国際会議 Tribology Property in Oil-Impregnated Porous Carbon Materials made from Rice Hull Proceedings of the 8th International Conference on Materials Engineering 2017 AKITA, AP-34, pp.330-335, Flash Drive (2017) Kento HONMA, Tomoya MASUYAMA, Takeshi TAKAHASHI, Hiroshi IIZUKA, Michiaki SHISHIDO