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

• 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
• 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。
• High power cylindrical transducer is widely used in cleaning, contaminant separation and extraction.
  大功率圆管换能器在清洗、除垢、萃取等领域中有着广泛的应用。
• 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。
• 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
• Absorption transference study of petroleum contaminant in groundwater system
  地下水系统中石油污染物的吸附转移研究
• 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
• 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