Macroparticle multihole PTFE which is made for a new hydrophobic catalyst supporter is prepared by dissolving the reagent for hole.
本文叙述用溶出法制备作为疏水化催化剂担体的多孔大粒ptfe树脂。
Several technical problems in arc source design, including arc mode, arc polarity, ignition mechanism and arc confinement and macroparticle reduction were discussed.