high polymer वाक्य

उदाहरण वाक्य

1. There were also attempts to fractionate synthetic high polymers; however, it was not until 1964, when J . C . Moore of the Dow Chemical Company published his work on the preparation of gel permeation chromatography ( GPC ) columns based on cross-linked polystyrene with controlled pore size, that a rapid increase of research activity in this field began.