نتایج جستجو برای: reverse flow
تعداد نتایج: 585102 فیلتر نتایج به سال:
with development of technology and science and continuous increase in productivity, product life cycles are shortened and customer demands are more personalized and diversified, which makes companies face with ever changing and unpredictable competitive environment. therefore, rapid response to market competition has become one of the main focuses and the competitive advantages. today, one of t...
Diagnostic testing in patients with congenital heart disease is usually performed supine and at rest, conditions not representative of their typical hemodynamics. Upright exercise measurements of blood flow may prove valuable in the assessment of these patients, but data in normal subjects are first required. With the use of a 0.5-T open magnet, a magnetic resonance-compatible exercise cycle, a...
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