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 is the process by which atmospheric nitrogen is converted either by a natural or an industrial means to a form of nitrogen such as ammonia. In nature, most nitrogen is harvested from the atmosphere by microorganisms (see above) to form ammonia, nitrites, and nitrates that can be used by plants.