硼含量和硼同位素组成有正相关关系。
The result reveals that there is positive relationship between boron content and boron isotopic composition.
③矿物学方面，海绿石、菱铁矿结核、硼元素含量和碳氧同位素资料也表明沉积环境由海→陆的过渡性质。
In terms of mineralogy, glauconites, siderite nodules, boron contents and carbon isotopes also show that the sedimentary environment is transitional.
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.
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.
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