In this paper, concentration, speciation, bioavailability, distribution, and mobility of rare earth elements (REEs) in the soil, as well as some relating facto rs were reviewed.

综述了土壤中稀土元素含量、稀土赋存形态、稀土生物有效性、稀土在土壤环境中的分布规律、迁移方式及其影响因子。

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A brief introduction of environmental and ecological characteristics of hyperaccumulators of rare earth elements (REEs), as well as the scientific significance of REE hyperaccumulators were presented.

概述了稀土元素的环境生态学特性及其超积累植物，并对稀土元素超积累植物研究的重要科学意义进行了介绍。

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Existent state variation of rare earth elements (REEs) in wheat rhizosphere and non-rhizosphere soils were studied using root - box technique.

采用根际袋法研究了稀土在春小麦根际土壤与非根际土壤中存在形态的差别。

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In the light of the Chinese hegemony for its own energy projects, it is feared that a paucity in the global supply of rare earth elements (REEs)will ensue.

FORBES: EU Set to Stockpile Rare Earth Elements

As I noted in previous posts, there is the further question of whether there will be sufficient quantities of rare earth elements (REEs) available on the world markets to make the turbine magnets, which need about one ton of neodymium per 4 MW of rated capacity.

FORBES: The Heretic: Electric Cars Should Be Called Coal Cars