| 释义 |
〔semipermeable〕Partially permeable.半渗透的：部分可渗透的〔ultrafiltration〕The filtration of a colloidal substance through a semipermeable medium that allows only the passage of small molecules.超滤作用：用只能通过小分子的半渗透性的中介对胶质物体的过滤〔semipermeable〕Allowing passage of certain, especially small, molecules or ions but acting as a barrier to others. Used of biological and synthetic membranes.半渗透的：允许特定的，尤其是小型的分子或离子通过，但对其它粒子则是屏蔽的。用于生物的和人造的膜 |