目的:探讨积极老化的影响因素及其与主观幸福感关系。方法采用积极老化量表和中国城市居民主观幸福感量表对165位社区老年人进行调查。结果社区老人积极老化程度在家庭、经济、参与和健康四个维度上并不均衡,且主观幸福感与积极老化中的经济、健康和家庭三个子维度显著正相关(P<0.01,P<0.001),而与参与维度相关不显著(P>0.05 ...
周里路, 喻婧, 王鹏云, 戴向唯
core
复合绝缘子芯棒材料在盐雾中微电流作用和湿热环境下的劣化特性研究
复合绝缘子芯棒酥朽断裂事故频发,其原因大多与芯棒劣化有关,而芯棒承担着整个绝缘子的机械载荷,因此有必要研究芯棒劣化特性及机理。建立了盐雾环境下耐压试验平台以模拟湿气入侵环境,在不同电导率盐雾和不同电压下开展了芯棒耐压试验,并对比了一定时间内盐雾微电流蚀损老化和湿热水煮老化两种老化形式对芯棒材料玻璃纤维力学性能的影响。通过对玻璃纤维全新样品及老化样品采用现代材料分析手段检测发现,微电流作用下水分子对玻璃纤维的物理冲击引发水解反应是造成玻璃纤维力学性能下降的重要原因 ...
孟祥龙 +8 more
doaj
[A compulsory course in clinical treatment of burn patients: pain and analgesia]. [PDF]
Nie FF.
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[Association between periconception maternal cold and heat exposure and the risk of congenital heart disease in offspring in China]. [PDF]
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Chinese Society of Hematology +3 more
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