Results 31 to 40 of about 11,632,967 (345)

Dynamic reservoir-condition microtomography of reactive transport in complex carbonates: effect of initial pore structure and initial brine pH [PDF]

open access: yes, 2017
We study the impact of brine acidity and initial pore structure on the dynamics of fluid/solid reaction at high Péclet numbers and low Damköhler numbers.
Bijeljic, B, Blunt, M, Menke, HP
core   +1 more source

Rate controls on silicate dissolution in cementitious environments

open access: yesRILEM Technical Letters, 2017
The dissolution rate of silicate minerals and glasses in alkaline environments is of importance in cementitious systems due to its influences on: (a) early-age reactivity that affects the rate of strength gain and microstructure formation, and/or, (b ...
Tandre Oey   +6 more
doaj   +1 more source

Hydrous Manganese Oxide Doped Gel Probe Sampler for Measuring In Situ Reductive Dissolution Rates. 2. Field Deployment [PDF]

open access: yes, 2010
In situ rates of reductive dissolution in submerged shoreline sediments at Lake Tegel (Berlin, Germany) were measured with a novel hydrous manganese (Mn) oxide-doped gel probe sampler in concert with equilibrium gel probe and sequential extraction ...
Farnsworth, Claire E.   +3 more
core   +2 more sources

Diffusion-controlled dissolution of a binary solid into a ternary liquid with partially-molten zone formation [PDF]

open access: yes, 2008
We build a theoretical model of equilibrium dissolution of a homogeneous, solid mixture of two salts A and B, KCl and NaCl being used as the type example, into an aqueous solution of the two salts, with diffusive transport.
Hatton, DC, Woods, AW
core   +2 more sources

Experimental study on the dissolution of supercritical CO2 in PS under different agitators

open access: yese-Polymers, 2021
In the continuous molding of microporous plastics, the polymer/CO2 homogeneous body needs to be formed in a very short time, which affects the subsequent bubble nucleation, bubble pore distribution, and growth, and is the key to the molding.
Wang Long, Huang Xingyuan, Liang Haifeng
doaj   +1 more source

NMR spectroscopy study of the structure of hypromellose phthalate, a component of enteric coatings of medicinal products

open access: yesРегуляторные исследования и экспертиза лекарственных средств, 2023
Scientific relevance. Hypromellose phthalate is a component of enteric coatings used to modify active substance release from oral medicinal products in the small intestine.
N. E. Kuz’mina   +4 more
doaj   +1 more source

Holistic approach to dissolution kinetics : linking direction-specific microscopic fluxes, local mass transport effects and global macroscopic rates from gypsum etch pit analysis [PDF]

open access: yes, 2013
Dissolution processes at single crystal surfaces often involve the initial formation and expansion of localized, characteristic (faceted) etch-pits at defects, in an otherwise comparatively unreactive surface.
Abendan   +95 more
core   +1 more source

An interlaboratory investigation of intrinsic dissolution rate determination using surface dissolution [PDF]

open access: yesEuropean Journal of Pharmaceutics and Biopharmaceutics, 2020
The purpose of this study was to conduct an interlaboratory ring-study, with six partners (academic and industrial), investigating the measurement of intrinsic dissolution rate (IDR) using surface dissolution imaging (SDI) equipment. Measurement of IDR is important in pharmaceutical research as it provides characterising information on drugs and their ...
Etherson, Kelly   +14 more
openaire   +4 more sources

Dual-barrel conductance micropipet as a new approach to the study of ionic crystal dissolution kinetics [PDF]

open access: yes, 2013
A new approach to the study of ionic crystal dissolution kinetics is described, based on the use of a dual-barrel theta conductance micropipet. The solution in the pipet is undersaturated with respect to the crystal of interest, and when the meniscus at ...
Alex W. Colburn   +60 more
core   +1 more source

Long-Term Cytotoxicity, pH and Dissolution Rate of AH Plus and MTA Fillapex.

open access: yesBrazilian Dental Journal, 2016
The aim of the present study was to verify the long-term cytotoxic effects of the MTA Fillapex and to compare them with AH Plus. Dissolution rate and pH were also evaluated.
E. Silva   +4 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy