1) basic density
基本密度
1.
Use of Pilodyn tester for estimating basic density in standing trees of hardwood plantation;
Pilodyn方法评估阔叶树种人工林立木的基本密度
2.
Variation patterns of moisture content,basic density and dry shrinkage of Phyllostachys pubescens.
毛竹含水率、基本密度和干缩性的变异规律
3.
Tree ring width and basic density of trees (populus euramericana) selected from healthy and acid rain damaged forests were analysed to evaluate the possible impacts on tree growth and wood properties.
通过对受害材与健康材的年轮宽度和基本密度的对比研究 ,可以看出酸雨对杨树生长产生了显著的影响 。
2) basic heat-flux density
基本热流密度
1.
By use of BP neural networks the basic heat-flux density for laminar cooling system of hot strip mills was predicted on the basis of measured date,the result was then applied to calculate the top and bottom heat-flux density for cooling banks to improve the precision of calculation of temperature drop in each bank.
利用现场的数据 ,采用 BP神经元网络预报热连轧层流水冷区集管组内的基本热流密度 ,将预报的结果用于上、下集管组的热流密度的数学模型计算 ,进而优化层冷集管组的水冷温降计算数学模型的精度。
3) 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。
4) 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。
5) basic saturation density
基本饱和密度值
6) basic density of outer wood
木材外侧基本密度
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