permissible value

简明释义

容许值

英英释义

例句

1.The maximum concentration of lead in drinking water must not exceed the permissible value.

饮用水中铅的最大浓度不得超过可允许值。

2.The environmental agency reported that the air quality index exceeded the permissible value for pollutants.

环保局报告称，空气质量指数超过了污染物的可允许值。

3.Manufacturers must adhere to the permissible value limits set by industry standards to avoid penalties.

制造商必须遵守行业标准设定的可允许值限制，以避免处罚。

4.According to safety regulations, the permissible value for noise levels in residential areas is set at 55 decibels.

根据安全规定，住宅区的噪音水平的可允许值设定为55分贝。

5.In this laboratory, the permissible value for chemical exposure is strictly monitored to ensure worker safety.

在这个实验室中，化学物质暴露的可允许值受到严格监控，以确保工人安全。

作文

In today's world, we often encounter various standards and regulations that govern different aspects of our lives. One such term that frequently arises in discussions related to safety, quality, and compliance is permissible value. The concept of permissible value refers to the maximum or minimum limit set for a particular parameter, which can be accepted without causing harm or significant risk. Understanding this term is crucial, especially in fields such as engineering, environmental science, and public health.For instance, in environmental regulations, the permissible value for pollutants in air or water is established to protect public health and the ecosystem. Authorities conduct extensive research to determine what levels of specific substances can be tolerated before they pose a danger. These limits are not arbitrary; they are based on scientific evidence and aim to ensure that the environment remains safe for human activities and wildlife.Similarly, in the realm of product manufacturing, companies must adhere to permissible values for various safety standards. For example, when producing toys for children, manufacturers are required to ensure that the materials used do not exceed certain levels of harmful chemicals. The permissible value for lead content in children's toys is strictly regulated to prevent any health risks associated with exposure. This reflects the responsibility that manufacturers have towards consumers, particularly vulnerable groups such as children.In the field of engineering, especially in construction, understanding permissible values is vital for ensuring structural integrity and safety. Engineers must calculate loads, stresses, and material properties to ensure that they remain within the permissible values defined by building codes and standards. Failure to adhere to these guidelines can result in catastrophic failures, endangering lives and property.Moreover, in the context of personal health, permissible values play a role in nutrition and dietary guidelines. Health organizations recommend permissible values for daily intake of various nutrients, such as vitamins and minerals, to promote overall well-being. Individuals need to understand these recommendations to maintain a balanced diet and prevent nutritional deficiencies or excesses.Understanding permissible values is not just about compliance; it also empowers individuals and organizations to make informed decisions. By being aware of these limits, people can better assess risks and take appropriate actions to mitigate them. For example, a homeowner might check the permissible values for radon levels in their home to ensure a safe living environment.In conclusion, the term permissible value encompasses a wide range of applications across different fields. It represents the boundaries within which we can operate safely and effectively. Whether in environmental protection, product safety, engineering, or personal health, understanding permissible values is essential for ensuring safety, compliance, and overall well-being. As we navigate through various aspects of life, recognizing and adhering to these limits will help us create a safer and healthier world for ourselves and future generations.

在当今世界，我们经常会遇到各种标准和法规，这些标准和法规管理着我们生活的不同方面。一个在与安全、质量和合规性相关的讨论中经常出现的术语是可允许值。可允许值的概念指的是为特定参数设定的最大或最小限度，可以在不造成伤害或重大风险的情况下被接受。理解这个术语至关重要，尤其是在工程、环境科学和公共卫生等领域。例如，在环境法规中，空气或水中污染物的可允许值是为了保护公众健康和生态系统而建立的。有关当局进行广泛的研究，以确定特定物质在什么水平之前可以被容忍，而不构成危险。这些限制并不是任意设定的；它们是基于科学证据，并旨在确保环境对人类活动和野生动物保持安全。同样，在产品制造领域，公司必须遵守各种安全标准的可允许值。例如，在生产儿童玩具时，制造商需确保所使用的材料中的有害化学物质含量不超过某些水平。儿童玩具中铅含量的可允许值受到严格监管，以防止与暴露相关的健康风险。这反映了制造商对消费者，特别是儿童等脆弱群体的责任。在工程领域，尤其是在建筑行业，理解可允许值对于确保结构完整性和安全至关重要。工程师必须计算负载、应力和材料属性，以确保它们保持在建筑规范和标准定义的可允许值之内。不遵守这些指导方针可能导致灾难性的失败，危及生命和财产。此外，在个人健康的背景下，可允许值在营养和饮食指南中也发挥着作用。健康组织建议每日摄入各种营养素的可允许值，以促进整体健康。个人需要了解这些建议，以维持均衡饮食，防止营养缺乏或过剩。理解可允许值不仅仅是关于合规；它还使个人和组织能够做出明智的决策。通过了解这些限制，人们可以更好地评估风险并采取适当的措施来减轻风险。例如，房主可能会检查他们家中氡气水平的可允许值，以确保安全的居住环境。总之，可允许值这一术语涵盖了不同领域的广泛应用。它代表了我们可以安全有效地运作的边界。无论是在环境保护、产品安全、工程还是个人健康方面，理解可允许值对于确保安全、合规和整体健康至关重要。当我们在生活的各个方面导航时，认识到并遵守这些限制将帮助我们为自己和未来几代人创造一个更安全、更健康的世界。