نتایج جستجو برای: pressure profile
تعداد نتایج: 617931 فیلتر نتایج به سال:
The photoacoustic effect was employed to generate short-duration quasi-unipolar acoustic pressure pulses in both planar and spherically focused geometries. In the focal region, the temporal profile of a pressure pulse can be approximated by the first derivative of the temporal profile near the front transducer surface, with a time averaged value equal to zero. This approximation agreed with exp...
Continuous positive airway pressure (CPAP) reduces blood pressure levels in hypertensive patients with obstructive sleep apnoea (OSA). However, the role of CPAP in blood pressure and the metabolic profile in women has not yet been assessed. In this study we investigated the effect of CPAP on blood pressure levels and the glucose and lipid profile in women with moderate-to-severe OSA.A multicent...
introduction: the aim was to assess the effects on lifestyle and lipid profile while fasting during holy month of ramadan. material and methods: an interventional cohort study designed with 160 subjects who were fasting during ramadan recruited from different mosques in kermanshah. data were collected in three stages at the beginning and at the end of ramadan as well as one month following rama...
Micro-filters are fabricated using MEMS technology, and both measurements and numerical calculations are carried out in order to estimate the power requirement in a micron-size particle collection process using the microfilter. In order to numerically predict the pressure drop through the micro-filter, we focus on the characterization of the geometrical factors, such as internal profile of the ...
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