磁场对于半导体晶体生长过程中的熔体流动模式有着明显的影响，因而可以改善晶体的组分和杂质的分布。
Because it can affect the mode of fluid in the process of growing semiconductors, the magnetic field can improve the distribution of composite and impurities in the crystal.
与常规制备方法相比，根据本发明制备的有机亚硝酸酯显示出杂质较少并且存贮稳定性改善。
Organic nitrites produced according to the invention exhibit less impurities and improved storage stability compared to conventionally produced nitrites.
分子束注入减小了杂质辐射，有效地提高了电子密度，改善了等离子体的约束性能。
The results of the molecular beam injection show that the impurity have been decreased, the electron density have been increases, and the plasma confinement property was improved.
采用脱氮活性高的RN-2催化剂对管输油的焦化蜡油进行加氢处理，脱除其中的氮、硫等杂质及改善烃类组成后，进行催化裂化或与直馏蜡油混合作催化裂化进料。
CGO were hydrotreated by RN 2 catalyst to remove N and S impurities and improve the quality. The hydrotreated CGO was proposed to be mixed with VGO as FCC feedstock after testing in the pilot plant.
用含锆硅铁以及它的复合合金对含铅、砷、锡等杂质元素的铸铁进行孕育处理，可以有效地改善铸铁的组织和性能。
Inoculating the cast iron containing lead, complex alloy can improve effectively the structure and properties of the cast iron.
用含锆硅铁以及它的复合合金对含铅、砷、锡等杂质元素的铸铁进行孕育处理，可以有效地改善铸铁的组织和性能。
Inoculating the cast iron containing lead, complex alloy can improve effectively the structure and properties of the cast iron.
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