沉淀性settleable solids是指水样在规定条件下,经过一定的沉降时间后,可沉淀除去的悬浮性固体
泥沙，淤泥由大小介于沙和泥之间的非常细小的微粒构成的沉淀性物质。
A sedimentary material consisting of very fine particles intermediate in size between sand and clay.
前言： 概述了凹凸棒土在高颜基比溶剂型涂料中的应用与对比，结果表明可改善溶剂型涂料的储存沉淀性，并对油漆光泽和粘度影响也不大。
The result of the study is: precipitation in storage was improved, less influence on the viscosity of the coatings and gloss of the film.
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。
Its sediments remain highly contaminated and tainted floodplain soils that wash up during storms and floods have now become a source of radioactive materials.
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