磁导率

The permeance of a material is its ability to allow fluids or gases to pass through it.
材料的渗透性是指其允许流体或气体通过的能力。
The high permeance of the membrane allows water vapor to easily escape from the fabric.
膜的高渗透性使得水蒸气可以轻易地从织物中逸出。
The permeance of the soil depends on its porosity and the size of its pores.
土壤的渗透性取决于其孔隙度和孔径大小。
By measuring the permeance of the filter, we can determine how effective it is at removing contaminants from the air.
通过测量过滤器的渗透性，我们可以确定它在去除空气中的污染物方面有多有效。
The permeance of a material can be increased by increasing its surface area or decreasing its thickness.
通过增加材料的表面积或减小其厚度，可以提高其渗透性。
In order to improve the breathability of the fabric, we need to increase its permeance without sacrificing its durability.
为了改善织物的透气性，我们需要在不牺牲其耐用性的情况下提高其渗透性。
The permeance of a membrane can be affected by factors such as temperature, pressure, and the type of fluid passing through it.
温度、压力和通过膜的流体类型等因素都会影响膜的渗透性。
The permeance of a gas through a solid material is determined by its molecular weight and size.
气体通过固体材料的渗透性由其分子量和尺寸决定。
The permeance of a coating can be reduced by adding fillers or pigments to the formulation.
通过向配方中添加填料或颜料，可以降低涂层的渗透性。
The permeance of a membrane can be measured using a variety of techniques, including gas chromatography and liquid chromatography.
可以使用各种技术来测量膜的渗透性，包括气相色谱法和液相色谱法。