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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

              • 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。
              • 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 paper assessed the sediment environment of soft marine clays and their physical and mechanical properties.
                本文对连云港浅层软土的沉积环境,物理力学性质和结构性进行探讨和分析。
              • 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。
              • According to ADCP data and suspended sediment concentration, suspended sediment movement in the Yangtze River estuary is studied.
                摘要采用adcp实测水流资料与悬沙含量实测资料相结合的方法,对长江口悬沙运动进行分析。
              • 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。
              • 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。
              • The experiment results are meaningful for quantifying runoff and sediment reduction and deepening soil erosion mechanical process also.
                研究结果对定量评价草被减流减沙作用和深化土壤侵蚀力学过程有一定的参考意义。
              • The biggest ecological impact could be less sediment swept downstream as silt accumulates in the reservoirs.
                大坝最大的生态影响可能是使流往下游的沉积物变少了,因为淤泥都聚集在水库里。
              • 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。