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Improvement of the Thermoelectric Properties in CNT/BiTe Composite Films Due to Evolution of the Depletion Layer and Point Defects under the Pulse Current Field.
ACS Appl Mater Interfaces
January 2025
Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, Shenyang 110819, China.
A carbon nanotube (CNT) composite is an effective method to improve the thermoelectricity of materials. However, the depletion layer between the CNT and thermoelectric (TE) material always decreases the contribution of CNT to the conductivity of the TE material. It is important to eliminate the depletion layer for improving the TE properties.
View Article and Find Full Text PDFImpact of Surgical Mask Placement Over High-Flow Nasal Cannula on Oxygenation Parameters in COVID-19 Patients Experiencing Hypoxemic Respiratory Failure.
Cureus
December 2024
Department of Emergency Medicine, MGM Medical College and Hospital, Navi Mumbai, IND.
Background: During the COVID-19 pandemic, managing respiratory failure in critically ill patients has presented significant challenges. A high-flow nasal cannula (HFNC) has been established as an effective respiratory support modality, offering heated, humidified oxygen at high flow rates. However, concerns persist regarding the potential for aerosol dispersion and the risk of viral transmission, particularly in COVID-19.
View Article and Find Full Text PDFPrevalence of Popular Smoking Cessation Aids in England and Associations With Quit Success.
JAMA Netw Open
January 2025
Department of Behavioural Science and Health, University College London, London, United Kingdom.
Importance: A wide range of medications, noncombustible nicotine products, behavioral support, and alternative treatments are available in England to help people stop smoking. Understanding their effectiveness outside of clinical trial settings can support informed decision-making.
Objectives: To provide up-to-date estimates of the prevalence of different smoking cessation aids and associations with quit success and to explore moderation by socioeconomic position.
Thermal comfort perception among park users in Prague, Central Europe on hot summer days-A comparison of thermal indices.
PLoS One
January 2025
Crop Research Institute, Prague, Ruzyně, Czech Republic.
The assessment of human perception of the thermal environment is becoming highly relevant in the context of global climate change and its impact on public health. In this study, we aimed to evaluate the suitability of the use of four frequently used thermal comfort indices (thermal indices)-Wet Bulb Global Temperature (WGBT), Heat Index (HI), Physiologically Equivalent Temperature (PET), and Universal Thermal Climate Index (UTCI)-to assess human thermal comfort perception in three large urban parks in Central Europe, using Prague, the capital of the Czech Republic, as a case study. We investigated the relationship between the four indices and the thermal perception of park visitors, while taking into account the effect of the sex, age, and activity of the respondents and the week-time and daytime of their visit (assessed parameters).
View Article and Find Full Text PDFPolar mesospheric ozone loss initiates downward coupling of solar signal in the Northern Hemisphere.
Nat Commun
January 2025
Space and Earth Observation Centre, Finnish Meteorological Institute, Helsinki, Finland.
Solar driven energetic particle precipitation (EPP) is an important factor in polar atmospheric ozone balance and has been linked to ground-level regional climate variability. However, the linking mechanism has remained ambiguous. The observed and simulated ground-level changes start well before the processes from the main candidate, the so-called EPP-indirect effect, would start.
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