Sodium intercalation and adsorption on graphitic carbon plays an important role in cathode wear during aluminium electrolysis and is relevant for sodium ion battery (NIB) applications. We present a parameter set for the ReaxFF formalism trained to describe sodium interactions with graphitic carbon. The force field developed reproduce the training data with reasonable accuracy and displays qualitatively adequate predictive power. The force field is applied in hybrid grand canonical Monte Carlo-molecular dynamics (GC-MC/MD) simulations of model systems representative of sodium intrusion in graphitic carbon cathodes used in aluminium electrolysis.
Objective: Describe the use of e-cigarettes and factors associated with e-cigarette use among university students from one university in Vietnam in 2021. Methods: This cross-sectional study was conducted with a total of 554 full-time undergraduate students recruiting for the study. Data was collected using a structured self-administered questionnaire. A logistic regression analysis was performed to identify factors with significant association with students' use of e-cigarettes.
Results:The study revealed that 13.2% of students were current users. Students who had e-cigarette smokers in the family (aOR=6.1, 95% CI: 2.5-15.4; p<0.001), used traditional cigarettes (aOR=23.6, 95% CI: 10.5-53.4; p<0.001), consumed alcohol (aOR=5, 95%CI: 1.6 -15.9; p<0.01), were exposed to e-cigarette advertising (aOR=2.6; 95%CI: 1.1-5.9; p<0.01), and had inadequate knowledge about e-cigarettes (aOR=2.2; 95%CI: 1-4.7; p<0.01) were more likely to use e-cigarettes. Conclusion: This study updates the status of e-cigarette use among students in one university in Vietnam, thereby suggesting strategies to reduce the use of e-cigarettes among university students.
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