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Interactive effects of air pollutants and viral exposure on daily influenza hospital visits in Mongolia.
Environ Res
December 2024
School of Public Health, Mongolian National University of Medical Sciences, Ulaanbaatar, 14210, Mongolia. Electronic address:
Article Synopsis
- Air pollution is a public health risk linked to serious health outcomes, and this study investigates how it interacts with viral exposure to influence influenza hospital visits in Ulaanbaatar, Mongolia.
- Researchers analyzed seven years of data on daily influenza-related hospital visits, examining these in relation to various air pollutants, with additional factors considered, such as temperature and humidity.
- The findings showed that air pollution worsens the impact of viral exposure, especially in winter and among children under five, indicating a significant health risk that needs to be addressed.
Noble-Metal-Free Cocatalysts Reinforcing Hole Consumption for Photocatalytic Hydrogen Evolution with Ultrahigh Apparent Quantum Efficiency.
Adv Mater
December 2024
College of Physics and Center of Quantum Materials and Devices, Chongqing University, Chongqing, 401331, China.
Achieving efficient and sustainable hydrogen production through photocatalysis is highly promising yet remains a significant challenge, especially when replacing costly noble metals with more abundant alternatives. Conversion efficiency with noble-metal-free alternatives is frequently limited by high charge recombination rates, mainly due to the sluggish transfer and inefficient consumption of photo-generated holes. To address these challenges, a rational design of noble-metal-free cocatalysts as oxidative sites is reported to facilitate hole consumption, leading to markedly increased H yield rates without relying on expensive noble metals.
View Article and Find Full Text PDFUnintended side effect of the coal-to-gas policy in North China Plain: Migration of the sources and health risks of ambient PAHs.
Sci Total Environ
January 2025
Department of Atmospheric Sciences, School of Environmental Sciences, China University of Geosciences, Wuhan 430074, China. Electronic address:
Ongoing coal-to-gas (CTG) largely cut down both coal consumption and associated PM. However, a knowledge gap still existed in CTG impacts on the other energy and organic pollutant emissions. Coupling on-site investigation with statistical yearbooks, we provided a more realistic energy evolutions before (BCTG), during (DCTG), and after (ACTG) the CTG for Hebei Province.
View Article and Find Full Text PDFStudy on the failure and acoustic emission characteristics of coal under graded cyclic loading and unloading stress paths.
Sci Rep
November 2024
Anhui Engineering Research Center of Exploitation and Utilization of Closed/Abandoned Mine Resources, Anhui University of Science and Technology, Huainan, Anhui, 232001, China.
To study the influence of cyclic disturbance stress on the mechanical behavior of coal during mining, a gas containing coal fluid-solid coupling servo seepage experimental system was used to conduct experimental research on the acoustic emission (AE) characteristics of gas containing coal under two stress paths of graded cyclic loading and unloading. The AE characteristics of coal damage and failure processes under different cyclic stress paths were analyzed. The research results indicate that: (1) The overall characteristics of AE signals for both graded cyclic loading and unloading paths are basically the same.
View Article and Find Full Text PDFIdentifying and eliminating false positives in thermal-assisted photocatalysis.
Chem Commun (Camb)
October 2024
College of Physics and Center of Quantum Materials and Devices, Chongqing University, Chongqing 401331, China.
Article Synopsis
- - Using the wrong calibration curves to assess activity can lead to misleading results, such as inflated claims about hydrogen production efficiency.
- - Our findings show that these misapplications can exaggerate hydrogen production effectiveness by as much as 2.2 times, creating significant false positives.
- - The study emphasizes the need for proper calibration to accurately evaluate performance, which is crucial for improving thermal-assisted photocatalysis technologies.
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