不透水性

随着城市化的发展，不透水性铺装所占比例越来越大。

With the development of urbanization , impermeable pavement accounts for more and more proportion .

软木的弹性和不透水性使之制作瓶塞的好材料，是酒瓶的瓶塞。

Cork 's elasticity combined with its near-impermeability makes it suitable as a material for bottle stoppers , especially for wine bottles .

与石棉水泥板一样，具有较好的不透水性、抗冻性、不燃性、耐热水性与机械加工性。

Their watertightness , frost resistance , non-combustibility , hot water resistance and machinability are the same as that of asbestos cement sheets .

水库的主要功能是拦洪、蓄水，而地下水的分布特征及其与地表水的补给、排泄关系对水库的不透水性密切相关。

The distribution characteristics of the groundwater and its relationship with replenishment and discharge of surface water are closely relevant to impermeability of reservoir .

采用测试不透水性提高率的方法，研究了纤维类型及纤维参数对水泥砂浆抗渗性能的影响。

So the effect of fiber kinds and factors on anti-permeability of cement mortar was studied using the method of testing increased ratios of water-proof .

由于建筑材料的不透水性，城市下垫面潜热通量远小于感热通量，且城市的储热能力明显增强。

Because of materials waterproofness of building , the latent heat flux is far less than sensible heat flux , while the heat storage capacity is obvious enhanced .

榛树果实有一定的吸水性，据此推测种子休眠可能不是因果皮的不透水性造成；

The hazelnut had water absorption in some degree , it can be inferred that the seed dormancy may not be caused by the non water absorbability of the peel .

在城市化发展的进程中，原有的透水性地面越来越少，而大量土地资源的开发导致了城市中不透水性地面的增加。

During the development of the city , the original pervious ground is less and less , but a great deal of development in land caused the impervious ground more and more in the city .

不饱和环氧树脂透水性混凝土物理力学性能的试验研究

Study on physics mechanics properties of the water permeable concrete of unsaturated epoxy resin