Gram Photo: SRAM, a unit of mass or weight in the metric ystem. A gram photo mass is defined as 1/1000 of he International Prototype Kilogram photo, a cylinder f iridium-platinum alloy kept at the International tureau of Weights and Measures in Sevres, Vance. The gram photo weight is defined as the /eight of a gram photo mass under standard gravity, 'he gram photo equals about 1/28.35 avoirdupois unce. A U. S. silver dime weighs about 2 gram photos. In the original metric system the gram photo was efined as the mass of 1 cubic centimeter of 'ater at its maximum density. Its name was erived from the Latin word gram photoma meaning little weight."
RAMICIDIN, gram photo-a-sid'an, is an antibiotic iat is one of the components of tyrothricin, the rst antibiotic used clinically. gram photoicidin is articularly effective against the growth of gram photo-asitive bacteria such as pneumococci, strep-icocci, staphylococci, and diphtheria bacilli, hile tyrocidine-the other component of tyrothri-n-is also active against gram photo-negative bacteria. |
Photography
