同时，本文首次将近红外光谱技术引入三倍体毛白杨的分析中。
Meanwhile, the paper introduces Near-Infrared Spectroscopy to the analysis of triploid Populus tomentosa for the first time.
在黄泛沙地上进行毛白杨不同整地规格造林试验。
Poplar afforestation test with various soil preparation specifications was carried out in the sandy area of the Yellow River.
看到树叶子掉，我就想到九教前的毛白杨，高大的毛白杨。
Saw the leaves falling, reminded me there are many poplar trees before No. nine building, the tall and big poplar trees.
进行了84k杨和三倍体毛白杨的卡那霉素敏感性测定。
Kanamycin sensitivity tests for both poplar 84k and triploid white poplar were conducted.
这项试验为在风沙、干旱地区繁殖毛白杨开辟了一条新的途径。
This test has opened up a new way for breeding of Chinese White Pop- lar in windstorm, sandstorm and drought region.
本发明公开了一种毛白杨木质素单体合成基因4-CL及应用。
The invention discloses a Chinese white poplar lignin monomer synthesis gene 4-CL and an application thereof.
研究了不同浓度NAA处理对三倍体毛白杨试管苗切段扦插繁殖的影响。
A study was conducted on the effect of different concentration of NAA treatments on the cutting propagation of triploid Populus tomentosa testtube plantlet cuttings.
同时，首次将近红外光谱分析技术应用到三倍体毛白杨的材性分析中来。
Meanwhile, the paper introduces Near Infrared Spectroscopy to the analysis of triploid Populus tomentosa for the first time.
同时对三倍体毛白杨的化学成分、纤维形态及其对浆纸质量的影响进行了阐述。
The chemical compositiofiber configuration of triploid Chinese white poplar and their influences on the quality of pulp and paper are also discussed in the paper.
研究结果表明，采用浸沾套处理进行毛白杨硬枝扦插，平均成活率达95％以上。
The results of this experiments showed that the average survival rate was over 95%, by hard branch cutting with soaked dipped covered.
在三倍体毛白杨生长特性研究的基础上，系统分析了“林纸”产业化的关键技术。
On the basis of study of triploid Chinise White Popular's growth characters, key techniques of 'forest-paper' industrialization were analysed synthetically.
毛白杨是我国最重要的人工林树种之一，杨木资源在我国人造板工业中已经得到广泛利用。
As one of the most important plantation wood species in China, Poplar has been widely used in wood based panels industry.
研究结果表明了纳米二氧化硅对提高三倍体毛白杨木材的尺寸稳定性和硬度等性能具有潜在的功能。
It was shown by the results of the study that PF resins and UF resin with nano-SiO2 suspending in improved the dimensional stability and the hardness of wood.
对12年生5个毛白杨优良无性系（另1个作对照）胸高处木材的基本密度和纤维形态进行了测定分析。
Wood basic density and fiber morphological features in the breast-height position for512-year-old excellent clones of Populus tomentosa Carr. (1CK)were measured and analyzed in this paper.
中国林科院的韩一凡研究员告诉我们，北京从20年前开始种植毛白杨，北京目前70%的树木都是这一树种。
Han Yifan, a Chinese Academy of Forestry researcher, told us that Beijing began planting cottonwood poplar trees about 20 years ago and that about 70% of the city's trees are now this species.
成年毛白杨从上部至基部各部位组织的成熟程度减小，其中基部和其它各部位间的差异显著，上，中、下各部位间的差异不显著。
Mature degree minishs from upside to grass roots of grown poplar. Difference is markedness between grass roots and the other part.
成年毛白杨从上部至基部各部位组织的成熟程度减小，其中基部和其它各部位间的差异显著，上，中、下各部位间的差异不显著。
Mature degree minishs from upside to grass roots of grown poplar. Difference is markedness between grass roots and the other part.
应用推荐