About SHIMBO MINORU
About 金沢工大 材料システム研
About KOSHIDA SHIREI
About シーアイ化成工業
About MISAWA AKIHIRO
About 材料システム
About bell
About foam molding
About sphere
About polypropylene
About attenuation characteristic
About drop test
About sound insulation
About carbon dioxide
About impact test
About sound insulating material
About rigid sphere
About supercritical carbon dioxide
About metal ball
About steel ball
About sound insulation performance
About Foam molding
About Propagation of sound waves
About 鈴
About 構造体
About 製造法
About 減衰特性
About 研究