Showing 521 - 530 of 533
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
Choice of iron sources is crucial to the improved electrochemical performances of LiMnPO 4 with poor electronic and ionic conductivity. Here, LiMn 0.8 Fe 0.2 PO 4 /C composites were synthesized through a rheological phase-assisted solid-state method using MnO and LiH 2 PO 4 as raw materials....
Persistent link: https://www.econbiz.de/10013305312
Experimentation is the main engine of innovation. It often involves separation of tasks and information asymmetry. We model a repeated setting where a principal chooses a project in each period. While evaluating to implement the project, an agent privately learns the project state and...
Persistent link: https://www.econbiz.de/10014255289
Amid growing pressures to comply with ESG standards, firms increasingly disclose their ESG targets. However, given the difficulty in verifiability, it is unclear whether this public commitment to ESG goals signals firms’ sincere intention to improve ESG practice or is only cheap talk. In this...
Persistent link: https://www.econbiz.de/10014255309
Purpose The purpose of this study is twofold: first is to examine the nonlinear relationship between tourism development and housing prices, and secondly, the role of economic growth in facilitating the materialization of tourism development and housing prices nexus in G7 countries....
Persistent link: https://www.econbiz.de/10014778335