为了对颗粒表面进行改性，在自行设计组装的流化床反应器中，利用化学气相沉积法(CVD)制备了不同的复合颗粒。
In order to modify the surface properties of the particles, composite particles are prepared by the process of Chemical Vapor Deposition (CVD) in a fluidized bed reactor.
减少反应器内部的自由空间，是提高流场品质和化学气相沉积效果的关键。
It is key to improve the chemical vapor infiltration quality that reducing the free-space in the CVI reactor.
CVI（ 化学气相浸渗） 反应器内气体的输运对基体的沉积速度与沉积质量有重要的影响。
The effect of fluid flow in the CVI reactors on the deposition velocity and quality is of great importance.
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