• 本发明提供的磁材含有钕铁硼永磁主体材料添加剂其中,所述添加剂纳米化合物

    The permanent magnetic material contains a main neodymium iron boron permanent magnetic material and an additive, wherein, the addictive is nano gadolinium compound.

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  • ()-中子寿命测井以硼、钆化合物溶液作为指示剂,采用“测渗测”方法,能够很好地解决多油层砂岩油田含水后期监测储层剩余油饱和度的问题。

    Boron gadolinium neutron life time logging is a method for monitoring the residual oil saturation in late of high water cut stage of sandstone oil field.

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  • 发明单相化合物以及制备方法涉及稀土硅化物材料

    The invention discloses single-phase gadolinium-silicon compounds and the method for preparation, and relates to a rare earth silicide material.

    youdao

  • 发明单相化合物以及制备方法涉及稀土硅化物材料

    The invention discloses single-phase gadolinium-silicon compounds and the method for preparation, and relates to a rare earth silicide material.

    youdao

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