Results 51 to 60 of about 248,487 (165)

Diffusion Coefficient [PDF]

open access: yes, 2014
Citation: 'diffusion coefficient' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.D01719 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +2 more sources

On the Coefficient of Diffusion [PDF]

open access: yesProceedings of the Physical Society of London, 1907
n ...
openaire   +1 more source

Time-dependent gas dynamic diffusion process in shale matrix: model development and numerical analysis

open access: yesGeomechanics and Geophysics for Geo-Energy and Geo-Resources
Gas diffusion is a pivotal process during shale gas recovery, which is determined by diffusion coefficient to a large extent. In previous studies, the gas diffusion coefficient is generally assumed as a constant.
Rui Yang   +6 more
doaj   +1 more source

Application of Diffusion-Weighted Imaging in the Detection of Active Sacroiliitis and the Comparison of Apparent Diffusion Coefficient and Relative Apparent Diffusion Coefficient Values

open access: yesThe Turkish Journal of Gastroenterology, 2016
Objectives: This study aims to evaluate the role of diffusion-weighted imaging in detection of active sacroiliitis and compare the apparent diffusion coefficient (ADC) and normalized relative ADC (r-ADC) values by using vertebra and iliac wings as ...
İclal Erdem TOSLAK   +8 more
doaj  

Wet and dry cup test with hygroscopic materials: what do we really measure?

open access: yesInterPore Journal
Wet and dry cup tests are widely used to characterize the vapor permeability (or the apparent vapor diffusion coefficient) of construction materials. From a theoretical approach, we examined the transport characteristics of such tests in detail.
Yuliang Zou   +3 more
doaj   +1 more source

Computing diffusion coefficients in macromolecular simulations: the Diffusion Coefficient Tool for VMD [PDF]

open access: yesJournal of Open Source Software, 2019
Computing diffusion coefficients from classical molecular dynamics (MD) simulations is a common task when assessing solvent and lipid dynamics both in bulk and in confined regions. Solute-modulated lateral diffusion of lipids is especially interesting in biological membranes, where it plays a role in receptor activity and raft formation (Dainese et al.,
openaire   +4 more sources

Reservoir diffusion properties of the Longmaxi shale in Shizhu area, Southern Sichuan basin, China

open access: yesEnergy Exploration & Exploitation, 2018
Diffusion ability is an important indicator of shale gas reservoir quality. In this paper, the diffusion coefficient of the Longmaxi Formation is measured via the free hydrocarbon concentration method, and the diffusion ability, influencing factors, and ...
Si Chen   +4 more
doaj   +1 more source

Modelling chloride diffusion in concrete with influence of concrete stress state

open access: yesJournal of Civil Engineering and Management, 2017
Under coastal or marine conditions, chloride erosion is the major accelerating factor of reinforcement corrosion. Therefore, it is of vital importance to investigate the chloride diffusion model.
Jian Wang   +4 more
doaj   +1 more source

Role of diffusion MRI in characterizing benign and malignant breast lesions

open access: yesIndian Journal of Radiology and Imaging, 2009
Aims: The aim of this study was to evaluate the role of MRI based diffusion-weighted imaging (DWI) and the apparent diffusion coefficient (ADC) for characterizing breast lesions in Indian patients.
Palle Lalitha, Reddy Balaji
doaj  

Measurements of diffusion coefficient of methane in water/brine under high pressure

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 2018
The diffusion coefficient of methane in water plays an important role in the formation and dissociation of methane hydrate. However, most of the previous studies on the diffusion coefficient of methane in brine are performed at room temperature and low ...
Yen-An Chen   +5 more
doaj   +1 more source

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