细叶云杉基本密度

本数据记录了细叶云杉中基本密度的序号、记录本序号、试样序号、试样弦向尺寸、试样径向尺寸、试样顺纹方向尺寸、最大体积、烘干后试样重、基本密度等记录。木材物理力学的各项测定指标，直接反映此种木材的强度等特性，为木材利用和木结构的规范等提供科学数据。本数据库包括物理力学数据和其试验方法（请参看附件1中华人民共和国国家标准GB1927～1943-91《木材物理力学性质试验方法》，附件2木材物理力学各个项目的定义）。This dataset records relevant information regarding the basic density of thinleaf spruce, including the serial number for basic density, log serial number, specimen serial number, tangential dimension of specimens, radial dimension of specimens, dimension along the grain direction, maximum volume, oven-dried specimen weight, basic density and other related items. Various measured indicators of wood physical and mechanical properties directly reflect the strength and other characteristics of this wood species, providing scientific data for wood utilization and the formulation of timber structure standards. This database includes physical and mechanical property data and their corresponding test methods (please refer to Appendix 1: National Standard of the People's Republic of China GB 1927–1943-91 *Standard Test Methods for Physical and Mechanical Properties of Wood*, and Appendix 2: Definitions of various items of wood physical and mechanical properties).

搜集汇总

背景与挑战

背景概述

该数据集记录了细叶云杉的基本密度，包含序号、尺寸和重量等多项测量指标，用于反映木材强度特性，为木材利用提供科学数据，并附有相关的物理力学试验方法标准。