نتایج جستجو برای: end filling
تعداد نتایج: 434457 فیلتر نتایج به سال:
BACKGROUND Esophageal pressure, used as a surrogate for pleural pressure, is commonly measured by air-filled balloon, and the accuracy of measurement depends on the proper balloon volume. It has been found that larger filling volume is required at higher surrounding pressure. In the present study, we determined the balloon pressure-volume relationship in a bench model simulating the pleural cav...
Figure 1. Illustration of profile filling order in k-space for whole-heart 3D coronary MRA. (a) For the concentric elliptical filling order, dark blue profiles in the center are acquired first during one heart-beat while dark red profiles are acquired at the end of the same heartbeat. An angular increment is performed for subsequent heartbeats. (b) Using the conventional profile filling order i...
The objective of the present study was to evaluate the efficiency of dental amalgam as retrograde filling material compared to gutta-percha. A prospective and comparative observational study was carried out on 30 patients at Khyber College of Dentistry, Peshawar from October 2004 to October 2009 with or without retrograde amalgam filling and the success was determined at the end of the year bot...
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