Infiltration

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infiltration

[‚in·fil′trā·shən]
(engineering)
Leakage of outdoor air into a building by natural forces, for example, by seepage through cracks or other openings.
(geology)
Deposition of mineral matter among the pores or grains of a rock by permeation of water carrying the matter in solution.
(hydrology)
Movement of water through the soil surface into the ground.
(metallurgy)
Filling the pores of a metal powder compact with metal having a lower melting point.
Movement of molten metal into the pores of a fiber or foam metal.

Infiltration

1. In stormwater management, entry of runoff into the soil. Also, air that leaks into a building through cracks, joints, or damaged areas in a building.
2. Collects and filters stormwater into an aquifer. See also: Water management systems

infiltration

1. The seepage or flow of air into a room or space through cracks around windows, under doors, etc.
2. In a concrete sewer pipe laid in soil, the volume of groundwater that enters the pipeline system.
References in periodicals archive ?
The results of our study showed that exposure to formaldehyde vapor, cause histopathologic changes, such as: subepithelial lymphocytic infiltration, dysplastic changes, hyperchromasis of nuclei, epithelial disorganization and cilia disappearance of rat tracheal epithelium as well.
In the present study out of 10, biopsies were done in 5 cases, basal cell degeneration and lymphocytic infiltration were present in all the cases.
04), and lymphocytic infiltration significantly correlated with negative SLN status (p = 0.
Confirmation of the diagnosis is made by histopathologic evaluation of a labial minor salivary gland biopsy that shows lymphocytic infiltration.
Histopathologically there is variable keratinocyte necrosis, vacuolar degeneration of basal cell and pigment incontinence, dermal edema, and peri-vascular lymphocytic infiltration.
Lymphocytic infiltration of skin of Jessner-Kanof masquerading as borderline leprosy.
Students "t" test showed statistically significant difference in the mean value of the size of hepatocytes; Fischer exact test also showed statistically significant difference in the percentage of hepatocytes containing cytoplasmic vacuoles, pyknotic nuclei and percentage of portal areas showing lymphocytic infiltration, in the of the liver of the animals in group B, when compared with those in group A (p less than 0.
It is an organ-specific autoimmune disease characterized by lymphocytic infiltration of the thyroid gland in which varying degrees of cellular and humoral immune response are involved and which results in thyroid cell death via apopytosis (1-3).
There are various degrees of lymphocytic infiltration.
The arteritis was similar to the autoimmune vascular lesions accompanying AD in mink with adventitial lymphocytic infiltration (4).
Pancreatic biopsy revealed lymphocytic infiltration of the exocrine pancreas, suggesting a possible viral etiology.

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