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The catalyst preparation conditions were optimized by orthogonal layout method and single - factor experimental analysis.
通过正交实验筛选催化剂制备条件,单因素实验优化制得催化剂.
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A new vinyl polymer retanning agent has been synthesized by using orthogonal layout.
通过正交试验,合成了一种新型乙烯基类复鞣剂.
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