Definition of diastereomer. : a stereoisomer of a compound having two or more chiral centers that is not a mirror image of another stereoisomer of the same compound â compare enantiomer.
Most perennial weeds such as Johnsongrass. are also suppressed although vigorous plants or heavy in-. festations may lift plastic. Perennial sedges, and to a lesser. extent, grasses can puncture sheet mulches as the weeds. emerge from the soil, resulting in inadequate control.
The flexible fabric barge is a plastic container that is buoyant. It can be linked together with an attachment system to other flexible fabric barges to make a train.. The waterbags, which are sometimes referred to as balloons or bladders, are made up of a vinyl lining inside a stronger material net.