Word: carbonates
(lookup in dictionary)
(lookup stats)
Dates: during 1920-1929
Sort By: most recent first
(reverse)
...steels contained small amounts of molybdenum. However, the presence of molybdenum was accident. Mineralogists did not recognize it as a metal until the 1790's. Metallurgists did not introduce its hardening properties to a steel alloy until very recently. Pure iron is a relatively soft metal. A little carbon added yields hard steel. Steel plus a trifle of manganese gives an alloy hard enough, when fabricated into rails, to support heavy subway traffic. If with manganese steel a bit of molybdenum is mixed, the alloyed steel is still harder. G. M. Eaton of Molybdenum Corp. of America advised railroads...
Deep Breathing & High Blood Pressure. Slow, deep breathing decreases the blood pressure of patients suffering from essential hypertension (high blood pres sure), Vienna's Wilhelm Raab reported, because thus they eliminate more than normal carbon dioxide from their blood. This does not apply to normal people or those suffering from nephritis with high blood pressure...
...Wilmer Stultz, the trans-Atlantic flyer, pronounced drunk after he killed himself recently (TIME, July 15, 1929). In the living person the test must be made very soon after he is charged with being drunk to have value, because alcohol oxides rapidly, and disappears from the system as carbon dioxide and water...
Ultraviolet rays, whether from the sun or from mercury or carbon lamps, prevent and cure rickets, are valuable for general well being. But too much of them can cause deep burns and nervousness. They are suspected as the remote cause of other ailments. It has been impossible to measure the exact amount given off by their source (sun or lamps) and to manage their dosage...
Union Carbide & Carbon Corp., offered managing executives and trustees 38,189 shares at $55 and 44,635 shares at $50. The employe contributes 10% of his "compensation" and the company a sum equal to 20% of employe's "compensation," or 30% if the employe has been five years with Union Carbide & Carbon. The company's stock closed last week...