High δ¹⁵N of tree foliage in forests subject to high N supply has been attributed to ¹⁵N enrichment of plant available soil N pools after losses of N through processes involving N isotope ...

This is a preview. Log in through your library . Abstract A high-resolution photoelectric spectrometer employing a mechanically scanned Fabry-Perot interferometer is described. The spectrometer ...

A joint research team has made important progress in the field of photoneutron cross section measurement. The team proposed a substitution measurement method that avoids the use of expensive and ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. About three percent of the Earth's water is freshwater.

Line-Shape Self Calibration Can Be Used to Fine-Tune Mass Accuracy Measurements Mass spectrometry (MS) has become a fundamental tool for compound identification or confirmation by virtue of its ...

A giant, gaping hole that opened up in the Sun's atmosphere has been identified as the source of a surprising abundance of a rare isotope of helium. In late October 2023, the Sun was recorded belching ...

Researchers report that anthropogenic sources of carbonyl sulfide (OCS), not just oceanic sources, account for much of the missing source of OCS in the atmosphere. Their findings provide better ...