About SAKAMOTO Shuichi
About Dep. of Mechanical and Production Engineering, Niigata Univ.
About SAKUMA Yosuke
About Graduate School of Sci. and Technol., Niigata Univ.
About YANAGIMOTO Kensaku
About Tsuruoka National Coll. of Technol.
About WATANABE Seiji
About Tsuruoka National Coll. of Technol.
About Journal of Environment and Engineering (Web)
About granular material
About acoustic characteristic
About multilayer
About incidence
About absorption coefficient
About porous medium
About multistory structure
About Glass
About particle
About normal incidence
About spherical particle
About Propagation of sound waves
About 粒状材料
About 音響特性
About 基礎
About 研究
About 粒径
About 多重層
About 垂直入射
About 吸収係数