造纸者最终发明出了多种机械、化学技术,利用木浆生产出了质地优良的纸张,原料供应(和破布不同)无限扩大。
Eventually, papermakers were able to invent a variety of mechanical and chemical techniques engineer decent-quality paper out of pulped wood, a supply that (unlike cloth rags) appeared limitless.
针叶树亚硫酸盐化学木浆,溶解级除外,未漂白。
Coniferous chemical wood pulp, sulphite other than dissolving grades, unbleached.
非针叶树亚硫酸盐化学木浆,溶解级除外,未漂白。
Non-coniferous chemical wood pulp, sulphite, other than dissolving grades, unbleached.
不含磨木浆:用化学方法制造,不含机械磨木的浆。
Woodfree pulp: pulp which is processed chemically and which contains no mechanical groundwood.
试验了氨基磺酸对马尾松硫酸盐化学木浆次氯酸盐漂白的影响。
Effect of Amino sulfonic acid on hypochlorite bleaching of Masson Pine kraft pulp was experimented.
研究了木聚糖酶预处理对木浆和草浆化学浆漂白的影响。
The effects of xylanase boosting bleaching of wood pulp and wheat straw pulp are investigated in this paper.
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.
经浓缩,脱糖或经过化学处理的木浆残余碱液,包括木素磺酸盐(妥尔油除外)
Residual lyes from the manufacture of wood pulp, concentrated, desugared or chemically treated, including lignin Sulphonates (excluding tall oil)
经浓缩,脱糖或经过化学处理的木浆残余碱液,包括木素磺酸盐(妥尔油除外)
Residual lyes from the manufacture of wood pulp, concentrated, desugared or chemically treated, including lignin Sulphonates (excluding tall oil)
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