Sentence Examples with the word DETECTION

Some infections, however, seem to attack the mental fabric directly; intrinsic toxic processes which may be suspected on the detection of neurin and cholin in the fluids of the brain (F.

Botanik (1898), 32; Lee, The Microtomists Vade Mecum (London, 1900); Macallum, On the Detection and Localization of Phosphorus in Animal and Vegetable Cells, Proc. Roy.

A curious fact, which may be used for the detection of the minutest quantity of oils and fats, is that camphor crushed between layers of paper without having been touched with the fingers rotates when thrown on clean water, the rotation ceasing immediately when a trace of oil or fat is added, such as introduced by touching the water with a needle which has been passed previously through the hair.

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This section treats of the qualitative detection and separation of the metals, and the commoner methods employed in quantitative analysis.

Action in this case was optional, but after an interval of fifteen years the Police Act of 1856 made the rule compulsory, it being found that an efficient police force throughout England and Wales was necessary for the more effectual prevention and detection of crime, the suppression of vagrancy and the maintenance of good order.

He is said to have been concerned in a plot against a tyrant, and on its detection to have borne with exemplary constancy the tortures to which he was subjected; but authorities differ both as to the name and the residence of the tyrant and as to the circumstances and the issue of the enterprise.

It is evident that if the tables were complete, and our notions of the respective phenomena clear, the process of exclusion would be a merely mechanical counting out, and would infallibly lead to the detection of the cause or form.

The procedure for the detection of metals in solution consists of first separating them into groups and then examining each group separately.

The system, however, does not assist in the detection of the leakage which inevitably occurs between the reservoir and the consumer's meter; thus the whole of the mains, joints and ferrules connecting the service pipes with the mains, and the greater parts of the service pipes, are still exposed to leakage without any compensating return to the water authority.

The discovery of a single fossil creature in a geological stratum of a wrong period, the detection of a single anatomical or physiological fact irreconcilable with origin by descent with modification, would have been destructive of the theory and would have made the reputation of the observer.