نتایج جستجو برای: co volume
تعداد نتایج: 638001 فیلتر نتایج به سال:
Borland, Colin, Bryan Mist, Mariella Zammit, and Alain Vuylsteke. Steady-state measurement of NO and CO lung diffusing capacity on moderate exercise in men. J Appl Physiol 90: 538–544, 2001.—Using a rapidly responding nitric oxide (NO) analyzer, we measured the steady-state NO diffusing capacity (DLNO) from end-tidal NO. The diffusing capacity of the alveolar capillary membrane and pulmonary ca...
Background and Objectives: In this study, contribution of exhaust emission and CO distribution was estimated in enclosed residential complex parking. Materials and Methods: This was a descriptive - analytical study consisted of two stages. In the first stage, the emission contribution of vehicles was determined. In order to determine the contribution of exhaust gas emissions, through gas spe...
In this study, the effects of hydrogen and hydroxygen additions and oxygen enrichment on the emission characteristics of a gasoline engine (EF7) were investigated and compared with each other. The simulation was launched by GT-Power at different engine speeds with 5 % to 15 % volume fractions for both of oxygen and hydrogen enrichment and 4.5 % to 9 % volume fractions of hydroxygen addition in ...
Background: Use of contrast agents (CAs) during CT simulation for treatment planing system leads to changes in electron density. In this study we aimed to investigate the effect on calculated dose of various concentrations of CAs on treatment planing systems in different dose calculation algorithms. Materials and Methods: Contrast agent (0.769 mg/ml Iopromid) - water mixtures at con...
INTRODUCTION This is the first published report of a young girl with co-inherited sickle cell-β+ thalassemia and cystic fibrosis. Although a small subset of patients with co-inherited cystic fibrosis and other hemoglobinopathies have been reported, this patient developed early hematologic and pulmonary complications that were more severe than the previous cases. To assess pulmonary co-morbiditi...
It has long been assumed that the ventilation heterogeneity associated with lung disease could, in itself, affect the measurement of carbon monoxide transfer factor. The aim of this study was to investigate the potential estimation errors of carbon monoxide diffusing capacity (Dl(CO)) measurement that are specifically due to conductive ventilation heterogeneity, i.e., due to a combination of ve...
INTRODUCTION The accurate assessment of intravascular volume status for the therapy of severe hypovolemia and shock is difficult and critical to critically ill patients. Non-invasive evaluation of fluid responsiveness by the rapid infusion of a very limited amount of volume is an important clinical goal. This study aimed to test whether echocardiographic parameters could predict fluid responsiv...
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