其中n为线圈单位长度的圈数,I为线圈中的电流,μ0是磁导率(Permeability Constant) 以SI制表示,B的单位为特斯拉(Tesla,简写为T,1T=1wb/m2),I的单位是安培(A),
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gas permeability constant 透气常数
constant head permeability test 常水头渗透试验 ; 恒定水头渗透试验
oxygen permeability constant 渗氧常数
permeability constant of hydrogen 氢渗透常数
constant head permeability 常水头渗透试验
constant permeability alloy 恒磁导率合金
constant permeability magnetic material [材] 恒导磁材料
nickel based constant permeability alloy 镍基恒磁导率软磁合金
The permeability constant decreased with the increase of emulsifying time and reaction time.
反应时间延长，微型胶囊的渗透性常数也减小。
In the present study, equations for determining the permeability constant of microcapsules were suggested by theoretical analysis and verified by experimental results.
本文导出了测定微型胶囊渗透性常数的公式，实验结果与理论分析有较好的一致性。
Permeability is measured by constant pressure air source blowing, core of the detector is micro differential pressure sensor.
透气性测定通过恒压气源吹气测压法实现，透气性探头的核心部件是微压差传感器。
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