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The concentration of impurity and defects in the crystals decreased dramatically, and the capability of irradiation-resistant improved synchronously as the increase of re-crystallization times.
随着再结晶次数的增加，晶体中的杂质浓度和缺陷浓度明显降低，晶体的耐辐射性能明显提高。
After column chromatographic separation, re-crystallization treatment and supercritical fluid precipitation treatment, the purity of lutein is improved.
粗提物经柱层析分离，重结晶，再经过超临界流体沉淀处理后，可提高叶黄素的纯度。
In fact the cause of adhere mechanism is the diffusion between the elements of the cutter and workpiece as well as the re-crystallization.
这种粘结实质是切削过程中刀具与工件元素之间的相互扩散及形成再结晶所致。
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