人口老龄化背景下的适老化社区建设——以南京江宁区M街道为例Age-Friendly Community Construction under the Background of Population Aging—A Case Study of M Street in Jiangning District, Nanjing
王贝贝
老龄化研究Vol.11 No.6, 全文下载: PDF XML DOI:10.12677/ar.2024.116318, November 25 2024
E-三角范畴中的(n, m)-强ξ-Gorenstein投射对象(n, m)-Strongly ξ-Gorenstein Projective Objects in Extriangulated Categories
郭雯珺
理论数学Vol.14 No.4, 全文下载: PDF HTML XML DOI:10.12677/pm.2024.144134, April 28 2024
Gorenstein (m, n)-投射模Gorenstein (m, n)-Projective Modules
杨 强 国家自然科学基金支持
理论数学Vol.10 No.10, 全文下载: PDF HTML XML DOI:10.12677/PM.2020.1010118, October 30 2020
随机环境中的M/M/n排队系统M/M/n Queuing System in Random Environment
单超超, 池夏夏
应用数学进展Vol.10 No.2, 全文下载: PDF HTML XML DOI:10.12677/AAM.2021.102055, February 25 2021
老龄化背景下农村养老保障存在的问题——以河南省大流乡农村为例Problems in Rural Old-Age Security in the Context of Aging—Taking the Rural Areas of Daliu Township in Henan Province as an Example
罗文文
老龄化研究Vol.11 No.3, 全文下载: PDF XML DOI:10.12677/ar.2024.113100, June 20 2024
论西塞罗《论老年》对我国积极老龄化的启示The Enlightenment of Cicero’s On Old Age to Active Aging in China
朱玉环
老龄化研究Vol.10 No.2, 全文下载: PDF HTML XML DOI:10.12677/AR.2023.102054, June 30 2023