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

• 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。
• 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。
• 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。
• 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。
• 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。
• 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
• The contaminant has been found in heparin taken by people who had reactions.
  在有不良反应的患者所使用的肝素中也发现了此种物质。
• 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。
• Analytical solution of contaminant diffusion through semi-infinite clay under non-linear adsorption condition;
  并且对于非线性吸附采用组合变量和解析迭代方法进行求解。
• 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