... background radiation 背景辐射，本底辐射 backmixing 反向混合 back mutation 回复突变[突变基因又突变为原由状态] ...
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gas backmixing 气体返混
axial backmixing 轴向混合
non backmixing 无返混
fully backmixing 全返混
vapor backmixing 气相返混
backmixing theory 返混理论
liquid backmixing 液相返混
They also impede backmixing of sand.
同时也可防止砂子的返混。
The RTD measured in a four—stage experimental equipment, and the backmixing rate is estimated.
在四段实验设备内测定了停留时间分布，并估算出段间返混流率。
Experimental results indicate that the extents of axial gas backmixing are related the gas velocity.
实验结果表明湍动床存在着明显的轴向返混，轴向扩散系数与气速有关。
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