About MIYASHITA HISAYA
About 森林総合研究所林木育種センター東北育種場
About ORITA HARUKI
About 森林総合研究所林木育種センター東北育種場
About GOTO TAKASHI
About 森林総合研究所林木育種センター東北育種場
About cedar wood
About clone
About Cryptomeria japonica
About property of wood
About tree age
About breast-height diameter
About penetration test (granular)
About depth
About Young's modulus
About stress wave
About water content
About resonance (vibration)
About nondestructive inspection
About certification
About forest tree breeding
About growth stage
About strength
About estimated accuracy
About stress wave propagation velocity
About juvenile
About 10年次検定林
About 応力波伝播速度
About 横打撃共振法
About 材質育種検定
About 材質評価
About young adult
About 打ち込み深さ
About bulk density
About tree
About Nature and structure of wood(=timber)
About 若齢
About スギ
About クローン
About 材質
About 評価