radical radical of group

A-Bomb (=atomic bomb)

H-bomb (hydrogen bomb)

hydrogen bomb (H-bomb)

(．)OH radical

(free-)radical copolymerization

． OH radical

．OH free radical

．OH radical

“ Living”radical polymerization

“Living” radical polymerization

■H radical

·CH2SH radical

·OH free radical

·OH radical

·Oxygen radical

1-Diphenyl-2-picrylhydrazyl DPPH free radical

1-diphenyl-2-picrylhydrazyl radical scavenging act

2-diphenyl-1-pierylhydrazyl DPPH radical