1. NIIGATA UNIVERSITY, Graduate School of Science and Technology(8050, Ikarashi, Nino-cho, Nishi-ku, Niigata-shi, Niigata 950-2181, Japan)
2. NIIGATA UNIVERSITY, Faculty of Engineering(8050, Ikarashi, Nino-cho, Nishi-ku, Niigata-shi, Niigata 950-2181, Japan)
3. TAIHEIYO CEMENT CORPORATION, Central Research Labolatory(2-4-2, Osaku, Sakura-shi, Chiba 285-8655, Japan)