15200421,,,,,,20003,,,,,,,,;,[1],,60.75mm7.50.75mm,14.43,22.1(),,,,,(,),,,,,,,,,0.10.2mm,,,2.2,,,1(a)(,410083),,,,,©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1641(b)1(a)(b)21,,,,,2,,,,,,,,,,33.1,(1),,,,,,,,,,,,,,,,,,,,,[2],,(),,--,,,,--,,(2),,,,,,,,,,,,(19)©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1920042NaOH3,3%10203040501051109782775,,;,,,1..:,19932..:,1998,(3),,,,,,,(),,,;,,,,3.2(1)ss,(2),,,(3),,,,(4),,(5),,(6),,4,,,,,,1.:,19812..,2000.12(16)©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3Vol.41No.2©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.