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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
      1. 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
            1. deposit as a sediment

              双语例句

              • The inhibition of copper ion on nitrification activity of nitrifying bacteria in sediment and activated sludge were studied.
                研究了铜离子对底泥和活性污泥硝化活性的抑制作用的差异。
              • Suspended sediment is one of most important parameters for water quality.
                水体中悬浮泥沙的含量是最重要的水质参数之一。
              • Finally the authors analyze the progress of evolution and development about basin sediment.
                分析了盆地沉积演化发展过程。
              • The distribution and composition of sterol compounds were determined in22 surface sediment samples collected from Bohai Bay and Jiaozhou Bay.
                测定了渤海湾和胶州湾22个表层沉积物样品中甾醇类化合物的含量,分析了其分布特征和来源。
              • Diesel fuel water and sediment
                柴油中的水和沉积物
              • 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。
              • The development of sequence can be controlled by three factors, namely tectonic subsidence, sediment supply and climate.
                层序发育的影响因素可分为构造沉降、沉积物供给和气候因素。
              • 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。
              • Scientists have found a large amount of lead in the sediment in the North sea.
                科学家们在北海的沉积物中发现了大量的铅。
              • 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。