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This article mainly analyzes and discusses the The current situation of nanchang preschool teachers stress coping styles and how to improve them.It provides theoretical basis and guidance for optimizing preschool teachers' psychological quality and improving their mental health. Therefore, by using the questionnaire of "Preschool Teachers' stress coping style in Nanchang City", 134 teachers in six kindergartens of different levels in Nanchang were sent out, and the SPSS Statistics 17 statistical software was used to carry out t-tests and variance analysis. The results show that work is the most important source of stress for preschool teachers, and there are significant differences in the coping style of preschool teachers in employer, sex, age, teaching age, marriage and educational level. The following optimization strategies are given: (1) preschool teachers learn to self psychological adjustment; (2) strengthening Psychological Health Education courses in Teachers College; (3) paying attention to the development of young kindergarten teachers; (4) Increasing social support.

Professional commitment is the positive attitude and behavior of college students to identify their own majors, and pay the corresponding efforts happily. The purpose of this study was to investigate the status of professional commitment and learning efficacy of preschool education undergraduates, and the relationship between them. Method: Taking the method of cluster sampling, 210 undergraduates were selected, the analysis of variance, correlation analysis and regression analysis were used to analyze the survey data. Results show that the overall level of students' professional commitment was not very high, and that the overall learning efficacy of students was in the middle, the result also suggested that professional commitment and learning efficacy were significantly positively correlated, emotional commitment and ideal commitment were predictive variables of learning self-efficacy.

The Ag3PO4/Bi2WO6 hierarchical heterostructures were prepared by a combination of hydrothermal technique and in situ precipitation method for the first time. The Ag3PO4/Bi2WO6 hierarchical heterostructures displayed enhanced visible-light photocatalytic activity against phenol. The enhanced photocatalytic activity could be attributed to the effective separation of photogenerated carriers driven by the photoinduced potential difference generated at the Ag3PO4/Bi2WO6 heterojunction interface. Repetitive tests showed that the Ag3PO4/Bi2WO6 hierarchical heterostructures maintained high catalytic activity over several cycles, and it had a better regeneration capability under mild conditions.

Computer statistical software is very effective data processing software. The purpose of this study was to use the function of the computer statistical software to compile the questionnaire of kindergarten teachers' organizational identification, and to investigate the status of the organizational identification. Method: 326 kindergarten teachers were investigated with the pool of 25 items; the data were tested with item analysis, factor analysis, and correlation analysis. Conclusion: the norm organizational commitment scale had a good reliability and validity with 21 items. It included a five-factor model, namely, emotional commitment, professional commitment, economy commitment, ideal commitment and interpersonal commitment; kindergarten teachers' organizational commitment was in the middle level, and there were significant differences in the educational background and nature of kindergarten, and there were also significant differences in the income, and promotion chance.