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Your search keyword '"Vinding, Mads S."' showing total 10 results
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10 results on '"Vinding, Mads S."'

5. Erratum to:Local SAR, global SAR, and power-constrained large-flip-angle pulses with optimal control and virtual observation points: SAR Constrained Large-Flip-Angle Pulses (Magnetic Resonance in Medicine, (2017), 77, 1, (374-384), 10.1002/mrm.26086)

Author

Vinding, Mads S., Guérin, Bastien, Vosegaard, Thomas, and Chr. Nielsen, Niels

Abstract

In MRM 2017; 77:374–384 reference number 26 is incorrect. It should have been: Yetisir F, Guérin B, Wald LL, Adalsteinsson E. Local and global SAR constrained large tip angle 3D kt points parallel transmit pulse design at 7 T. In proceedings of the 22nd Annual Meeting of ISMRM, Milan, Italy, 2014. Abstract 1454 instead of: Yetisir F, Guérin B, Wald LL, Adalsteinsson E. Direct control of the temperature rise in parallel transmission via temperature virtual observation points: simulations at 10.5T. In proceedings of the 22nd Annual Meeting of ISMRM, Milan, Italy, 2014. Abstract 0548.

Published
2019

9. NMR Sensor for Onboard Ship Detection of Catalytic Fines in Marine Fuel Oils.

Author

Sørensen, Morten K., Vinding, Mads S., Bakharev, Oleg N., Nesgaard, Tomas, Jensen, Ole, and Nielsen, Niels Chr.

Subjects
*DETECTORS, *NUCLEAR magnetic resonance, *CATALYTIC cracking, *PETROLEUM as fuel, *ALUMINUM silicates, *ZEOLITES
Abstract

A mobile, low-field nuclear magnetic resonance (NMR) sensor for onboard, inline detection of catalytic fines in fuel oil in the shipping industry is presented as an alternative to onshore laboratory measurements. Catalytic fines (called cat fines) are aluminosilicate zeolite catalysts utilized in the oil cracking process at refineries. When present in fuel oil, cat fines cause abrasive wear of engine parts and may ultimately lead to engine breakdown with large economical consequences, thereby motivating methods for inline measurements. Here, we report on a robust, mobile, and low-cost 27Al NMR sensor for continuous online measurement of the level of catalytic fines in fuel oil onboard ships. The sensor enables accurate measurements of aluminum (catalytic fines) in ppm concentrations in good agreement with commercial laboratory reference measurements. [ABSTRACT FROM AUTHOR]

Published
2014
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