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      全黄激性性视频尚爱网,99热精国产这里只有精品,91区国产福利在线观看午夜,国产好看的av在线播放

      優(yōu)質(zhì)鋯粉
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      Jinzhou Institute of Metal Materials

      Company: Jinzhou Metal Materials Research Institute Company

      Address: Luotaizi, Taihe District, Jinzhou City, Liaoning Province

      Domestic Trade Department: 0416-4593067

      0416-4676672

      0416-4593078

      0416-4677283

      Foreign Trade Department Tel: 0416-4675064

      Email address: seller@jzmm.com

      Fax: 0416-4675615

      Zip code: 121001

      Company website: m.86833zr.com/en


      鋯粉與氫的反應

      2020-12-21
      Times

        鋯極易吸收氫, 形成多種鋯的氫化物中間相。 當溫度高于300℃時, 鋯與氫發(fā)生反應, 當溫度達到400℃時, 反應速度加快并形成固溶體。 氫含量不同的鋯粉發(fā)火點與點火所需的能量均不同。 鋯粉中氫含量小于0. 01%時, 發(fā)火點與普通鋯粉無異, 氫含量大于0. 5%時, 發(fā)火點升高。 鋯粉的發(fā)火點與含氫量的關系見表1。

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      Address: Luotaizi, Taihe District, Jinzhou City, Liaoning Province

      Domestic Trade Department Tel: 0416-4593067/4676672 Email: seller@jzmm.com Company website: official zip code: 121001


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