Capsaicin is potent even in extremely small concentrations, and it is used in topical anesthetics.
The BBC said the canisters inside these bombs contained small concentrations of the chemical agent.
We measure iron and other metals in proteins — extremely small concentrations of iron".
Miners and oil drillers have used computerized technology to extract small concentrations of materials that would once have been unprofitable.
If ice does exist there, the researchers say, it is probably mixed in small concentrations with the soil.
But the scientists found small concentrations of caffeine in nearly all of the samples, totaling more than 200, that they gathered.
Even in very small concentrations, several compounds in the oil killed larvae of the species responsible for the spread of dengue fever.
— two communities in Westchester County that, like North Bergen, have small concentrations of Chileans.
Small concentrations of arsenic improve the corrosion resistance and thermal properties of copper and brass.
Similarly, solid-state lasers may use semiconductors or transparent crystals with small concentrations of light-emitting atoms.
PCBs are particularly toxic to fishes and invertebrates and are fatal to these animals even in small concentrations.
