leached 沥滤了的
Leach \Leach\, v. t. [imp. & p. p. {Leached}; p. pr. & vb. n.
{Leaching}.] [Written also leech and letch.]
1. To remove the soluble constituents from by subjecting to
the action of percolating water or other liquid; as, to
leach ashes or coffee.
2. To dissolve out; -- often used with out; as, to leach out
alkali from ashes.
- But lengthy cooking had leached out most of the poison, and Mr. Falon recovered.
- The radium, which is leached from uranium and thorium found in deep geological formations, is brought to the surface with oilfield brine and tends to concentrate in the scaly residue that forms inside pipe.
- Huge quantities of ash were used to provide a base for buildings, roads and storage areas on the smelter site and metal is being leached out of it into the ground water.
- Gold ore is not only milled to extract the metal but gold also can be leached out of ore with a cyanide solution.