Ｐｒｅｐａｒａｔｉｏｎ ｏｆ ｔｈｅ Ｐｏｔａｔｏ Ｌｅｅｓ-Ｇｙｐｓｕｍ Ｂｏａｒｄｓ ａｎｄ ｔｈｅｉｒ ＴｈｅｒｍａＩ Ｐｒｏｐｅｒｔｉｅｓ

摘要

Synopsis: The gypsum boards containing potato lees or pulp have been prepared and their thermal conductivities and specific gravities have been detected. These results suggest that the physical properties of gypsum boards are improved by addition of lees or pulp in preparation.