锯材

The import of log , processed timber, veneer, fiberboard, crosstie in our country accounts to 32,982,200m2 in 2003. Compared with that of the same term of last year, there is an increase of 1,470,500m2, with an increasing rate of 4.67%.

2003年我国进口原木、锯材、胶合板、纤维板、枕木实际材积计3298.22万m3，比去年同期3151.17万m3，增加147.05万m3，增幅为4.67%。

The range of Masson Pine in China can be divided into Southern, Middle and Northern provenance zone by cluster analysis. Nineteen and six superior provenances were respectively selected for pulpwood and building timber, most of which were from Southern provenance zone with some from Middle provenance zone.

根据种源聚类结果，可将马尾松划分为南部、中部和北部3个种源区，并分别纸浆材和锯材筛选出19个和6个优良种源，这些优良种源主要来自马尾松的南部种源区，部分来自中部种源区。

This dissertation mainly carries on the research of the sawn timber deformation and control methods.

本文主要是进行制材生产中锯材的变形机理及控制法的研究。

According to the observation of the microstructure of small diameter lumber with scan electron microscope, there are many bordered pits of the radial trancheidal wall in the small-diameter Larch, and most of them have pit film. The resin is not only in resin canal, but also in some trancheid and ray parenchyma cells. The drying defects of small-diameter Larch lumbers were the most severe in consecution heating, fluctuating-heats 2h in between, and drying defects were nearly not observed in fluctuating-heats 6h. There is tylosis in the vessel of the heartwood of small-diameter Cathay poplar. The bordered pits of the radial trancheidal wall are dense, and the pits between vessels are alternate, most of them have pit film. Different collapse happened in all the small-diameter Cathay poplar lumbers. The collapse of small-diameter Larch lumbers was the most severe with consecution heating, fluctuating-heats 2h in between, the least with fluctuating-heating 6h.

通过扫描电镜观察发现，小径木落叶松的径壁具缘纹孔数目较多，且多具纹孔膜，小径木落叶松除在树脂道中含有树脂外，在一部分管胞胞腔内以及一些木射线细胞中也含有树脂，在产生缺陷的小径木落叶松锯材中，连续加热方式下锯材的开裂缺陷最为严重，波动2时次之，波动6时几乎没有开裂现象；小径木大青杨心材导管中的层状浸填体含量较多，且径壁具缘纹孔较为密集，管间纹孔呈互列方式，绝大多数纹孔具有纹孔膜，干燥后的小径木大青杨锯材均有不同程度的皱缩现象产生，其中连续加热干燥试验锯材的皱缩现象最严重，波动2时次之，波动6时干燥试验锯材的皱缩缺陷最小。

We work with Radiata pine lumber, Eucalyptus chips as well as Eucalyptus pulp logs and hardwood logs and lumber.

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。

At last, final drying schedules of small-diameter lumbers of Larch and Cathay poplar were developed according to the result of this research, and suggestions were given to improve drying quality.

最后，根据上述研究结果，确定了30mm厚小径木落叶松和大青杨锯材的干燥基准，提出了改善小径木锯材干燥质量的有效措施。

First, the anatomical features, physical features and extraction contents of small-diameter lumbers were studied systematically and compared with mature wood. The reason that drying defects occurred easily in small-diameter lumber was discussed based on its properties.

首先，测定了小径木的解剖学特性、物理特性和抽提物的含量，并与成熟材进行了比较，根据小径木木材的上述性质探讨了小径木锯材产生干燥缺陷的原因。

Third, drying defects and mechanical performance were determined, and the microstructure of the small-diameter lumber was observed with scan electron microscope. The drying quality of lumbers was assessed too.

第三，本试验对不同干燥方式下小径木锯材的可见干燥缺陷和力学性能进行了测定，同时，采用扫描电镜对干燥后小径木锯材的微观结构变化进行了观察，并对锯材的干燥质量进行了评定。

At present, we mainly import hemlock, Douglas fir and red oak, white oak, and other high-quality wood-based from the United States and Canada and also sales a variety of man-made board, sawn timber in scores of customers at home and abroad Cities.

目前业务有从美国、加拿大进口铁杉、花旗松、红橡、白橡等优质木材为主，兼各种人造板、锯材、集成材、刨片材的销售，客户遍布国内外的几十个城市。

This paper analyzes both wood supply from commodity limber, peasant wood, artificial board and import lumber and demand from main building industry, peasant wood, firewood, export wood. It collect the data of log, converted timber, plywood, fiberboard, shaving board, paper and cardboard, paper pulp and wastepaper output, import and export volume from 2000 to 2005, forming the quantitative result. At last it analyses the cause that wood supply and demand breach produces and gives resolving method.

本研究对木材市场的商品材、农民自用材、人造板和进口材的供给分析以及对木材市场的主要工业建筑业用材、农民自用材和薪炭材和出口材的需求分析，并收集2000~2005年间原木、锯材、胶合板、纤维板、刨花板、纸及纸板、纸浆和废纸产量、进口量以及出口量数据，按照经验比例折算成原木量，得出各年度木材需求总量的定量分析结果，最后分析了木材供需缺口产生的原因和采取的对策。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。