Reduction of interfacial tension can increase capillary number, accordingly, reduce saturation of irreducible oil, enhance ability of oil recovery.
界面张力的降低可提高毛管数，从而使残余油饱和度下降，提高原油采收能力。
The intensity of the magnetic field needed to reduce the magnetization of a ferromagnetic material to zero after it has reached saturation.
磁场的强度，为在强磁性的物质达到饱和之后，把它的磁化作用缩小到零所必需。
High saturation flux density can improve the work point of transformers and reduce the volume of power supply.
高饱和磁感应强度能提高变压器的工作点，缩小电源体积。
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