1
|
Zhao Y, Tang L, Zeng QW, Bu F, Zhan NN, Wang ZL, Deng XH, Lyu QY. Association between bidirectional intergenerational support and successful aging in China: Evidence from CHARLS 2018. Geriatr Nurs 2023; 49:81-88. [PMID: 36446149 DOI: 10.1016/j.gerinurse.2022.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 11/10/2022] [Accepted: 11/14/2022] [Indexed: 11/29/2022]
Abstract
Aging has gradually accelerated in China, and achieving successful aging of older adults has become a public health concern. Intergenerational support is crucial for Chinese older adults in later life due to the culture of filial piety. However, the association between successful aging and intergenerational support remains poorly understood in China. This study aimed to examine the association between patterns of intergenerational support and successful aging of older adults in China. The present study is a secondary analysis of data obtained from the follow-up survey of the China Health and Retirement Longitudinal Study 2018. Data were analyzed using descriptive statistics and logistic regressions. Bidirectional intergenerational support was associated with successful aging in the participants. In addition, there was an association between different intergenerational financial, caring, and emotional support patterns and elements of successful aging.
Collapse
Affiliation(s)
- Yu Zhao
- School of Nursing, Jinan University, Guangzhou, China
| | - Li Tang
- School of Nursing, Jinan University, Guangzhou, China
| | - Qing-Wei Zeng
- School of Nursing, Jinan University, Guangzhou, China
| | - Fan Bu
- School of Nursing, Jinan University, Guangzhou, China
| | - Na-Ni Zhan
- School of Nursing, Jinan University, Guangzhou, China
| | - Zi-Lin Wang
- School of Nursing, Jinan University, Guangzhou, China
| | - Xiao-Hui Deng
- School of Nursing, Jinan University, Guangzhou, China
| | - Qi-Yuan Lyu
- School of Nursing, Jinan University, Guangzhou, China.
| |
Collapse
|
2
|
Zeng QW, Gao PW, Xu YF, Dong GQ, Chen MM, Zhao JW, Jin GL. Laboratory Research and Evaluation on Design and Application Performance of High-Performance Cold-Mix Resin. Materials (Basel) 2021; 14:ma14174828. [PMID: 34500916 PMCID: PMC8432665 DOI: 10.3390/ma14174828] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/27/2021] [Accepted: 08/23/2021] [Indexed: 11/24/2022]
Abstract
To improve the safety of orthotropic steel bridge decks and the construction efficiency of bridge deck pavement by enhancing the performance of pavement materials, a new-generation, high-performance cold-mix resin was prepared by carrying out the combination of micro-characteristic analysis and performance test. Meanwhile, the pavement performance and fatigue performance of high-performance cold-mix resin mixtures and hot-mix epoxy saphalt mixtures as a control group were studied experimentally. The results show that different kinds of epoxy resins show bisphenol structure in essence. The curing exothermic peak temperature of the cold-mix resin increases with the heating rate. Both the specific heat capacity (△CP) of cold-mix resin and cold-mix resin asphalts exhibit a sudden change between −20 °C and 40 °C. In resin asphalt mixtures, cold-mix resin forms the network structure skeleton whereas the asphalt distributed in the form of tiny particles. The dosage of respective component has a significant effect on the tensile strength and elongation at break of cold-mix resin. Compared with hot-mix epoxy asphalt mixtures, cold-mix resin mixtures exhibit comparable water stability and high and low-temperature performance, as well as greater fatigue life.
Collapse
Affiliation(s)
- Qing-Wei Zeng
- College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China; (Q.-W.Z.); (G.-Q.D.)
| | - Pei-Wei Gao
- College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China; (Q.-W.Z.); (G.-Q.D.)
- Correspondence:
| | - Yang-Fu Xu
- Jiangxi Changtong Highway Co., Ltd., Nanchang 330025, China;
| | - Guo-Qing Dong
- College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China; (Q.-W.Z.); (G.-Q.D.)
| | - Man-Man Chen
- Jiangsu Sinoroad Engineering Technology Research Institute, Nanjing 210000, China; (M.-M.C.); (G.-L.J.)
| | - Jing-Wei Zhao
- School of Transportation, Southeast University, Nanjing 211189, China;
| | - Guang-Lai Jin
- Jiangsu Sinoroad Engineering Technology Research Institute, Nanjing 210000, China; (M.-M.C.); (G.-L.J.)
| |
Collapse
|
3
|
Zhou WH, Wang YT, Lian ZH, Yang TT, Zeng QW, Feng SW, Fang Z, Shu WS, Huang LN, Ye ZH, Liao B, Li JT. Revegetation approach and plant identity unequally affect structure, ecological network and function of soil microbial community in a highly acidified mine tailings pond. Sci Total Environ 2020; 744:140793. [PMID: 32688002 DOI: 10.1016/j.scitotenv.2020.140793] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 06/12/2020] [Accepted: 07/05/2020] [Indexed: 05/22/2023]
Abstract
Owing to its sustainability and low cost, direct revegetation (DR) has been considered a promising alternative to capped revegetation (CR) for dealing with the serious environmental problem derived from various types of mine wastelands that are widespread in the world. However, a direct comparison of the performance of these two revegetation approaches for reclamation of extremely acidic mine wastelands and the underlying mechanisms is still lacking. To bridge this critical knowledge gap, we established 5000 m2 of vegetation on a highly acidified (pH < 3) Pb/Zn mine tailings pond employing both CR and DR schemes (2500 m2 for each scheme). We then profiled the structure, ecological network and function of soil microbial communities associated with two dominant plant species of the vegetations via high-throughput sequencing. Our results showed that CR and DR achieved a vegetation coverage of 59.7% and 90.5% within two years, respectively. This pattern was accompanied by higher concentrations of plant nutrients and lower acidification potentials in topsoils of the rhizospheres of the vegetation established by DR compared to those of CR. Revegetation approach, rather than plant identity, mostly affected the structure, ecological network and function of soil microbial community in the mine tailings pond. Rhizosphere soils of the vegetation established by DR generally had higher microbial diversity, higher relative abundances of dominant microbial phyla (e.g. Nitrospirae) that can aid plant uptake of nutrients, more complicated microbial interactive networks and more microbial genes responsible for nutrient cycling than those by CR. As the first report on a direct comparison of CR and DR schemes for reclamation of an extremely acidic mine wasteland, our study has important implications for not only the understanding of microbial ecology in revegetated mine wastelands but also the further development of sustainable revegetation schemes.
Collapse
Affiliation(s)
- Wen-Hua Zhou
- School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Yu-Tao Wang
- Institute of Ecological Science and Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou 510631, PR China
| | - Zheng-Han Lian
- School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Tao-Tao Yang
- School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Qing-Wei Zeng
- School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Shi-Wei Feng
- Institute of Ecological Science and Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou 510631, PR China
| | - Zhou Fang
- Institute of Ecological Science and Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou 510631, PR China
| | - Wen-Sheng Shu
- Institute of Ecological Science and Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou 510631, PR China
| | - Li-Nan Huang
- School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Zhi-Hong Ye
- School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Bin Liao
- School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China.
| | - Jin-Tian Li
- Institute of Ecological Science and Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou 510631, PR China.
| |
Collapse
|
4
|
Liang JL, Liu J, Jia P, Yang TT, Zeng QW, Zhang SC, Liao B, Shu WS, Li JT. Novel phosphate-solubilizing bacteria enhance soil phosphorus cycling following ecological restoration of land degraded by mining. ISME J 2020; 14:1600-1613. [PMID: 32203124 PMCID: PMC7242446 DOI: 10.1038/s41396-020-0632-4] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 03/02/2020] [Accepted: 03/10/2020] [Indexed: 01/10/2023]
Abstract
Little is known about the changes in soil microbial phosphorus (P) cycling potential during terrestrial ecosystem management and restoration, although much research aims to enhance soil P cycling. Here, we used metagenomic sequencing to analyse 18 soil microbial communities at a P-deficient degraded mine site in southern China where ecological restoration was implemented using two soil ameliorants and eight plant species. Our results show that the relative abundances of key genes governing soil microbial P-cycling potential were higher at the restored site than at the unrestored site, indicating enhancement of soil P cycling following restoration. The gcd gene, encoding an enzyme that mediates inorganic P solubilization, was predominant across soil samples and was a major determinant of bioavailable soil P. We reconstructed 39 near-complete bacterial genomes harboring gcd, which represented diverse novel phosphate-solubilizing microbial taxa. Strong correlations were found between the relative abundance of these genomes and bioavailable soil P, suggesting their contributions to the enhancement of soil P cycling. Moreover, 84 mobile genetic elements were detected in the scaffolds containing gcd in the 39 genomes, providing evidence for the role of phage-related horizontal gene transfer in assisting soil microbes to acquire new metabolic potential related to P cycling.
Collapse
Affiliation(s)
- Jie-Liang Liang
- Institute of Ecological Science and Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, PR China
| | - Jun Liu
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, PR China
| | - Pu Jia
- Institute of Ecological Science and Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, PR China
| | - Tao-Tao Yang
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, PR China
| | - Qing-Wei Zeng
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, PR China
| | - Sheng-Chang Zhang
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, PR China
| | - Bin Liao
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, PR China
| | - Wen-Sheng Shu
- Institute of Ecological Science and Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, PR China
| | - Jin-Tian Li
- Institute of Ecological Science and Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, PR China. .,School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, PR China.
| |
Collapse
|