It is thought that these discharges take place when a powerful positively-charged bolt of lightning strikes the ground.
Times, Sunday Times (2013)
This enables simultaneous separation of positively charged, negatively charged, and neutral species.
The Scientist (2000)
In electrophoresis, positively charged (cationic) species are propelled toward the negatively charged electrode (cathode).
The Scientist (2000)
Proteins will be positively charged, and will not electrostatically interact with the wall.
The Scientist (2000)
At the trailing edge of the craft, tiny airfoils carry a corresponding negative charge, which attracts and accelerates the positively charged nitrogen ions.
2019, 'An Airplane with no Moving Parts', Smithsonianhttps://www.airspacemag.com/articles/airplane-no-moving-parts-180971217/
Flowers generally have a weak negative electric field, while bees become positively charged as they fly.
Times, Sunday Times (2013)
The sulphuric acid breaks down into a positively charged hydrogen ion and a negatively charged sulphate ion.
Times, Sunday Times (2009)
Positively charged ions such as sodium are pumped out of the cell, leaving a negative resting potential inside.
Times, Sunday Times (2007)
This relativistic theory of the electron had been shown to entail the existence of an equally massive positively charged 'anti-electron'.
Times, Sunday Times (2009)
They comprise a negatively charged anode, a positively charged cathode and an electrolyte - a liquid that will carry charged particles.