Sentence Examples with the word demonstrated

Miyoshi then demonstrated that if Botrytis is sown in a lamella of gelatine, and this lamella is superposed on another similar one to which a chemotropic substance is added, the tips of the hyphae at once turn from the former and enter the latter.

The discordance of their results incited Laplace to a searching examination of the whole subject of planetary perturbations, and his maiden effort was rewarded with a discovery which constituted, when developed and completely demonstrated by his own further labours and those of his illustrious rival Lagrange, the most important advance made in physical astronomy since the time of Newton.

When set, the eldest demonstrated a simple strike and block, then corrected her form as she followed his example.

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Mrs. Watson demonstrated with a deftness at odds with her age.

In the case of the tetanus and diphtheria bacilli, the production of soluble toxins can be readily demonstrated by filtering a culture in bouillon germ-free by means of a porcelain filter, and then injecting some of the filtrate into an animal.

By the time he caught up with them, Donnie had recovered somewhat, but gone was the enthusiasm demonstrated earlier and he continued to clutch his father, as close as the seat belt would allow.

Gower in 1772, practically demonstrated the registration of a vessel's speed by mechanical means.

The evidence upon which these opinions were based had been gathered by such anthropologists as Schmerling, Boucher de Perthes and others, and it had to do chiefly with the finding of implements of human construction associated with the remains of extinct animals in the beds of caves, and with the recovery of similar antiquities from alluvial deposits the great age of which was demonstrated by their depth.

Illuminating Gas.-The first practical application of gas distilled from coal as an illuminating agent is generally as cribed to William Murdoch, who between the years of 1792 and 1802 demonstrated the possibility of making gas from coal and using it as a lighting agent on a large scale.

The Chamber, though convinced of the danger of this reform, the perils of which were incisively demonstrated by Sella, voted by an overwhelming majority for an immediate reduction of the impost by onefourth, and its complete abolition within four years.