相对丰度又称同位素丰度比(isotopic abundance ratio),指气体中轻组分的丰度C与其余组分丰度之和的比值。在生态中相对丰度:群落内物种数目的多少。不同的群落中物种丰度是不同的,从赤道到南北极,群落的物种丰度逐渐减少。 物种丰度(species richness)越大,其结构就越复杂,抵抗力稳定性就大。
同位素的相对丰度 abundance ratio of isotopes
同位素相对丰度 abundance ratio of isotopes ; relative isotopic abundance ; isotopic abundance ; fractional diffusion isotopic abundance
储量相对丰度 RAOR
相对丰富度 relative abundance ; relative richness
相对同位素丰度测量 relative isotope abundance determination
相对同位素丰度 fractional isotopic abundance ; abundance relative isotopic
物质中不同核同位素的相对丰度能够提供更多的线索。
The relative abundance of different nuclear isotopes in the material could reveal additional clues.
协惯量分析结果表明,相对丰度与环境变量显著相关。
A co-inertia analysis showed that species abundance and environmental variables had significant relationship.
指纹型材被发现从不同的地点采集草药一致,但峰的相对丰度变化。
Fingerprint profiles were found to be consistent for the herbs acquired from different locations, but the relative abundance of peaks was varied.
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