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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

              • Use the microscope to study microorganisms in the water and in the sediment.
                用显微镜观察水中和砂泥中的微生物的种类及密度。
              • 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。
              • But contaminated sediment and marine organisms also seem to be involved.
                然而似乎也牵涉到遭受污染的沉积物和海洋有机物。
              • There is some sediment in the ink.
                墨水沉淀了。
              • 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。
              • 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。
              • Erosion and sediment yield process of soil dumped by people have been analyzed by simulated rainfall experiments.
                通过人工模拟降雨实验,研究分析了强降雨条件下人为弃土的侵蚀产沙量及侵蚀过程。
              • This is changeable and rapid rate of sediment production.
                这是种多变而快速的沉积作用。
              • Wetland design can moderate peak flow rate and volume of runoff discharge and sediment deposition during precipitation events.
                湿地项目可以缓和雨洪峰值流率及降水过程中的径流排放量和沉淀量。
              • The soil solute transport with surface runoff and sediment was greatly impacted by the soil texture and solute character.
                土壤质地和溶质性质对土壤溶质地表迁移过程有较大影响。