Sentence examples for be effective only within from inspiring English sources

Despite its widespread use, the traditional Active Noise Control (ANC) technique requires error feedback and has been proven to be effective only within a small spatial region.

Formerly, EC was thought to be effective only within 72 hours, but recent studies have confirmed it is effective for up to 120 hours [ 1, 2].

Mass vaccination with the 2009 H1N1 influenza vaccine would be effective only within a limited range of cross-protection against a re-emerging H1N1 strain.

In the past, ECPs were considered to be effective only within 72 hours after intercourse; however recent studies have indicated that they are effective for up to 120 hours [ 5– 7].

ECPs in the past were considered to be effective only within 72 hours after intercourse, but recent studies have confirmed that they are effective for up to 120 hours [ 8, 9].

Climatic changes were effective only within the context of human-induced landscape changes.

This mechanism is effective only within a few wavelengths of the sound source and tends to be limited to lower frequencies.

For a while it may seem that life is easier that way but by taking the long way round to the staff room to avoid potential problem areas and you risk being effective only within the confines of your classroom.

In other words, these actions could be effective only if they are planned within a complex unique system that helps the synergic development of the effects of the single actions proposed.

Oral activated charcoal may be effective only in case of a recent ingestion within 2 hours [ 89].

These medicines are effective only if given within 48 hours of the onset of symptoms.