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Word: nitrogen (lookup in dictionary) (lookup stats)
Dates: during 1930-1939
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Usage:

...three years Biochemist William Gumming Rose and his associates at University of Illinois have fed artificially-made food to white rats. Of the ingredients in natural food only the proteins furnish nitrogen available for tissue building. Chemists have broken down the proteins into more than 20 simpler compounds called amino acids. Dr. Rose accordingly prepared and purified all the amino acids he knew of, fed them to baby rats together with synthetic carbohydrates, fats, salts and vitamins. Something was lacking. The animals failed to grow, wasted away, died. Then Dr. Rose succeeded in isolating another protein component: alpha -amino -beta...

Author: /time Magazine | Title: Science: Rats | 4/6/1936 | See Source »

...tampered with, Dr. Robert Williams Wood of Johns Hopkins exhibited a lantern slide depicting the impression of an apple leaf driven into solid steel by guncotton, declared the detonation in a tube of nitroglycerin proceeds at four mi. per sec., described a new explosive, iodide of nitrogen, which is so skittish that the landing of a housefly sets...

Author: /time Magazine | Title: Science: Savants in St. Louis | 1/13/1936 | See Source »

...instantaneously. It has two kinds of uses: cutting metal, as in scrapping locomotives, battleships; welding metal, in which the oxyacetylene flame fuses the parts to be joined together. Air Reduction is so called because it reduces air-that is, it separates air into its major components, primarily oxygen and nitrogen...

Author: /time Magazine | Title: Business & Finance: Air Split | 12/9/1935 | See Source »

...they circulated growth-activating fluids which Dr. Lillian Eloise Baker of the Rockefeller Institute supplied them, containing blood serum, insulin, thyroxine, vitamin A, vitamin C, etc. The ''lungs'' of the apparatus refreshed the "blood" with a steady injection of air composed of 40% oxygen, 3% carbon dioxide, the balance nitrogen. The whole apparatus was kept at blood heat in an incubator, was rocked so that "blood" pulsed through the organ, almost exactly as in life...

Author: /time Magazine | Title: Medicine: Glass Heart | 7/1/1935 | See Source »

...myth has it that neither Mr. Weber nor any of his directors had ever been inside Allied's great atmospheric nitrogen works at Hopewell, Va. A more authentic tale is that, while in Germany, Mr. Weber politely refused an invitation to inspect the famed nitrogen fixation plant of I. G. Farbenindustrie because he felt he could not return the courtesy. Instead he tramped some five miles around the plant -outside...

Author: /time Magazine | Title: Business & Finance: Weber Withdraws | 5/27/1935 | See Source »

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