permeability equation meaning in English

渗透方程
渗透性方程

And the rudiments of hydrodynamics theory were applied to discuss the problem . the quantitative permeability equations were established for dispersed shale and laminar shale fraction respectively . beginning with the two equations , a new equation was advanced considering dispersed shale as well as laminar shale
分别建立了分散泥质和层状泥质与渗透率的定量关系式，在此基础上，综合分散泥质和层状泥质的影响，提出了泥质砂岩的渗透率综合响应方程。