concentration limit

简明释义

极限浓度

英英释义

例句

1.During the quality control process, any product exceeding the concentration limit is discarded.

在质量控制过程中，任何超出浓度限制的产品都会被丢弃。

2.The concentration limit for lead in drinking water is established by health authorities to prevent poisoning.

饮用水中铅的浓度限制由卫生部门设定，以防止中毒。

3.In the laboratory, we regularly test samples to ensure they are below the concentration limit for hazardous substances.

在实验室，我们定期测试样本以确保它们低于危险物质的浓度限制。

4.The environmental agency set a strict concentration limit for pollutants in the river to protect aquatic life.

环保机构为河流中的污染物设定了严格的浓度限制以保护水生生物。

5.Manufacturers must adhere to the concentration limit of chemicals in their products to ensure consumer safety.

制造商必须遵守产品中化学物质的浓度限制以确保消费者安全。

作文

In recent years, the concept of concentration limit has gained significant attention in various fields, particularly in environmental science and public health. The term refers to the maximum allowable concentration of a substance in a specific environment or medium, beyond which adverse effects may occur. Understanding the concentration limit is crucial for ensuring safety and compliance with regulatory standards. For instance, in the context of air quality, the concentration limit for pollutants such as particulate matter or sulfur dioxide is established to protect human health and the environment. When these limits are exceeded, it can lead to serious health issues, including respiratory diseases and cardiovascular problems. Therefore, monitoring the levels of these substances is essential for maintaining air quality. Similarly, in water quality management, the concentration limit for contaminants like heavy metals or pesticides is defined to prevent harm to aquatic life and ensure safe drinking water for communities. The establishment of concentration limits is often based on scientific research that identifies the threshold at which a substance becomes harmful. Regulatory bodies, such as the Environmental Protection Agency (EPA) in the United States, play a vital role in determining these limits through rigorous testing and analysis. They consider various factors, including the duration of exposure, the population at risk, and the potential for bioaccumulation. Moreover, industries must adhere to these concentration limits to minimize their environmental impact. For example, manufacturing processes that release hazardous chemicals into the air or water must implement measures to reduce emissions and comply with the established limits. Failure to do so not only jeopardizes public health but can also result in legal consequences and damage to a company's reputation. In addition to environmental concerns, the concentration limit is also relevant in the field of pharmaceuticals. During drug development, researchers must determine the optimal dosage that provides therapeutic effects without causing toxicity. The concentration limit in this context helps ensure that medications are both effective and safe for patients. Furthermore, public awareness about concentration limits is essential for promoting community health. Educational programs can inform individuals about the importance of these limits and how they relate to everyday life. For instance, understanding the concentration limit for lead in drinking water can empower residents to advocate for safer water policies in their communities. In conclusion, the concept of concentration limit is integral to protecting public health and the environment. By establishing and enforcing these limits, we can mitigate the risks associated with harmful substances, promote safer practices in various industries, and ultimately enhance the quality of life for all. As we continue to face environmental challenges, it is imperative that we remain vigilant in monitoring and adhering to concentration limits, ensuring a healthier future for generations to come.

近年来，浓度限制这一概念在多个领域引起了广泛关注，尤其是在环境科学和公共卫生领域。该术语指的是在特定环境或介质中某种物质的最大允许浓度，超过这个浓度可能会产生不良影响。理解浓度限制对于确保安全和遵守监管标准至关重要。例如，在空气质量的背景下，污染物如颗粒物或二氧化硫的浓度限制被设定以保护人类健康和环境。当这些限制被超越时，可能导致严重的健康问题，包括呼吸系统疾病和心血管问题。因此，监测这些物质的水平对于维护空气质量至关重要。同样，在水质管理中，重金属或农药等污染物的浓度限制被定义为防止对水生生物造成伤害，并确保社区安全饮用水。浓度限制的设定通常基于科学研究，这些研究确定了物质变得有害的阈值。像美国环境保护局（EPA）这样的监管机构在通过严格的测试和分析来确定这些限制方面发挥着至关重要的作用。他们考虑多种因素，包括暴露时间、受影响人群和生物积累的潜力。此外，工业必须遵守这些浓度限制以最小化其对环境的影响。例如，释放有害化学物质到空气或水中的制造过程必须采取措施减少排放并遵守既定限制。不遵守这些规定不仅危及公众健康，还可能导致法律后果和公司声誉受损。除了环境问题，浓度限制在制药领域同样相关。在药物开发过程中，研究人员必须确定提供治疗效果而不造成毒性的最佳剂量。在这种情况下，浓度限制有助于确保药物对患者既有效又安全。此外，提高公众对浓度限制的意识对于促进社区健康至关重要。教育项目可以告知个人这些限制的重要性以及它们与日常生活的关系。例如，了解饮用水中铅的浓度限制可以使居民能够倡导更安全的水政策。总之，浓度限制的概念对于保护公众健康和环境至关重要。通过建立和执行这些限制，我们可以减轻与有害物质相关的风险，促进各行业的安全实践，最终提升所有人的生活质量。随着我们继续面临环境挑战，保持对浓度限制的监测和遵守至关重要，以确保为后代创造一个更健康的未来。