METHODS Impermeable capsule bodies were prepared by filling method.
目的制备一种用于脉冲给药装置的新型非渗透性胶囊体,优化制备工艺并考察处方对其渗透行为的影响,研究其药剂学性质。
The use of impermeable gas from prism unit in NH3 production is introduced.
介绍普里森非渗透气在合成氨生产中的利用,通过各种使用情况的评估,探讨普里森非渗透气的合理去向。
To quantitatively determine urban land use extents and development densities,sub-pixel impervious surface areas were mapped for this area.
为了量化城市土地利用程度和开发密度,对研究区基于子像元的非渗透表面丰度进行了分类。
With the fast development of the urbanization, the scale of the impervious surface will also change, thus bring a series of questions to even threaten.
非渗透表面(Impervious Surface),又称不透水表面,是城市地表组成的重要部分。
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