结果表明，在合金结晶过程中导入超声波可提高生核率，使合金组织细化，从而提高其力学性能。
The results revealed that application of ultrasonic during solidification of alloys can increase the nucleation rate and refine alloy structures. thus improving the mechanical properties.
研究结果表明，在钢液中造成一定方向和程度的成分起伏，可以促进钢液生核，从而增加铸坯中等轴晶数量。
The experiment results show that special constituent fluctuation in certain direction and with enough strength in liquid metal can promote nucleation in liquid metal and increase...
虽然，像细菌一样，古生菌也没有细胞核，但是它们与你我这样的真核生物具有其他共同的特性。
While, like bacteria, archaeans don't have a cell nucleus, they share other traits with eukaryotes like you and me.
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