background radiation

简明释义

本底辐射

英英释义

例句

1.The level of background radiation 背景辐射 in this area is higher than normal due to nearby nuclear facilities.

该地区的背景辐射背景辐射水平由于附近的核设施而高于正常水平。

2.It is important to differentiate between background radiation 背景辐射 and radiation from man-made sources.

区分背景辐射背景辐射和人为来源的辐射是很重要的。

3.Geologists study background radiation 背景辐射 to understand geological formations and their history.

地质学家研究背景辐射背景辐射以了解地质构造及其历史。

4.In space, astronauts are exposed to higher levels of background radiation 背景辐射 compared to Earth.

在太空中，宇航员暴露于比地球更高水平的背景辐射背景辐射。

5.Scientists measure background radiation 背景辐射 to assess the safety of the environment.

科学家测量背景辐射背景辐射以评估环境的安全性。

作文

Background radiation is a term that refers to the low-level radiation that is always present in the environment. This radiation comes from various natural and artificial sources, including cosmic rays from outer space, radioactive materials in the earth, and even human-made sources such as medical equipment and nuclear power plants. Understanding background radiation (背景辐射) is essential for several reasons, primarily concerning health and safety, environmental monitoring, and scientific research.Firstly, it is crucial to recognize that background radiation (背景辐射) is a normal part of our environment. On average, a person is exposed to about 2-3 millisieverts (mSv) of radiation each year from natural sources alone. This exposure varies depending on geographical location, altitude, and lifestyle choices. For instance, individuals living at higher altitudes are exposed to more cosmic radiation than those at sea level. Additionally, certain occupations, such as pilots or flight attendants, may experience higher levels of exposure due to their time spent at high altitudes.Secondly, understanding background radiation (背景辐射) is vital for assessing the risks associated with additional radiation exposure. For example, medical procedures like X-rays and CT scans contribute to a person's overall radiation dose. By being aware of the levels of background radiation (背景辐射), healthcare professionals can better inform patients about the cumulative effects of these procedures. It is important to weigh the benefits of medical imaging against the potential risks associated with increased radiation exposure.Moreover, scientists and researchers monitor background radiation (背景辐射) to detect changes in environmental radiation levels. In the aftermath of nuclear accidents, such as the Chernobyl disaster or the Fukushima Daiichi incident, scientists measured background radiation (背景辐射) levels to assess the impact on public health and the environment. By establishing baseline levels of background radiation (背景辐射), researchers can identify any significant increases in radiation that may pose a risk to human health or the ecosystem.In addition to monitoring for safety, the study of background radiation (背景辐射) also contributes to our understanding of fundamental physics. Researchers explore the origins and characteristics of cosmic rays and other sources of natural radiation to gain insight into the universe's workings. These studies can lead to advancements in technology and improve our understanding of atomic and nuclear processes.Furthermore, public awareness of background radiation (背景辐射) is essential in addressing misconceptions about radiation exposure. Many people associate radiation solely with danger and negative health outcomes, often overlooking the fact that we are constantly exposed to low levels of radiation in our daily lives. Educational initiatives can help demystify background radiation (背景辐射) and promote informed discussions about radiation safety and health.In conclusion, background radiation (背景辐射) is an integral aspect of our environment that plays a significant role in health, safety, and scientific inquiry. By understanding its sources, effects, and implications, we can make informed decisions regarding radiation exposure and appreciate the complexities of our world. Awareness and education surrounding background radiation (背景辐射) are essential for fostering a society that values science and prioritizes public health.

背景辐射是一个术语，指的是始终存在于环境中的低水平辐射。这种辐射来自各种自然和人工来源，包括来自外太空的宇宙射线、地球中的放射性物质，甚至人造来源，如医疗设备和核电厂。理解背景辐射（background radiation）对多个方面至关重要，主要涉及健康与安全、环境监测和科学研究。首先，必须认识到背景辐射（background radiation）是我们环境的正常组成部分。平均而言，一个人每年会受到约2-3毫西弗（mSv）的自然辐射暴露。这种暴露因地理位置、高度和生活方式选择而异。例如，居住在高海拔地区的人比生活在海平面的人暴露于更多的宇宙辐射。此外，某些职业，如飞行员或空乘人员，由于他们在高空停留的时间较长，可能会经历更高水平的辐射暴露。其次，理解背景辐射（background radiation）对于评估额外辐射暴露相关的风险至关重要。例如，X射线和CT扫描等医疗程序会增加一个人的整体辐射剂量。通过了解背景辐射（background radiation）的水平，医疗专业人员可以更好地告知患者这些程序的累积效果。权衡医学成像的益处与增加辐射暴露的潜在风险是非常重要的。此外，科学家和研究人员监测背景辐射（background radiation）以检测环境辐射水平的变化。在核事故发生后，例如切尔诺贝利灾难或福岛第一核电站事件，科学家们测量了背景辐射（background radiation）水平，以评估对公共健康和环境的影响。通过建立背景辐射（background radiation）的基线水平，研究人员可以识别出任何可能对人类健康或生态系统构成风险的显著辐射增加。除了监测安全性外，背景辐射（background radiation）的研究还促进了我们对基础物理学的理解。研究人员探索宇宙射线和其他自然辐射源的起源和特征，以深入了解宇宙的运作。这些研究可以推动技术进步，并改善我们对原子和核过程的理解。此外，公众对背景辐射（background radiation）的认识对于解决有关辐射暴露的误解至关重要。许多人将辐射仅与危险和负面健康结果联系在一起，往往忽视了我们在日常生活中不断暴露于低水平辐射的事实。教育倡议可以帮助揭开背景辐射（background radiation）的神秘面纱，并促进关于辐射安全与健康的知情讨论。总之，背景辐射（background radiation）是我们环境中不可或缺的一部分，在健康、安全和科学探究中发挥着重要作用。通过理解其来源、影响和意义，我们可以就辐射暴露做出明智的决定，并欣赏我们世界的复杂性。对背景辐射（background radiation）的意识和教育对于培养重视科学并优先考虑公共健康的社会至关重要。