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化学气相迁移
释义
化学气相迁移
Encyclopedia
理学
化学气相迁移
释
chemical vapor transport
化学气相迁移
一个共同特征的异相反应,凝聚态物质(通常是固体粉体)(A)本身挥发压力不足,但在气相反应剂(B)的存在下,B与A封闭在同一管子中,加热时B与A反应,生成气相的AB,当AB迁移至不同温度或压力的管子的另一处时,AB分解,A再以晶体的形式沉积,达到物质的提纯或改变物理状态(或二者兼有)的反应。
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effective Hamiltonian
effective height
effective history
effective hydrocarbon source area
effective indenter
effective interaction
effective ionic radiu
effective ion Larmor radius
effective Lagrangian of non Abelian gauge theory
effective Lagrangian of non-Abelian gauge theory
effective Lande g factor
effective length
effective length of capillary
effective line width
effective listening
effectively computable function
effectively decidable theory
effectively denumerable set
effectively equivalent sets
effectively hyperbolic
effective magnetization
effective magnification
effective masking
effective mass
effective mass approximation
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