The silver price is based in troy ounces and that means we need to multiply the metal price by .0321507466 to make the conversion to grams. $7.1507 is the rounded silver value for the 1916-1947 silver Walking Liberty half dollar on August 17, 2016.
fixation noun (INTEREST) âº [ 1  C ] the state of being unable to stop thinking about something or someone, or an unnaturally strong interest in something or someone: âº [ 2  U ] specialized medical the process of attaching or sewing something firmly in place.
nitrogen fixation. The process by which free nitrogen from the air is combined with other elements to form organic compounds that plants can use as nutrients. Cyanobacteria and certain other forms of bacteria, especially those that live in the roots of legumes, convert gaseous nitrogen into organic compounds.. The conversion of atmospheric nitrogen into compounds, such as ammonia, by natural agencies or various industrial processes. 2. The conversion by certain soil microorganisms, such as rhizobia, of atmospheric nitrogen into compounds that plants and other organisms can assimilate.