radioactive background

简明释义

本底放射性

英英释义

例句

1.Understanding the radioactive background is crucial for nuclear facility operations.

了解放射性背景对于核设施的运营至关重要。

2.The environmental report indicated a stable radioactive background in the region.

环境报告显示该地区的放射性背景稳定。

3.During the experiment, we had to account for the radioactive background interference.

在实验过程中，我们必须考虑到放射性背景的干扰。

4.The radioactive background levels in this area are higher than the national average.

该地区的放射性背景水平高于全国平均水平。

5.The geologist measured the radioactive background to assess the safety of the mining site.

地质学家测量了放射性背景以评估采矿地点的安全性。

作文

In today's world, we are constantly surrounded by various forms of radiation. One term that often comes up in discussions about radiation is radioactive background. This phrase refers to the natural radiation present in our environment, which comes from a variety of sources including cosmic rays, radon gas, and even the earth's crust itself. Understanding the concept of radioactive background is crucial for assessing our exposure to radiation and its potential effects on our health.The radioactive background can vary significantly depending on geographical location. For instance, areas with high altitudes tend to have higher levels of cosmic radiation due to their proximity to space. Similarly, regions with significant geological activity may have elevated levels of radon, a naturally occurring radioactive gas that seeps from the ground. This variability means that individuals living in different parts of the world may experience differing levels of exposure to the radioactive background.One of the most important aspects of understanding radioactive background is recognizing that not all radiation is harmful. In fact, the levels of natural radiation we encounter daily are generally low and considered safe. According to the United States Environmental Protection Agency (EPA), the average person receives about 620 microsieverts of radiation per year from natural sources. This amount is well below the threshold that would cause any adverse health effects. However, awareness of radioactive background is still essential, particularly for those who work in industries where radiation exposure is a concern.For example, workers in nuclear power plants, medical facilities, and research laboratories must monitor their exposure to ensure it remains within safe limits. These professionals often use dosimeters to measure their radiation exposure over time, taking into account the radioactive background in their environments. By understanding the baseline levels of radiation, they can better assess their risk and take appropriate precautions.Furthermore, the study of radioactive background has implications for public health policies and environmental regulations. Governments and organizations around the world monitor radiation levels to protect citizens from excessive exposure. For instance, after the Fukushima disaster in Japan, there was a heightened awareness of radioactive background levels in the surrounding areas. Authorities implemented measures to assess and mitigate radiation exposure for residents, emphasizing the importance of understanding and managing the radioactive background.In conclusion, the term radioactive background encompasses the natural radiation that exists in our environment, influenced by various factors such as geography and human activity. While the levels of radiation we encounter daily are typically low and not harmful, understanding this concept is vital for those in certain professions and for public health initiatives. As we continue to explore the effects of radiation on health and the environment, the significance of radioactive background will undoubtedly remain a key topic of discussion and research.

在当今的世界中，我们不断被各种形式的辐射所包围。一个常常出现在关于辐射讨论中的术语是放射性背景。这个短语指的是我们环境中存在的自然辐射，这些辐射来自多种来源，包括宇宙射线、氡气，甚至地壳本身。理解放射性背景的概念对于评估我们接触辐射的程度及其对我们健康的潜在影响至关重要。放射性背景的水平因地理位置而异。例如，高海拔地区由于靠近太空，通常会有更高的宇宙辐射水平。同样，具有显著地质活动的地区可能会有更高的氡气水平，这是一种自然产生的放射性气体，渗透自地面。这种变异意味着生活在世界不同地方的人们可能会经历不同程度的放射性背景暴露。理解放射性背景的一个重要方面是认识到并非所有辐射都是有害的。事实上，我们每天遇到的自然辐射水平通常很低，被认为是安全的。根据美国环保署（EPA）的数据，普通人每年从自然来源接收约620微西弗的辐射。这一数值远低于会造成任何不良健康影响的阈值。然而，意识到放射性背景仍然至关重要，特别是对于那些在辐射暴露可能成为问题的行业工作的人。例如，核电厂、医疗设施和研究实验室的工作人员必须监测他们的辐射暴露，以确保其保持在安全限度内。这些专业人士通常使用剂量计来测量他们的辐射暴露，考虑到他们环境中的放射性背景。通过了解辐射的基线水平，他们可以更好地评估风险并采取适当的预防措施。此外，研究放射性背景对公共卫生政策和环境法规也有影响。世界各地的政府和组织监测辐射水平，以保护公民免受过度暴露。例如，在日本福岛灾难后，周边地区的放射性背景水平引起了高度关注。有关当局实施了措施，以评估和减轻居民的辐射暴露，强调了解和管理放射性背景的重要性。总之，术语放射性背景涵盖了存在于我们环境中的自然辐射，受到地理和人类活动等多种因素的影响。尽管我们每天遇到的辐射水平通常较低且无害，但理解这一概念对于某些职业的人士以及公共卫生倡议至关重要。随着我们继续探索辐射对健康和环境的影响，放射性背景的重要性无疑将继续成为讨论和研究的关键主题。