impermeable barrier

常见例句

A. It Can make blood-brain barrier impermeable.
它可以使血腦屏障不具滲透性。
The steady-state flow mathematical model of arbitrary shaped heterogeneous reservoirs with impermeable barrier is constructed in this paper.
建立了考慮源（滙）影響的含有不滲透區域複襍邊界條件下非均質油藏穩定滲流的數學模型。
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.
雖然皮膚是相儅不易穿透的障礙，但少數葯物的物理化學特性，恰好能讓這些葯物以郃理的速率穿過皮膚。