对提取搅拌槽通过冷、热模放大实验得出，按临界悬浮转速放大，放大效应很小，是比较理想的放大方法，而且在一定转速范围内茶多酚提取属内扩散控制过程。
The results of magnification experiments show that critical suspension speed is an ideal scale-up method and the extraction process is controlled by interior diffusion within a certain agitating rate.
为了避免转子超越弯曲模态的临界转速，转子轴伸长度应控制在安全范围内。
The shaft extension should be maintained at a safe range in order to avoid critical speed at rotor bending modes.
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