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In this brief paper, experimental results of the generation of acoustic waves in a tilted silo during the discharge process of a granular material are presented. The silo used in the experiments possesses cylindrical geometry. Acoustic waves, produced by dynamic pulsations due to the stick-slip motion of the granular material inside the tilted silo, are captured and analyzed using signal processing...
We consider the fields of the acoustic pressure in the stratified ocean produced by the non-uniformly moving sources. We obtain the asymptotic formulas for the far field taking into account the mode and lateral wave contributions. We propose the spectral parameter power series method (SPPS method) of the dispersion equation applicable for the calculation of the propagating modes from moving source...
von Willebrand's disease (VWD) is the most commonly inherited bleeding disorder. For a long time, it has been said that VWD was absent in some countries due to ethnical differences. Information about the prevalence of VWD in Mexico remains unclear, owing largely to poor awareness and diagnosis of the disease. The aim of this study was to objectively diagnose VWD in a cohort of highly selected Mexican...
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