نتایج جستجو برای: btcs
تعداد نتایج: 136 فیلتر نتایج به سال:
abstract microbial contaminants transport to groundwater is a serious environmental problem that can result in large outbreaks of waterborne diseases. some of bacteria can travel from vadose zone and cause contamination of groundwater resources. thus, an accurate prediction of transport and fate of pathogenic microorganisms in unsaturated soil is needed to protect groundwater resources. the mai...
This study aims to evaluate the validity of Fractional Advection-Dispersion equation (FADE) in breakthrough curves saturated homogenous soil media, i.e. clay, and examine three primary restraints, pore water velocity, dispersion coefficient, order fractional differentiation which are impacting solute transport behavior (Fickian or Non-Fickian). In this study, FADE framework used characterize pr...
for preventing groundwater and soil from heavy metal contamination and/or to decrease contamination, and to clean up the former disposal sites from these metals, one must be beforehand able to predict the movement of these pollutants in soils. in this research in order to describe cadmium [cd (ii)] transport in soils, we incorporated an equilibrium-kinetic two-site model into the convection-dis...
Resumo As construções com paredes de terra destacam-se por suas propriedades higrotérmicas, que contribuem para a regulação desejável entre temperatura e umidade dos ambientes. Por outro lado, tais alvenarias estão sujeitas às manifestações patológicas, devido à ação da água das chuvas. O presente artigo avalia eficiênciado uso mucilagem do cacto xique-xique (Pilosocereusgounellei) como tratame...
Összefoglaló. Bevezetés: A prosztatarák kezelésében jelentős szerepet kapnak a különböző sugárterápiás eljárások. Ennek ellenére vizelési képességre gyakorolt, rövid és hosszú távú mellékhatásaikat objektív vizsgálómódszerrel igen kevés tanulmányban vizsgálták. Célkitűzés: Arra kérdésre kerestük választ, hogy hogyan változik korai képesség eljárások során. Módszerek: vizsgálatunkban meghatározo...
cation as the layby treatment. Such herbicide treatments follow the last cultivation before harvest. Shading and With adoption of combine harvest technology, massive sugarcane competition from sugarcane plants usually control weeds (Saccharum Spp. Hyb.) residue is left on the soil surface following each harvest, which could affect the environmental fate and efficacy developing after canopy clos...
Microbial transport in soil is critical in different ways, especially in groundwater contamination and bioremediation of groundwater or soil. The main objectives of this research were quantitative study of bacterial transport and deposition under saturated conditions in calcareous soils. A series of column leaching experiments were conducted. Breakthrough curves (BTCs) of Pseudomonas fluorescen...
The present paper aims at investigating the applicability of hybrid cells in the series model for pollution transport inside the layered porous media. For this purpose, four layers of rock material have fallen inside the experimental flume, with eight sensors installed longitudinally inside the media to obtain experimental BTCs. In order to measure time parameters of the model, named , two diff...
The present paper aims at investigating the applicability of hybrid cells in the series model for pollution transport inside the layered porous media. For this purpose, four layers of rock material have fallen inside the experimental flume, with eight sensors installed longitudinally inside the media to obtain experimental BTCs. In order to measure time parameters of the model, named , two diff...
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