Residence Time - The amount of time a substance can remain in a reservoir. The reservoir can be aquatic, atmospheric, or terrestrial.
residence time
See mean residence time
residual risk
Health risk remaining after risk reduction actions are implemented.
[2] ...
Residence time: Period of time that groundwater remains in an aquifer.
Residence time
The period of time water is retained in a reservoir, bay or other system, based upon flow rates into and out of the system.
Return flow ...
Residence Time
For flow reactors, residence time is used as a measure of the processing rate. Residence time is defined as the time required to process one reactor volume of feed i.e. input.
Resource Conservation and Recovery Act ...
mean cell residence time Average time period that a unit of biomass is retained in biological reactors, including the activated sludge process; also known as solids retention time.
mean current hour Same as current hour.
Water vapor in the troposphere, unlike the better-known greenhouse gases such as CO2, is essentially passive in terms of climate: the residence time for water vapor in the atmosphere is short (about a week) so perturbations to water vapor rapidly ...
Afterburner: An off-gas post-treatment unit for control of organic compounds by thermal oxidation. A typical afterburner is a refractory-lined shell providing enough residence time at a sufficiently high temperature to destroy organic compounds in ...
The average total number of vehicles that traverse a road on a typical day. For residential streets, the ADT is usually about 10 trips per residence times the number of residences.
B
BAFFLES ...
Studying the behavior and distribution of these specific isotopes and other chemical tracers in the ocean will provide information on: residence times of the water and its dissolved components in gyres, basins, etc.
organic compounds used for refrigerants, aerosol propellants (prohibited in the U.S.), and blowing agents in plastic foams. CFCs migrate to the upper atmosphere destroying ozone and increasing global warming. Typical atmospheric residence times are ...
(CFCs), halogenated fluorocarbons (HCFCs), perfluorinated carbons (PFCs), hydrofluoro-carbons (HFCs) and Sulfur Hexafluoride (SF6). Carbon dioxide, methane and nitrogen oxides are of particular concern due to their long residence time in the ...
 See also: Water, Concentration, Environment, Site, Table
  
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