Ventilation distribution calculation using 4D CT has shown promising potential in several clinical applications. This study evaluated the direct geometric ventilation calculation method, namely the ΔV method, with xenon-enhanced CT (XeCT) ventilation data from four sheep, and compared it with two other published meth-ods, the Jacobian and the Hounsfield unit (HU) methods. Spearman correlation c...

background: occupational stress is one of the most important occupational hazards in modern life which could lead to decrease in productivity, work absence, workforce transfer and high costs for the personnel. american national association for occupational safety has placed nursing at the top of the list of the first forty high-stress jobs. there are various factors known as stressors in nursin...

the purpose of this study is evaluation of the adherence amount to ethical research principles in physical education graduate students at the universities of tehran. the study populations were 1100 graduate students in physical education who 500 of them were selected as samples. reliability coefficient of the questionnaire using cronbach's alpha coefficient and have been reported (0/86). k...

background and objectives: life satisfaction is one of the most important indicators for evaluation of mental health status in general population including university students. in this field, the appropriate tool is necessary. so, this study was carried out in order to assess the reliability and validity of the swls in the students of kashan nursing & midwifery faculty (knmf), kashan, iran, in ...

By proposing a predictive method with no adjustable parameter and by using infinite dilution activity coefficients of components in binary mixtures obtained from UNIFAC model, the binary interaction parameters (k12) in van der Waals mixing rule (vdWMR) and Orbey-Sandler mixing rule (OSMR) have been evaluated. The predicted binary interaction parameters are used in Peng-Robinson-S...

This study was conducted to know the relationship between level of students' misconceptions and understanding. uses a quantitative descriptive method with correlative research model. in MA. Miftahul Ulum Bettet Pamekasan February 2022. The population this were all class X students samples Mathematics Natural Sciences A, B, C taken using purposive sampling method. Data on student obtained four-t...

We describe a new semantic relatedness measure combining the Wikipedia-based Explicit Semantic Analysis measure, the WordNet path measure and the mixed collocation index. Our measure achieves the currently highest results on the WS-353 test: a Spearman ρ coefficient of 0.79 (vs. 0.75 in (Gabrilovich and Markovitch, 2007)) when applying the measure directly, and a value of 0.87 (vs. 0.78 in (Agi...

The opening of schools in the late summer of 2009 may have triggered the fall wave of pandemic influenza A(H1N1) in the United States. We found that an elevated percentage of outpatient visits for influenza-like illness occurred an average of 14 days after schools opened in the fall of 2009. The timing of these events was highly correlated (Spearman correlation coefficient, 0.62; P<.001). This ...

Online learning to be done only through homework remote assignments without feedback or interaction with students. In this way, if continuously it can increase stress on If cannot controlled, affect emotional eating. To determine the correlation between in online and eating among students at Ngudi Waluyo University. This type of research is descriptive correlational. The population all Health F...