[Objectives]To explore the mediating effect of social support between depression and resilience in elderly patients with first-episode stroke.[Methods]The general information questionnaire,PHQ-9 depression screening s...[Objectives]To explore the mediating effect of social support between depression and resilience in elderly patients with first-episode stroke.[Methods]The general information questionnaire,PHQ-9 depression screening scale,Social Support Rating scale and Connor-Davidson Resilience Scale were used to construct and test the mediation model.[Results]The total score of depressive symptoms was(8.64±3.28)points,the detection rate of depressive symptoms was 51.65%,the score of social support was(37.28±5.98)points,and the score of psychological resilience was(22.05±5.25)points.The resilience of patients was positively correlated with social support(r=0.470,P<0.01),and negatively correlated with depressive symptoms(r=-0.470,P<0.01).Social support was negatively correlated with depressive symptoms(r=-0.523,P<0.01).Social support played a partial mediating role between depression and resilience in elderly patients with first-episode stroke,and the mediating effect accounted for 16.1%of the total effect.[Conclusions]Social support can mediate the effect of depression on resilience in elderly patients with first-episode stroke.Medical staff can improve patients'psychological resilience by psychological counseling of depression and improving their social support,so as to promote their subjective well-being and maintain a healthy and positive mental state.展开更多
The Solar Close Observations and Proximity Experiments(SCOPE)mission will send a spacecraft into the solar atmosphere at a low altitude of just 5 R☉from the solar center.It aims to elucidate the mechanisms behind sol...The Solar Close Observations and Proximity Experiments(SCOPE)mission will send a spacecraft into the solar atmosphere at a low altitude of just 5 R☉from the solar center.It aims to elucidate the mechanisms behind solar eruptions and coronal heating,and to directly measure the coronal magnetic field.The mission will perform in situ measurements of the current sheet between coronal mass ejections and their associated solar flares,and energetic particles produced by either reconnection or fast-mode shocks driven by coronal mass ejections.This will help to resolve the nature of reconnections in current sheets,and energetic particle acceleration regions.To investigate coronal heating,the mission will observe nano-flares on scales smaller than 70 km in the solar corona and regions smaller than 40 km in the photosphere,where magnetohydrodynamic waves originate.To study solar wind acceleration mechanisms,the mission will also track the process of ion charge-state freezing in the solar wind.A key achievement will be the observation of the coronal magnetic field at unprecedented proximity to the solar photosphere.The polar regions will also be observed at close range,and the inner edge of the solar system dust disk may be identified for the first time.This work presents the detailed background,science,and mission concept of SCOPE and discusses how we aim to address the questions mentioned above.展开更多
为建立一套全面科学的输变电工程评价体系,提出一种基于改进TOPSIS⁃RSR法的综合效益评价方法。首先运用德尔菲法筛选出包括经济效益、减碳效益、社会效益在内的输变电工程综合效益评价指标,其次结合模糊层次分析法与熵权法进行主客观方...为建立一套全面科学的输变电工程评价体系,提出一种基于改进TOPSIS⁃RSR法的综合效益评价方法。首先运用德尔菲法筛选出包括经济效益、减碳效益、社会效益在内的输变电工程综合效益评价指标,其次结合模糊层次分析法与熵权法进行主客观方法组合赋权,最后采用最小信息原理得到最终权重。在评价模型构建的过程中,将秩和比法(rank⁃sum ratio,RSR)引入逼近理想解排序(technique for order preference by similarity to an ideal solution,TOPSIS),并将TOPSIS中的欧式距离改为标准化欧式距离,有效规避了量纲不同造成的评价上的差异。利用改进前后的TOPSIS⁃RSR法对四个地区的220 kV输变电工程项目进行评价排序,通过对比两模型检验值的大小,验证了改进后模型的先进性。展开更多
基金Supported by the National Natural Science Foundation of China(71774049).
文摘[Objectives]To explore the mediating effect of social support between depression and resilience in elderly patients with first-episode stroke.[Methods]The general information questionnaire,PHQ-9 depression screening scale,Social Support Rating scale and Connor-Davidson Resilience Scale were used to construct and test the mediation model.[Results]The total score of depressive symptoms was(8.64±3.28)points,the detection rate of depressive symptoms was 51.65%,the score of social support was(37.28±5.98)points,and the score of psychological resilience was(22.05±5.25)points.The resilience of patients was positively correlated with social support(r=0.470,P<0.01),and negatively correlated with depressive symptoms(r=-0.470,P<0.01).Social support was negatively correlated with depressive symptoms(r=-0.523,P<0.01).Social support played a partial mediating role between depression and resilience in elderly patients with first-episode stroke,and the mediating effect accounted for 16.1%of the total effect.[Conclusions]Social support can mediate the effect of depression on resilience in elderly patients with first-episode stroke.Medical staff can improve patients'psychological resilience by psychological counseling of depression and improving their social support,so as to promote their subjective well-being and maintain a healthy and positive mental state.
基金supported by the National Key R&D Program of China (2022YFF0503800)National Natural Science Foundation of China grants (12073073, 11933009, 12273107 and U2031141)+6 种基金grants associated with the Yunnan Revitalization Talent Support Programthe Foundation of the Chinese Academy of Sciences (Light of West China Program)the Yunling Scholar Project of Yunnan Provincethe Yunnan Province Scientist Workshop of Solar Physicsthe Applied Basic Research of Yunnan Province grants (202101AT070018 and 2019FB005)supported by the National Natural Science Foundation of China grants (12273107 and U2031141)the Yunnan Key Laboratory of Solar Physics and Space Science (202205AG070009)
文摘The Solar Close Observations and Proximity Experiments(SCOPE)mission will send a spacecraft into the solar atmosphere at a low altitude of just 5 R☉from the solar center.It aims to elucidate the mechanisms behind solar eruptions and coronal heating,and to directly measure the coronal magnetic field.The mission will perform in situ measurements of the current sheet between coronal mass ejections and their associated solar flares,and energetic particles produced by either reconnection or fast-mode shocks driven by coronal mass ejections.This will help to resolve the nature of reconnections in current sheets,and energetic particle acceleration regions.To investigate coronal heating,the mission will observe nano-flares on scales smaller than 70 km in the solar corona and regions smaller than 40 km in the photosphere,where magnetohydrodynamic waves originate.To study solar wind acceleration mechanisms,the mission will also track the process of ion charge-state freezing in the solar wind.A key achievement will be the observation of the coronal magnetic field at unprecedented proximity to the solar photosphere.The polar regions will also be observed at close range,and the inner edge of the solar system dust disk may be identified for the first time.This work presents the detailed background,science,and mission concept of SCOPE and discusses how we aim to address the questions mentioned above.
文摘为建立一套全面科学的输变电工程评价体系,提出一种基于改进TOPSIS⁃RSR法的综合效益评价方法。首先运用德尔菲法筛选出包括经济效益、减碳效益、社会效益在内的输变电工程综合效益评价指标,其次结合模糊层次分析法与熵权法进行主客观方法组合赋权,最后采用最小信息原理得到最终权重。在评价模型构建的过程中,将秩和比法(rank⁃sum ratio,RSR)引入逼近理想解排序(technique for order preference by similarity to an ideal solution,TOPSIS),并将TOPSIS中的欧式距离改为标准化欧式距离,有效规避了量纲不同造成的评价上的差异。利用改进前后的TOPSIS⁃RSR法对四个地区的220 kV输变电工程项目进行评价排序,通过对比两模型检验值的大小,验证了改进后模型的先进性。
