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electromigration refining of rare earth
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electromigration refining of rare earth
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工学
稀土金属精炼提纯
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electromigration refining of rare earth
稀土金属电迁移法精炼
电场作用下,利用杂质离子有效电荷和扩散系统的差异性,使杂质元素沿金属棒长的分布发生变化,实现分离杂质和提纯稀土金属的工艺。
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differentiable action
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differentiable dependence
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differentiable group
differentiable groupoid
differentiable homeomorphism
differentiable in a point
differentiable in mean square
differentiable isotopy
differentiable manifold
differentiable mapping
differentiable operator
differentiable path
differentiable pinching problem
differentiable process
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