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

• 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。
• 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。
• 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
• 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。
• A study on model of contaminant transport and soil consolidation coupling Effects of Microbe on Leaching Solution of Coal Waste
  土体固结与污染物运移耦合模型研究微生物对煤系固体废弃物淋滤液污染性影响
• 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
• 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。
• 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。
• 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。
• 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。