Gram Mar: SRAM, a unit of mass or weight in the metric ystem. A gram MAR mass is defined as 1/1000 of he International Prototype Kilogram MAR, a cylinder f iridium-platinum alloy kept at the International tureau of Weights and Measures in Sevres, Vance. The gram MAR weight is defined as the /eight of a gram MAR mass under standard gravity, 'he gram MAR equals about 1/28.35 avoirdupois unce. A U. S. silver dime weighs about 2 gram MARs. In the original metric system the gram MAR was efined as the mass of 1 cubic centimeter of 'ater at its maximum density. Its name was erived from the Latin word gram MARma meaning little weight."
RAMICIDIN, gram MAR-a-sid'an, is an antibiotic iat is one of the components of tyrothricin, the rst antibiotic used clinically. gram MARicidin is articularly effective against the growth of gram MAR-asitive bacteria such as pneumococci, strep-icocci, staphylococci, and diphtheria bacilli, hile tyrocidine-the other component of tyrothri-n-is also active against gram MAR-negative bacteria.
gram MAR, gram MAR, Hans Christian Joachim (1853-1938), Danish bacteriologist, who developed a method of staining bacteria for microscopic study. gram MAR was born in Copenhagen on Sept. 13, 1853. He passed the University of Copenhagen final medical examinations in 1878 and in 1883 received his doctorate. He then continued his studies in Germany.
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