Bakelite resin which is produced by reacting phenol with formaldehyde is used to bind wood fibres in pressed wood such as medium-density fibreboard (MDF) and formica.
酚醛树脂是通过对酚醛甲醛起反应而合成，通常用于加压木质纤维来制造中密度纤维板(MDF)和福米卡家具塑料贴面。
The expansion of cold-pressed dehulled cake can destroy the cellular structure, increase bulk density, and improve solvent extracting performance obviously.
通过膨化处理破坏了菜籽仁冷榨饼的细胞组织结构，提高了物料的容重，显著改善了物料的浸出性能。
The results show that when the high-energy mechanical milling time increases, the relative density of pressed compact decreases gradually under the same compacting pressure.
结果表明，压制压力相同时，粉末压坯相对密度随高能球磨时间的延长而逐渐减小。
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