Word: metalized
(lookup in dictionary)
(lookup stats)
Dates: during 1940-1949
Sort By: most recent first
(reverse)
Heretofore the only commercial source of alumina-the oxide from which the pure metal is produced-has been bauxite, about half of which is now imported from British and Dutch Guiana, since there are only some 13,000,000 tons of known high-grade bauxite deposits in the U.S.-about a three-year supply at the present rate of consumption...
...iron chloride (formed at the same time) are then removed with an ether. The remaining aluminum' chloride solution is then heated, aluminum is precipitated as hydrated oxide, and baking changes it to alumina ready to be electrolyzed by the Hall-Héroult process to produce the metal. The hydrochloric acid is recovered to be used again...
Into each of the 500-odd warplanes produced in the U.S. last week went many times as much magnesium as the total U.S. production of this soft, silvery metal in 1914. And thereby hangs a tale...
...aviation created a market for the world's least-wanted metal...
...would not let him stop, but dragged him along by his leash. The sentry, who was a great lover of animals, felt angry; he ordered the peddler to let the dog do what it wanted. The poor animal, which was evidently in difficulties, finally got rid of a silvery metal tube. Since the sentry had never heard that dogs were accustomed to excrete such articles, he was struck with amazement...