The ultrafiltration constant is introduced to this model, by which the steady ultrafiltration process can be divided into two types: in the presence of cake and in the absence of cake.

在模型中引入了超滤常数，根据超滤常数将超滤过程稳态渗透通量计算分为有滤饼层和无滤饼层两种情况。

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This indicates that the growth of fouling layer and flux decline in concentrating TCM extract by DCMD should be described by cake filtration model.

这说明膜蒸馏运行过程中污染层阻力的生长以及跨膜通量的下降规律应该用滤饼过滤模型描述。

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Again, the system mathematical model of variable frequency drive crumb cake hydraulic machine is established.

再次，建立变频调速液压屑饼机系统的数学模型。

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In the 1950s, Marino Auriti, an Italian immigrant and auto mechanic, created an architectural model for a mammoth, wedding cake-shaped museum he hoped would be built on the Mall.

WSJ: Culture City: It's History (Believe It or Not)