操久久久,极品少妇一区二区,免费观看60分钟 日韩精品一区在线观看,欧美最顶级丰满裸体,乱一色一毛一片,a级片网址,日本亚洲黄色

Gadolinium oxide
Gadolinium oxide
Detail
White amorphous powder. Density 7.407g/cm3. Melting point 2330 + 20 C. Insoluble in water, soluble in acid to form the corresponding salt. It is easy to absorb water and carbon dioxide in the air, and can work with ammonia to produce gadolinium hydrate precipitate. It is used as the additive of gadolinium iron garnet, yttrium aluminum garnet, medical equipment industry as the sensitizing fluorescence material, and can also be used as the additive of the optical prism.
Scan QR codeClose