用SPEX冷冻研磨机低温研磨聚合物而造成的结构变化
One goal in materials research is to develop
new synthetic materials with characteristics
that cannot be accomplished by the usual
smelting process, as the polymers tend to
separate during the heating process. SPEX6770 全自动冷冻研磨机 SPEX6870 全自动冷冻研磨机 SPEX6970EFM 冷冻研磨机