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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 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。
              • 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。
              • 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 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
              • 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。
              • 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。
              • 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。
              • 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。
              • 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。