Percolation

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percolation

[pər·kə′lā·shən]
(computer science)
The transfer of needed data back from secondary storage devices to main storage.
(hydrology)
Gravity flow of groundwater through the pore spaces in rock or soil.
(mining engineering)
Gentle movement of a solvent through an ore bed in order to extract a mineral.
(science and technology)
Slow movement of a liquid through a porous material.

Percolation

 

a method used to leach ores in a fixed bed, mainly, copper oxides and gold ores; leaching by this method is called percolation leaching. The process is carried out in a percolator tank. The pulverized ore is uniformly loaded onto the tank’s false bottom, which is a filtering device. The leaching solution is introduced either from beneath the false bottom, a process called upward leaching, or onto the surface of the load, a process called downward leaching; accordingly, the solution is collected either above or below the false bottom.

percolation

The downward movement of water into soil.
References in periodicals archive ?
About Percolate LMS[TM] ─ It's Just that Simple
Inorganic N loadings (quantity leached) in runoff and percolate were calculated from each replication.
We know our Percolate LMS, which debuted only two years ago, competes in a very tough field.
8220;We love interacting with our Percolate members and as a direct result of acting on their feedback, we have a brand new aspect of social learning to offer,” said Sherry Michaels, President of Michaels & Associates.
Based in New York with additional offices in London and San Francisco, Percolate has some 100 staff, offering an end-to-end suite of web-based and mobile tools that allow brands, agencies and other external partners to work within a single platform.
Your system (Percolate LMS) is ideal for folks who are looking for a lower cost alternative that still can provide them with a solid set of features and offers a very modern and crisp user interface that is easy to use,” Craig Weiss said when contacting Michaels & Associates about his decision to include Percolate in the report.
We see this as an important benchmark in the development of Percolate that will truly benefit both learners and organizations,” said Sherry Michaels, President of Michaels & Associates.
8220;The Quiz Builder was the next logical step in our LMS development process and we find it complements the other features available in the Percolate LMS nicely,” said Sherry Michaels, President of Michaels & Associates.
The most compelling aspect of the work by Yen's group is its simplicity, he says, adding that he'd like to know how far the superoxides could percolate through Mars' surface.
com)-- Michaels & Associates announces the release of two new features of the Percolate LMS[TM] that take advantage of its powerful tagging system: self-registration and communication.
That system, together with an increasingly paved and developed urban environment, means there is little time or space for rainwater to percolate into soil and replenish underground water tables.
If ice is regarded as a random mix of brine pockets and ice particles of equal size, the simple percolation model says sea ice should be at least 25 percent brine before salty water can percolate through it.