生物丰度指数提高了10.43，说明南京市区生物丰富程度有很大改观；
Moreover, biological abundance index increases by 10.43, indicating that the biological diversity changes a lot positively during four years.
根据烃源岩有机质丰度并结合地质分析方法，提出了油源丰度指数的概念并以此对塔里木盆地西南坳陷的烃源岩进行了评价。
The concept of oil source abundance index is presented by combining organic abundance of source rock with geological analysis, and applied in Southwest depression of Tarim basin.
利用指数辐照理论的解析解研究了AGB星S过程元素的丰度分布规律。
Using the solution of S process chain with an exponential neutron irradiation the S process abundance distribution of AGB stars of different metallicities is investigated.
提出了一种通用的定量计算方法，即用规范化指数表示各地区的资源丰度，用“度”作为资源丰度的计量单位。
The enrichment of area resources was expressed by means of a standardized index, and the degree was taken as quantitative unit of the enrichment of resources.
指数表示法计算的资源丰度值实现了资源丰度在可比尺度上的综合评价。
The enrichment value of resources calculated by the method of index expression could synthetically evaluate the enrichment of resources on the comparative dimension.
通过对不同形式的离心级联进行丰度计算，得到任意两种组分间的全分离因子与它们的相对分子质量之差成指数关系。
Analysis of the filtered experimental data gave an exponential relationship between the overall separation factor of the cascade and the relative molecular mass differences.
通过对不同形式的离心级联进行丰度计算，得到任意两种组分间的全分离因子与它们的相对分子质量之差成指数关系。
Analysis of the filtered experimental data gave an exponential relationship between the overall separation factor of the cascade and the relative molecular mass differences.
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