In column experiment the salt release flux from different sediment can be expressed as a negative exponential function and decrease in the order of silty clay, medium-fine sand and pelitic silt.

静水实验中沉积物向上覆水体盐分释放通量符合负的幂指数形式，并按粉质粘土、中细砂、泥质粉砂顺序递减；

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The surface soil property on the seabed northwest area of Wunansha uplift in the South Yellow sea Basin is medium compact silt fine sand and sandy silt, which are usually called ferro plate sand.

南黄海盆地勿南沙隆起西北部海区的海床表层土质为中密实的粉砂质细砂和砂质粉砂，俗称铁板砂。

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But almost all the attention of the plastic shrinkage crack are focus on the medium and coarse sand concrete and the study of super fine one not found.

目前关于塑性收缩裂缝的研究几乎都集中在中粗砂混凝土，对于特细砂混凝土塑性收缩裂缝及其相关问题的研究几乎没有。

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