Zobrazeno 1 - 10
of 12
pro vyhledávání: '"D. W. Ovenall"'
Autor:
D. W. Ovenall
Publikováno v:
The Journal of Chemical Physics. 38:2448-2454
The electron paramagnetic resonance (EPR) spectra of free radicals trapped in oriented samples of polytetrafluoroethylene, after high‐energy irradiation in vacuum, are dependent on the angle between the orientation direction and the direction of th
Publikováno v:
Journal of Polymer Science. 33:213-225
The breaking of polymer bonds in solutions of polystyrene, polyvinyl acetate, and polymethyl methacrylate in benzene and toluene while under the influence of ultrasonic irradiation has been studied by following the consumption of a radical scavenger,
Publikováno v:
Journal of Polymer Science. 33:207-212
Autor:
D. E. Hathway, R. A. Shaw, M. Martin-Smith, Y. Pocker, G. D. Meakins, J. S. Stephenson, H. J. Emeléus, J. D. Smith, R. J. W. Cremlyn, G. W. Kenner, J. Mather, Alexander Todd, D. F. Downing, D. Woodcock, E. Boyland, D. Manson, A. S. Dunn, A. Hanrahan, B. G. Gowenlock, P. Pritchard Jones, D. W. Ovenall, I. T. Millar, C. T. Mortimer, H. D. Springall
Publikováno v:
J. Chem. Soc.. :520-536
Autor:
D. W. Ovenall, F. W. Peaker
Publikováno v:
Die Makromolekulare Chemie. 33:237-243
The RAYLEIGH interferometer has been modified by incerting an extra set of stationary inclined plates in the fiduciary system. With this modification the instrument can be used to measure larger refractive index differences. One application of the us
Autor:
F. W. Peaker, D. W. Ovenall
Publikováno v:
Die Makromolekulare Chemie. 33:222-236
Further developments in the design of a light scattering instrument are described. E.M.I. photomultipler tubes, which are stable and sensitive, are used. These tubes have a plane front window which is of considerable advantage when the absolute calib
Publikováno v:
Journal of Applied Physics. 35:2254-2256
Publikováno v:
Chemischer Informationsdienst. 10
Publikováno v:
Journal of the American Chemical Society. 101:5074-5075
Publikováno v:
Journal of Scientific Instruments. 34:269-270
A description is given of a simple electronic stabilizer designed to supply an electromagnet with a current of 3 A, stable to one part in 3 × 104. Provision is made for the linear variation of this current with time.