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We attempt to answer two questions concerning the impacts of stream meteoroids on the nuclei of Comets 9P/Tempel 1 and 81P/Wild 2: firstly, how many streams cross the orbits of both comets and, secondly, what is the index of the differential mass distribution of impactors, s, when we assume that a prevailing number of the craters on the surfaces of cometary nuclei were created by stream meteoroids?...
In a previous study, we introduced PNEUMA, a physiologically realistic comprehensive model incorporating the respiratory, cardiovascular and neural control systems, aimed at characterizing cardiorespiratory mechanisms during sleep disordered breathing. The goal of this study was to integrate the pulsatile heart and comprehensive pulmonary and systemic circulation components into the existing PNEUMA...
The generalized Gordon-Kim method is used to calculate static and dynamic properties of the ionic crystal ScBO 3 . The equilibrium volume and the crystalline structure are obtained in a good agreement with experimental data. The Raman active phonon modes are calculated by the frozen phonon method. The absolute values of these frequencies and its pressure dependence are in good agreement...
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