In 1945 Hershey and Luria, working independently, demonstrated the occurrence of spontaneous mutation in both the bacteriophages and the host.
In chemical experiments, Dr. Benner and his colleagues have demonstrated the occurrence of many of the reactions in this path.
Results demonstrated the occurrence of four of the six target pollutants.
Corrosion rate measurements demonstrated the occurrence of steeply fast corrosion reaction on Mg alloy.
These studies demonstrated the occurrence of earthquakes probably stronger than X on the MMI scale in the past.
The emergence of this trait demonstrated the occurrence of structural adaptation in biofilm of AKS2 cells on polyethylene surface.
Pumping of the POFA with xenon lamps demonstrated the occurrence of stimulated emission inside the doped fibre.
Furthermore, several in vitro studies have demonstrated the occurrence of hypolipidaemic compounds in leaves of P. japonicum (Hsu and Yen 2007; Li et al. 2006).
Results demonstrated the occurrence of periodical and regular fluctuation of the surface temperatures in the cup and ball in accordance with the swing of the ball arm.
Study 2 had a high prevalence of weight stigma attitudes and demonstrated the occurrence of unhealthful eating and binge drinking behaviors.
Following the completion of the ion irradiation experiment, X-ray photoelectron spectroscopy and Fourier-transform infrared spectroscopy measurements of the films demonstrated the occurrence of silicon oxide deposition.
