1) wood temperature field
木材温度场
1.
This paper studied the anisotropic wood temperature fields and presented the basic theory for the analysis of wood steady heat conduction.
对具有各向异性的木材温度场做了初步研究,给出根据木材稳态热传导分析的基本理论。
2) timber market
木材市场
1.
In the light of the resource supply and actual demand structure of timber market, timber saving and substituting countermeasures should be taken.
从中国木材市场的资源供给和实际消费结构看,解决木材供求矛盾的主要途径,近期要切实采取木材节约代用措施,同时根据市场需求适当进口木材。
2.
This paper introduces the status quo and development trend of China\'s timber market.
本文介绍了中国木材市场供需和进口现状及发展趋势。
3) wood density
木材密度
1.
Realization and utilization of two dimensional graph of wood density in triploid clones of Populus tomentosa\%.;
三倍体毛白杨无性系木材密度二维分布图的实现及应用
2.
93 15-year-old trees from the 31 provenances trial stand in Nanyu Forest Farm of Fujian Province were collected to deal with variations in bending properties of wood (modulus of elasticity and modulus of rupture) for exotic Loblolly Pine (Pinus teada) and their relationships to trees age, latewood percent and wood density in this paper.
树龄、晚材率和木材密度与MOE、MOR在0。
3.
Then the linear equation of log CT number and wood density was carried out.
使用计算机断层扫描技术进行原木无损检测,通过对原木树种断层 CT 值的统计,对 CT 设备在检测过程中的窗宽与窗位进行了设定,同时拟合出了木材 CT 值一密度值的线性方程,为原木缺陷的无损检测及木材密度的测定提供一种新方法。
4) wood thickness
木材厚度
5) wood hardness
木材硬度
1.
The results showed that,because of viscous-elastics of wood,there is deficiency choosing minimum and maximum values in measurement of wood modulus of elasticity and the revised coefficient of values for wood hardness of side section when half pressure were loaded is not right,and the improved methods were made suggestions.
指出,由于木材的黏弹性,在循环试验中读取下、上限值计算抗弯弹性模量存在偏差及在木材硬度试验方法中关于半压硬度的修正系数对侧面不正确,并提出了改进建议。
6) wood intensity
木材强度
1.
Audio signal analysis of non-destructive test in wood intensity;
木材强度无损检测的音频信号分析
2.
Ultrasonic detection is widely used in area of un-contact detection system of wood intensity.
超声波检测在木材强度无损检测系统中应用非常广泛。
补充资料:焊接温度场
焊接温度场
field of weld temperature
hanJ旧wenduchang焊接温度场(field of weld temperature)指金属焊接过程中的某一瞬间,金属怀接接头中各点的温度分布状态。通常用等温线或等温面来表示。所谓等温线或等温面就是把焊件上瞬时温度相同的各点连接在一起成为一条线或一个面。各等温线或面不能彼此相交,而它们彼此之间存在着温度差。热能集中则温度场的范围小。影响温度场的因素很多,其中主要有:(l)热源的性质和焊接规范;(2)被焊金属的热物理性质;(3)焊件的形态;(4)热源的作用时间和移动速度。焊接温度场决定了焊接应力场和应变场,它还与冶金、结晶、相变过程有不可分割的联系,使之成为影响焊接质量和生产率以及金属焊接性的主要因素之 (李维茜)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条