This paper had investigated fiber form and crystalline degree of Larix kaempferi in different tree age and different vertical location within a stem.
为深入了解日本落叶松的纤维特性,该研究对不同树龄和不同部位日本落叶松的纤维形态和纤维素结晶度进行了分析。
Taking chemical compositions and fiber shape into account, 12-year and 15-year Larix kaempferi have some advantages over those older than 20 years in papermaking.
从化学组成与纤维特性分析来看,12年生和15年生日本落叶松较20年以上树龄的日本落叶松对制浆造纸更为有利。
By means of measuring integrated factors of growth volume, selected and bred 5 elite clones introduced from 36 clone Larix kaempferi in Liaoning Forest Management Institute which covered by 13.9%;
通过测定生长量综合因素,从辽宁森林经营研究所引进的36个无性系中,选育出优良无性系5个,占13·9%。
The forest crown interception precipitation, the penetration speed of soil, and the surface runoff of Larix Kaempferi forests in Funiu Mountain in Western Henan Province were measured in this paper.
测定了豫西伏牛山区日本落叶松林的林冠截流降雨、土壤渗透速度和地表径流。
The forest crown interception precipitation, the penetration speed of soil, and the surface runoff of Larix Kaempferi forests in Funiu Mountain in Western Henan Province were measured in this paper.
测定了豫西伏牛山区日本落叶松林的林冠截流降雨、土壤渗透速度和地表径流。
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