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The analysis of coal—D accumulation have showed the sedimental geologic factors on coal thinning or absence.
揭示了D 煤层的形成背景、聚积规律及其变薄、 缺失的沉积地质因素。
The enrichment factor of sand aerosol which relate to crust and loess is the highest for absorbent sulphate and sedimental elements.
沙尘气溶胶相对地壳和黄土的富集因子，以亲硫元素和亲沉积层元素为最高。
We have identified the distribution characteristics of phosphine and its relationship with the sedimental environment in Jiaozhou Bay.
本论文通过现场调查研究了磷化氢在胶州湾沉积物中的分布特征及其与沉积环境的关系。
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