The distribution of the heavy mental elements (HMEs) in eluvial horizons, illuvial horizons and parent material horizons of 26 agricultural soil profiles in Hainan Island was studied.
采用现场采样及室内分析测试方法,对海南岛26个农业土壤剖面淋溶层、淀积层、母质层中7种重金属元素的分布特征进行研究。
| 单词 | Eluvial horizon |
| 释义 |
Eluvial horizon
英语例句库
The distribution of the heavy mental elements (HMEs) in eluvial horizons, illuvial horizons and parent material horizons of 26 agricultural soil profiles in Hainan Island was studied. 采用现场采样及室内分析测试方法,对海南岛26个农业土壤剖面淋溶层、淀积层、母质层中7种重金属元素的分布特征进行研究。
英语百科
Eluvium（重定向自Eluvial horizon）
In geology, eluvium or eluvial deposits are those geological deposits and soils that are derived by in situ weathering or weathering plus gravitational movement or accumulation. The process of removal of materials from geological or soil horizons is called eluviation or leaching. There is a difference in the usage of this term in geology and soil science. In soil science, eluviation is the transport of soil material from upper layers of soil to lower levels by downward precipitation of water across soil horizons, and accumulation of this material (illuvial deposit) in lower levels is called illuviation. In geology, the removed material is irrelevant, and the deposit (eluvial deposit) is the remaining material. Eluviation occurs when precipitation exceeds evaporation. |
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