Both substantive and nonsubstantive active ingredients can show a persistent effect if they substantially lower the number of bacteria during the wash period.

This mechanism is called reversible termination and is said to operate via the "persistent radical effect".

In these situations, children experiencing stress exhibit persistent effects of varying cortisol levels.

It highlights the persistent effects that variations in historical and prehistorical conditions have had on the composition of human capital and economic development across countries.

And the products registered now are all very short-lived in terms of having any persistent effect on the environment.

Enchantments represent persistent magical effects; they are spells that remain on the battlefield and alter some aspect of the game.

Yet one can't dismiss the possibility that this time will be different, that the terror attack will have a persistent negative effect.

Support cards have persistent effects, incurring lasting benefits or hindrances.

No persistent effect of DEC on microfilariae was noted on long-term follow up.

The persistent effect is of being uncomfortably near a height-challenged hunter closing in on an elephant.