The thermal decomposition behavior of fire retardant viscose fiber and viscose fiber were studied by thermogravimetric analysis (TGA) under air atmosphere at heating rates of 10, 20, 30 and 40 o C/min. The activation energy and pre-exponential factor were calculated by using the Kissinger method, Flynn-Wall-Ozawa (FWO) method and Satava-Sestak method. The results show that the activation energy for the fire retardant viscose fiber calculated by Kissinger and FWO method was 102.51kJ/mol and 103.73kJ/mol, respectively. The activation energy for viscose fiber calculated by Kissinger and FWO method was 103.58 kJ/mol and 104.83kJ/mol, respectively. The kinetic mechanism function of fire retardant viscose fiber was G(α) = [(1+α) 1/3-1] 2 following a kinetic model of three-dimensional diffusion and the kinetic mechanism function of viscose fiber was G(α) = α 3/2 following the power function rule.
Construal level theory holds that the spatial and temporal difference affect the individual's representation of events, leading to different levels of emotional intensity. And according to the Psychological Typhoon Eye Theory, people in the center of events will be calmer while with the increase of spatial distance, the emotional intensity of individuals becomes stronger. The study used data from Weibo and adopted the research method of big data. We selected two fatal accidents of female passengers on DiDi ride‐hailing service as research objects to analyze effects of psychological distance on negative emotions. Psychological distance was divided into two dimensions: temporal distance and spatial distance. Results showed that the further away from the unethical event, the longer after the event, the higher intensity of negative emotions generated by individuals.
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