principal pollutant

简明释义

主要污染物

英英释义

例句

1.Monitoring stations have identified particulate matter as the principal pollutant 主要污染物 affecting respiratory health.

监测站已确定颗粒物为影响呼吸健康的主要污染物 principal pollutant 。

2.The environmental agency reported that sulfur dioxide is the principal pollutant 主要污染物 in the area surrounding the power plant.

环境机构报告称，发电厂周边地区的主要污染物 principal pollutant 是二氧化硫。

3.Air quality reports indicate that nitrogen dioxide is the principal pollutant 主要污染物 in urban areas during winter.

空气质量报告显示，冬季城市地区的主要污染物 principal pollutant 是二氧化氮。

4.In many cities, carbon monoxide is considered the principal pollutant 主要污染物 due to vehicle emissions.

在许多城市中，一氧化碳被认为是由于车辆排放造成的主要污染物 principal pollutant 。

5.The study found that the principal pollutant 主要污染物 in the river was industrial waste.

研究发现，河流中的主要污染物 principal pollutant 是工业废水。

作文

Air pollution is a pressing issue that affects millions of people around the world. One of the most significant contributors to this problem is the presence of various harmful substances in the atmosphere. Among these substances, the term principal pollutant refers to the most prevalent and harmful pollutants that pose serious health risks to humans and the environment. Understanding what constitutes a principal pollutant is crucial for developing effective strategies to combat air pollution.The principal pollutant can vary depending on the location and the sources of pollution. In urban areas, for instance, the primary sources of air pollution often include vehicle emissions, industrial discharges, and construction activities. As a result, the principal pollutant in cities is frequently nitrogen dioxide (NO2) or particulate matter (PM), both of which are emitted from cars and factories. These pollutants not only contribute to smog and poor air quality but also have detrimental effects on human health, leading to respiratory diseases and cardiovascular problems.In rural areas, the principal pollutant may differ. For example, agricultural practices that involve the use of fertilizers and pesticides can lead to the release of ammonia (NH3) into the atmosphere. This compound can react with other pollutants to form secondary particulate matter, which can be just as harmful as the original emissions. Therefore, understanding the principal pollutant in different environments is essential for addressing specific pollution issues effectively.Moreover, the identification of principal pollutants helps policymakers and environmental agencies to implement regulations and guidelines aimed at reducing emissions. By targeting the most harmful substances, governments can create more focused and efficient strategies to improve air quality. For instance, if nitrogen oxides are identified as the principal pollutant in a particular area, measures such as promoting electric vehicles, enhancing public transportation, and enforcing stricter emission standards for industries can be put in place.Public awareness and education about principal pollutants are also vital components in the fight against air pollution. When individuals understand the sources and effects of these pollutants, they are more likely to take action to reduce their own contributions to air quality degradation. Simple actions, such as using public transport, reducing energy consumption, and advocating for cleaner technologies, can collectively make a significant impact.In conclusion, recognizing and understanding the concept of principal pollutant is essential in addressing the global challenge of air pollution. By identifying the most harmful substances in our environment, we can develop targeted solutions that protect public health and the planet. It is imperative that we work together—governments, industries, and individuals—to combat the effects of principal pollutants and strive for a cleaner, healthier future for all.

空气污染是一个紧迫的问题，影响着全世界数百万人。造成这个问题的一个重要因素是大气中存在的各种有害物质。在这些物质中，术语主要污染物指的是那些最普遍且对人类和环境构成严重健康风险的污染物。理解什么构成主要污染物对于制定有效的应对空气污染的策略至关重要。主要污染物可能因地点和污染源的不同而有所变化。例如，在城市地区，空气污染的主要来源通常包括车辆排放、工业排放和建筑活动。因此，在城市中，常见的主要污染物通常是二氧化氮（NO2）或颗粒物（PM），这两者均来自汽车和工厂。这些污染物不仅会导致烟雾和空气质量差，还会对人类健康产生不利影响，导致呼吸系统疾病和心血管问题。在农村地区，主要污染物可能会有所不同。例如，涉及使用肥料和农药的农业实践可能会导致氨（NH3）释放到大气中。这种化合物可以与其他污染物反应，形成二次颗粒物，这些颗粒物可能与原始排放物一样有害。因此，了解不同环境中的主要污染物对于有效解决特定污染问题至关重要。此外，识别主要污染物有助于政策制定者和环保机构实施旨在减少排放的法规和指南。通过针对最有害的物质，政府可以制定更有针对性和高效的改善空气质量的策略。例如，如果氮氧化物被确定为某个特定区域的主要污染物，那么可以采取措施，如推广电动汽车、增强公共交通和加强对工业的排放标准。公众对主要污染物的认识和教育也是应对空气污染斗争的重要组成部分。当个人了解这些污染物的来源和影响时，他们更有可能采取行动来减少自己对空气质量恶化的贡献。简单的行为，如使用公共交通、减少能源消耗和倡导清洁技术，都可以共同产生显著影响。总之，认识和理解主要污染物的概念对于应对全球空气污染挑战至关重要。通过识别我们环境中最有害的物质，我们可以制定针对性的解决方案，以保护公众健康和地球。各国政府、工业界和个人必须共同努力，抵制主要污染物的影响，并为所有人争取一个更清洁、更健康的未来。