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The synthesis of aluminum nitride (AlN) powders from aluminum (Al) particles via a thermal nitridation process was carried out at high temperature (>900 °C) with a long reaction time (∼several hours). This study proposes a two-stage plasma-chemical synthesis process to efficiently minimize the agglomeration of Al particles, reduce the reaction time and temperature, and promote the formation of AlN powders. In the first stage, partially nitrided Al powders were produced at temperatures lower than 600 °C in atmospheric-pressure microwave N2 plasma. The particle size of the as-prepared powders was similar to that of the original Al powders. In the second stage, the reaction temperature was increased to 700–800 °C and the reaction time was less than 5 min in N2 plasma. Well-dispersed AlN powders with almost no agglomeration were produced. Moreover, the particle size was lower than that of the original Al.
The objectives of this study were (1) to evaluate the measurement structure of the Perceived Empathic and Social Self-Efficacy Scale amongst 194 individuals with serious mental illness (SMI) and (2) to establish construct validity for the Perceived Empathic and Social Self-Efficacy Scale. Confirmatory factor analysis yielded a two-factor measurement structure of the Perceived Empathic and Social Self-Efficacy Scale, which was positively associated with insight, social support, and life satisfaction. The Perceived Empathic and Social Self-Efficacy Scale is a useful measure to assess social skills amongst individuals with SMI in rehabilitation counselling.
This study investigated how cross-functional teams can influence their business model innovation and firm performance through team learning, consisting of multiple modes of within-team, cross-team, and market learning. Using a matched dyadic data set from a study of 330 cross-functional team members and their supervisors sampled from 165 electronics and information industries in China, the empirical results clearly indicate that within-team, cross-team, and market learning can improve business model innovation and firm performance. The results of the mediating model show how the business model innovation mediates the relationship between team learning and firm performance.
This study investigated the effect of n-3 fatty acids on adhesion molecules and tissue myeloperoxidase (MPO) activity in diabetic mice with sepsis. Diabetes was induced by a streptozotocin injection. Mice with blood glucose levels exceeding 2000 mg/l were considered diabetic. Diabetic mice were assigned to two groups with a medium-fat (10 %, w/w) diet either provided by soyabean oil (SO, n 30) or fish oil (FO, n 30). n-3 fatty acids provided 4·3 % of the total energy and the n-3/n-6 fatty acid ratio was 1:2 in the FO diet. After feeding the respective diet for 3 weeks, all mice had sepsis induced by caecal ligation and puncture (CLP) and were killed at 0, 6 or 24 h after CLP, with ten mice at each time-point. The result showed that compared with the SO group, FO group had lower PGE2 and TNF-α levels in peritoneal lavage fluid after CLP. Lymphocyte CD11a/CD18 expressions were higher at 6 h, whereas the percentage was lower at 24 h in the SO group than in the FO group. Neutrophil CD11b/CD18 expressions were significantly higher in the SO group than in the FO group at 0 h. The FO group had lower organ MPO activities at various time-points after CLP when compared with those of the SO group. The present findings suggest that compared with the diabetic mice fed SO, a low-dose n-3 fatty acid supplementation may attenuate leucocyte adhesion and infiltration into tissues in diabetic mice complicated with sepsis.
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