查询词典 impermeable

It is dense and has good water-proof and impermeable properties.

兼有密实及良好的防水防渗性。

A reservoir may be formed where oil and gas is trapped by an impermeable overlying layer.

地层剖面中的岩层是现存的地层部分，而不整合则是缺失的地层部分。

In these pit paved with special pipes and impermeable layer, used to collect garbage fermentation gases and leachate.

在这些坑中铺有专门的管道和防渗层，用来收集垃圾发酵产生的气体和渗滤液。

Of such close construction as to be impermeable .

结构紧密以至不透水的。

An "impermeable" rock is one that fluid cannot pass through.

非渗透性的岩石是指流体不能穿越的岩石。

The membrane is impermeable to blood cells and large molecules such as proteins, but small ones can get through it.

血液分子和一些大分子例如，蛋白质，是无法渗透隔膜的，而小分子仍然可以通过。

Finally a non-destructive detecting way is established to examine the quality of impermeable wall that proved to be effective by actual engineering.

最后，建立了完整的堤坝防渗墙检测方法，并通过在实验段的实际应用，证明了此方法的有效性。

Care must also be taken to protect the anchorage areas, such as encapsulation of the anchorage in impermeable material.

还必须慎重行事，以维护本地区的锚地，如封装的锚地不透水材料。

However, whether these new varieties of filter materials are neither absorbent nor impermeable?

然而这些新品种滤材是否是不吸水也不隔水？

In designing of a core wall type earth-rockfill dam the core wall is the impermeable part of the dam.

在心墙土石坝设计中，心墙是土石坝的防渗主体，它对坝的稳定起着至关重要的作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。