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

• Modification of rinsing techniques by installing cascading or counter-current rinse systems increases the contaminant concentration.
  安装了阶梯式装置或对流漂洗装置，可改进漂洗技术，把污染物的浓度提高。
• Playday and workaday photograph are compared, the change that sewage quantity and contaminant chroma follow time all lesser.
  休息日和工作日相比，污水量及污染物浓度随时间的变化均较小。
• 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。
• 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。
• 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。
• 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。
• Nonwoven fabrics dynamic membrane bioreactor was used to treat the municipal wastewater, and the contaminant removal efficiency was investigated.
  分别利用筛绢和钢丝网作为自生动态膜生物反应器的基材并进行了处理城市污水的中试研究。
• Study on Reactive Kinetics Model and Its Parameters during Atmospheric Pressure Plasma Arc Cleaning Contaminant from Metal Surface
  大气常压等离子体弧清洗反应动力学模型和参数的研究
• The contaminant collection and component identification tests were performed during the thermal vacuum tests.
  在真空热试验过程中进行了污染物的采集及成分分析试验。
• 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。