Showing 281 - 290 of 344
Introduction: China is facing significant health care challenges, not only with infectious diseases but also with the burden of chronic diseases. Particularly in rural China, its residents are facing serious problems in seeking health care services due to their limited healthcare resource and...
Persistent link: https://www.econbiz.de/10014049610
We investigate whether risk-taking for resurrection type of risk preference (non-constant risk aversion) can increase the probability of achieving inflation-indexed pension benefits at retirement, especially when the starting position is underfunded. By maximizing the expected utility of the...
Persistent link: https://www.econbiz.de/10014078275
Dynamic minimum variance hedge ratios (MVHRs) have been commonly estimated using Bivariate GARCH model that overlooks basis effect on the time-varying variance-covariance of spot and futures returns. This paper proposes an alternative specification of the BGARCH model in which the basis effect...
Persistent link: https://www.econbiz.de/10014026365
Seven new 2-(2-Phenethyl) chromone derivatives ( 1-7 ), including four 2-(2-Phenethyl) chromone s ( 1-4 ), one 6, 7, 8 trihydroxy-2-(2-Phenethyl) chromone ( 5 ), one acetylated 5, 6, 7, 8-tetrahydroxy-2-(2-Phenethyl) chromone ( 6 ), and one chlorine-containing 5, 6, 7,...
Persistent link: https://www.econbiz.de/10013302115
The strengthening effects of Cr on Cu-Cr alloy are severely limited due to the relatively low solid solubility of Cr (0.7 wt.%). Also, the mechanical performance deteriorates severely at high temperature due to the Cr precipitates coarsening rapidly or dissolving in Cu matrix again. Here, the...
Persistent link: https://www.econbiz.de/10013302427
A remnant fertilizer monitoring system utilizing three-dimensional (3D) reconstruction is proposed to detect the amount of remaining fertilizer in the applicator’s tank. Bench tests are carried out to compare the performance of four algorithms to estimate the remnant fertilizer amount:...
Persistent link: https://www.econbiz.de/10013302636
Urea oxidation reaction (UOR) has emerged as a competitive approach for many energy-related technologies due to the low overpotential and fast reaction dynamics. The main challenge lies in fabricating high-efficient catalysts with optimized electronic structure and understanding the intrinsic...
Persistent link: https://www.econbiz.de/10013303549
Urea oxidation reaction (UOR) has emerged as a competitive approach for many energy-related technologies due to the low overpotential and fast reaction dynamics. The main challenge lies in fabricating high-efficient catalysts with optimized electronic structure and understanding the intrinsic...
Persistent link: https://www.econbiz.de/10013303551
Increasing the operating voltage of Ni-rich cathode materials is a highly promising route to achieve lithium-ion batteries with a high energy density. However, the unstable electrode-electrolyte interface (EEI) caused by the decomposition of carbonate-based electrolytes at high voltage is a...
Persistent link: https://www.econbiz.de/10013303642
Persistent link: https://www.econbiz.de/10013411738