Bunshi chikyuu kagakuteki shuhou o mochiita touhoku nihon shindaisankei keisoushitsu : keishitsu taisekigan ni yoru kokaiyou kankyou no fukugen

Kaitei taisekibutsuchuu no chousa arukenon 、 arukenoeito ni yoru kaiyou kankyou hendou no fukugen

Daichoukin to ransou o mochiita biseibutsu kankyou tekioukei no bunshi kikou kaiseki

Taisekibutsu no seibutsu chikyuu kagakuteki kaiseki ni motozuku kanshinsei kokankyou hensen ni kansuru kenkyuu