To study the relationship between Self-worth, Coping and Mental Health of high school students. 699 students were investigated by the Young People Self-esteem Scale (which is designed by Prof. Huang Xiting), the Young...To study the relationship between Self-worth, Coping and Mental Health of high school students. 699 students were investigated by the Young People Self-esteem Scale (which is designed by Prof. Huang Xiting), the Young People Coping Style Scale (which is designed by Prof. Huang Xiting), and the Symptom Check List 90 (SCL-90 ,which is designed by Derogatis,L.R.). the result shows: (1) There are significant positive correlation between all aspect of Self-worth and Problem-Solving or Seeking-Supporting; (2) There are most Significant negative correlation between all aspect of Self-worth and all aspect of SCL-90; (3) Students with high Self-worth tend to choose Problem-Solving and Seeking Supporting, and students with low Self-esteem tend to choose Abreaction, Fantasy, Forbear. (4) Students with high Self-worth get higher scale of SCL-90.展开更多
电力电缆局部放电的有效检测和精确定位对于保障城市配电网系统的安全可靠供电具有重要意义。首先,通过在实验室搭建10 k V振荡波检测系统对一条497 m长缺陷电缆进行局部放电检测试验,并分析了局部放电信号在电缆中的传播特性;其次,通...电力电缆局部放电的有效检测和精确定位对于保障城市配电网系统的安全可靠供电具有重要意义。首先,通过在实验室搭建10 k V振荡波检测系统对一条497 m长缺陷电缆进行局部放电检测试验,并分析了局部放电信号在电缆中的传播特性;其次,通过比较不同时域定位方法的定位精度,提出采用小波变换模极大值法与自相关方法的联合定位方法以减小定位误差。此外,为了降低波速不定性对局部放电定位精度的影响,对试品电缆的波速特性进行了测量,并提出利用局部放电信号小波变换各尺度中心频率对应的波速进行定位计算,由于各尺度下频率分量较为集中,降低了由于波速不定性带来的定位误差。试验结果表明,振荡波电压能够有效激发局部放电的产生,所提定位方法具有较高的定位精度,满足工程需要。展开更多
文摘To study the relationship between Self-worth, Coping and Mental Health of high school students. 699 students were investigated by the Young People Self-esteem Scale (which is designed by Prof. Huang Xiting), the Young People Coping Style Scale (which is designed by Prof. Huang Xiting), and the Symptom Check List 90 (SCL-90 ,which is designed by Derogatis,L.R.). the result shows: (1) There are significant positive correlation between all aspect of Self-worth and Problem-Solving or Seeking-Supporting; (2) There are most Significant negative correlation between all aspect of Self-worth and all aspect of SCL-90; (3) Students with high Self-worth tend to choose Problem-Solving and Seeking Supporting, and students with low Self-esteem tend to choose Abreaction, Fantasy, Forbear. (4) Students with high Self-worth get higher scale of SCL-90.
文摘电力电缆局部放电的有效检测和精确定位对于保障城市配电网系统的安全可靠供电具有重要意义。首先,通过在实验室搭建10 k V振荡波检测系统对一条497 m长缺陷电缆进行局部放电检测试验,并分析了局部放电信号在电缆中的传播特性;其次,通过比较不同时域定位方法的定位精度,提出采用小波变换模极大值法与自相关方法的联合定位方法以减小定位误差。此外,为了降低波速不定性对局部放电定位精度的影响,对试品电缆的波速特性进行了测量,并提出利用局部放电信号小波变换各尺度中心频率对应的波速进行定位计算,由于各尺度下频率分量较为集中,降低了由于波速不定性带来的定位误差。试验结果表明,振荡波电压能够有效激发局部放电的产生,所提定位方法具有较高的定位精度,满足工程需要。
