查询词典 lumber

Light wood truss is composed of dimension lumber by metal plate connected joints,the metal plate joint can be a weak part in the truss,so its bearing capacity has a direct relation with the whole truss capacity.

轻型木桁架是轻型木结构中一种常见的结构形式，其节点一般由齿板钉接而成，而该齿板节点可能是桁架的薄弱环节，其承载力决定着整个桁架的承载能力，因此齿板连接承载力的确定十分重要。

The dependence between the flexural strength and the size of Chinese fir dimension lumber was investigated.206 dimension lumbers were sorted into three test groups in terms of dynamical modulus of elasticity.

选取206根人工林杉木规格材，按照动态弹性模量配成3个测试组，研究了规格材测试跨度与其抗弯强度之间的依存性，并利用斜率法和形状参数法求得抗弯强度5%分位值和50%分位值的长度尺寸效应。

The results reveal that under the conditions of the third-class sites in the Southern Fujian mountain areas,the suitable planting density is 1250～1798 trees/hm 2 for building eucalyptus short-cycle industrial raw material forests; and adopting the present density to conduct afforestation may culture the best-selling dimension lumber with higher growth and may obtain better economic benefits.

通过对 7年生巨尾桉不同造林密度生长量、生物量分析，结合目标培育径阶所确定的理论适宜株数的研究，结果表明，在闽南山地Ⅲ级立地条件下，营造桉树短周期工业原料林适宜造林密度为 1 2 5 0～ 1 798株·hm-2 ，采用该密度造林不但可以培育市场畅销的规格材且生长量较高，可取得较好的经济效益

In this paper, bending and compression in-grade tests were conducted on 45 mm×90 mm×2600 mm dimension lumber made of Cunninghamia lanceolata plantation according to GB/T 50329, ASTM D4761 respectively.

利用人工林杉木制成尺寸为45mm×90mm×2600mm规格材，根据GB/T50329、ASTMD4761分别进行足尺弯曲、压缩分级测试。

From equipment and technology points of view, a brief introduction to the structure ,technology,control features and property of Italian DC-123 wood drying kiln is made .The quality and effect of the dried lumber are evaluated.

从设备及工艺方面简要综述了意大利DC-123型木材干燥室的结构、工艺、控制特点及性能，对其窑干燥的锯材质量及效果做了客观评价，提出了可靠的分析结果。

Nyle's first lumber drying kiln was installed in 1978; subsequently, Lewis invented and patented Nyle

Nyle的第一个木材干燥炉于1978年生产，之后，公司创始人之一Lewis发明了Nyle XDH型干燥

SmartTrac MMS enables the lumber processing industry to reduce degrade and waste while increasing capacity and profitability in kiln drying processes.

SmartTrac MMS促使木材加工业减少裂解和浪费，同时在窑干燥过程提高容量和盈利能力。

Introduced in Germany, Italy and Taiwan advanced processing equipment, have a larger drying room, per month more than 1000 cubic meters lumber drying.

公司引进德国、意大利及台湾的先进加工设备，拥有较大的烘干房，每月可烘干1000多立方米锯材。

It is here, amidst the pile of found lumber and tossed-aside home furnishings, where Kabat builds his "funny" bicycles using such items as driftwood, skis, bedposts, even a thrown-away crutch.

正是在这里，由于桩的发现木材和抛出预留家居用品，在那里建立Kabat他的&滑稽&使用自行车等项目的浮木，滑雪板， bedposts ，甚至扔，离开拐杖。

High strength: In the middle of all cors, south pine lumber's design value is highest.

高强度：在所有的软木当中，南方松木的设计价值最高。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。