Sentence examples for substances at an from inspiring English sources

37 38 US Black women in the study also tended to abuse substances at an earlier age (eg, 25 34), which has been supported by previous studies.

The strategy showed excellent selectivity toward dopamine over interfering substances at a 100-fold higher concentration.

which is paid or incurred in connection with the abatement or control of hazardous substances at a qualified contaminated site.

This sensor has been able to successfully target up to six substances at a time during its trial phase.

In the body under physiological conditions, many vital functions are regulated by transient release of bioactive substances at a specific time and site.

As is frequently found in the living body, many vital functions are regulated by pulsed or transient release of bioactive substances at a specific site and time.

Individuals exposed to the substances at a young age displayed lower-than-expected levels of antibodies to tetanus and diphtheria after being immunized, raising the prospect that the chemical exposure could be reducing the effectiveness of childhood vaccines.

Therefore, it involves the interphase accumulation of concentrated substances at a surface or at the interphase.

It is thus much more straightforward to discriminate between persistent and non-persistent substances at a test temperature of 20 °C.

Jeptoo, 33, says she may have been prescribed some banned substances at a local hospital after a road accident.

Police surveillance officers, for example, may be interested in an exchange of illegal substances at a meeting of two individuals under observation.