Meanwhile, the primary dendrite spacing is decreased and the secondary dendrite branches are restrained.
并且随着对流强度的加大，一次枝晶间距降低，二次枝晶的生长被抑制。
Within specified limits, the primary dendrite spacing will be extended and the macrostructure defect will be obviously decreased in continuous cast billet with the increase of silicon content.
指出在一定限度内，随硅含量增加，铸坯的一次晶间距加宽，各类低倍组织缺陷大大减少。
The effects of the plate spacing, approach velocity and the primary air temperature on evaporative cooler was predicted theoretically.
通过计算表明，换热器通道间距、空气的迎面风速，以及一次风的干球温度的变化对换热器效率有很大的影响；
The variation rule of the primary dendritic spacing in the casting blanks and the effect of the bulge size on dendritic spacing were studied.
探讨了铸坯中一次枝晶间距的变化规律及其“鼓肚”量对枝晶间距的影响。
Based on the conformation of the solidification rate expression, the quantitative calculation of the primary dendritic spacing in the continuous casting was done.
通过确定凝固速度的表达式，定量计算了连铸过程中一次枝晶间距。
When the content of copper increases from 1.77% to 3.00%, the primary dendritic spacing gradually presents enlarging tendency, but the adding argument is not great.
当试样铜含量从1.77%增加到3.00%时，一次枝晶间距逐步增大，但枝晶间距增加幅度较小；
When the content of copper increases from 1.77% to 3.00%, the primary dendritic spacing gradually presents enlarging tendency, but the adding argument is not great.
当试样铜含量从1.77%增加到3.00%时，一次枝晶间距逐步增大，但枝晶间距增加幅度较小；
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