About HEKI ERIKA
About 北海道大学農学研究科
About KOIZUMI AKIO
About 北海道大学農学研究院
About SASAKI YOSHIHISA
About 北海道大学農学研究院
About TORITA HIROYUKI
About 北海道立総合研究機構林業試験場道南支場
About bending test (bending)
About tree (plant)
About trunk (tree)
About Young's modulus
About nondestructive measurement
About Wood
About Abies sachalinensis
About Larix kaempferi
About velocity
About vibration test
About property of wood
About forest mensuration
About log
About Dahurian Larch
About stress wave propagation velocity
About Larix gmelinii
About stress wave propagation velocity
About 立木曲げ試験
About nondestructive test
About modulus of elasticity
About coniferous plantation
About stress wave velocity
About longitudinal vibration
About Nature and structure of wood(=timber)
About Forest mensuration(=dendrometry)
About 立木
About 曲げ試験
About 造林木
About 樹幹
About ヤング率
About 検証