文章详细信息 关键词： 弱碱弱酸;;两性树脂;;吸附;;解吸附 [gap=495]Keywords: weak base-weak acid;amphoteric resin;absorption;desorption
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The urea-formaldehyde resin is formed by the reaction of urea, formaldehyde, aldehyde, one or more stabilizers and modifier according to the route of weak base-weak acid-weak base.
脲醛树脂 由尿素、甲醛、二醛和一种或多种稳定剂、改性剂，按照弱碱-弱酸-弱碱 的路线反应而得。
At last, compared with anti-S transform control, the inverse control has a better effect on the process changing from strong acid to weak acid or from strong base to weak base.
最后比较了逆模型控制和反s变换控制，逆模型控制有更好的效果，可以很好控制酸性到弱酸和碱性到弱碱的情况。
Applicable to weak base, weak acid, oli, especially resistant to abrasive medium.
适用于弱碱，弱酸，油类，尤其能耐研磨性介质。
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