roentgen equivalent man

简明释义

人体伦琴当量

英英释义

例句

1.In this study, we found that the average dose received by workers was 5 roentgen equivalent man (伦琴当量人) per year.

在这项研究中，我们发现工人每年的平均剂量为5 roentgen equivalent man (伦琴当量人)。

2.To ensure safety, the maximum allowable exposure is set at 50 roentgen equivalent man (伦琴当量人) annually.

为了确保安全，最大允许暴露量被设定为每年50 roentgen equivalent man (伦琴当量人)。

3.After a nuclear incident, the radiation levels were reported to be 10 roentgen equivalent man (伦琴当量人) in some areas.

在核事件后，有些地区的辐射水平报告为10 roentgen equivalent man (伦琴当量人)。

4.The health physicist explained that 1 roentgen equivalent man (伦琴当量人) can increase cancer risk significantly.

健康物理学家解释说，1 roentgen equivalent man (伦琴当量人) 可以显著增加癌症风险。

5.The radiation exposure from the X-ray was measured at 0.1 roentgen equivalent man (伦琴当量人).

X光的辐射暴露量被测量为0.1 roentgen equivalent man (伦琴当量人)。

作文

The concept of radiation exposure is critical in the fields of medicine, environmental science, and nuclear energy. One important unit used to measure this exposure is the roentgen equivalent man, often abbreviated as rem. This unit helps quantify the biological effects of ionizing radiation on human beings, thus allowing scientists and health professionals to assess risks and make informed decisions regarding safety. Understanding the roentgen equivalent man is essential for anyone involved in these fields, as it provides a standardized way to evaluate radiation doses and their potential impact on human health.The term 'roentgen' originates from Wilhelm Conrad Roentgen, the physicist who discovered X-rays in 1895. The roentgen measures the amount of ionization produced in air by X-rays or gamma rays. However, ionizing radiation can affect different tissues in the body in various ways, which is where the concept of roentgen equivalent man comes into play. It accounts for the type of radiation and the sensitivity of different tissues, allowing for a more comprehensive understanding of the potential health risks associated with exposure.For example, the same dose of radiation might have different effects on bone marrow compared to skin or reproductive organs. The roentgen equivalent man takes these differences into account by using weighting factors that reflect the relative biological effectiveness of different types of radiation. This means that a certain amount of alpha radiation, for instance, might be considered more harmful than the same amount of beta radiation, due to its greater potential to cause damage at the cellular level.In practical terms, the roentgen equivalent man is used in various applications, such as determining safe exposure limits for workers in nuclear power plants, setting guidelines for medical imaging procedures, and assessing environmental contamination from radioactive materials. Health organizations, including the International Commission on Radiological Protection (ICRP), provide recommendations based on rem values to ensure that exposure remains within safe limits.Moreover, understanding the roentgen equivalent man is vital in emergency response situations involving radiological incidents. First responders need to quickly assess the potential exposure to ensure the safety of both themselves and the public. By using the rem unit, they can communicate risks effectively and implement appropriate protective measures.In conclusion, the roentgen equivalent man serves as a crucial metric in evaluating and managing radiation exposure. Its development has allowed for more accurate assessments of the risks posed by different types of radiation, ultimately leading to better protection of human health. As technology advances and our understanding of radiation biology deepens, the relevance of the roentgen equivalent man will continue to grow, emphasizing the importance of education and awareness in managing radiation safety. For professionals in medicine, environmental science, and nuclear energy, mastering the implications of the roentgen equivalent man is not just beneficial; it is essential for ensuring the well-being of individuals and communities alike.

辐射暴露的概念在医学、环境科学和核能领域至关重要。用于测量这种暴露的重要单位之一是人类罗entgen当量，通常缩写为rem。这个单位帮助量化电离辐射对人类的生物效应，从而使科学家和卫生专业人员能够评估风险并做出有关安全的明智决策。理解人类罗entgen当量对于任何参与这些领域的人来说都至关重要，因为它提供了一种标准化的方法来评估辐射剂量及其对人类健康的潜在影响。“罗entgen”这个术语源于发现X射线的物理学家威廉·康拉德·罗entgen（Wilhelm Conrad Roentgen）。罗entgen测量的是X射线或伽马射线在空气中产生的电离量。然而，电离辐射可以以不同的方式影响身体的不同组织，这就是人类罗entgen当量概念发挥作用的地方。它考虑了辐射类型和不同组织的敏感性，使我们能够更全面地理解与暴露相关的潜在健康风险。例如，相同剂量的辐射可能对骨髓、皮肤或生殖器官产生不同的影响。人类罗entgen当量通过使用反映不同类型辐射相对生物效能的权重因子来考虑这些差异。这意味着，某种剂量的α辐射可能被认为比相同剂量的β辐射更有害，因为它在细胞水平上造成损伤的潜力更大。在实际应用中，人类罗entgen当量用于确定核电站工人的安全暴露限值、制定医学成像程序的指导方针以及评估放射性材料的环境污染。包括国际放射防护委员会（ICRP）在内的卫生组织根据rem值提供建议，以确保暴露保持在安全范围内。此外，理解人类罗entgen当量在涉及放射事件的应急响应情况下至关重要。第一响应者需要快速评估潜在的暴露，以确保他们自己和公众的安全。通过使用rem单位，他们可以有效地传达风险并实施适当的保护措施。总之，人类罗entgen当量作为评估和管理辐射暴露的关键指标。它的发展使我们能够更准确地评估不同类型辐射所带来的风险，最终提高了对人类健康的保护。随着技术的进步和我们对辐射生物学的理解加深，人类罗entgen当量的相关性将继续增长，强调了在管理辐射安全方面教育和意识的重要性。对于医学、环境科学和核能领域的专业人员来说，掌握人类罗entgen当量的含义不仅是有益的；它对确保个人和社区的福祉至关重要。