For your career, Betula forest without relying on heaven - sent, mainly by self - seeking.

适合你的事业, 白桦林不靠天赐, 主要靠 自我 寻找.

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Arimatsu economic timber , Parkinson , Chatham , Betula, Tilia, Green and other species.

经济用材林有松 、 柏、漆、桦 、 椴 、 青等树种.

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The microwave - assisted extraction ( MAE ) of betulin from Betula platyphylla Suk.

利用均匀设计法优化了微波辅助提取白桦树皮中桦木醇的工艺.

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To oak trees, Betula , Chatham, Yang and other broad - leaved forest dominated.

树种以栎 、 桦、漆 、 杨等阔叶林为主.

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In coMpetition with other accoMpanying species, the Betula luMinifera is a predoMinant tree at present.

另外,光皮桦在与其它主要伴生树种的竞争中, 目前处于优势地位.

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A new method of determining the antioxidant activity of betulin from betula bark is established.

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.

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In the zonal area from 500 to 700 m , plant community is Betula ovilifolia - Carex schmidtii - Sphagnum palustre community.

距河流500-700m的带状区域植物群落为油桦-臌囊苔草-泥炭藓群落.

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