本文介绍了加拿大制浆造纸研究所研究的使用脱墨浆和机械浆时如何提高纸机抄造留着率的试验和结果。
The experiment and its results about how to increase the retention aids of newsprint papermaking using deinking and mechanical pulps from Paprican were introduced in this paper.
在对土壤与触土部件的粘附理论与测量装置研究的基础上，提出基于电子万能试验机进行纸膜与水田泥浆粘附性的测量方法。
On the basis of research on the adherence principle of soil and its covering materials as well as research on the measuring equipment, a new measuring method is proposed.
介绍了粒子表面电荷测定法的原理、试验步骤及在纸机湿部控制方面的用途。
The paper introduces the principle, testing procedure of particle charge measurement and its applications in the control of wet end chemistry.
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