硬材

边材易于保存，但是硬材不易保存。

The sapwood is easy to preserve but not the hardwood .

各种各样的豆科硬材树的任意一种。

Any of various hard-wooded trees of the family Leguminosae .

硬材原木不对称下锯图最佳开锯面位置预测

Estimation of best opening face position for asymmetric sawing patterns in hardwood logs

黄檀属的硬材树的任意一种，制造贵重家具的木材，深红色或带紫色条纹和具黑色斑纹。

Any of those hardwood trees of the genus Dalbergia that yield rosewood & valuable cabinet woods of a dark red or purplish color streaked and variegated with black .

硬阔叶材木炭水蒸汽活化的研究

A study on the activation of hardwood charcoal by steam

由木屑压制在一起再用合成树脂束缚而制成的又便宜又硬的材。

A cheap hard material made from wood chips that are pressed together and bound with synthetic resin .

硬阔叶树材真空干燥初探

A tentative exploration of the vacuum drying of hard wood

门窗框用改性硬聚氯乙烯异型材的户外使用耐久性研究

Studies on out Door Service Endurance of Modified Rigid PVC Profil for Door and Window Frame

介绍了硬聚氯乙烯异型材（以下简称塑型材）在储存、成窗的过程中产生变色的原因及其预防措施；

The discoloration reasons and its preventative measures for the storage and manufacturing of unplasticized polyvinyl chloride ( UPVC ) profile were introduced .

制备了用于聚氨酯真空隔热板的开孔硬泡芯材，该泡沫芯材的开孔率达95%。

A open cell polyurethane rigid foam for vacuum panel core material was prepared . The open cell percent of the core material is about 95 % .

若与气干状态下的素材比较，提高78%，可与硬阔叶树材相媲美。

The compression strength was increased by 78 % compared with that in air dried condition . The treated wood was as strong as some strong hardwoods .

矿渣改性硬石膏基胶结材水化硬化研究

Hydration and Hardening Characteristics of Anhydrite Binder Modified with Slag