However, the excessive refinement of grains resulted in the growth stress increase of the oxides film and then the oxide films cracked and shed; as a result, the oxidation was exacerbated.
但晶粒过细时，导致氧化膜内生长应力的增加，引起氧化膜的开裂、脱落，从而加剧了氧化。
As with grains, the problem is not the sugars themselves, but the refinement of the fruit.
至于谷物，问题不在于糖本身，而是水果的精制。
The results show that, increasing cooling rate, pre-deformation and grain refinement are useful for spreading of the non-equilibrium microstructure around the primary grains.
结果表明：增加冷却速率、预变形处理和晶粒细化有利于初始凝固组织中存在的非平衡组织的分散细化。
The results indicate that niobium compounds form during solidification, leading to the refinement of austenite grains. The mechanism of grain refinement has been investigated extensively.
铌化物是在凝固过程中形成，具有细化奥氏体晶粒的作用，并分析研究了铌细化高锰钢奥氏体晶粒的机制。
The refinement and rounding of grains are mainly completed by the interaction of internal phases, while the densification of the powder specimen is achieved by the interaction of the powder particles.
晶粒的细化和圆整化主要是在粉末颗粒内部各相之间的相互作用下完成的，而粉末试样的致密化主要是由粉末颗粒之间的相互作用完成的。
Grain refinement during asymmetric rolling was studied. The result showed that the grains of asymmetric rolled product are finer than that of symmetric rolled product in the same reduction.
研究了不对称轧制晶粒细化问题，结果表明，与对称轧制相比，在相同的变形量下不对称轧制可以使晶粒更细。
The structure refinement improves with the increase of temperature, but over a certain temperature, the effect of refining grains decreases.
随着施振温度的升高，细化作用越好，但当温度提高到一定程度时，细化效果减弱。
The structure refinement improves with the increase of temperature, but over a certain temperature, the effect of refining grains decreases.
随着施振温度的升高，细化作用越好，但当温度提高到一定程度时，细化效果减弱。
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