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.
研究了木废料能源联合干燥短周期工业材的杨木、马尾松以及常用硬阔叶材的柞木等。
This paper reported that it was feasible to apply combined drying method to dry fast growing trees lumber such as Pouples, Massoniana and hardwood such as Oak, etc, with wood wastes as energy.
对利用热水作为热导介质干燥南方硬阔叶材进行了开发与研究,并对经济效益进行分析和比较。
Developed and studied drying technique which used hot water as a heat conduction medium drying north hard broadleaf timber, analysed and compared its economic benefit.
通过对进口阔叶木材取样与切片观测,对22种进口阔叶材的木材构造与识别特征进行了具体描述。
It has specifically described 22 kinds of import broad-leaved timber structure and identification characteristic through sampling and cut-section observation of import broad-leaved timber.
不同树种的抽提物含量对木材化学镀镍的影响较大,针叶材主要是树脂的含量,阔叶材主要是单宁的含量,这些抽提物容易造成镀液的分解。
The extractive content from different tree species has great effect on electroless plating. The resin of Softwood and the tannic of hardwood cause plating liquid easily decompose.
产品有辐射松锯材、树木片,以及桉树纸浆材原木和阔叶原木及锯材。
We work with Radiata pine lumber, Eucalyptus chips as well as Eucalyptus pulp logs and hardwood logs and lumber.
对进口阔叶木材南洋楹和石梓的化学成分、材性特点、纤维形态及制浆性能进行了研究。
The fiber morphology and pulping and papermaking feasibility of Albizia falcataria and Gmelina arborea were investigated in the paper, also their main chemical compositions were determined.
佳木斯纸业集团是我国唯一全部用长纤维针叶材制浆,辅之以阔叶浆制造工业包装纸的企业。
Jiamusi Paper Co. , Ltd. (Group) is the only enterprise in China to make pulp wholly from long fiber coniferous wood and makedunnage paper with the addition of pulp from broad leaf wood.
实验结果表明:这五种阔叶树材干燥特性差异显著,其中椆木干燥缺陷严重,干燥速度缓慢;
The results of the experiment showed that the differences among the five species are obvious. The drying defects of Lithocarpus glaber were serious and its drying rate was slow;
实验结果表明:这五种阔叶树材干燥特性差异显著,其中椆木干燥缺陷严重,干燥速度缓慢;
The results of the experiment showed that the differences among the five species are obvious. The drying defects of Lithocarpus glaber were serious and its drying rate was slow;
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