نتایج جستجو برای: artificial vessel
تعداد نتایج: 371267 فیلتر نتایج به سال:
1 ABSTRACT The study of hemodynamics in an animal model associated with coronary stenosis has been limited due to the lack of a safe, accurate, and reliable technique for creating an artificial stenosis. Creating artificial stenosis using occluders in an open-chest procedure has often caused myocardial infarction (MI) or severe injury to the vessel resulting in high failure rates. To minimize t...
1 ABSTRACT The study of hemodynamics in an animal model associated with coronary stenosis has been limited due to the lack of a safe, accurate, and reliable technique for creating an artificial stenosis. Creating artificial stenosis using occluders in an open-chest procedure has often caused myocardial infarction (MI) or severe injury to the vessel resulting in high failure rates. To minimize t...
background: autoregulation of blood flow is a marvelous phenomenon balanc- ing blood supply and tissue demand. although many chemically-based explanations for this phenomenon have been proposed and some of them are commonly used today, biomechanical aspects of this phenomenon was neglected. the biomechanical aspect provides insights to us to model vessel diameter changes more precisely and comp...
Aim: To explore the value and prospects of the combined vessel resection with reconstruction techniques in space-occupying lesion surgical treatment. Method: We collected and analyzed clinical data of patients received combined with vessel resection and reconstruction techniques surgery in department of hepatobiliary surgery in our hospital from May 2007 to November 2012, and concluded experien...
The prediction of vessel maritime navigation has become an exciting topic in the last years, especially considering economics, commercial exchange, and security. In addition, monitoring requires better systems techniques that help enterprises governments to protect their interests. Specifically, movements is essential for safety tracking. However, applications have a high cost related computati...
Trimaran hull forms have been popular recently in both commercial and military usage due to reduction resistance at high speeds, better stability, greater deck area compared conventional monohull vessels. Determination of the location side hulls is most critical get higher hydrodynamic performance. Therefore, many studies literature are related defining for trimaran Most carried out experimenta...
This paper presents an implementation of Artificial Neural Networks (ANN) for acoustic fingerprints recognition, applied to the identification of marine vessels. In many cases, the vessel recognition process from an audible signal is performed by human operators, which could lead to failures in the identification process. Before entering the ANN classification process, the signal is filtered an...
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