木材强度等级 strength classes of structural timber
木材强度分级 Strength grading of wood
木材抗弯强度 bending strength of wood
木材顺纹强度 strength of structural timber parallel to grain
木材抗弯强度试验方法 Method of testing in bending strength of wood
木材冲击抗剪强度 impact shear strength of wood
木材横理抗拉强度 tensile strength of wood perpendicular to grain west bank
木材的强度分级 Strength grading of wood
木材顺纹剪切强度 Block shear strength
讨论了年轮宽度与木材强度性能和干缩性能的关系。
Whether annual ring width markedly affects both strength properties and shrinkage properties of the wood is discussed.
木材都具有优良的声振动性能，木材之间的声振动性能的差别能较直接的反映木材强度差别。
All the lumber has the fine sound vibration performance, the difference of lumber sound vibration performance can the more directly reflect plate intensity difference.
桂酰辅酶A还原酶基因(CCR)控制木质素含量和组成，而且与桉属木材强度特性有密切关联，因此CCR与造纸和实木利用紧密相关。
The Cinnamoyl CoA reductase (CCR) gene is involved in determining lignin content and composition in plant secondary cell walls and has been associated with wood strength characteristics in Eucalyptus.
应用推荐