dose equivalent

简明释义

剂量当量

英英释义

例句

1.The radiation exposure from the X-ray was measured in terms of dose equivalent, which indicates the biological effect of the radiation.

X光的辐射暴露量以剂量当量为单位测量，这表明辐射的生物效应。

2.The dose equivalent received during a flight is a consideration for frequent flyers concerned about radiation exposure.

飞行期间接收到的剂量当量是频繁飞行者关注辐射暴露的一个考虑因素。

3.In assessing the safety of nuclear plants, engineers often calculate the dose equivalent for workers to ensure it remains below regulatory limits.

在评估核电站的安全性时，工程师通常计算工人的剂量当量，以确保其低于监管限制。

4.The dose equivalent from cosmic radiation at high altitudes can be significantly higher than at sea level.

高海拔地区的宇宙辐射的剂量当量可能显著高于海平面。

5.Medical professionals use dose equivalent calculations to determine the appropriate amount of radiation for cancer treatments.

医疗专业人员使用剂量当量计算来确定癌症治疗所需的适当辐射量。

作文

In the field of radiation protection and safety, the term dose equivalent plays a crucial role in assessing the biological effects of ionizing radiation on human health. The concept of dose equivalent is essential for understanding how different types of radiation can impact living organisms, particularly when it comes to exposure limits and safety guidelines. It provides a standardized way of measuring the potential harm caused by various forms of radiation, such as alpha particles, beta particles, and gamma rays.The dose equivalent is expressed in sieverts (Sv), which is a unit that quantifies the biological effect of radiation. This measurement takes into account not only the amount of radiation absorbed by the body but also the type of radiation and its biological effectiveness. For instance, alpha particles are more damaging than beta particles or gamma rays when they interact with biological tissues, even if the absorbed dose is the same. Therefore, the dose equivalent allows for a more accurate assessment of risk by factoring in these differences.Understanding dose equivalent is vital for professionals working in fields such as medicine, nuclear energy, and environmental science. For example, medical practitioners who use radiological techniques must be aware of the dose equivalent to ensure that patients receive the lowest possible doses while still achieving effective diagnostic results. Similarly, workers in nuclear power plants are monitored for their dose equivalent exposure to ensure compliance with safety regulations and to minimize the risk of radiation-related health issues.The importance of dose equivalent extends beyond individual safety measures; it also has significant implications for public health policies and regulations. Governments and international organizations, such as the International Atomic Energy Agency (IAEA) and the World Health Organization (WHO), establish guidelines based on dose equivalent to protect populations from excessive radiation exposure. These guidelines help to set permissible exposure limits in various environments, including workplaces, medical facilities, and even natural settings where background radiation is present.Moreover, the advancement of technology has led to new challenges in accurately measuring dose equivalent. With the development of more sophisticated radiation detection equipment, it is crucial to continuously refine the methods used to calculate dose equivalent. This ongoing research helps to improve safety standards and enhances our understanding of how radiation affects human health over time.In conclusion, the concept of dose equivalent is fundamental in the realm of radiation safety and protection. It provides a comprehensive framework for evaluating the risks associated with different types of radiation exposure. By understanding and applying the principles of dose equivalent, professionals can better protect individuals and communities from the harmful effects of ionizing radiation. As we continue to explore the complexities of radiation and its impact on health, the significance of dose equivalent will undoubtedly remain a key component in safeguarding public health and ensuring a safer future for all.

在辐射保护和安全领域，术语dose equivalent在评估电离辐射对人类健康的生物影响方面起着至关重要的作用。dose equivalent的概念对于理解不同类型的辐射如何影响生物体尤其重要，特别是在暴露限值和安全指南方面。它提供了一种标准化的方法来测量各种形式的辐射可能造成的伤害，例如α粒子、β粒子和γ射线。dose equivalent以希沃特（Sv）为单位，定量辐射的生物效应。该测量不仅考虑了身体吸收的辐射量，还考虑了辐射的类型及其生物效力。例如，α粒子在与生物组织相互作用时，比β粒子或γ射线造成的损害更大，即使吸收剂量相同。因此，dose equivalent通过考虑这些差异，能够更准确地评估风险。理解dose equivalent对从事医学、核能和环境科学等领域的专业人士至关重要。例如，使用放射学技术的医疗从业人员必须意识到dose equivalent，以确保患者在获得有效诊断结果的同时，接受最低的辐射剂量。同样，核电厂的工作人员也会监测他们的dose equivalent暴露，以确保遵守安全法规，并尽量减少辐射相关健康问题的风险。dose equivalent的重要性不仅限于个人安全措施；它对公共卫生政策和法规也有重大影响。各国政府和国际组织，如国际原子能机构（IAEA）和世界卫生组织（WHO），根据dose equivalent制定指南，以保护公众免受过度辐射暴露。这些指南有助于设定各种环境中允许的暴露限值，包括工作场所、医疗设施，甚至存在自然背景辐射的环境。此外，技术的进步给准确测量dose equivalent带来了新的挑战。随着更先进的辐射检测设备的发展，不断完善用于计算dose equivalent的方法至关重要。这项持续的研究有助于改善安全标准，并增强我们对辐射如何随时间影响人类健康的理解。总之，dose equivalent的概念在辐射安全和保护领域是基础性的。它提供了一个全面的框架，用于评估与不同类型辐射暴露相关的风险。通过理解和应用dose equivalent的原则，专业人士可以更好地保护个人和社区免受电离辐射的有害影响。随着我们继续探索辐射的复杂性及其对健康的影响，dose equivalent的重要性无疑将继续成为保护公众健康和确保未来安全的关键组成部分。