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

• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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