Results 31 to 40 of about 141,089 (307)
A two-dimensional mathematical model of non-linear dual-sorption
Background: Certain drugs, for example scopolamine and timolol, show non-linear kinetic behavior during permeation process. This non-linear kinetic behavior is due to two mechanisms; the first mechanism being a simple dissolution producing mobile and ...
George K, George, K, K George
core +1 more source
Dispersed optically pure anatase, rutile and two-phase samples of titanium dioxide were prepared using a sol-gel technique. In particle of two-phase samples, the anatase nuclei are surrounded by a rutile envelope.
Evgeny I. Kapinus +4 more
doaj +1 more source
The microspherical carbonaceous adsorbents SCN and AST-120 for oral use prevent chronic disease progression, delay dialysis initiation, lessen atherosclerosis development in kidney and decreased of overall and cardiovascular mortality.
V. Strelko, Yu. Gorlov
doaj +1 more source
An activated carbon prepared from silicon carbide by thermochemical synthesis and designated as SiC-AC was studied as an adsorbent for xenon. The examination of textural properties of the SiC-AC adsorbent by nitrogen vapor adsorption measurements at 77 K,
Ilya Men’shchikov +3 more
doaj +1 more source
Investigation into irreversible sorption of pesticides to soil [PDF]
The importance of extremely slow retention and release has superseded the notion that sorption of pesticides to soil is an instantaneous and reversible process. A fraction of sorbed pesticide is also often reported to bind irreversibly to the soil matrix.
Suddaby, Laura
core
Biomass Native Structure Into Functional Carbon‐Based Catalysts for Fenton‐Like Reactions
This study indicates that eight biomasses with 2D flaky and 1D acicular structures influence surface O types, morphology, defects, N doping, sp2 C, and Co nanoparticles loading in three series of carbon, N‐doped carbon, and cobalt/graphitic carbon. This work identifies how these structural factors impact catalytic pathways, enhancing selective electron
Wenjie Tian +7 more
wiley +1 more source
The aim of our work was to prepare nanoscale composites based on TiO2 and carbon photocatalytically active under UV and visible irradiation in the destruction of safranin T. The samples were characterized by XRD, BET, SEM, UV-Vis and IR spectroscopy.
M. V. Bondarenko +3 more
doaj +1 more source
Adsorption-Based Hydrogen Storage in Activated Carbons and Model Carbon Structures
The experimental data on hydrogen adsorption on five nanoporous activated carbons (ACs) of various origins measured over the temperature range of 303–363 K and pressures up to 20 MPa were compared with the predictions of hydrogen density in the slit-like
Anatoly Fomkin +7 more
doaj +1 more source
Phosphorus sorption, accumulation and leaching [PDF]
Arable land is a major diffuse source of P loads to surface waters. The main processes for P losses from agricultural fields are erosion, surface runoff and subsurface leaching.
Börling, Katarina
core
Solution‐processed Cu(bdc) forms prototypical MOF thin films for which a multitude of not fully satisfactory structural models have been suggested. Combining rotating grazing‐incidence diffraction and X‐ray reflectivity on two complementary samples with density‐functional theory, we first discard the previously suggested models and then identify a non ...
Narges Taghizade +7 more
wiley +1 more source

