Elements (e.g. B, Mg, Sr, and S) that show no measurable depletion in surface waters compared to deep waters as a result of biological activity. Compare biolimiting elements; biointermediate elements.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。