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高温区域熔融
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高温区域熔融
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理学
高温区域熔融
释
high-temperature zone melting
高温区域熔融
在高温下,利用杂质在固态溶体(固相)和液态溶体(液相)中的平衡溶解度差异,通过分凝原理改变其原有分布状态,实现组分纯化的一种分离方法。简称区域熔融或区熔,又称高温区域熔炼或高温区域精制。
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presheaf of groups
presheaf of sets
presheaf structure
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preshot
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preshrunk
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Presidential Records Act
president of the People's Republic of China
president-responsibility system under the leadership of Chinese Communist Party Committee
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presidium of the National People's Congress
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pre-slotted liner
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presolar nebula
presolar object
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