bottom sediment

基本解释

This article, by means of biological toxicity tests, analyzes the feature of the bottom Sediment poison pollution in the Dashahe River.
运用生物毒性监测方法，对深圳市南山区大沙河底泥毒物污染特征进行了分析。
Apart from this, it discusses the starting current velocity of bottom sediment affected with vertical waves as well as the settling velocity of silt particles.
对立波作用下底沙起动流速和泥沙颗粒沉降速度作了探讨。
A dynamic pilot system was built to estimate oil-pollutant removal efficiencies using three kinds of media (slag, gravel and lake bottom sediment) and the slag bed behaved best.
动态吸附试验表明，各种填料床对石油类的去除效果为炉渣床＞砾石床＞湖泊底泥床；

According to Nielsen, operating a car having an extremely low fuel level can cause sediment that collects at the bottom of the tank to clog the fuel pump pickup, the fuel filter or the fuel injectors.
FORBES: Gas Prices Too High? Don't Put Off a Fill-Up!

底泥
Theaverage percentage of the NH_4~+-N occupied the inorganic nitrogen was 96 %, and occupied the TNwas 88%, indicated that the NH_4~+-N content was the highest in the porewater of bottom sediment inthe entire cultivated process.
由此表明：在整个养殖过程中虾池底泥间隙水中所含的氮中铵态氮的含量最高。
底质

桩底沉渣
The usual form defect of piles include the party necked-in of piles , shaft mud cake and bottom sediment, etc.
常见的缺陷形式有桩身局部缩径、桩侧泥皮和桩底沉渣过厚等质量缺陷。
地球科学
底部沉积物
底沉积物
海底沉淀物