pollutant是什么意思？

pollutant

英[pəˈlu:tənt] 美[pəˈlutnt]

• n. 污染物；

复数：pollutants;

例句

• This chapter describes methods of estimating airborne pollutant concentration distrubutions associated with various emission sources. 本章论述几种有关各种排放源的大气污染物浓度分布的估算方法.
• We will display all descriptive and identifying date for each pollutant source. 我们列出每个污染源的所有说明性和标准性的数据.
• Knowledge of any given exposure to air pollutant mixtures is largely inadequate. 关于任何特定的暴露于空气污染混合物中的知识,都是极为欠缺的.
• Since 1979 China has collected 24.7 billion yuan in pollutant discharge fees. 1979年以来,全国共征收排污费247亿元.
• At any time the macrophage system might be injured by viral infection or air pollutant exposure. 巨噬细胞随时都可能受病毒感染或空气污染物所损伤.
• A pre - dicing method for calculating the distribution of pollutant concentration is proposed. 污染物浓度分布的预测方法.
• Influences of experimental parameters were studied using 4 - chlorophenol as model pollutant. 以4-氯苯酚为模型污染物,研究不同反应条件的影响.

柯林斯高阶英汉双解学习词典释义

• N-VAR
  污染物（尤指车辆尾气和工业有毒化学废弃物）
  Pollutants are substances that pollute the environment, especially gases from vehicles and poisonous chemicals produced as waste by industrial processes.
  例句
  A steady stream of California traffic clogs the air with pollutants. 加利福尼亚川流不息的车流使空气中充斥着污染物。

英汉词典释义

• n.
  污染物质(尤指工业废物)
  Pollutants are constantly being released into the atmosphere. 污染物质正在不断地被排放到大气中去。

英英词典释义

• Noun
  1. waste matter that contaminates the water or air or soil

行业词典

• 农学： 污染物；又称 :污染物(contaminant)；
  土木工程： 污染物；
  水产： 污染物；进入水体后使水的正常组成和性质发生变化，直接或间接危害水生生物生长和繁衍的物质。；
  法律： 污染物；污染物质；
  海洋科学： 污染物；
  电力： 污染物；