The results showed that the lignin in the unbleached pulp was mainly composed of syringyl lignin (S-lignin) and guaiacyl lignin (G-lignin).
结果表明未漂浆中主要存在紫丁香基木素和愈疮木基木素，漂白过程中缩合的愈疮木基木素溶出相对较少。
Compared with sulphate pulping process, neutral ammonium sulphite process had the advantages of higher yield and whiteness of unbleached pulp.
与硫酸盐制浆相比，中性亚铵法制浆工艺具有得率高和浆料颜色浅等特点。
Non-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。
Coniferous chemical wood pulp, sulphite other than dissolving grades, unbleached.
针叶树亚硫酸盐化学木浆，溶解级除外，未漂白。
The unbleached kraft pulp was dealt with a high-shear fiber kneader, moreover, the pulp properties and paper strength properties were measured.
用高剪切纤维离解机对未漂白硫酸盐浆进行处理，并测定了纸浆的性能和浆张物理性能。
The dynamic mechanical properties of three kinds of paper cone material, including bleached softwood kraft pulp, bleached cotton pulp and unbleached hemp pulp were studied.
利用动态力学分析仪研究了纸质振膜材料的动态力学性能，以及打浆、纸浆种类和化学助剂对纸质振膜材料的密度、弹性模量和损耗因子的影响。
The change in brittleness of unbleached wheat straw pulp avd the reasons during beating in a PFI mill are investigated in this work.
本文研究了打浆过程中麦草浆的脆性变化及其原因。
The change in brittleness of unbleached wheat straw pulp avd the reasons during beating in a PFI mill are investigated in this work.
本文研究了打浆过程中麦草浆的脆性变化及其原因。
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