真空磁导率（permeability of vacuum），国际单位制（SI）中引入的一个有量纲的常量。常用符号μ0表示，由公式 定义，此式是真空中两根通过电流相等的无限长平行细导线...
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... permeability of compartment 舱的渗透率 permeability of vacuum 真空导磁率 permeability quotient 渗透系数 ...
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absolute permeability of vacuum [电磁] 真空绝对导磁率
The level of permeability of each cigarette paper was also examined using a PPM1000M paper porosity device (Cerulean, Milton-Keynes, UK) using the vacuum method.
采用利用真空方法的PPM 1000 M纸孔设备(英国Cerulean米尔顿-凯恩斯)检测每张烟纸的渗透程度。
With the calculation and measuring experiment methods, the effect of vacuum chamber materials magnetic permeability on field distribution in a dipole magnet is discussed.
通过计算机模拟计算与实验相结合，讨论了真空盒磁导率对二极磁铁磁场分布的影响。
This paper presents a new method in which the coating layer is absorbed by low vacuum for determining the permeability of coating used in casting.
提出了用负压吸附涂料层的方式测试涂料透气性的新方法，并推导出了在该方法下计算涂料透气性的数学表达式。
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