At about 5GPaand 1400℃, xerogel gamma alumina (XGA) transformed into apolymorphic mixture of phases αAl2O3,B Al2O3 and C Al2O3,while XGA containing 1wt% Cr2O3 transformed into a mixture ofphasesαAl2O3,B Al2O3 and C Al2O3 and k' Al2O3. The phases BAl2O3 and C Al...
第1集 宋江误入清风山 热度:7 状态:2集全 类型:文学文史 年份:2021 首播时间:20210127 语言/字幕:汉语 更新时间:20210127 简介:路上读书APP上传的教育视频:水浒全传.85宋江误入清风山,粉丝数336148,作品数14071,在线观看,视频简介:宋江清风山遇“二虎”...