Improving the mental health of the elderly has become an important strategic goal of healthy aging, among which employment is regarded as an essential factor for the mental health of the elderly. This study adopted ordinary least squares, ordered logit, propensity score matching (PSM), and KHB mediation analysis to examine the influence and mechanism of employment on mental health in older Chinese adults using data from the China Health and Retirement Longitudinal Survey of 2018. The study found that employment positively impacts older adults’ mental health in China. This promotive effect of employment was significant for more senior people aged up to 80 years old with lower educational backgrounds and rural household registration. In addition, individual annual income, the financial support provided to children, and support received from children significantly mediate the realization of employment improving older people’s mental health. Our findings are expected to provide valuable insight into delayed retirement and active aging in China. Therefore, the government must play the role of support and advocacy to promote employment and safeguard the well-being of older adults.
To
safely dispose radioactive waste (including, e.g., thorium and
radiostrontium), Ce4+ and Sr2+ were chosen as
simulated surrogates of α and β waste and were introduced
into the Gd3+ site in Gd2Zr2O7 to maintain the average cationic radius and to compensate
for charge. A series of Gd2–x
Sr
x/2Ce
x/2Zr2O7 (0.00 ≤ x ≤ 0.25)
compounds were examined by experimental and theoretical calculations
to investigate the co-doping effects of α and β waste
in a Gd2Zr2O7-based matrix. The effects
of Ce4+ and Sr2+ content on the phase, unit
cell parameters, active modes, mechanical property, and microstructure
were studied systematically. Moreover, the limit of incorporation
of Ce4+ and Sr2+ in Gd2Zr2O7 pyrochlore and the lattice parameters were also calculated
through virtual crystal approximation theory, and the results were
found to well agree with experimental results.
The PEG/salt aqueous two-phase system (ATPS) is the most common ATPS, but its application is still limited due to restricted polarity difference between the two phases and the poor enhancement...
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