sediment

英 [ˈsedɪmənt]

美 [ˈsedɪmənt]

n.  沉淀物; 沉积物

复数：sediments　

TOEFLIELTSGRETEM8化学

Collins.1 / BNC.5512 / COCA.7879

牛津词典

noun

• 沉淀物
  the solid material that settles at the bottom of a liquid
• 沉积物
  sand, stones, mud, etc. carried by water or wind and left, for example, on the bottom of a lake, river, etc.

柯林斯词典

• N-VAR 沉渣;沉淀物
  Sedimentis solid material that settles at the bottom of a liquid, especially earth and pieces of rock that have been carried along and then left somewhere by water, ice, or wind.
  1. Many organisms that die in the sea are soon buried by sediment.
     海洋里死亡的许多生物会很快被沉淀物掩埋。
  2. ...ocean sediments.
     海洋沉淀物

英英释义

noun

• matter that has been deposited by some natural process
  Synonym:deposit

verb

• settle as sediment
• deposit as a sediment

双语例句

• This model introduces a concept of unsaturated sediment transport, reflecting the variation of rill erosion along the distance.
  该模型引入了非饱和输沙的概念，能够反映沿程细沟侵蚀的变化规律。
• This paper summarized the progress of studies on the environmental pollution of heavy metals in lake sediment.
  综述了湖相沉积物重金属环境污染研究进展。
• Test studies on starting and transport pattern of sediment of Tonggu Shallows were performed.
  对铜鼓浅滩泥沙的起动、运移形态进行了试验研究。
• Runoff and sediment yields are greatly affected by the type of land use.
  土地利用类型不同对产流产沙的影响程度不同。
• And the temperature of producing gelatin and sediment is up to their types, thicknesses and heating speeds.
  而发生这种凝胶和沉淀的温度主要取决于他们的类型、浓度和加热速率。
• Many organisms that die in the sea are soon buried by sediment.
  海洋里死亡的许多生物会很快被沉淀物掩埋。
• This is changeable and rapid rate of sediment production.
  这是种多变而快速的沉积作用。
• They also protect watercourses and maintain water quality by reducing sediment and filtering pollutants.
  他们还可以保护河道，并通过减少沉积物和过滤污染物保持水质。
• Diesel fuel water and sediment
  柴油中的水和沉积物
• The impact of environmental factors on cod, tn, tp release from sediment
  环境因子对底泥释放COD、TN和TP的影响研究