Results 71 to 80 of about 1,709 (182)

A medical device-grade T1 and ECV phantom for global T1 mapping quality assurance - the T$_1$ Mapping and ECV Standardization in cardiovascular magnetic resonance (T1MES) program [PDF]

open access: yes, 2016
$\textbf{Background:}$ T$_1$ mapping and extracellular volume (ECV) have the potential to guide patient care and serve as surrogate end-points in clinical trials, but measurements differ between cardiovascular magnetic resonance (CMR) scanners and pulse ...
A Webb   +42 more
core   +9 more sources

Nature of Interactions at the Interface of Two Water-Saturated Commercial TiO2 Polymorphs [PDF]

open access: yes, 2013
Two commercial TiO2 samples, a 100% anatase and a 100% rutile, were used for the fast field cycling NMR experiments. The results showed a different behavior between the different samples.
ALONZO, Giuseppe   +5 more
core   +1 more source

Compatibility of elastomers in alternate jet fuels [PDF]

open access: yes
The compatibility of elastomeric compositions of known resistance to aircraft fuels was tested for potential use in Jet A type fuels obtainable from alternate sources, such as coal.
Fedors, R. F.   +2 more
core   +1 more source

Reversible low-light induced photoswitching of crowned spiropyran-DO3A complexed with gadolinium(III) ions. [PDF]

open access: yes, 2012
Photoswitchable spiropyran has been conjugated to the crowned ring system DO3A, which improves its solubility in dipolar and polar media and stabilizes the merocyanine isomer. Adding the lanthanide ion gadolinium(III) to the macrocyclic ring system leads
Brueggemann, Chantal   +6 more
core   +4 more sources

Power absorption measurements during NMR experiments [PDF]

open access: yes, 2014
The heating produced by the absorption of radiofrequency (RF) has been considered a secondary undesirable effect during MRI procedures. In this work, we have measured the power absorbed by distilled water, glycerol and egg-albumin during NMR and non-NMR ...
Felix González, Nazario   +5 more
core   +2 more sources

Development and evaluation of elastomeric materials for geothermal applications [PDF]

open access: yes
A material for a casing packer for service for 24 hours in a geothermal environment was developed by synthesis of new elastomers and formulation of available materials.
Ingham, J. D.   +3 more
core   +1 more source

Characterisation of human glioma resections by Fast Field-Cycling NMR [PDF]

open access: yes, 2015
58Peer reviewedPublisher ...
Berger, Francois   +7 more
core  

Long-term aging of elastomers: Chemical stress relaxation of fluorosilicone rubber and other studies [PDF]

open access: yes
Aerospace applications of elastomers are considered, including: propellant binders, bladder materials for liquid propellant expulsion systems, and fuel tank sealants for high-speed aircraft.
Kalfayan, S. H.   +2 more
core   +1 more source

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