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.
For a silk-like cotton sheet, closely woven percale sheeting is the best option. Flannel cotton sheets, with a twill weave, maintain a raised surface that delivers a fluffy appearance along with an ultra soft and cozy feel. For some stretch in your sheets, the plain-stitch knitted jersey sheet would be your best bet.