Hydrogeology of the basement section and prior ground injection of pulp into it are described for the shafts of Zhangjimine.
介绍了张集矿立井基岩段水文地质和基岩地面预注浆的有关情况。
Treatment of ground pulp with lipase was investigated to reduce resin content of pulp.
本研究用脂肪酶对磨木浆进行处理,以降低浆料中树脂含量。
Compared with the original pulp, resin content of the treated ground pulp with lipase under optimum condition decreased by 52.58 % and strength of the treated pulp increased in varying degrees.
在脂肪酶最佳处理工艺条件下,磨木浆与原浆相比,树脂含量下降了52.58%,而强度均有不同程度的提高。
Both yields of ground wood timber and chemical pulp timber increase with increase of site index and planting density.
磨木浆材和化学浆材产量随立地指数和密度的增大而增加。
Both yields of ground wood timber and chemical pulp timber increase with increase of site index and planting density.
磨木浆材和化学浆材产量随立地指数和密度的增大而增加。
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