Prof. Zhang Jingzhong, a well-known Chinese mathematician, is now serving as the honorary director of the Chengdu Institute of Computer Application under the CAS and as an instructor for doctorate students.His outstan...Prof. Zhang Jingzhong, a well-known Chinese mathematician, is now serving as the honorary director of the Chengdu Institute of Computer Application under the CAS and as an instructor for doctorate students.His outstanding attainments in the field of mathematics and computer science include his pioneering work of enriching theories and methods in mechanized demonstration,the concept of "educational mathematics" and his meritorious service as a prolific popular science writer. On December I.1936, Prof.Zhang was born in a teacher’s family in Runan County,Henan Province.After successfully passing an entrance examination in 1954,展开更多
目的:探究长期护理保险(以下简称“长护险”)制度实施对中老年人健康相关生命质量的影响,为推动我国全面实施长护险制度提供实证支持。方法:采用中国健康与养老追踪调查(China Health and Retirement Longitudinal Study, CHARLS)多期数...目的:探究长期护理保险(以下简称“长护险”)制度实施对中老年人健康相关生命质量的影响,为推动我国全面实施长护险制度提供实证支持。方法:采用中国健康与养老追踪调查(China Health and Retirement Longitudinal Study, CHARLS)多期数据,借助Grossman健康需求理论与风险感知理论,运用多时点双重差分模型,检验长护险对中老年人健康相关生命质量的影响及作用机制。结果:长护险对中老年人健康相关生命质量有显著改善效应。异质性分析发现,该效应在男性、已婚、少子、参加体育锻炼的人群中表现更为显著。机制分析显示,长护险通过提高中老年人养老保险的参与度进而改善其健康相关生命质量。结论和建议:建议加强长护险政策宣传力度,提升长护险护理服务质量,建立专业化的长护险照护队伍,完善长护险与其他社会保障制度及婚育政策的有效衔接,并积极对接社会基层组织,共同促进中老年人健康相关生命质量的提升。展开更多
文摘Prof. Zhang Jingzhong, a well-known Chinese mathematician, is now serving as the honorary director of the Chengdu Institute of Computer Application under the CAS and as an instructor for doctorate students.His outstanding attainments in the field of mathematics and computer science include his pioneering work of enriching theories and methods in mechanized demonstration,the concept of "educational mathematics" and his meritorious service as a prolific popular science writer. On December I.1936, Prof.Zhang was born in a teacher’s family in Runan County,Henan Province.After successfully passing an entrance examination in 1954,
文摘量子点发光二极管(Quantum Dot Light-emitting Diode,QLED)具有卓越的性能,如高色纯度、宽色域和可调节的发射波长。这些独特的优点使其成为下一代显示器和固态照明领域的有力竞争者。本文系统地分析了长寿命QLED器件的设计策略,从量子点发光层(Emitting Layer,EML)、电子传输层(Electron Transport Layer,ETL)、空穴传输层(Hole Transport Layer,HTL)等3个核心功能层梳理长寿命QLED器件的共性特征和规律,为后续蓝光QLED器件和更多量子点体系QLED器件寿命的提升提供有益的思路,对长寿命QLED技术的发展提出展望。
文摘目的:探究长期护理保险(以下简称“长护险”)制度实施对中老年人健康相关生命质量的影响,为推动我国全面实施长护险制度提供实证支持。方法:采用中国健康与养老追踪调查(China Health and Retirement Longitudinal Study, CHARLS)多期数据,借助Grossman健康需求理论与风险感知理论,运用多时点双重差分模型,检验长护险对中老年人健康相关生命质量的影响及作用机制。结果:长护险对中老年人健康相关生命质量有显著改善效应。异质性分析发现,该效应在男性、已婚、少子、参加体育锻炼的人群中表现更为显著。机制分析显示,长护险通过提高中老年人养老保险的参与度进而改善其健康相关生命质量。结论和建议:建议加强长护险政策宣传力度,提升长护险护理服务质量,建立专业化的长护险照护队伍,完善长护险与其他社会保障制度及婚育政策的有效衔接,并积极对接社会基层组织,共同促进中老年人健康相关生命质量的提升。