Drying Rate Measurements in Convection- and Diffusion-Driven Conditions on a Shaly Sandstone Using Nuclear Magnetic Resonance

2011 ◽  
Vol 90 (3) ◽  
pp. 1001-1016 ◽  
Author(s):  
Y. Peysson ◽  
M. Fleury ◽  
V. Blázquez-Pascual
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Drying Rate ◽  
Shaly Sandstone ◽  
And Diffusion ◽  
Nuclear Magnetic

Water migration in poplar wood during microwave drying studied by time domain nuclear magnetic resonance (TD-NMR)

Holzforschung ◽  
2017 ◽  
Vol 71 (11) ◽  
pp. 881-887 ◽  
Author(s):  
Xinyu Li ◽  
Yulei Gao ◽  
Minghui Zhang ◽  
Ximing Wang ◽  
Xinyue Wei
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Time Domain ◽  
Bound Water ◽  
Free Water ◽  
Microwave Drying ◽  
Drying Rate ◽  
Drying Time ◽  
The Time Domain ◽  
Nuclear Magnetic

AbstractThe migration of bound water and free water has been investigated during microwave drying of wood by the time domain nuclear magnetic resonance (TD-NMR) technique. Both the heartwood (hW) and sapwood (sW) of Beijing poplar (Populus beijingensisW. Y. Hsu) and Qingpi poplar (Populus platyphyllaT. Y. Sun) were studied. The microwave drying is characterized by a fast drying rate, and there is a linear relation between moisture content (MC) and microwave drying time (t). The drying rate of free water is about 2.7 times more rapid than that of bound water. The spin-spin relaxation time (T2) revealed that most of the water was free water situated in smaller pores. The irregular T2 signal amplitudes of free water in hWs indicated that fractional water in smaller pores was transferred into bigger pores during drying.

Pulsed Field Gradient Nuclear Magnetic Resonance and Diffusion Analysis in Battery Research

2021 ◽  
Author(s):  
Kee Sung Han ◽  
J. David Bazak ◽  
Ying Chen ◽  
Trent R. Graham ◽  
Nancy M. Washton ◽  
...  
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Field Gradient ◽  
Pulsed Field ◽  
Diffusion Analysis ◽  
And Diffusion ◽  
Nuclear Magnetic

Dynamics of the ionic liquid 1-butyl-3-methylimidazolium bis(trifluoromethylsulphonyl)imide studied by nuclear magnetic resonance dispersion and diffusion

2015 ◽  
Vol 17 (3) ◽  
pp. 1653-1659 ◽  
Author(s):  
Amin Ordikhani Seyedlar ◽  
Siegfried Stapf ◽  
Carlos Mattea
Keyword(s):  
Molecular Dynamics ◽  
Nuclear Magnetic Resonance ◽  
Ionic Liquid ◽  
Magnetic Resonance ◽  
And Diffusion ◽  
Nuclear Magnetic

NMR was used to study the dynamics of the ionic liquid Bmim-Tf2N in the supercooled regime. Rotation and translation molecular dynamics exhibit a transition at Tc∼1.26 Tg.

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