https://impact.ornl.gov/en/publications/ion-acoustic-solitons-in-a-plasma-consisting-of-positive-and-nega/
Ion-acoustic solitons in a plasma consisting of positive and negative ions with nonisothermal...
positive and negative ions
https://pmc.ncbi.nlm.nih.gov/articles/PMC8579920/
Positive and Negative Ions Potently Inhibit the Viability of Airborne Gram-Positive and...
Positive and negative ions (PAIs and NAIs, respectively) generated by air ionizers curb indoor spread of airborne pathogens through cellular oxidative damage....
positive and negative ions