THE substitution of deuterium for hydrogen has a characteristic effect on the bond lengths in hydrogen compounds, depending on the type of linkage involved. The effect has been described for ionic ...

It also promotes the use of isotope techniques for assessing water resources and managing surface and groundwater on local and national scales, as well as in the case of shared transboundary water ...

The nucleus of each atom contains protons and neutrons. While the number of protons defines the element (e.g., hydrogen, carbon, etc.) and the sum of the protons and neutrons gives the atomic mass, ...