Compared it with conventional billet, billet cast with high frequency electromagnetic field, on which depth of surface oscillation mark was decreased remarkably, had a smooth surface.
施加高频电磁场的铸坯与传统连铸坯相比，表面振动痕深度明显减小，且表面光滑。
La Nina is a natural 3-6-year cycle, and the cold stretch of a periodic thermal oscillation in ocean surface temperatures that occurs throughout the tropical Pacific.
拉尼娜每隔3到6年发生一次，太平洋热带地区海水温度会随之发生周期性的异常变冷。
The movement locus precision of mould oscillation equipment does much influence on strand surface quality.
结晶器振动装置的运动精度对铸坯的表面质量有很大影响。
On the contrary, the surface imperfections, such as oscillation and subsurface segregation etc, found in DCC ingot, cause the mechanical properties drop largely.
相反，普通连续铸造锭表面因存在振动痕和亚表面偏析等铸造缺陷，力学性能大大降低。
It is to be mentioned that an important prerequisite for these excellent de-scaling results is an optimal shape of oscillation marks on the slab surface.
这就不得不提到对于这种完美的除锈结果的一个重要的先决条件，那就是板坯表面的最佳的震荡痕迹。
The stress and distortion of initial solidifying shell due to mold oscillation is the main reason of generating strand surface cracks.
结晶器振动导致初凝坯壳受力和变形是产生铸坯表面裂纹的主要原因。
The surface cracks formation can be restrained by decreasing oscillation frequency and increasing amplitude and nonsinusoidal oscillation factor properly.
适当降低振频，增大振幅和非正弦振动因子可抑制表面裂纹形成。
The presence of a smooth interface is responsible for the observation of intensity oscillation in GIXR, which is well correlated to step flow observation in AFM images of the surface.
掠入射x射线反射谱的显著强度振荡与原子力显微镜所观察到的台阶流动形貌表明了平整的界面和表面的存在。
The finite oscillation and destruction of thermo-hyperelastic cylindrical shells subjected to a suddenly applied dead-load on the inner surface under different temperature fields were studied.
研究了热超弹性圆柱壳在内表面突加载荷及不同温度场作用下的运动与破坏问题。
The influence of the harbour length and the impedance on the oscillation of water surface in the chamber is discussed.
论讨了不同港池长度、不同阻抗规律对气室水面振荡的影响。结果表明，不同阻抗规律对气室水面的振荡有显著影响。
The results show that the possibility of surface cracks formation increases with oscillation frequency and amplitude, and the influence of oscillation frequency is stronger than that of amplitude.
研究结果表明：提高振频和振幅均增大铸坯表面裂纹形成的可能，振频影响强于振幅；
There was no obvious oscillation mark on the billet surface. The average steel production of a copper tube was 3700 ton.
铸坯表面质量良好，单根铜管的平均过钢量为3700吨。
There was no obvious oscillation mark on the billet surface. The average steel production of a copper tube was 3700 ton.
铸坯表面质量良好，单根铜管的平均过钢量为3700吨。
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