The first step in crosslinking process is generation. of free radicals, which can be through a chemical. reaction or radiation energy. Decomposition of. initiators which are normally peroxides, or high-. energy radiations abstracts hydrogen atom from the. backbone of polymer chain to produce free radicals.
Andrea McArdle. Andrea McArdle (born November 5, 1963) is an American singer and actress best known for originating the role of Annie in the Broadway musical Annie. Contents.
Annie J. Easley (April 23, 1933 â June 25, 2011) was an African-American computer scientist, mathematician, and rocket scientist. She worked for the Lewis Research Center of the National Aeronautics and Space Administration (NASA) and its predecessor, the National Advisory Committee for Aeronautics (NACA).