The new urea formaldehyde resin for plywood was developed, by using a specifically designed, advanced synthesis process with two modifiers added in its final stage.
此种新开发的脲醛树脂，采用特定的先进合成工艺和加入两种改性剂研制而成。
From the design of epoxy resin system, two-stage rigidization epoxy resin matrix with thermal induced shape memory property was prepared.
本文制备了可二阶段固化的形状记忆环氧树脂基体，研究了形状记忆环氧树脂及其复合材料的形状记忆特性和力学性能。
The technology of nonylphenol production is using strong acidic cation resin DC604, C104 as catalysts and two-stage fixed reactor in the nonylphenol plant of Heilongjiang Petrochemical Works.
黑龙江石油化工厂壬基酚装置以强酸性阳离子交换树脂d C604、C104作催化剂，采用二段式固定床反应器流程合成壬基酚的工艺。
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