radiation exposure

简明释义

射线照射

英英释义

Radiation exposure refers to the condition of being subjected to ionizing radiation, typically measured in units such as sieverts or grays, which can have harmful effects on living tissues.

辐射暴露是指受到电离辐射的状态,通常以希沃特或戈瑞等单位进行测量,这可能对生物组织产生有害影响。

例句

1.They conducted a study to assess the effects of radiation exposure 辐射暴露 on astronauts.

他们进行了研究,以评估辐射暴露对宇航员的影响。

2.The doctor explained the risks of radiation exposure 辐射暴露 during the X-ray procedure.

医生解释了在X光检查过程中辐射暴露的风险。

3.Long-term radiation exposure 辐射暴露 can lead to serious health issues, including cancer.

长期辐射暴露可能导致严重的健康问题,包括癌症。

4.The safety guidelines specify limits on radiation exposure 辐射暴露 for medical staff.

安全指南规定了医疗人员的辐射暴露限值。

5.Workers in the nuclear plant must wear protective gear to minimize radiation exposure 辐射暴露.

核电厂的工人必须穿戴防护装备以减少辐射暴露

作文

Radiation is an integral part of our environment, and it exists in various forms. One significant concern related to radiation is radiation exposure, which refers to the amount of ionizing radiation that a person is subjected to. This exposure can come from natural sources, such as cosmic rays and radon gas, or artificial sources, including medical imaging equipment and nuclear power plants. Understanding radiation exposure is crucial because it can have both short-term and long-term health effects on individuals and populations.In everyday life, we are constantly exposed to low levels of background radiation. For instance, we receive radiation from the sun and from the earth itself, which contains radioactive elements. These levels are typically harmless and are a normal part of life. However, when people undergo certain medical procedures, such as X-rays or CT scans, they may experience higher doses of radiation exposure. While these procedures are often necessary for diagnosing and treating medical conditions, it is essential to minimize unnecessary exposure to protect patients' health.The potential health risks associated with radiation exposure depend on several factors, including the type of radiation, the dose received, and the duration of exposure. Ionizing radiation, which has enough energy to remove tightly bound electrons from atoms, is particularly concerning because it can damage DNA and lead to cancer. The risk of developing cancer increases with higher levels of exposure; thus, understanding how to manage and reduce radiation exposure is vital for healthcare providers and patients alike.In recent years, there has been a growing awareness of the need to monitor and limit radiation exposure in various settings. For example, regulatory agencies have established guidelines for occupational exposure in industries that work with radiation, such as healthcare and nuclear energy. These guidelines help protect workers from excessive exposure and ensure that safety protocols are followed.Moreover, advancements in technology have led to the development of safer imaging techniques that reduce radiation exposure while still providing accurate diagnostic information. For instance, digital imaging technologies can significantly lower the amount of radiation needed compared to traditional methods. Physicians are also encouraged to follow the ALARA principle, which stands for 'As Low As Reasonably Achievable,' to minimize patient exposure during medical procedures.Public education is another critical aspect of managing radiation exposure. Many people are unaware of the sources of radiation in their daily lives and the potential risks associated with high levels of exposure. By increasing public awareness, individuals can make informed decisions about their health and understand the importance of limiting unnecessary exposure.In conclusion, radiation exposure is a significant public health issue that requires careful consideration and management. It encompasses various sources and levels of exposure, each with its potential risks. As technology advances and our understanding of radiation improves, it is essential to prioritize safety measures and educate the public about the importance of minimizing radiation exposure. By doing so, we can protect ourselves and future generations from the harmful effects of radiation while still benefiting from its many applications in medicine and industry.

辐射是我们环境中不可或缺的一部分,存在多种形式。与辐射相关的一个重要问题是辐射暴露,它指的是一个人所承受的电离辐射的量。这种暴露可以来自自然来源,如宇宙射线和氡气,或者人工来源,包括医学成像设备和核电站。理解辐射暴露至关重要,因为它可能对个人和群体产生短期和长期的健康影响。在日常生活中,我们不断地接触到低水平的背景辐射。例如,我们受到来自太阳和地球本身的辐射,地球中含有放射性元素。这些水平通常是无害的,是生活的正常组成部分。然而,当人们接受某些医疗程序,如X光或CT扫描时,他们可能会经历更高剂量的辐射暴露。虽然这些程序通常是诊断和治疗医疗条件所必需的,但必须最小化不必要的暴露,以保护患者的健康。与辐射暴露相关的潜在健康风险取决于几个因素,包括辐射类型、接收剂量和暴露持续时间。电离辐射具有足够的能量从原子中移除紧密结合的电子,因此特别令人担忧,因为它可以损害DNA并导致癌症。随着暴露水平的提高,发展癌症的风险也增加;因此,理解如何管理和减少辐射暴露对医疗提供者和患者而言至关重要。近年来,人们越来越意识到监测和限制各类场所的辐射暴露的必要性。例如,监管机构已制定了针对在辐射相关行业(如医疗保健和核能)工作的职业暴露的指南。这些指南帮助保护工人免受过度暴露,并确保遵循安全协议。此外,技术的进步导致开发出更安全的成像技术,在提供准确的诊断信息的同时减少辐射暴露。例如,数字成像技术可以显著降低所需的辐射量,相较于传统方法。医生还被鼓励遵循ALARA原则,即“尽可能低”(As Low As Reasonably Achievable),以最小化医疗程序中的患者暴露。公众教育是管理辐射暴露的另一个关键方面。许多人对日常生活中的辐射来源及其高水平暴露的潜在风险并不知情。通过提高公众意识,个人可以做出明智的健康决策,并理解限制不必要暴露的重要性。总之,辐射暴露是一个重大的公共卫生问题,需要认真考虑和管理。它涵盖了各种来源和暴露水平,每一种都有其潜在风险。随着技术的进步和我们对辐射理解的提高,优先考虑安全措施并教育公众关于最小化辐射暴露的重要性至关重要。通过这样做,我们可以保护自己和未来几代人免受辐射的有害影响,同时仍然利用其在医学和工业中的许多应用。