Fig. 4 Flow chart of pentosan analysis – Orcinol spectrophotometric method.
圖4:聚戊醣析法流程圖—甲酚光度法。
Fig. 4 Flow chart of pentosan analysis – Orcinol spectrophotometric method.
圖4:聚戊醣析法流程圖—甲酚光度法。
Fig. 4 Flow chart of pentosan analysis - Orcinol spectrophotometric method.
图4:聚戊醣析法流程图—间甲酚光度法.
In different harvesting seasons, the lignin, holocellulose and pentosan contents in bamboos didn''t change too much.
至于同为化学主要组成木质素、全纤维素、聚戊醣等成,则没有季节变化。
That means the birch from high longitude and latitude areas will have lower content of the ash, extraction and lignin, higher content of the holocellulose and pentosan in the wood.
这表明,选择较高经纬度地区,可以降低灰、抽出物、木素含量,提高综纤维素和聚戊糖含量。
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