Sentence examples for chemical at a from inspiring English sources

Because of biological variability among humans, some individuals respond to a chemical at a dose too low to produce a similar effect in others.

His greatest achievements, he felt, were moving from an environment agenda "trying to save one lake, one forest, change one chemical at a time" to something much more systemic, and making green issues relevant to the economy.

Dr. Ted Schettler of the Science and Environmental Health Network says that the way regulators examine risks — studying the impact of one chemical at a time — is bankrupt, for we're exposed to a cocktail of them daily.

A Department for Education spokesman told the Guardian the warning was prompted by incidents involving the chemical at a small number of schools, although he declined to identify which ones.

The biggest step forward may come in a shift to how both chemists and regulators view chemicals: rather than looking at one chemical at a time, leaders in the field are beginning to look at chemicals from the molecular level and then telescope out to evaluate the safety of entire groups or families of chemicals.

By next year DuPont expects to mass-produce the new chemical at a fraction of the original cost.

This one-chemical-at-a-time approach has left us with insufficient knowledge about the human health effects of exposure to chemical mixtures.

Within each of these discussions, we present new research related to novel analyses that move beyond a "one-chemical-at-a-time" approach to consider multiple exposures.

The Oregon National Guard has written to 433 of its soldiers to say they may have been exposed to a carcinogenic chemical at an Iraqi water pumping plant shortly after the war began.

Meprobamate carved out an area of mental functioning and fired a chemical at it, a magic bullet, and the bullet made the condition disappear.

"However, women who are pregnant are exposed to hundreds of chemicals at a low level.