堆填区的环境不适合有机体,经过一段时间它们通常会把木材分解。
The environment in the landfills was not suitable for organisms that normally break down wood over time.
特别是木材的细节部分,例如工人在梁截面部分解决了斜搭接的问题。
Timber details such as scarf joint were resolved with the builder to be applied in the beam section.
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.
小波包分解和神经网络相结合,能够检测孔洞缺陷的大小和位置,较好的实现了木材孔洞缺陷的定量检测。
Wavelet analysis and neural networks combine together, can examining the position and size of the hole defect, achieving wood defect quantitative testing.
结果表明,经过阻燃处理的木材其氧指数和剩碳率比未处理的木材升高,而热降解反应活化能和分解温度降低。
Experimental data showed that for the treated wood there was an increase in char yield and LOI, and decreases in activation energy and temperature of decomposition.
它们按一定次序进行作用,在木材生物分解的不同时期显示出明显的菌种协调与演替规律。
They functioned in order and showed significantilly mutual coordination and succession regulations in different stages of wood biodegradation.
研究结果表明:高温热压后的板材吸湿性降低,尺寸稳定性好,但热压温度过高会产生木材热分解,冲击强度略有降低。
The results showed moisture adsorption of the platen dried veneer was lower and its dimensional stability was better, but its impact strength dropped when pressing temperature was too high.
提出一个单一的概念也许可以部分解决北美的两个主要问题,这个概念就是将不经济的硫酸盐浆厂转化为木材-乙醇工厂。
Two major problems in North America may both least be at least partially solved by a single concept we have proposed to convert uneconomical kraft pulp mills to wood-to-ethanol plant.
提出一个单一的概念也许可以部分解决北美的两个主要问题,这个概念就是将不经济的硫酸盐浆厂转化为木材-乙醇工厂。
Two major problems in North America may both least be at least partially solved by a single concept we have proposed to convert uneconomical kraft pulp mills to wood-to-ethanol plant.
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