Compared with SM25, both K absorptive capacity by roots after flowering and total K absorptive capacityingrain at maturity duration of ty 1 were much higher.
通油1号开花后根系钾素吸收量和成熟期子粒钾素吸收总量明显高于四密25。
2
The bearing capacity of bolted steel-wood-steel connections loaded parallel to grain is studied in this paper.
文章主要研究木材-钢夹板螺栓连接在顺木纹受拉时的承载能力。
3
The bearing capacity of bolted wood-steel-wood connections loaded parallel to grain is studied in this paper.