LONDON. Physical Society, June 25.— Dr. C. Chree, F.R.S., president, in the chair.—A transition point in zinc amalgam: Prof. H. S. Carhart. The paper gave the preliminary results of an investigation ...
HITHERTO all X-ray spectra have been obtained by using the body, the spectrum of which is to be examined, as an antikathode inside the tube. All the trouble of exhausting the tube, etc., can be ...
Dental amalgam tooth fillings do not adversely affect children's brain development and neurological status, researchers report in the Journal of the American Dental Association. Dental amalgam ...
Dental amalgam is a mixture of metals. About half of its weight is made up of a powdered alloy of silver, tin, and copper, with the other 50 percent being elemental mercury. Sometimes small amounts of ...
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