In this work main chemical changes between green wood and air dried wood, heartwood and sapwood in their extractives of Picea jezoensis var. komarovii and Abies nephrolepis are studied.

• 研究长白鱼鳞云杉、臭冷杉的木材及其抽出物化学组成,并分析生材与气干材、心材与边材中各种化学组成变化的规律。