Sentence examples for remain effective for from inspiring English sources

If an effect is achieved, a block will typically remain effective for 3 4 weeks.

And without emotion, it's unlikely these ads will remain effective for long".

When finished, it will be slid across teflon pads to entomb the burned out reactor, and is intended to remain effective for a century.

The balance between effective and sustainable incentives for investment, and the need to conserve antimicrobial drugs so they remain effective for as long as possible.

Most products should be reapplied every two hours (one application of Ultra Sheer is supposed to remain effective for six hours or longer).

Even rapidly absorbed drugs can be prepared in ways that slow the degree of absorption and permit them to remain effective for 12 hours or longer.

It could be inserted several hours before sex, and remained effective for as long as 24 hours.

While mounted riders remained effective for initial attacks, by the 14th century, it was common for knights to dismount to fight.

Rockefeller Foundation studies showed in Mexico that DDT remained effective for six to eight weeks if sprayed on the inside walls and ceilings of houses and other buildings.

While mounted riders remained effective for initial attacks, by the end of the 14th century, it was common for knights to dismount to fight, while their horses were sent to the rear, kept ready for pursuit.

The synthetic drug CQ was cheap, safe and unusual in that it remained effective for decades, despite having been deployed as a monotherapy on a massive scale.