用生烃模拟实验方法得到树皮煤的产烃率很高，是迄今已知的最好的煤成油烃源岩；
The hydrocarbon-generating simulation experiments proved that the hydrocarbon productivity of bark coal was very high, it being the best source rock of coal-formed oil known up to now.
建立了一种测定白桦树皮中白桦脂醇对羟自由基清除率的新方法。
A new method of determining the antioxidant activity of betulin from betula bark is established.
结果表明，以碱处理作为预处理可明显提高反硝化速率，碳源脱氮率均在96%以上（树皮除外）。
The results showed that the cellulose carbon source which was pretreated with alkali had better denitrification rate (up to 96%), apart from the wooden skin.
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