impermeable barrier

常见例句

A. It Can make blood-brain barrier impermeable.
它可以使血脑屏障不具渗透性。
The steady-state flow mathematical model of arbitrary shaped heterogeneous reservoirs with impermeable barrier is constructed in this paper.
建立了考虑源（汇）影响的含有不渗透区域复杂边界条件下非均质油藏稳定渗流的数学模型。
Although skin can be a relatively impermeable barrier, a few drugs have just the right physical and chemical characteristics to cross it at reasonable rates.
虽然皮肤是相当不易穿透的障碍，但少数药物的物理化学特性，恰好能让这些药物以合理的速率穿过皮肤。