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

• a substance that contaminates
  Synonym:contamination

双语例句

• 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。
• Study on Source Airborne Molecular Contaminant, and Monitoring System
  空气传播分子污染物、源头及监控系统的研究
• 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。
• Numerical Simulation of Indoor Contaminant and Control in Large Space Building
  高大空间室内污染物控制的数值模拟与研究
• Progress of ecological risk analysis method of organic contaminant in sediments
  沉积物中有机污染物生态风险分析方法研究
• 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 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。
• Degradation of organic contaminant in landfill leachate by solar-Fenton process
  太阳光Fenton法处理垃圾渗滤液中有机污染物
• 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。
• Analytical solution of contaminant diffusion through semi-infinite clay under non-linear adsorption condition;
  并且对于非线性吸附采用组合变量和解析迭代方法进行求解。