1.Six years old Jacaranda copaia wood was used as raw material for kraft pulping in lab.

1.对厄瓜多尔6花楹的化学成分进行了分析。

2.For example, in bondid hygrogram, the absolute humidity bleaching Board for up to 6%, and the absolute unbleached kraft paper up to 7.5% humidity.

2.例如，在相的湿量下，不染黑纸板的绝差湿量达6%，而未不染黑牛皮纸的绝差湿量达7.5%。

3.The changes in chemical structure of residual lignin in reed kraft pulp after treatment with a white rot fungus,Panus conchatus have been investigated in the present paper.

3.从元素组成,功能含量,结构单元团的比例和分子量及其分布等方面研究了物降解纤维素酶苇浆残余木素的性质。