木材基本密度,Wood basic density
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。
英文短句/例句

1.Studies on variation within tree of wood density in arbor willow clones乔木柳无性系木材基本密度株内变异的研究
2.The Application of the Pilodyn Method to Assess Wood Basic Density in Standing TreesPilodyn方法在活立木木材基本密度预测中的应用
3.Study on Variation Patterns and Relationship between Density with the Age and DBH of Fast-growing Poplar速生杨木木材基本密度变异规律及其与树龄胸径关系的研究
4.V could be regarded as the only trait in stand selection and both V and BD shoud be considered in individual selection within stand.而材积和木材基本密度在林分内个体的选择中具有同样的重要性。
5.Variation of Wood Density Among Provenance of Exotic Loblolly Pine Grown in South of Henan Province河南引种火炬松种源中龄林木材基本密度的变异
6.Provenance Variation in Growth,Stem-Form and Wood Density of Masson Pine at 24-Year-Old and the Provenance Division24年生马尾松生长、形质和木材基本密度的种源变异与种源区划
7.Variation Analysis of Wood Basic Density and Caloric Value of Four Tree Species in Fagaceae壳斗科4个树种木材基本密度及燃烧值的变异分析
8.Wood Properties of Chinese Fir Growing in Different Production Regions Ⅰ Basic density and fiber morphology福建省杉木人工林材性产区效应的研究 Ⅰ.木材基本密度和纤维形态
9.Variation Patterns of Tracheid Anatomical Characteristics and Basic Density for Chamaecyparis Pisifera;日本花柏木材管胞解剖特征与基本密度的变异
10.Study on Non-destructive Testing System for Density of Veneer Based on Beta Ray;基于β射线木材单板密度无损检测系统的研究
11.RELATION BETWEEN THE HARDNESS OR THE DENSITY OF WOOD AND THE CUTTING POWER IN WOOD CUTTING木材切削中木材硬度及密度与切削功率的关系
12.The base material of aggrandizement wood floor is high density board, but it is better to not be equal to density to jump over tall aggrandizement wood floor.强化木地板的基材是高密度板,但并不等于密度越高的强化木地板就越好。
13.Application of Pilodyn to assessment of wood basic density of standing trees in Picea crassifolia KomPilodyn在青海云杉活立木基本密度预测中的应用
14.Genetic Analysis on Combining Ability of Growth, Stem Form and Wood Basic Density of Pinus massoniana by testcross mating design基于马尾松测交系子代的生长、干形和木材密度GAC/SCA分析
15.the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood.树木或木本植物中较老的不再生长的部分,通常比边材颜色更深、密度更大。
16.Method for determination of the density of woodGB/T1933-1991木材密度测定方法
17.moderately dense wood used for cabinetwork.密度适中的木材,用于做家具。
18.Study on LDPE/Wood Flour Composites木粉/低密度聚乙烯复合材料的研究
相关短句/例句

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
延伸阅读

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