硬杂木

对辽宁东部山区次生林中的混合硬杂木，利用APMP制浆方法进行了研究。

This paper reports the study of APMP using mixed hardwood , which grows in the secondary forest in Liaoning eastern mountain area .

12种木醋液中硬杂木锯末木醋蒸馏液pH值最低，有机酸含量（以HAc计）最高。

Among twelve kinds of wood vinegar , the pH value for mixed hardwood sawdust wood vinegar after distilling was lowest , while the organic acid content ( calculated as HAc ) was highest .

难干硬杂木干燥缺陷成因与对策

Causes of Drying Defect of Difficult-to-dry Hardwood and Its Countermeasures

对硬杂木硫酸盐浆的少氯漂白进行了研究。

In this paper , less chlorine bleaching of mixed hardwoods kraft pulp was investigated .

用东北硬杂木制取磺化化学机械浆

Chemimechanical Pulp from Mixed Hardwoods

应用正交设计的方法，针对硬杂木在盘式削片机上进行了9次试验。

By taking hardwood as cutting material , nine cutting tests on discal chipping machine were conducted by orthogonal design .

一般说来，硬杂木与杨木、桐木等密度小的木料相比，在相同炭化的温度下，前者的含碳量高于后者。

In general , hard and Zamu Poplar , such as Paulownia wood density compared to the same carbonization temperature , carbon content of the former than the latter .