阔叶材

几种国产阔叶材水热处理研究

Study on Water and Hot Treatment of Some Chinese Broadleaf Timbers

选择针叶材花旗松和阔叶材山毛榉作为实验材料；

Douglas fir of coniferous tree and beech of broadleaf tree is selected as the experiment materials .

基于FTIR的针阔叶材木质素和纤维素特性

Lignin and Cellulose Characteristics of Different Woods Based on FTIR

高取代度阳离子淀粉对阔叶材BCTMP纸料中DCS的控制

Application of highly substituted cationic starch on DCS controlling of hardwood BCTMP

中国阔叶材管孔式类型的研究

A study of the pore arrangement patterns of Chinese hardwood timbers

硬阔叶材木炭水蒸汽活化的研究

A study on the activation of hardwood charcoal by steam

云南8种阔叶材的识别与利用研究

Study on Wood Recognition and Utilization of Eight Hardwood Species in Yunnan

福建省主要阔叶材树种除湿干燥工艺与基准研究

Study on Technology and Schedules of Dehumidification Drying of Fujian Hardwood Timber

阔叶材木炭水蒸气活化的最佳工艺条件的研究

A study on optimum technological conditions for activating hardwood charcoal with steam

培育优质阔叶材混交林与森林可持续经营

Cultivating High quality Hardwood Mixed Plantations and Sustainable Forest Management

利用傅里叶变换研究阔叶材纤维细胞尺寸

Study of the Fiber Size in Hardwood Using Fourier Transform

常见四种阔叶材纤维形态和化学成分的研究

Analysis on Several Kinds of Fast-growing Plants ' Fibre Configuration and Chemical Components

阔叶材亚硫酸盐制浆废液的酒精发酵

Ethanol fermentation of hard-wood spent sulfite liquor

热带阔叶材用树种的一个属。

Genus of tropical hardwood timber trees .

阔叶材干燥应力的研究&温度对干燥应力的影响

Study on drying stress of hardwood timber

结果表明：该胶用于针叶材云杉和阔叶材水曲柳、榆木、柞木，所制得集成材的粘接性能达到结构用集成材的指标要求，为生产结构集成材提供技术依据。

The results of the experiment indicated that the bond properties can fulfill quality requirements for structural glued laminated timber .

是我国阔叶材中木质部不具导管而具管胞的一种独特、稀有树种。

Is an unique and rare hardwood species of China , which does not have vessel but have tracheid in xylem .

阔叶材亚硫酸盐法制取人纤浆的研究&二氧化氯与白桦未漂浆反应的若干问题

A Study on the Production of Hardwood Dissolving Pulp by the Bisulfite Process & Reactions Between Chlorine Dioxide and Unbleached Birch Pulp

因此，本论文对阔叶材和针叶材的解剖结构、超微结构以及其细胞壁局部化学进行了系统地研究、分析和比较。

Thereby , in this study , the anatomy , cell wall ultrastructure and topochemistry of hardwood and softwood were systematically discussed .

混合阔叶材高得率浆配抄文化用纸白度稳定性的研究造纸杀菌剂在文化纸生产上应用研究

A study on the whiteness stability of fine paper containing mixed hardwood high yield pulp The Research and Application of a Bactericide for Paper-making

相同条件下，针叶材自由基浓度大于阔叶材，这是由于前者木素成分大于后者的缘故。

Under the same conditions , free radical concentration is more in soft wood than in hard wood due to the higher lignin content in the former .

本文选用常用的合金钢和高速钢制成的木工刀具，并选用具有代表性的针叶材云杉、阔叶材山毛榉、刨花板和中密度纤维板等木材与木质材料作为试验材料。

The testing tools are made from hart metal and high-speed steel , work piece materials are the boards of spruce and beech , particle board and MDF .

利用速生阔叶材制浆造纸对于解决我国造纸用木材原料短缺的问题具有十分重要意义。

It is very important to solve the problem of shortage of wood material used for papermaking by using fast growth wood for pulping and papermaking in our country .

对17种常用速生阔叶材及1种针叶材进行了可防腐处理性的试验研究，结果表明：阔叶材边材的质量载药量与它的密度呈极显著的线性关系。

Treating performance study of 17 commonly using hardwood species was conducted in wood preservation , the results indicated that , there was a linear relation between the air-dry density of sapwood and its mass retention .

针叶材低渗透树种比阔叶材多，与纵向单位长度上阻碍流动细胞间隔数在前者比后者多有关；

The species of low permeability in softwoods were more than that in hardwoods because the numbers of cell cross per unit length in axial direction which hinder flow of fluid in the former were more than that in the latter .

棉秆的热水抽提物含量为5.23%，苯醇抽提物含量为2.53%，木素含量为21.77%，半纤维素含量为39.59%，a-纤维素含量为41.00%，与部分阔叶材相似。

The chemical compositions of cotton stalks are as followed : hot-water extractive content is 5.23 % , alcohol-benzene extractive content 2.53 % , lignin content is 21.77 % , hemicellulose content is 39.59 % , a-cellulose is 41.00 % , these are close to part hardwoods .

论阔叶树材的生长轮类型和导管排列

Types of Growth Ring and Vessel Arrangment of Broad Leaved woods

国产阔叶树材导管中侵填体和树胶的研究

A study on tyloses and gums in the vessels of Chinese hardwood

五种福建阔叶树材的干燥特性

The drying characteristics of five hardwood species from Fujian Province

23种广东常见阔叶树材的耐磨性质

Abrasion resistance of 23 species of common hardwood in Guangdong