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

• 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
• 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
• 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
• They could generally be divided into two categories: direct and indirect contaminant sources.
  可以分为两大类，即直接污染和间接污染。
• Study on the Adsorption of Organic Contaminant Chlorobenzene by Modified Sepiolite
  改性海泡石对有机污染物氯苯的吸附研究
• 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。
• 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。
• 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。
• 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。
• Small fish eat organisms that contain methyl mercury, and this contaminant is then stored in their bodies.
  小鱼吃含有甲基汞的有机体，这污染物，然后储存在自己的身体。