"Kiyohiko Nakasaki,Hirai Hidehira","Temperature control strategy to enhance the activity of yeast inoculated into compost raw material for accelerated composting",,"Waste Management",,,,,2017,
"中崎清彦,平井秀平","酵母の接種と温度制御を組み合わせたコンポスト化における有機物分解促進効果","第27回廃棄物資源循環学会",,,,,,2016,Sept.
"平井秀平,中崎清彦","複合微生物系であるコンポスト化で接種した微生物を生かして使う温度制御","第68回日本生物工学会大会",,,,,,2016,Sept.
"T. Pipatpongsa,H. Hirai","A simple model experiment of undercut slope using 10 yen coins inclined along the bedding plane","第17回応用力学シンポジウム",,,,,"pp. 71-72",2014,May
"T. Pipatpongsa,H. Hirai","Simple model tests for an undercut slope using closed-packs of 10 yen coins inclined along a bedding plane","The 4th Tokyo Tech-KU Joint Seminar on Infrastructure Development","Proceedings of the 4th Tokyo Tech - KU Joint Seminar on Infrastructure Development",,,,"pp. 139-144",2013,Oct.
"T. Techawongsakorn,H. Hirai,M.H. Khosravi,T. Pipatpongsa","Slip mechanisms and interface shear strength between moist silica sand and acrylic plate","The 48th Japan National Conference on Geotechnical Engineering","Proceedings of the 48th Japan National Conference on Geotechnical Engineering","The Japanese Geotechnical Society",,,"pp. 895-896",2013,July
"H. Hirai,M.H. Khosravi,T. Pipatpongsa","Geometrical shape of arch formed by collapse of undercut slope","The 62nd National Congress of Theoretical and Applied Mechanics","第62回理論応用力学講演会講演論文集",,,,"  OS13-04",2013,Mar.