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In coffee percolation, soluble compounds leave the coffee grounds and join the water to form [[coffee. Insoluble compounds (and granulates) remain within the coffee filter.]]

In coffee percolation, soluble compounds leave the coffee grounds and join the water to form [[coffee. Insoluble compounds (and granulates) remain within the coffee filter.]]

在咖啡过滤中，可溶性化合物离开咖啡渣并加入水形成[[咖啡]。不溶性化合物(和颗粒)留在咖啡过滤器中。]

在咖啡过滤中，可溶性化合物离开咖啡渣并加入水形成[[咖啡]]。不溶性化合物(和颗粒)留在咖啡过滤器中。]

[[File:Percolation.gif|thumb|Percolation in a square lattice (Click to animate)]]

[[File:Percolation.gif|thumb|Percolation in a square lattice (Click to animate)]]

Percolation in a square lattice (Click to animate)

Percolation in a square lattice (Click to animate)

在正方形格子中过滤(点击动画)

[[File:Percolation.gif|thumb|在正方形格子中过滤(点击动画)]]

In [[physics]], [[chemistry]] and [[materials science]], '''percolation''' (from [[Latin]] ''percōlāre'', "to filter" or "trickle through") refers to the movement and [[filtration|filtering]] of fluids through porous materials.  

In [[physics]], [[chemistry]] and [[materials science]], '''percolation''' (from [[Latin]] ''percōlāre'', "to filter" or "trickle through") refers to the movement and [[filtration|filtering]] of fluids through porous materials.  

In physics, chemistry and materials science, percolation (from Latin percōlāre, "to filter" or "trickle through") refers to the movement and filtering of fluids through porous materials.  

In physics, chemistry and materials science, percolation (from Latin percōlāre, "to filter" or "trickle through") refers to the movement and filtering of fluids through porous materials.  

在物理、化学和材料科学中，percolation (从拉丁语 perc l re，“ to filter”或“ trickle through”)指的是流体通过多孔材料的运动和过滤。

在[[物理]]、[[化学]]和[[材料科学]]中， '''percolation ''' (从[[拉丁语]] ''percōlāre''，“ to filter”或“ trickle through”)指的是流体通过多孔材料的运动和过滤。

It is described by [[Darcy's law]].

It is described by [[Darcy's law]].

It is described by Darcy's law.

It is described by Darcy's law.

Broader applications have since been developed that cover connectivity of many systems modeled as lattices or graphs, analogous to connectivity of lattice components in the filtration problem that modulates capacity for percolation.

Broader applications have since been developed that cover connectivity of many systems modeled as lattices or graphs, analogous to connectivity of lattice components in the filtration problem that modulates capacity for percolation.

Broader applications have since been developed that cover connectivity of many systems modeled as lattices or graphs, analogous to connectivity of lattice components in the filtration problem that modulates capacity for percolation.

Broader applications have since been developed that cover connectivity of many systems modeled as lattices or graphs, analogous to connectivity of lattice components in the filtration problem that modulates capacity for percolation.

==Background==

==Background背景==

During the last decades, [[percolation theory]], the mathematical study of percolation, has brought new understanding and techniques to a broad range of topics in physics, materials science, [[complex network]]s, [[epidemiology]], and other fields. For example, in [[geology]], percolation refers to filtration of water through soil and permeable rocks. The water flows to [[groundwater recharge|recharge]] the [[groundwater]] in the [[water table]] and [[aquifer]]s. In places where [[infiltration basin]]s or [[septic drain field]]s are planned to dispose of substantial amounts of water, a [[percolation test]] is needed beforehand to determine whether the intended structure is  likely to succeed or fail.

During the last decades, [[percolation theory]], the mathematical study of percolation, has brought new understanding and techniques to a broad range of topics in physics, materials science, [[complex network]]s, [[epidemiology]], and other fields. For example, in [[geology]], percolation refers to filtration of water through soil and permeable rocks. The water flows to [[groundwater recharge|recharge]] the [[groundwater]] in the [[water table]] and [[aquifer]]s. In places where [[infiltration basin]]s or [[septic drain field]]s are planned to dispose of substantial amounts of water, a [[percolation test]] is needed beforehand to determine whether the intended structure is  likely to succeed or fail.

During the last decades, percolation theory, the mathematical study of percolation, has brought new understanding and techniques to a broad range of topics in physics, materials science, complex networks, epidemiology, and other fields. For example, in geology, percolation refers to filtration of water through soil and permeable rocks. The water flows to recharge the groundwater in the water table and aquifers. In places where infiltration basins or septic drain fields are planned to dispose of substantial amounts of water, a percolation test is needed beforehand to determine whether the intended structure is  likely to succeed or fail.

During the last decades, percolation theory, the mathematical study of percolation, has brought new understanding and techniques to a broad range of topics in physics, materials science, complex networks, epidemiology, and other fields. For example, in geology, percolation refers to filtration of water through soil and permeable rocks. The water flows to recharge the groundwater in the water table and aquifers. In places where infiltration basins or septic drain fields are planned to dispose of substantial amounts of water, a percolation test is needed beforehand to determine whether the intended structure is  likely to succeed or fail.