-domain procedure call mechanism for concurrent computations

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    Many inter-domain procedure calls (IDPCs) have been developed to provide fast communication services between protection domains. Different techniques have been employed to trade protection for performance. However, few studies have been made to discuss issues for constructing a comprehensive and generally usable IDPC facility. In this paper, we evaluate the tradeoff between protection and performance in a IDPC facility, and introduce a new IDPC mechanism which shows its merits by achieving comprehensiveness with secure protection and a performance that is comparable with some well-known mechanisms.published_or_final_versio

    Clinical applications of high-intensity focused ultrasound

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    Comment on predissociation of O2 in the B state

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    Nanoparticles in optic nerve trauma: nanoscaffolding, visualization and regeneration

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    Session 1 - Nanotechnology / Vision Restoration: Concepts, Possibilities, Challengespostprin

    Nanoscale technologies: nano-knitting, healing powers and hemostasis

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    Session 2 - Nanotechnology / Vision Restoration: Clinical Usespostprin

    Isotopic dependence of predissociation linewidths in the Schumann-Runge bands of oxygen

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    It is demonstrated that, according to semi-classical theory, the isotopic dependence of the predissociation linewidths in the Schumann-Runge bands of oxygen cannot be removed by simple scaling of the reduced mass. This is in contrast to the isotopic dependence of the predissociated vibrational energy levels. ©1995 American Institute of Physics.published_or_final_versio

    Rotational dependence of the predissociation linewidths of the Schumann-Runge bands of O2

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    The predissociation linewidths of vibrational levels v=0-12 for 16O 2, 16O 18O, and 18O 2 molecules in the B 3Σ u - state with rotational quantum numbers N≤20 have been calculated taking into account the spin-orbit interactions of the B 3Σ u - state with the 5Π u, 3Σ u +, 3Π u, and 1Π u states, and the rotational coupling with the 3Π u, state. The predissociation linewidths exhibit systematic variations with rotational quantum number for different vibrational levels. Good agreement between most of the calculated and experimental linewidths has been obtained for all three isotopic molecules, with the exception of the set of linewidths of 16O 2 for v=0 and 2. The agreement can be improved by adjustment of the 1Π u potential and the strength of the spin-orbit interaction between the B 3Σ u - and 1Π u states. © 1993 American Institute of Physics.published_or_final_versio
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