并对青海大柴旦地区和湖北潜 江地区的石盐中的硼进行了提取和同位素组成的测定；
The isotopic compositions of boron in halites from Qaidam Basin, Qinghai Province and Qianjiang, Hubei Province were measured.
具体结论如下：石墨发射剂的量和涂样顺序对硼同位素比值的测定有一定的影响。
The results showed as the following: The content of graphite as loading agent and the sequence of loading graphite and the sample to the filament affect the boron isotopic ratios.
李世珍 肖应凯 研究员 ：本文系统而简要地介绍了硼的分离纯化，硼含量和硼同位素组成的测定。
Abstr act: In this study, the methods of preparation and isotopic measurement of boron are introduced systematically and briefly.
采用二次离子交换法分离天然样品中的硼是一种更有效的从天然样品中分离和纯化硼的分离方法，因而，也进一步提高了硼同位素组成测定的测量精度。
The results showed that boron separation by the two-step ion exchange for isotopic measurement was more effective. It achieved high accuracy of isotopic measurement of boron.
采用二次离子交换法分离天然样品中的硼是一种更有效的从天然样品中分离和纯化硼的分离方法，因而，也进一步提高了硼同位素组成测定的测量精度。
The results showed that boron separation by the two-step ion exchange for isotopic measurement was more effective. It achieved high accuracy of isotopic measurement of boron.
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