释义 |
sieve plate
sieve platen. The end wall of a sieve-tube element, containing many pores through which food material is conducted.sieve plate
sieve plate[′siv ‚plāt] (botany) A perforated section of the wall of a component member of a sieve tube. (chemical engineering) A distillation-tower tray that is perforated so that the vapor emerges vertically through the tray, passing through the liquid holdup on top of the tray; used as a replacement for bubble-cap trays in distillation. Also known as sieve tray. |