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1)  Populus×Deltosinonipyramidalis
窄冠黑青杨
2)  narrow crown black poplar
窄冠黑杨
1.
In our study, it is proved that the heart wood proportionment of narrow crown black poplars and narrow crown black-white poplar is small, which makes for improving pulp brightness.
研究证明所育成的窄冠黑杨、窄冠黑白杨心材的比例小 ,颜色浅 ,有利于提高制浆的白度 ,木材的基本密度随树高而增大 ,木材纤维长度与树高的关系不大 ,但随年龄的增大而增长 ,纤维长度 5年生时基本稳定 ,可达 1mm。
2.
We have selected 6 cultivars of narrow crown black poplar and one narrow crown black-white poplar through cross breeding , choosing young seeding and clones test.
通过杂交育种 ,苗期选择 ,无性系测定 ,选出了 6个窄冠黑杨 ,1个窄冠黑白杨无性系。
3)  narrow-crown Poplar Aigeiros 11
窄冠杨黑11
1.
A primary research on pulping properties of narrow-crown poplar Aigeiros 11;
窄冠杨黑11制浆性能初探
2.
The fiber morphology and pulping properties of narrow-crown Poplar Aigeiros 11 at different ages were studied.
对不同树龄窄冠杨黑11的纤维形态与制浆性能进行了研究。
4)  narrow crown black-white poplar
窄冠黑白杨
1.
In our study, it is proved that the heart wood proportionment of narrow crown black poplars and narrow crown black-white poplar is small, which makes for improving pulp brightness.
研究证明所育成的窄冠黑杨、窄冠黑白杨心材的比例小 ,颜色浅 ,有利于提高制浆的白度 ,木材的基本密度随树高而增大 ,木材纤维长度与树高的关系不大 ,但随年龄的增大而增长 ,纤维长度 5年生时基本稳定 ,可达 1mm。
2.
We have selected 6 cultivars of narrow crown black poplar and one narrow crown black-white poplar through cross breeding , choosing young seeding and clones test.
通过杂交育种 ,苗期选择 ,无性系测定 ,选出了 6个窄冠黑杨 ,1个窄冠黑白杨无性系。
5)  populus leucopyramidalis
窄冠白杨
6)  Poplar with narrow crown
窄冠杨
补充资料:黑窄
1.黑而狭小。
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