The data shows that after heat-treatment, the dimensional stability of lumber is greatly improved, the EMC is reduced, and the weather resistant properties and durability to bio.
资料表明，木材经热处理改性后，尺寸稳定性增强、平衡含水率降低，且耐候性及抗生物降解能力增强。
OBJECTIVE: To construct a lumber spine (L3-5) biomechanical model using three-dimensional finite element method.
目的：应用三维有限元法建立L3~5腰椎活动节段力学模型。
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