木材瞬间皱缩和水分吸附基础理论 轻纺 吴义强 编
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￥ 87.85 6.9折 ￥ 128 全新
库存4件
北京丰台
认证卖家担保交易快速发货售后保障
作者吴义强 编
出版社科学出版社
ISBN9787030673664
出版时间2021-05
版次1
装帧平装
开本16
定价128元
货号xhwx_1202343323
上书时间2024-12-13
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目录：
chapter 1 overview
1.1 a brief introduction to wood resources
1.1.1 international wood resources
1.1.2 chinas wood resources
1.2 general drying theory and technology
1.2.1 wood-water relations
1.2.2 wood drying theory
1.2.3 wood drying technology
1.3 drying theory and technology related to wood collae
1.3.1 fundamental properties related to wood collae
1.3.2 prediction and assessment of wood collae
1.3.3 traditional wood collae theory
1.3.4 novel wood transient collae theory
1.3.5 drying technology for minimizing collae
1.4 summary
references
chapter 2 anatomical characteristies vs. shrinkage and collae
2.1 introduction
2.2 materials and methods
2.2.1 collection of sample woods
2.2.2 preparation of specimens
2.2.3 determination of unit shrinkage (a),total shrinkage and residual collae
2.2.4 measurement of basic density
2.2.5 determination of microfibril angle (mfa)
2.2.6 determination of both fiber morphology and various tissues proportion
2.2.7 statistics analysis
2.3 results
2.3.1 statistics on various indices
2.3.2 correlation analysis
2.3.3 regression analysis
2.4 discussions
2.4.1 relationship between basic density and unit shrinkage and total shrinkage
2.4.2 relationship between basic density and residual collae
2.4.3 relationship of anatomical characteristics to unit shrinkage and total shrinkage
2.4.4 relationship between anatomical characteristics and residual collae
2.5 conclusions
references
chapter 3 colorimetric characteristies vs.shrinkage and collae
3.1 introduction
3.2 material and methods
3.2.1 preparation of specimens
3.2.2 steaming and drying procedure
3.2.3 non-collae shrinkage tests
3.2.4 determination of total shrinkage, normal shrinkage and collae by image analysis technique
3.2.5 measurements of color parameters
3.2.6 regression analysis
3.2.7 measurement of nir
3.3 results and discussions
3.3.1 effects of drying temperatures on shrinkage and collae properties
3.3.2 effects of steaming treatments on shrinkage and collae properties
3.3.3 effects of bination of various heat and stea ming treatments on both shrinkage and collae
3.3.4 shrinkage and collae properties-colorimetric parameters relationshi when subjected to various heat treatments
3.3.5 shrinkage and collae values-colorimetric parameters relationshi when subjected to various steaming treatments
3.3.6 shrinkage and collae values-colorimetric parameters relationshi when subjected to bination of heat and steaming treatments
3.3.7 effect of steaming time on sample coloring
3.3.8 effect of drying process on sample coloring
3.4 conclusions
references
chapter 4 water vapor sorption behavior ys.shrinkage and collae
4.1 introduction
4.2 materials and methods
4.2.1 preparation of specimens
4.2.2 heating and steaming procedure
4.2.3 non-collae shrinkage tests
4.2.4 determination of total shrinkage, normal shrinkage and collae by image analysis technique
4.2.5 determination of water vapor sorption behavior
4.3 results and discussion
4.3.1 water vapor sorption behavior
4.3.2 sorption hysteresis
4.3.3 sorption kiics
4.3.4 the applicability of kelvin-voigt model
4.4 conclusions
references
chapter 5 drying conditions vs. shrinkage and collae
5.1 introduction
5.2 materials and methods
5.2.1 preparation of specimens
5.2.2 continuous drying procedures
5.2.3 intermittent drying procedures
5.2.4 measurement of dimension by image analysis technique
5.2.5 determination of total shrinkage and residual collae
5.2.6 sem observation
……
内容简介：
本书介绍了人工林木材的储备、发展状况和保护木材安全的重要，叙述了人工林木材干燥皱缩及收缩的基础理论。本书以桉树为代表，归纳了人工林木材的解剖学结构、变特、水分吸收特等质与木材干燥皱缩之间的关系，阐述了间歇式干燥对人工林木材细胞微观形貌的影响规律，结了采用间歇式干燥减小人工林木材干燥皱缩及收缩程度的优工艺。主要从事林业工程、木材科学与技术、生物质材料与工程、森林工程等领域的科研或生产人员。
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