نتایج جستجو برای: tilt mechanism
تعداد نتایج: 577488 فیلتر نتایج به سال:
PURPOSE An association between baroreflex sensitivity (BRS) and the response to tilt training has not been reported in patients with neurally mediated syncope (NMS). This study sought to investigate the role of BRS in predicting the response to tilt training in patients with NMS. MATERIALS AND METHODS We analyzed 57 patients who underwent tilt training at our hospital. A responder to tilt tra...
Measurement of tilt is having a very much importance in the applications such as railway track monitoring, mining, aviation, tunneling, bridge and dam monitoring system, etc. The tilt is measured in terms of degrees and is made with respect to the original tilt of the surface on which the meter is kept. This paper proposes an embedded tilt measurement system, which uses a level sensor, A/D conv...
three medium magnitude events happened inside the transitional border of south alborz and central iran; namely kahak-qom 2007/06/18 event with ml 5.6, zanjan 2008/05/27 event with ml 5.3 and aradan-garmsar 2007/11/19 event with ml 5.1. this provides us the opportunity to compute focal mechanism and stress drop of the events and compare them with those events happened within the alborz range.
some researches made in the field of agency problem issue, deal with the role of control systems regarding owners and managers. in this research the relationship between the two control mechanisms, namely the voluntary disclosure (external control mechanism) and outside directors (internal control mechanism), which are reductive of agency problems, has been studied. for this reason, a sample ...
AIMS This study examined the occurrence, magnitude, and the consequences of a possible tilt between the corneal surface and optical axis of the EyeSys videokeratoscope. METHODS Initially, a theoretical model was developed to calculate the angle of tilt. The predictions of the model were verified empirically using a convex conicoid surface and were found to predict the tilt to within 0.5 degre...
Reduced Systolic Volume: Main Pathophysiological Mechanism in Patients with Orthostatic Intolerance?
BACKGROUND Orthostatic intolerance patients' pathophysiological mechanism is still obscure, contributing to the difficulty in their clinical management. OBJECTIVE To investigate hemodynamic changes during tilt test in individuals with orthostatic intolerance symptoms, including syncope or near syncope. METHODS Sixty-one patients who underwent tilt test at - 70° in the phase without vasodila...
This paper has proposed a user-density-based coverage optimization technique for ultra-dense cellular networks. Antenna tilting is promising to be used in 5G networks, that significantly improve the signal interference plus noise ratio (SINR) by choosing appropriate angle of tilt. In this paper, been optimized scattered user densities/user hotspots using an adaptive antenna mechanism steers bea...
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