نتایج جستجو برای: compound pressure vessel
تعداد نتایج: 603960 فیلتر نتایج به سال:
Microcirculatory vessel response to changes in pressure, known as the myogenic response, is a key component of a tissue's ability to regulate blood flow. Experimental studies have not clearly elucidated the mechanical signal in the vessel wall governing steady-state reduction in vessel diameter upon an increase in intraluminal pressure. In this study, a multiscale computational model is constru...
PURPOSE To establish an alternative method, sequential and diameter response analysis (SDRA), to determine dynamic retinal vessel responses and their time course in serial stimulation compared with the established method of averaged diameter responses and standard static assessment. METHODS SDRA focuses on individual time and diameter responses, taking into account the fluctuation in baseline...
BACKGROUND The presence of a concomitant chronic total coronary occlusion (CTO) and a large collateral contribution might alter the fractional flow reserve (FFR) of an interrogated vessel, rendering the FFR unreliable at predicting ischemia should the CTO vessel be revascularized and potentially affecting the decision on optimal revascularization strategy. We tested the hypothesis that donor ve...
The paper presents a design and operation analysis of an Integrated Collector Storage (ICS) solar water heater, which consists asymmetric Compound Parabolic Concentrating (CPC) reflector trough, while the tank comprises two concentric cylinders. annulus between these vessels is partially depressurized contains small amount in bottom outer vessel dominantly contributes to heat transfer from inne...
A Wireless Pressure Sensor Integrated with a Biodegradable Polymer Stent for Biomedical Applications
This paper describes the fabrication and characterization of a wireless pressure sensor for smart stent applications. The micromachined pressure sensor has an area of 3.13 × 3.16 mm² and is fabricated with a photosensitive SU-8 polymer. The wireless pressure sensor comprises a resonant circuit and can be used without the use of an internal power source. The capacitance variations caused by chan...
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