نتایج جستجو برای: biomechanical behavior of artery
تعداد نتایج: 21229760 فیلتر نتایج به سال:
the purpose of this study was to investigate the relationship between teachers’ class management practices with students’ self- regulated learning and academic self-efficacy. in this study relating to the management class, three dimensions, (training management, people management and behavior management) and three style (interventionist, interactionist and non-interventionist) was considered. r...
BACKGROUND Cardiovagal autonomic control declines with age in adult subjects, which is related in part to increasing stiffness of the barosensory vessel wall. It is not known, however, whether autonomic function changes with age in children. METHODS AND RESULTS We studied 137 healthy subjects divided into 4 age groups: group 1, 7 to 14 years; group 2, 11 to 14 years; group 3, 15 to 18 years; ...
Stenting intervention is emerging as an alternative for treating the stenosis of cardiac and cerebral arteries. However, postoperative In-Stent-Restenosis (ISR) remains a challenge for medical sciences and biomechanical engineering. ISR is related not only to the stress induced by the mechanical support of stent struts on arterial wall, but also to the intimal hyperplasia induced by the hemodyn...
Many of the venous functions are biomechanical in their nature and/or related closely to biomechanical (hemodynamic) forces: 1 Blood conduits, collectors with flow-rectifying valves 2. Maintenance of filling pressure for the right heart by controlling venous return in the face of widely varying cardiac output arterial pressure buffer 3. Capacity function, redistribution of blood volume 4. Postc...
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1004 R I. AN INTRODUCTORY WORD, MAINLY CONCERNING SCOPE . . . 1004 R II. FDA REGULATION’S ORIGINS AND DEVELOPMENT. . . . . . . . . . 1007 R III. ANALYSIS OF REGULATORY COMPLIANCE’S RELEVANCE. . . . . . 1010 R A. The Relevance Traditionally Accorded Regulatory Compliance . . . . . . . ....
The present study assessed (1) the impact of the measurement site (lower versus upper extremity) on the corresponding compliance variables and (2) the overall reliability of diastolic pulse contour (Windkessel-derived) analysis in normal and hypertensive subjects. Arterial tonograms were recorded in the supine position from the radial and posterior tibial arteries in 20 normotensive (116+/-12/6...
we have two part in this thesis, at first: the interaction of native calf thymus dna (ct-dna) with two anthraquinones including quinizarin (1,4- dihydroxy anthraquinone) and danthron (1,8- dihydroxy anthraquinone) in a mixture of 0.04 m brittone-robinson buffer and 50% of ethanol were studied at physiological ph by uv-vis absorption, florescence, circular dichroism spectroscopic methods, viscos...
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