Local diffusion coefficient in crystals

1984 ◽  
Vol 40 (7) ◽  
pp. 209-215 ◽  
Author(s):  
E. Fuschini ◽  
A. Uguzzoni
Keyword(s):  
Diffusion Coefficient ◽  
Local Diffusion

scholarly journals EFFECT OF LOCAL DIFFUSION COEFFICIENT VARIATION ON SUBMONOLAYER GROWTH

1999 ◽  
Vol 48 (6) ◽  
pp. 1126
Author(s):  
TANG XIAO-MING ◽  
WEI SAI-ZHEN ◽  
MAO ZU-SUI ◽  
CHEN XIAO-FENG ◽  
ZHENG YONG-MIND
Keyword(s):  
Diffusion Coefficient ◽  
Coefficient Variation ◽  
Local Diffusion

Local diffusion coefficient of supercritical methane in activated carbon by molecular simulation

Carbon ◽  
2003 ◽  
Vol 41 (13) ◽  
pp. 2686-2689 ◽  
Author(s):  
Dapeng Cao ◽  
Xianren Zhang ◽  
Jianfeng Chen ◽  
Jimmy Yun
Keyword(s):  
Diffusion Coefficient ◽  
Activated Carbon ◽  
Molecular Simulation ◽  
Local Diffusion

scholarly journals Transport of neutral and charged nanorods across varying-section channels

Soft Matter ◽  
2021 ◽  
Author(s):  
Paolo Malgaretti ◽  
Jens Harting
Keyword(s):  
Diffusion Coefficient ◽  
Local Diffusion

We study the dynamics of neutral and charged rods embedded in varying-section channels. By means of systematic approximations, we derive the dependence of the local diffusion coefficient on both the...

Local diffusion coefficient measurements in shale using dynamic micro-computed tomography

Fuel ◽  
2017 ◽  
Vol 207 ◽  
pp. 312-322 ◽  
Author(s):  
Yulai Zhang ◽  
Peyman Mostaghimi ◽  
Andrew Fogden ◽  
Jill Middleton ◽  
Adrian Sheppard ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Diffusion Coefficient ◽  
Micro Computed Tomography ◽  
Local Diffusion

Magnetic Resonance Imaging (MRI) of Water Diffusion in 2-Hydroxyethyl Methacrylate (HEMA) Gels

2006 ◽  
Vol 930 ◽  
Author(s):  
Guy Raguin ◽  
Cibele V. Falkenberg ◽  
Shaurya Prakash ◽  
Heather R. FitzHenry ◽  
Glennys Mensing ◽  
...  
Keyword(s):  
Diffusion Coefficient ◽  
Water Content ◽  
Spin Echo ◽  
Free Water ◽  
Hydroxyethyl Methacrylate ◽  
Fundamental Study ◽  
Self Diffusion ◽  
Spin Echo Sequence ◽  
Local Diffusion ◽  
Local Water

ABSTRACTA fundamental study focusing on correlating the local water self-diffusion coefficient to the local free water content in 2-hydroxyethyl methacrylate (HEMA) gels was conducted. HEMA gels were synthesized with different nominal water content (50% to 90%). MRI measurements of local diffusion coefficient distribution and local water content profiles are conducted on a 600 MHz scanner. The local water content is measured via two spin-echo images with sufficiently long repetition time (TR) to eliminate T1-weighting and two values for the echo time (TE) in order to account for T2-weighting. The local diffusion coefficient is determined using a standard pulsed-field gradient spin-echo sequence. The measured local water content and diffusion coefficient data are compared with several single-parameter diffusion models for interstitial diffusion in the hydrogel (Makie-Meares, Stokes-Einstein, Brownian motion around overlapping spheres).

Brief-Measurements of Vapor Diffusion Coefficient

1954 ◽  
Vol 46 (11) ◽  
pp. 47-49 ◽  
Author(s):  
C.Y. Lee ◽  
C.R. Wilke
Keyword(s):  
Diffusion Coefficient ◽  
Vapor Diffusion
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