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contaminant

英 [kənˈtæmɪnənt]

美 [kənˈtæmɪnənt]

n.  致污物; 污染物

复数:contaminants 

IELTS计算机

BNC.22602 / COCA.9858

牛津词典

    noun

    • 致污物;污染物
      a substance that makes sth impure
      1. Filters do not remove all contaminants from water.
        过滤器无法过滤掉水中的所有污染物。

    柯林斯词典

    • N-COUNT 污染物
      Acontaminantis something that contaminates a substance such as water or food.
      1. Contaminants found in poultry will also be found in their eggs...
        家禽身上发现的污染物,在禽蛋里也会有。
      2. We are exposed to an overwhelming number of chemical contaminants every day in our air, water and food.
        我们每天都会通过空气、水和食品接触到数量惊人的化学污染物。

    英英释义

    noun

    双语例句

    • The contaminant has been found in heparin taken by people who had reactions.
      在有不良反应的患者所使用的肝素中也发现了此种物质。
    • The gas contains blow-by, sludge, acids, oil, and other contaminant.
      这些气体包括窜缸气体,沉积物,酸,机油和其它杂质的气体。
    • Using soluble glucose and particulate starch as organic matters in the feeding water, the contaminant removal efficiency was investigated in jar test and the fluidized pellet bed reactor.
      分别采用溶解性葡萄糖和颗粒性淀粉作为配水中的有机物,考察了混凝(烧杯试验)及造粒流化床对有机物的去除特性。
    • Analysis of the ingredient of organic contaminant in Maize of some irrigation areas
      某灌溉区玉米中有机污染物的成分分析
    • Numerical analysis of contaminant transport process through landfill considering nonequilibrium and nonlinear sorption behaviour;
      本文提出了一个模拟饱和非饱和土壤中溶和污染物运移过程的数值模型。
    • Manufacturers and distributors of water treatment equipment for filtration, disinfection, contaminant removal and testing of water are widely represented.
      生产和销售过滤,消毒,污物去除和测试设备的生产商和批发商将广泛参展。
    • But carbon dioxide is not a contaminant-it is the inevitable by-product of carbon in the coal reacting with oxygen in the air.
      但是,二氧化碳并不是污染物质&它是煤炭和氧气在空气中反应后产生的不可避免的副产品。
    • Using Pearl River source water as raw water, the contaminant removal effect of carbon and sand filter after the biological aerated filter ( BAF) pretreatment process was investigated.
      以珠江广州段源水为处理对象,考察了曝气生物滤池(BAF)预处理工艺后炭砂滤池的除污效果。
    • The writer also estimate the non-point pollution grade of every distinct according to contaminant charge.
      最后以污染负荷为依据进行面源污染的整体评价,得出了各行政区的面源污染等级。
    • Based on fluid-solid coupling the landfill contaminant transport model and its simulation;
      基于两相流体动力学及流固耦合传热建立了流动与传热方程。