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- Publications
- Influence
Optical activity of oriented molecules
- A. D. Buckingham, M. B. Dunn
- Physics
- 1971
The established theory of optical activity relates the activity to the mean electric dipole induced by the time-derivative of the magnetic field of the light wave and to the associated mean magnetic… Expand
An N.M.R. study of molecular motion in solid trimethylaminegallane
- M. B. Dunn, C. A. Mcdowell
- Chemistry
- 1 November 1972
Continuous wave and pulsed 1H N.M.R. data have been obtained for solid H3GaN(CH3)3 over the temperature range 63–300 K. A theoretical expression for the relaxation behaviour of a methyl group in a… Expand
The addition of optically active compounds to nematic liquid crystals
- A. D. Buckingham, Gerald P. Ceasar, M. B. Dunn
- Materials Science
- 1 August 1969
Abstract Addition of small optically active solute molecules to nematic liquid crystals leads to a continuous change to a cholesteric mesophase. Thus nematic mesophases are not suitable for orienting… Expand
NMR lineshapes of ammonium ions undergoing quantum mechanical tunnelling in the solid state at low temperatures
- M. B. Dunn, R. Ikeda, C. A. Mcdowell
- Chemistry
- 1 October 1972
Abstract Calculations have been made of the 1H NMR powder lineshape of ammonium ions undergoing quantum mechanical tunnelling through the potential barrier to reorientation in the solid state.… Expand
The effect of lanthanide shift reagents on the NMR spectra of molecules partially oriented in a nematic phase: Pyridine
- I. Armitage, E. Burnell, M. B. Dunn, L. D. Hall, R. B. Malcolm
- Chemistry
- 1 February 1974
Abstract Results of a study of pyridine oriented in a nematic phase in the presence of the lanthanide shift reagent, tris (dipivalomethanato) europium(III) are reported. The shift reagent does not… Expand
RICHARDS BAY COAL TERMINAL
- M. B. Dunn
- Engineering
- 1980
Terminals form part of the transportation chain from producer to consumer in the world-wide conveyance of bulk commodities. As such, they are a vital link in providing a buffer between widely… Expand
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APPLICATIONS OF CURRENT MATERIALS TO HOT AIRFRAME DESIGN
- M. B. Dunn, M. D. Musgrove, O. T. Ritchie
- Engineering
- 1959
N.M.R. studies of cis-1,2-difluoroethylene and vinyl fluoride in a nematic solvent
- A. D. Buckingham, M. B. Dunn
- Chemistry
- 1 November 1970
Nuclear spin relaxation of sulphur hexafluoride in its clathrate deuterate
- M. B. Dunn, C. A. Mcdowell
- Chemistry
- 1 September 1972
Abstract 19 F spin-lattice relaxation time data for the sulphur hexafluoride clathrate deuterate over the temperature range 40-250 °K have been analysed in terms of relaxation by both dipole—dipole… Expand
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