basic density
英 [ˈbeɪsɪk ˈdensəti]
美 [ˈbeɪsɪk ˈdensəti]
网络 基本密度; 木材密度
双语例句
- Significant variations in DBH, height, clear bole height, volume index and wood basic density among provenances were demonstrated, of which the variation in volume index was the largest.
结果表明，木荷胸径、树高、枝下高、材积指数和木材基本密度等存在显著或极显著的种源变异，其中以材积指数的种源变异最大。 - 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 - Also, there existed correlations among various traits, as the wood basic density was negatively correlated with growth traits.
木荷各性状间也存在相关性，其木材基本密度与生长性状呈显著负相关。 - 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 - The results indicated that the five traits like height, diameter at breast height, volume, wood basic density and tracheid length showed at least significant genetic variation among clones.
结果表明，无性系间树高、胸径、材积、木材基本密度和管胞长度存在显著至极显著差异。 - According to the correlation analysis between traits, stem straightness could be improved indirectly when growth traits were improved, growth traits were significant correlated with wood basic density, and wood basic density was not significantly correlated with length and width of tracheid.
各性状间的相关性分析结果表明，生长量性状的改良可间接改善通直度，且生长量性状与木材基本密度存在显著正相关关系，木材基本密度与管胞长度和宽度不相关。 - Its wood density was a little smaller ( basic density reached 0.618 g · cm-3), and shrinkage, swelling and water absorption ratio were a bit bigger;
竹材密度（基本密度0.618g·cm-3）稍小，干缩性、湿胀性和吸水性较毛竹大； - Study on the Genetic Variance of Wood Basic Density and Fiber Properties of Poplar Hybrids
10个杨树杂种组合木材密度与纤维遗传变异研究 - The variations of wood basic density and tracheid length, tracheid width, ratio of tracheid length and width of Pinus densiflora plantation in different stands were studied in this paper.
研究分析了不同林分人工林赤松木材的生长轮基本密度和管胞长度、管胞宽度及管胞长宽比等管胞形态特征的变异。 - 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 - Wood basic density is clearly related to late wood percent.
木材密度与晚材率的正相关显著。 - But not affect tree height, basic density of wood, and length of wood fibers.
对树高、木材气干密度和木材纤维长度虽有一定的影响，但不显著。 - Growth Regularity of Chamaecyparis pisifera and Variations for Latewood Percentage and Wood Basic Density
日本花柏人工林生长规律与晚材率、木材密度的变异 - The relations between basic density and fibre form, between tissue measurement and fibre content were studied.
同时，对基本密度与纤维形态、纤维体积比量和纤维素含量的关系作了探讨。 - The negative genetic correlation was also found between wood basic density and tracheid length.
树高、胸径和材积与木材基本密度、管胞长度间以及木材基本密度与管胞长度间呈遗传负相关。 - The basic density of the wood influenced the dosage of active alkali and pulp yield only to some extent.
而基本密度只是在一定程度上影响着用碱量和得率，但不是影响制浆特性的决定因素。 - The two properties can be selected separately, therefore the new poplar hybrids which has high wood basic density, long fiber length and fast-growth can be selected.
纤维长度与生长性状相关不显著。②木材密度和纤维长度可以独立选择，从而选出密度较高，纤维较长和速生优质的杨树杂交新个体。 - In this paper, 12 years old Chinese Fir clones were studied on the genetic variation of growth properties, basic density and tracheid morphological characteristics.
本文综合研究了12年生杉木无性系试验林的生长性状、基本密度和管胞形态的遗传变异规律。 - 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 - It has very significant sense for cultivating forests to research the variation regulation of wood ring density quantificationally and then to get to the relation between the basic density and the anatomical characteristic of tracheid.
定量地研究年轮密度变异规律，得到基本密度与管胞形态特征间的关系，对工业材良种选育及用林材的培育具有重要的指导意义。 - The effects of flooding stress on the ring width, the number of fiber cell, the basic density of wood were remarkable, and that on the length and width of fiber cell were not remarkable.
不同淹水胁迫下，当年年轮宽度、纤维细胞数量、木材基本密度均存在显著差异，纤维长度和宽度差异不显著； - For both species the shrinkage in radial and tangential direction was decreased gradually from bark to pith, with the similar trend as basic density.
径向位置的不同对杉木和I-72杨人工林木材的径、弦向干缩均有极显著影响：从树皮到髓心，木材径、弦向干缩逐渐减小，与其基本密度的变化趋势一致。 - The conventional way measuring wood basic density is takes cores using growth cones in chest, then measure wood basic density with permeate withdrawal method.
常规测定木材基本密度的方法是在胸高处用生长锥取木芯，然后利用排水法测出木材的基本密度。 - The birches with a better growth and higher wood basic density which of the fiber traits and the wood chemical compositions was favorable to papermaking.
其白桦生长状况较好，木材基本密度较大，木材的纤维性状和化学成分含量最有利于造纸。 - The negative relationship of wood basic density with tracheid width and tracheid length were not significant.
木材基本密度与纤维宽度、纤维长度呈不显著的负相关。 - Wood basic density had a significant, negative genetic correlation with tree volume and tracheid length, and had no significant correlation with tree height, diameter at breast height, ratio of length to width and ratio of cell wall to cavity.
基本密度与树高、胸径、管胞长宽比、壁腔比无显著遗传相关；与材积、管胞长度有显著的负遗传相关。