本课题的目的是寻找二次纤维新闻纸的最佳印刷实地密度的实验方法，实现对彩色报纸印刷品图像再现质量的控制。
The purpose was to study the best printing solid density on secondary fibers newspaper, to realize the control of the image reappearance quality and improve secondary fibers newspaper's performance.
进行了酶与超声波协同作用对彩色胶版印刷新闻纸脱墨的研究。
A new process for deinking of colored offset newsprint with enzyme treatment in cooperation with ultrasonic wave was studied in this paper.
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