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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Vitrified clay pipes and clay A-blocks, which are typically used in firing kilns, now serve as 18 column covers located throughout the Center.