Nano-porous ZrO_2 aerogels were prepared with zirconyl nitrate dihydrate ( ZrO ( NO_3 ) _2.5H_2O ) by heating hydro-thermal method subseqently supercritical drying technique .

以 硝酸 氧 锆（ZrO（NO3）2.5H2O）为原料，采用水热法和超临界干燥技术制备了ZrO2气凝胶。