美国一级毛片免费看-美国一级毛片免费看成人-美国一级毛片免费视频观看-美国一级毛片片aaa-天天操夜夜操天天操-天天操夜夜操视频

  • Operate all kinds of rare earth wire materials,

    Processing nonferrous alloys and rare earth alloy wires and bars

    Implementation standards: customized according to customer requirements Quality system: ISO9001

    Applicable process: evaporation coating, ion sputtering

    Specifications: according to customer requirements

  • Operate all kinds of rare earth wire materials,

    Processing nonferrous alloys and rare earth alloy wires and bars

    Implementation standards: customized according to customer requirements Quality system: ISO9001

    Applicable process: evaporation coating, ion sputtering

    Specifications: according to customer requirements

  • Operate all kinds of rare earth wire materials,

    Processing nonferrous alloys and rare earth alloy wires and bars

    Implementation standards: customized according to customer requirements Quality system: ISO9001

    Applicable process: evaporation coating, ion sputtering

    Applicable process: evaporation coating, ion sputtering

Yttrium oxide

Yttrium oxide

  • Category:Rare Earth products
  • Weight:0

Details:

Yttrium oxide

CAS No.:1314-36-9

Purity: Y2O3/TREO 99~99.99%

Density:5.01

Melting point:2410

Characters: It is white powder, insoluble In water and alkali, but soluble in acid

Molecular formula:Y2O3

Dissolubility:insoluble in water and alkali, but soluble in acid



主站蜘蛛池模板: 国产午夜精品福利久久 | www日本高清视频 | 色吧亚洲欧美另类 | 好吊操妞| 91大奶| 亚洲国产精品一区二区三区在线观看 | 欧美性20hd另类 | 911亚洲国产自产 | 欧美精品无需播放器在线观看 | 欧美性一交激情视频在线 | 久久综合爱| 成人综合婷婷国产精品久久免费 | 欧美日韩亚洲一区二区精品 | 国产精品短篇二区 | 91麻豆精品一二三区在线 | 亚洲视频在线观看一区 | 久久综合偷偷噜噜噜色 | 国产激情一区二区三区成人91 | 久久66久这里精品99 | 夜色精品国产一区二区 | 欧美特级视频 | 亚洲欧美国产另类 | 国产视频自拍一区 | 国产一区 在线视频 | 国产精品乱 | 四虎免费入口 | 青青热久麻豆精品视频在线观看 | 欧美视频久久久 | 久久青草免费97线频观 | 五月激情天 | 亚洲欧美在线免费 | 国产精品午夜免费观看网站 | 99久久久久国产精品免费 | 97精品在线播放 | 精品国产成人 | 日韩a级黄色片 | www日本视频 | 欧美日韩亚洲另类 | 中文字幕亚洲日韩无线码 | 免费看的www视频网站视频 | 久久久久久久免费 |