摘要 ：以兴安落叶松锯末为主要提取原料，柱层析为基础单元建立了花旗松素的制备工艺。
Abstract : In this study, Larix gmelini sawdust was used as raw material for the purification of taxfolin with column process as the basic unit.
本书是对东北林业大学帽儿山实验林场老山实验站兴安落叶松人工林连续4年(2001- 2004)测定结果的综合概论。
This book is a conspectus of four years (2001-2004) study of a larch plantation at Laoshan station, Experimental Forestry Farm of Northeast Forestry University.
东北地区的大兴安岭、小兴安岭和长白山区，是中国最大的天然林区，到处是望不到边的红松、落叶松、黄花松等针叶林和白桦、柞树、水曲柳、杨树、榆树等阔叶林。
The Greater Hinggan, the Lesser Hinggan and the Changbai mountain ranges in the northeast are China's largest natural forest areas.
东北地区的大兴安岭、小兴安岭和长白山区，是中国最大的天然林区，到处是望不到边的红松、落叶松、黄花松等针叶林和白桦、柞树、水曲柳、杨树、榆树等阔叶林。
The Greater Hinggan, the Lesser Hinggan and the Changbai mountain ranges in the northeast are China's largest natural forest areas.
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