Results 61 to 70 of about 1,463 (114)

The use of environmental isotopes in groundwater flow study in the unsaturatedzone of the Selniška Dobrava coarse gravel aquifer (Slovenia)

open access: yesGeologija, 2006
The knowledge about water flow and transport properties in the unsaturated zone is becoming an important predisposition for groundwater protection. The water flow and transport processes were studied in a field laboratory–alysimeter in the coarse gravel ...
Nina Mali, Janko Urbanc
doaj  

Mean residence time: an invalid estimation method

open access: yesJournal of Pharmacy and Pharmacology, 1990
A, Dunne, D H, Williams
openaire   +2 more sources

Mean residence time in organs in toxicokinetic studies

open access: yesMean residence time in organs in toxicokinetic studies
openaire  

Mean residence time in the body versus mean residence time in the central compartment

Journal of Pharmacokinetics and Pharmacodynamics, 1985
Mean residence time in the body may be determined by noncompartmental methods following any type of input process into the sampled compartment. Mean residence time in the central compartment can be determined following an intravenous bolus dose, as it requires calculation of the concentration at zero time. For any other input process the mean residence
Leslie Z Benet, Benet Leslie Z
exaly   +3 more sources

Mean residence time in peripheral tissue

Journal of Pharmacokinetics and Pharmacodynamics, 1987
The published methods for determining the mean residence time for drugs in peripheral tissue are reviewed in terms of assumptions involved, advantages and disadvantages. A method for determining mean transit time in peripheral tissue is proposed; this may be a more useful indicator of the tissue retention properties for drug compounds.
J C Fleishaker   +2 more
exaly   +3 more sources

Mean Residence Time and Residence Time Distribution When Sawdust Is Dried in Continuous Dryers

Drying Technology, 2008
Information on the mean residence time and the residence time distribution is of importance when optimizing a continuous dryer. In this study, an industrial method for determining the mean residence time is developed. The produced method is benchmarked on a laboratory scale against the stop-and-empty method.
Roger Renström
exaly   +2 more sources

Danckwerts’ law for mean residence time revisited

Chemical Engineering Science, 2006
This paper shows that Danckwerts’ law for mean residence time in a vessel with continuous and steady through∞ow holds for a stochastic model based on a Markov chain for the particle spatial position, under a set of three very general conditions on the transfer probabilities.
Alex Christian Hoffmann
exaly   +2 more sources

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