webtv.un.org

UN projects world population to peak within this century

One in four people globally live in a country whose population has already peaked in size. 11 July 2024 - According to the World Population Prospects 2024: Summary of Results published today, it is ...
webtv.un.org

Eleventh Emergency Special Session

In a note dated 27 February 2022, the Secretary-General informed Member States that the eleventh emergency special session would convene at Headquarters on Monday, 28 February 2022 for the ...
IEEE

A QCM Humidity Sensor Based on MoS₂ Nanoflower-Modified Chitosan Composite With High Quality Factor

Abstract: This article presented a quartz crystal microbalance (QCM) humidity sensor covered with chitosan/molybdenum disulfide (CS/MoS2) composite film. The prepared sensor possesses promising ...
IEEE

An Investigation Into the Impact of Impedance Measurement Parameters on the Limit of Detection of QCM-D Using Machine Learning Model Chaining

Abstract: Impedance spectroscopy is an appropriate measurement method for quartz crystal microbalance with energy dissipation (QCM-D) monitoring, especially for machine learning (ML) applications, ...
UN News Centre

LIVE: Security Council meets on Venezuela, Iran, Somalia

The Security Council convened earlier today for a packed agenda, adopting a resolution extending the authorisation of the African Union support mission in Somalia (AUSSOM) and hearing a briefing on ...