1) Wood basic density
木材基本密度
1.
Within tree variation in wood basic density and cellulose content of poplar clones;
杨树无性系木材基本密度和纤维素含量株内变异
2.
Study on inheritance and variation of wood basic density of paulownia clone;
泡桐无性系木材基本密度遗传变异研究
3.
This paper studied the wood basic density and tracheid form for 15 years pupltree of Masson pine plantations, with 5 different planting densities in Longli, Guizhou.
本文研究了龙里林场 5种造林密度、15年生马尾松纸浆林木材基本密度和管胞形态。
2) Basic density
木材基本密度
1.
The basic density(Dn) and the outer wood basic density(Do) of the increment core of the wood were also measured in laboratory.
使用对树木快速无损的检测仪器——Pilodyn,研究了日本落叶松9个家系间活立木材性的遗传差异,室内测定了整株木材基本密度(Db)和木材外侧基本密度(Do),对Pilodyn测定结果与木材密度作了统计分析。
2.
The standing tree of Larix kaempfri was penetrated with Pilodyn in both south and north directions in the field,and the wood basic density,fiber length and width of increment core were menstruated in laboratory.
木材基本密度对Pilodyn探测值的贡献率最大(40。
3) basic density of outer wood
木材外侧基本密度
4) wood density
木材密度
1.
Realization and utilization of two dimensional graph of wood density in triploid clones of Populus tomentosa\%.;
三倍体毛白杨无性系木材密度二维分布图的实现及应用
2.
93 15-year-old trees from the 31 provenances trial stand in Nanyu Forest Farm of Fujian Province were collected to deal with variations in bending properties of wood (modulus of elasticity and modulus of rupture) for exotic Loblolly Pine (Pinus teada) and their relationships to trees age, latewood percent and wood density in this paper.
树龄、晚材率和木材密度与MOE、MOR在0。
3.
Then the linear equation of log CT number and wood density was carried out.
使用计算机断层扫描技术进行原木无损检测,通过对原木树种断层 CT 值的统计,对 CT 设备在检测过程中的窗宽与窗位进行了设定,同时拟合出了木材 CT 值一密度值的线性方程,为原木缺陷的无损检测及木材密度的测定提供一种新方法。
5) Wood densitometry
木材微密度
6) Wood densitometer
木材密度计
补充资料:非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条