By applying the theories of molecular kinetics of gases and heat transfer,we have discussed the evaporation and diffusion of water in air-dried wood with the temperature varying from 20℃ to 100℃.
本文依据气体分子运动论与传热学的基本理论,在20~100℃温度范围内,讨论了气干材传热过程中,木材内部水分的蒸发与水蒸汽扩散的行为,研究了温度变化对气手材导热系数发生影响的规律。
taken from a 9 year old clonal test site were analyzed in order to investigate the genetic variation of wood properties, including air dried wood density and some mechanical properties.
该文利用 9个 9年生三倍体毛白杨无性系木材试样 ,研究了木材气干密度组成及力学性质的遗传变异规律 。
Study on the Radial Variations of Growth Ring Width,Air-dried Wood Density and Fiber Length of Toona sinensis(A.Juss.)Roem.and Their Relativity
香椿生长轮宽度·木材气干密度·纤维长度径向变异及其相关性研究
Study on Estimation of E. Pellita s Microfibril Angle and Air-Dry Density by Near Infrared Spectroscopy Technology;
利用近红外光谱技术预测粗皮桉木材微纤丝角和气干密度的研究
Effects of different angles on the growth stress,wood density and wood shrinkage of the reaction wood
不同倾斜角度对应力木生长应力、木材密度和干缩性质的影响
Empirical analysis on relationships between wood density of Pinus koraiensis and climate change
红松木材密度与气候变化关系的实证分析
Effect of Air Flow Rate and Air Temperature on Wood Drying Rate;
空气流速和温度对木材干燥速率的影响
lumber freeboard mark of tropical zone
热带木材运输干舷高度
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
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
Effects of a Different Dipping Time to Air-dry Density and 24-hour Water Absorption by Irradiation MMA into Poplar
不同浸渍时间对辐照后杨木气干密度、24h吸水率的影响
Method for determination of the density of wood
GB/T1933-1991木材密度测定方法
moderately dense wood used for cabinetwork.
密度适中的木材,用于做家具。
Study on LDPE/Wood Flour Composites
木粉/低密度聚乙烯复合材料的研究
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
Variations in Wood Density and Mechanical Properties of 32 Chinese Fir Clones
32个杉木无性系木材密度和力学性质的变异
The Application of the Pilodyn Method to Assess Wood Basic Density in Standing Trees
Pilodyn方法在活立木木材基本密度预测中的应用
Design of Monitoring System Based on Indirect Furnace Gas Timber Drying Plant
间接炉气式木材干燥厂监控系统设计
Density Comparison on Juvenile and Mature Wood of Chinese fir in Changlinggang Forest Farm
长岭岗林场杉木幼龄材与成熟材密度比较
Study on the effects of primary planted density of young trees of the construction timber forest of China fir
杉木建材林初植密度幼龄期效应的研究