Its sediments remain highly contaminated and tainted floodplain soils that wash up during storms and floods have now become a source of radioactive materials.
河流的沉淀物中含有大量的放射性物质，这些放射性物质被暴风雨或洪水冲上河滩，使那里的土壤成为放射性污染源之一。
The interstitial water in surface sediments is taken to be the sample source of liquid hydrocarbon for offshore oil and gas geochemical prospectation.
表层沉积物间隙水可作为海洋油气化探液态烃的样品源。
The lithological feature of the sediments in the foreland basin reflects the double-source supply and the orogenic-belt erosion.
前陆盆地沉积物的岩石学特征反映了双物源供给和造山带的剥蚀。
The results show that carbonate content is influenced by grain-size composition and source of the sediments.
结果表明，沉积物中碳酸盐含量明显受沉积物粒度组成和物源的影响。
The distribution pattern of REE is in accordance with the characteristic of Late Paleozoic sediments in North China platform, reflecting that it is inherited from the source rock.
稀土元素分布模式与华北晚古生代沉积的特征是一致的，表明煤样稀土元素分布模式是由源岩继承下来的。
Rare earth elements (REE) have important tracing significance on studies about sedimentation environment, source and forming of sediments.
稀土元素(REE)在揭示沉积环境，研究沉积物物源及成因方面具有重要的示踪意义。
The regular features of aromatics distribution in the sediments with different sedimentary environments are useful in the research source of crude oil.
这些不同沉积环境地层的芳烃分布规律，可用于研究原油的油源。
Clastic sediments bears much information about the nature of source rocks and their tectonic evolution, which is significant for sedimentary basin analysis.
碎屑沉积物记录着有关源岩性质和构造演化等诸多重要的信息，对于沉积盆地分析和理解区域构造演化都有重要的指示意义。
There is great thickness of lake sediments of Eogene in Biyang rifted-basin. The layers in the deep depression which was the main oil source area are almost horizontal.
泌阳断陷沉积了巨厚的老第三系稳定的湖相水下沉积，深凹区是主要的生油区，地层极平缓。
The source rocks are mainly formed in interdeltaic bay and lower delta plain environments where intermediate subsidence is kept and there is little input of the sediments from land.
烃源岩主要形成于三角洲间湾和下三角洲平原，这里沉降幅度中等且陆源供给受到限制。
With the rise and fall of datum plane, sedimentary centre of sand stone moved towards sediments source or basin.
并且随基准面上升和下降，砂岩沉积中心分别向物源和盆地方向迁移。
With the rise and fall of datum plane, sedimentary centre of sand stone moved towards sediments source or basin.
并且随基准面上升和下降，砂岩沉积中心分别向物源和盆地方向迁移。
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