Since the officers opened the windows a few minutes after the smoke bomb went off, I don't expect to find much residue upstairs. |
In the US a baroque webwork of agencies shares responsibilities for determining safe levels of chemical residue in and on food. |
The Ministry of Environment is concerned with wood residue such as bark, sawdust, shavings, woodchips and offcuts generated by sawmills. |
The supernatant was kept in stock whereas the residue was sequentially extracted three times. |
Who wants to drink a shake that is tasteless, or one that leaves a chalky residue with a bitter aftertaste in your mouth? |
An acetyl group was attached to residue 22 to mimic the preceding peptide bond and the C-terminal carboxylate was protonated. |