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。
The air permeability of leather and other shoe materials has the bi -differential property.
皮革及其它鞋用材料的透气性存在两向差异。
To apply differential analysis and non invasion line in low permeability oil fields, this paper presents a method for identifying oil water in reservoirs.
针对吉林英坨东地区低渗透油田特点 ，应用微差识图、无侵线等方法综合研究油水层识别问题。
Finally this formula is used to explain the effect of differential pressure on formation permeability.
最后应用这一公式解释了压实压力对渗透率的影响。
Permeabilities decrease with the de- crease of pressure differential or flow rate, which has been observed when routine measurements for determining rock permeability to water is being conducted.
对含有滞留聚合物分子的岩心进行常规的水测渗透率试验。
Permeabilities decrease with the de- crease of pressure differential or flow rate, which has been observed when routine measurements for determining rock permeability to water is being conducted.
对含有滞留聚合物分子的岩心进行常规的水测渗透率试验。
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