About KATAOKA YUTAKA
About Wood
About acceleration test
About weatherability test
About light source
About degradation (alteration)
About meteorological phenomenon
About Environment
About standard (specification)
About xenon lamp
About ultraviolet lamp
About arc lamp
About JIS
About artificial light source
About accelerated weathering test
About test
About オープンフレームカーボンアークランプ
About キセノンアークランプ
About 気象変化
About 紫外線蛍光ランプ
About 試験規格
About 人工的環境
About accelerated weathering test
About Nature and structure of wood(=timber)
About Light sources
About Resistivity
About 実験
About 木材
About 促進耐候性試験
About ヒント