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杉木

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The infra red spectra of specimens show that there are evident changes of waves at the wavelength of 1743, 1660 and 1605cm-1 which are attributed to the change of C=O in wood. So it is clear that at least hemicellulose, even lignin in wood cell chemically changes during heat treatment of compressed wood of China fir.

红外吸收光谱表明,在热处理过程中波数在1743,1660和1605cm-1附近的羰基峰的变化趋势最为明显,说明在热处理固定杉木压缩木材的过程中,至少半纤维素,甚至木素发生了化学变化

The content of cellulose in the carya crust was lower but its lignin content was higher. The ash content in the carya inner shell was only 8.2gkg^(-1). The chemical components of the quick-growing Chinese fir scrap were the same as those of natural forests.

化学分析结果表明:桔杆的纤维素质量分数为378.8~462.5gkg^(-1),木质素为164.0~253.0gkg^(-1),其主要成分与木材接近;山核桃外壳的纤维素较低,木质素和灰分较高,内壳的纤维素和木质素均较高,灰分较低,只有8.2gkg^(-1);速生杉木木屑的化学成分与天然林的相同。

In the picture Giano is shown in the combination honey-coloured laminated fir, white-painted finish, a single element with shutter in greypainted marine ply and disappearing mosquito net.

图中Giano展现了结合蜜色的杉木薄板面与白色漆饰面的单独元件,配以灰色船用胶合板百叶和隐形防蚊网。

Fir ; binary volume table ; model ; comparative analysis

杉木;二元材积表;模型;对比分析

The comparative analysis of all indexes of these two models defined the optimal model as Shanben Dynamic Model being deduced formula for binary volume table of firs.

对2个模型进行各项评价及检验指标的对比分析,确定最佳模型为山本式动态模型,将其作为杉木二元材积表的推算公式。

Shanben Model and Shanben Dynamic Model were selected as mathematic models for binary volume table of artificial China Fir forest in Guizhou.

选择山本式模型与山本式动态模型作为贵州省杉木人工林二元材积式的数学模型。

Mo produced batik row down the main tool of three-inch bamboo handle a folder wax knife and wearing a copper produced by fir wood dyeing, fabric weaving their own soil is mainly pepper cloth (now have a wider choice of fabrics), Master of indigo dye (mostly planted by local farmers, and cook their own made), Placed in the dye vat, for the use of multiple disseminated.

排倒莫制作蜡染的主要工具是三寸竹柄一头夹扎着铜片的蜡刀和以杉木制作的木染缸,布料主要是自己纺织的土花椒布(现在有的选用布料较广泛),染料主为蓝靛(大都是当地农民自己栽种和泡制而成的),置于染缸中,供多次浸染使用。

In this study water-saturated and boiled samples of Chinese fir are hot pressed, then they are heat treated in a common oven or in a vacuum oven.

该研究采用空气介质中热处理和真空中热处理两种热处理方式,对压缩后的杉木试材进行处理以固定其压缩变定。

Wang Jieying, Zhao Guangjie, Yang Qingling, Qi Chao, Ikuho IidaAbstract: Compression behaviours and subsequent heat treatment of China fir under water-saturated condition and air-dried condition are compared and discussed. Heat treatment is carried out in a common oven and in a vacuum oven, with temperature of 180℃ and time of 6 h, 10 h, 15 h and 25 h respectively.

该研究采用烘箱热处理和真空热处理方法,在热处理温度都为180℃,热处理时间分别为6 h,10 h,15 h,25 h的条件下,研究比较了饱水状态和气干状态杉木试材的径向压缩成型特性及其在不同方式热处理条件下热处理永久固定的效果。

That's right, there are tobacco beetle eggs in your cigars, and those little buggers don't like the smell of Spanish cedar. They won't chew through the wood and make your home a beetle colony.

没错﹐每支雪茄里面都一定有虫卵﹐而那些小虫不喜欢西班牙杉木的味道﹐所以它们不会把木头蛀开﹐把你家变成一个烟草甲壳虫的殖民地。

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