Ship propeller side effects: pressure pulses and radiated noise

The present paper deals with the side effects of propellers cavitation, i.e.pressure pulses and radiated noise.These effects are gaining more and more importance for commercial ships for different reasons.Pressure pulses significantly affect comfort onboard, thus their reduction is of utmost importance for all ships carrying passengers.As regards t

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Recurrent posterior fossa anaplastic ependymoma with prominent chondroid metaplasia: A case report and review of literature

We report an unusual case of a recurrent TRIPLE TAKE 23 fourth ventricular anaplastic ependymoma with prominent chondroid metaplasia in a 16-year-old male.On initial presentation, the patient had a WHO Grade II tumor.However, at recurrence Coffee Grinders 1 year later, the tumor progressed to WHO Grade III tumor with more cellularity, necrosis and

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